최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0044110 (2011-03-09) |
등록번호 | US-RE43812 (2012-11-20) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 3 인용 특허 : 220 |
A system and method for transmitting a plurality of spread-spectrum signals over a communications channel having fading. The plurality of spread-spectrum signals are radiated by a plurality of antennas, with each antenna preferably spaced by one-quarter wavelength. A plurality of receiver antennas r
A system and method for transmitting a plurality of spread-spectrum signals over a communications channel having fading. The plurality of spread-spectrum signals are radiated by a plurality of antennas, with each antenna preferably spaced by one-quarter wavelength. A plurality of receiver antennas receive the plurality of spread-spectrum signals and a plurality of fading spread-spectrum signals. Each receiver antenna is coupled to a plurality of matched filters having a respective plurality of impulse responses matched to the chip-sequence signals of the plurality of spread-spectrum signals. A RAKE and space-diversity combiner combines, for each respective chip-sequence signal, a respective plurality of detected spread-spectrum signals and a respective multiplicity of detected-multipath-spread-spectrum signals, to generate a plurality of combined signals. The symbol amplitudes can be measured and erasure decoding employed to improve performance.
1. A multiple-input-multiple-output (MIMO) method for receiving data having symbols, with the data having symbols demultiplexed into a plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with e
1. A multiple-input-multiple-output (MIMO) method for receiving data having symbols, with the data having symbols demultiplexed into a plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively, with the plurality of spread-spectrum-subchannel signals radiated, using radio waves, from a plurality of antennas as a plurality of spread-spectrum signals, respectively, with the plurality of spread-spectrum signals passing through a communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath, comprising the steps of: receiving the first spread-spectrum signal and the second spread-spectrum signal with a plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal as a first plurality of detected spread-spectrum signals, respectively;detecting, at each receiver antenna of the plurality of receiver antennas, the second spread-spectrum signal as a second plurality of detected spread-spectrum signals, respectively;combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 2. The MIMO method as set forth in claim 1, further comprising the step of multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed, signal. 3. The MIMO method, as set forth in claim 1, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising the steps of: receiving the third spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 4. The MIMO method as set forth in claim 3, further comprising the step of multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 5. The MIMO method, as set forth in claim 3, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising the steps of: receiving the fourth spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 6. The MIMO method as set forth in claim 5, further comprising the step of multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 7. The MIMO method, as set forth in claim 5, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, the third path of the multipath, the fourth path, or a fifth path, further comprising the steps of: receiving the fifth spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 8. The MIMO method as set forth in claim 7, further comprising the step of multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 9. A multiple-input-multiple-output (MIMO) system for receiving data having symbols, with the data having symbols demultiplexed into a plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively, with the plurality of spread-spectrum-subchannel signals radiated, using radio waves, from a plurality of antennas as a plurality of spread-spectrum signals, respectively, with the plurality of spread-spectrum signals passing through a communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath, comprising: a plurality of receiver antennas for receiving the first spread-spectrum signal and the second spread-spectrum signal;a plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal and the second spread-spectrum signal, as a first plurality of detected spread-spectrum signals and a second plurality of detected spread-spectrum signals, respectively; anda plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal, and for combining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 10. The MIMO system as set forth in claim 9, further comprising a multiplexer for multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed signal. 11. The MIMO system as set forth in claim 9, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising: said plurality of receiver antennas for receiving the third spread-spectrum signal;said plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 12. The MIMO system as set forth in claim 11, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 13. The MIMO system, as set forth in claim 11, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising: said plurality of receiver antennas for receiving the fourth spread-spectrum signal;said plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 14. The MIMO system as set forth in claim 13, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 15. The MIMO system, as set forth in claim 13, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, or the third path of the multipath, the fourth path, or a fifth path, further comprising: said plurality of receiver antennas for receiving the fifth spread-spectrum signal;said plurality of spread-spectrum detectors for detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 16. The MIMO system set forth in claim 15, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 17. A MIMO system for receiving data having symbols, with the data having symbols demultiplexed into a plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively, with the plurality of spread-spectrum-subchannel signals radiated, using radio waves, from a plurality of antennas as a plurality of spread-spectrum signals, respectively, with the plurality of spread-spectrum signals passing through a communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath, comprising: receiver-antenna means for receiving the first spread-spectrum signal and the second spread-spectrum signal;despreading means, coupled to said receiver-antenna means, for detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal and the second spread-spectrum signal, as a first plurality of detected spread-spectrum signals and a second plurality of detected spread-spectrum signals, respectively; andcombiner means, coupled to said despreading means, for combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal, and for combining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 18. The MIMO system as set forth in claim 17, further comprising multiplexer means for multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed signal. 19. The MIMO system as set forth in claim 17, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising: said receiver-antenna means for receiving the third spread-spectrum signal;said despreading means for detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 20. The MIMO method as set forth in claim 19, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 21. The MIMO system, as set forth in claim 19, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising: said receiver-antenna means for receiving the fourth spread-spectrum signal;said despreading means for detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 22. The MIMO system as set forth in claim 21, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 23. The MIMO system, as set forth in claim 21, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, or the third path of the multipath, the fourth path, or a fifth path, further comprising: said receiver-antenna means for receiving the fifth spread-spectrum signal;said despreading, means for detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 24. The MIMO system as set forth in claim 23, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 25. A multiple input multiple output (MIMO) method improvement, for transmitting data having symbols, over a communications channel, comprising the steps of: demultiplexing the data into a plurality of subchannels of data;spread-spectrum processing the plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively;radiating from a plurality of antennas, using radio waves, the plurality of spread-spectrum-subchannel signals, over the communications channel, as a plurality of spread-spectrum signals, respectively;imparting, from the communications channel, multipath on the plurality of spread-spectrum signals, thereby generating at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath;receiving the first spread-spectrum signal and the second spread-spectrum signal with a plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal and the second spread-spectrum signal, as a first plurality of detected spread-spectrum signals and a second plurality of detected spread-spectrum signals, respectively;combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 26. The MIMO method as set forth in claim 25, further comprising the step of multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed signal. 27. The MIMO method, as set forth in claim 25, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, with a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising the steps of: receiving the third spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 28. The MIMO method as set forth in claim 27, further comprising the step of multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 29. The MIMO method, as set forth in claim 27, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, with a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising the steps of: receiving the fourth spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 30. The MIMO method as set forth in claim 29, further comprising the step of multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 31. The MIMO method, as set forth in claim 29, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, the third path of the multipath, the fourth path, or a fifth path, further comprising the steps of: receiving the fifth spread-spectrum signal with the plurality of receiver antennas;detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality of detected spread-spectrum signals; andcombining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 32. The MIMO method as set forth in claim 31, further comprising the step of multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 33. A multiple input multiple output (MIMO) system, for transmitting data having symbols, over a communications channel, comprising: a demultiplexer for demultiplexing the data into a plurality of subchannels of data;a plurality of spread-spectrum devices for spread-spectrum processing the plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively;a plurality of transmitter antennas for radiating, using radio waves, the plurality of spread-spectrum-subchannel signals, over the communications channel, as a plurality of spread-spectrum signals, respectively;said communications channel for imparting multipath on the plurality of spread-spectrum signals, thereby generating at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath;a plurality of receiver antennas for receiving the first spread-spectrum signal and the second spread-spectrum signal;a plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal and the second spread-spectrum signal, as a first plurality of detected spread-spectrum signals and a second plurality of detected spread-spectrum signals, respectively; anda plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal, and for combining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 34. The MIMO system as set forth in claim 33, further comprising a multiplexer for multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed signal. 35. The MIMO system as set forth in claim 33, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising: said plurality of receiver antennas for receiving the third spread-spectrum signal;said plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 36. The MIMO system as set forth in claim 35, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 37. The MIMO system, as set forth in claim 35, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising: said plurality of receiver antennas for receiving the fourth spread-spectrum signal;said plurality of despreading devices for detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 38. The MIMO system as set forth in claim 37, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 39. The MIMO system, as set forth in claim 37, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, or the third path of the multipath, the fourth path, or a fifth path, further comprising: said plurality of receiver antennas for receiving the fifth spread-spectrum signal;said plurality of spread-spectrum detectors for detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality of detected spread-spectrum signals; andsaid plurality of combiners for combining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 40. The MIMO system set forth in claim 39, further comprising a multiplexer for multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 41. A multiple input multiple output (MIMO) system, for transmitting data having symbols, over a communications channel, comprising: demultiplexer means for demultiplexing the data into a plurality of subchannels of data;spread-spectrum processing means for spread-spectrum processing the plurality of subchannels of data, with the plurality of subchannels of data spread-spectrum processed with a plurality of chip-sequence signals, respectively, with each chip-sequence signal different from other chip-sequence signals in the plurality of chip-sequence signals, thereby generating a plurality of spread-spectrum-subchannel signals, respectively;a plurality of transmitter-antenna means for radiating, using radio waves, the plurality of spread-spectrum-subchannel signals, over the communications channel, as a plurality of spread-spectrum signals, respectively;said communications channel for imparting multipath on the plurality of spread-spectrum signals, thereby generating at least a first spread-spectrum signal having a first channel of data arriving from a first path of the multipath, and a second spread-spectrum signal having a second channel of data arriving from a second path of the multipath;receiver-antenna means for receiving the first spread-spectrum signal and the second spread-spectrum signal;despreading means, coupled to said receiver-antenna means, for detecting, at each receiver antenna of the plurality of receiver antennas, the first spread-spectrum signal and the second spread-spectrum signal, as a first plurality of detected spread-spectrum signals and a second plurality of detected spread-spectrum signals, respectively; andcombiner means, coupled to said despreading means, for combining, from each receiver antenna of the plurality of receiver antennas, each of the first plurality of detected spread-spectrum signals, thereby generating a first combined signal, and for combining, from each receiver antenna of the plurality of receiver antennas, each of the second plurality of detected spread-spectrum signals, thereby generating a second combined signal. 42. The MIMO system as set forth in claim 41, further comprising multiplexer means for multiplexing the first combined signal with the second combined signal, thereby generating a multiplexed signal. 43. The MIMO system as set forth in claim 41, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a third spread-spectrum signal having a third channel of data arriving from any of the first path, the second path, or a third path of the multipath, further comprising: said receiver-antenna means for receiving the third spread-spectrum signal;said despreading means for detecting, at each receiver antenna of the plurality of receiver antennas, the third spread-spectrum signal, as a third plurality of detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the third plurality of detected spread-spectrum signals, thereby generating a third combined signal. 44. The MIMO system as set forth in claim 43, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, and the third combined signal, thereby generating a multiplexed signal. 45. The MIMO system, as set forth in claim 43, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fourth spread-spectrum signal having a fourth channel of data arriving from any of the first path, the second path, the third path, or a fourth path of the multipath, further comprising: said receiver-antenna means for receiving the fourth spread-spectrum signal;said despreading means for detecting, at each receiver antenna of the plurality of receiver antennas, the fourth spread-spectrum signal, as a fourth plurality of detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the fourth plurality of detected spread-spectrum signals, thereby generating a fourth combined signal. 46. The MIMO system as set forth in claim 45, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, the third combined signal, and the fourth combined signal, thereby generating a multiplexed signal. 47. The MIMO system, as set forth in claim 45, for receiving data having symbols, from the communications channel having multipath, thereby generating, from the plurality of spread-spectrum signals, a fifth spread-spectrum signal having a fifth channel of data arriving from any of the first path, the second path, or the third path of the multipath, the fourth path, or a fifth path, further comprising: said receiver-antenna means for receiving the fifth spread-spectrum signal;said despreading means for detecting, at each receiver antenna of the plurality of receiver antennas, the fifth spread-spectrum signal, as a fifth plurality detected spread-spectrum signals; andsaid combiner means for combining, from each receiver antenna of the plurality of receiver antennas, each of the fifth plurality of detected spread-spectrum signals, thereby generating a fifth combined signal. 48. The MIMO system as set forth in claim 47, further comprising multiplexer means for multiplexing the first combined signal, the second combined signal, the third combined signal, the fourth combined signal, and the fifth combined signal, thereby generating a multiplexed signal. 49. The MIMO method as set forth in claim 1 with the step of detecting the first spread-spectrum signal and the second spread-spectrum signal, including the step of detecting, responsive to a first chip-sequence signal and to a second chip-sequence signal, the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 50. The MIMO method as set forth in claim 3 with the step of detecting the third spread-spectrum signal, including the step of detecting, responsive to a third chip-sequence signal, the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 51. The MIMO method as set forth in claim 5 with the step of detecting the fourth spread-spectrum signal, including the step of detecting, responsive to a fourth chip-sequence signal, the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 52. The MIMO method as set forth in claim 7 with the step of detecting the fifth spread-spectrum signal, including the step of detecting, responsive to a fifth chip-sequence signal, the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 53. The MIMO system as set forth in claim 9 with said plurality of despreading devices, responsive to a first chip-sequence signal and to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 54. The MIMO method as set forth in claim 11 with said plurality of despreading devices, responsive to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 55. The MIMO system as set forth in claim 13 with said plurality of despreading devices, responsive to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 56. The MIMO system as set forth in claim 15 with said plurality of despreading devices, responsive to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 57. The MIMO system as set forth in claim 17 with said despreading means, responsive to a first chip-sequence signal and to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 58. The MIMO system as set forth in claim 19 with said despreading means, responsive to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 59. The MIMO system as set forth in claim 21 with said despreading means, responsive to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 60. The MIMO system as set forth in claim 23 with said despreading means, responsive to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 61. The MIMO method as set forth in claim 25 with the step of detecting the first spread-spectrum signal and the second spread-spectrum signal, including the step of detecting, responsive to a first chip-sequence signal and to a second chip-sequence signal, the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 62. The MIMO method as set forth in claim 27 with the step of detecting the third spread-spectrum signal, including the step of detecting, responsive to a third chip-sequence signal, the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 63. The MIMO method as set forth in claim 29 with the step of detecting the fourth spread-spectrum signal, including the step of detecting, responsive to a fourth chip-sequence signal, the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 64. The MIMO method as set forth in claim 31 with the step of detecting the fifth spread-spectrum signal, including the step of detecting, responsive to a fifth chip-sequence signal, the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 65. The MIMO system as set forth in claim 33 with said plurality of despreading devices, responsive to a first chip-sequence signal and to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 66. The MIMO system as set forth in claim 35 with said plurality of despreading devices, responsive to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 67. The MIMO system as set forth in claim 37 with said plurality of despreading devices, responsive to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 68. The MIMO system as set forth in claim 39 with said plurality of despreading devices, responsive to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 69. The MIMO system as set forth in claim 41 with said despreading means, responsive to a first chip-sequence signal and to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 70. The MIMO system as set forth in claim 42 with said despreading means, responsive to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 71. The MIMO system as set forth in claim 43 with said despreading means, responsive to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 72. The MIMO system as set forth in claim 44 with said despreading means, responsive to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 73. The MIMO method as set forth in claim 1 with the step of detecting the first spread-spectrum signal and the second spread-spectrum signal, including the step of detecting, using a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 74. The MIMO method as set forth in claim 3 with the step of detecting the third spread-spectrum signal, including the step of detecting, using a third filter matched to a third chip-sequence signal, the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 75. The MIMO method as set forth in claim 5 with the step of detecting the fourth spread-spectrum signal, including the step of detecting, using a fourth filter matched to a fourth chip-sequence signal, the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 76. The MIMO method as set forth in claim 7 with the step of detecting the fifth spread-spectrum signal, including the step of detecting, using a fifth filter matched to a fifth chip-sequence signal, the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 77. The MIMO system as set forth in claim 9 with said plurality of despreading devices including a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 78. The MIMO system as set forth in claim 13 with said plurality of despreading devices including a third filter matched to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 79. The MIMO system as set forth in claim 13 with said plurality of despreading devices including a fourth filter matched to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 80. The MIMO system as set forth in claim 15 with said plurality of despreading devices including a fifth filter matched to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 81. The MIMO system as set forth in claim 17 with said despreading means including a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 82. The MIMO system as set forth in claim 19 with said despreading means including a third filter matched to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 83. The MIMO system as set forth in claim 21 with said despreading means including a fourth filter matched to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 84. The MIMO system as set forth in claim 23 with said despreading means including a fifth filter matched to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 85. The MIMO method as set forth in claim 25 with the step of detecting the first spread-spectrum signal and the second spread-spectrum signal, including the step of detecting, using a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 86. The MIMO method as set forth in claim 27 with the step of detecting the third spread-spectrum signal, including the step of detecting, using a third filter matched to a third chip-sequence signal, the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 87. The MIMO method as set forth in claim 29 with the step of detecting the fourth spread-spectrum signal, including the step of detecting, using a fourth filter matched to a fourth chip-sequence signal, the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 88. The MIMO method as set forth in claim 31 with the step of detecting the fifth spread-spectrum signal, including the step of detecting, using a fifth filter matched to a fifth chip-sequence signal, the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 89. The MIMO system as set forth in claim 33 with said plurality of despreading devices including a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 90. The MIMO system as set forth in claim 35 with said plurality of despreading devices, including a third filter matched to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 91. The MIMO system as set forth in claim 37 with said plurality of despreading devices including a fourth filter matched to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 92. The MIMO system as set forth in claim 39 with said plurality of despreading devices including a fifth filter matched to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 93. The MIMO system as set forth in claim 41 with said despreading means including a first filter matched to a first chip-sequence signal and a second filter matched to a second chip-sequence signal, for detecting the first spread-spectrum signal and the second spread-spectrum signal as the first plurality of detected spread-spectrum signals and the second plurality of detected spread-spectrum signals, respectively. 94. The MIMO system as set forth in claim 42 with said despreading means including a third filter matched to a third chip-sequence signal, for detecting the third spread-spectrum signal as the third plurality of detected spread-spectrum signals, respectively. 95. The MIMO system as set forth in claim 43 with said despreading means including a fourth filter matched to a fourth chip-sequence signal, for detecting the fourth spread-spectrum signal as the fourth plurality of detected spread-spectrum signals, respectively. 96. The MIMO system as set forth in claim 44 with said despreading means including a fifth filter matched to a fifth chip-sequence signal, for detecting the fifth spread-spectrum signal as the fifth plurality of detected spread-spectrum signals, respectively. 97. A receiver system for recovering data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said data symbols being generated by demultiplexing said single data source, said signals being differentiated by different codes conveyed along with said signals, comprising: plural receiving antennas for receiving said signals;receiver circuitry connected to each receiving antenna for demodulating said received signals;circuitry for separating said different signals in response to detection of said different codes conveyed in said signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; anda multiplexer for multiplexing data derived from said plural streams of data symbols to form a single stream of data corresponding to the data from said single data source. 98. The receiver system of claim 97 further comprising space diversity combiner circuitry for combining signals received on said different receiving antennas, whereby said data inputs to said multiplexer are derived from data symbols generated by combining symbols from each of said receiving antennas. 99. A method for recovering data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said data symbols being generated by demultiplexing said single data source, said signals being differentiated by different codes conveyed along with said signals, comprising the steps of: receiving said signals at plural receiving antennas;demodulating the signals received at each receiving antenna;separating said different signals in response to detection of said different codes conveyed in said signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; andmultiplexing data derived from said plural streams of data symbols to form a single stream of data corresponding to the data from said single data source. 100. The method of claim 99 wherein said receiving step includes space diversity combining signals received on the different receiving antennas whereby the data inputs to be multiplexed are derived from data symbols generated by combining symbols from each of the receiving antennas. 101. A receiver system for recovering data in spread spectrum signals, the data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said data symbols being generated by demultiplexing said single data source, said signals being differentiated by different codes conveyed along with said signals, comprising: plural receiving antennas for receiving said spread spectrum signals;receiver circuitry connected to each receiving antenna for demodulating said received spread spectrum signals;circuitry for despreading and separating said different spread spectrum signals in response to detection of said different codes conveyed in said signals and for forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; anda multiplexer for multiplexing data derived from said plural streams of data symbols to form a single stream of data corresponding to the data from said single data source. 102. The receiver system of claim 101 further comprising space diversity combining circuitry for combining signals received on said different receiving antennas, whereby said data inputs to said multiplexer are derived from data symbols generated by combining symbols from each of said receiving antennas. 103. A method for recovering data in spread spectrum signals, the data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said data symbols being generated by demultiplexing said single data source, said signals being differentiated by different codes conveyed along with said signals, comprising the steps of: receiving said spread spectrum signals at plural receiving antennas;demodulating the spread spectrum signals received at each receiving antenna;despreading and separating said different spread spectrum signals in response to detection of said different codes conveyed in said signals;recovering the data symbols conveyed in said spread spectrum signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; andmultiplexing data derived from said plural streams of data symbols to form a single stream of data corresponding to the data from said single data source. 104. The method of claim 103 further comprising space diversity combining signals received on said different receiving antennas, whereby said data inputs to said multiplexer are derived from data symbols generated by combining symbols from each of said receiving antennas. 105. A receiver system for recovering data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said signals being differentiated by different codes conveyed along with said signals and said data having been error coded and interleaved, either before or after being demultiplexed, prior to transmission, comprising: plural receiving antennas for receiving said signals;receiver circuitry connected to each receiving antenna for demodulating said received signals;circuitry for separating said different signals in response to detection of said different codes conveyed in said signals and for forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; andmultiplexer for multiplexing data derived from said plural streams of combined data symbols to form a single stream of data, the data output from said multiplexer having the same state of error coding and interleaving as the demultiplexed data had at said single data source. 106. A method for recovering data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said signals being differentiated by different codes conveyed along with said signals and said data having been error coded and interleaved, either before or after being demultiplexed, prior to transmission, comprising the steps of: receiving said signals at plural receiving antennas;demodulating the signals received at each receiving antenna;separating said different signals in response to detection of said different codes conveyed in said signals and recovering the data symbols conveyed in said signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves, andmultiplexing data derived from said plural streams of data symbols to form a single stream of data, the data output from said multiplexing step having the same state of error coding and interleaving as the demultiplexed data had at said single data source. 107. A receiver system for recovering data in spread spectrum signals, the data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said signals being differentiated by different codes conveyed along with said signals and said data having been error coded and interleaved, either before or after being demultiplexed, prior to transmission, comprising: plural receiving antennas for receiving said spread spectrum signals;receiver circuitry connected to each receiving antenna for demodulating said received spread spectrum signals;circuitry for despreading and separating said received spread spectrum signals in response to detection of said different codes conveyed in said signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; anda multiplexer for multiplexing data derived from said plural streams of data symbols to form a single stream of data, the data output from said multiplexer having the same state of error coding and interleaving as the demultiplexed data had at said single data source. 108. A method for recovering data in spread spectrum signals, the data conveyed in data symbols by a plurality of different signals transmitted on separate carrier waves from a single data source over a wireless channel, said signals being differentiated by different codes conveyed along with said signals and said data having been error coded and interleaved, either before or after being demultiplexed, prior to transmission comprising the steps of: receiving said spread spectrum signals at plural receiving antennas; demodulating the spread spectrum signals received at each receiving antenna; despreading and separating said received spread spectrum signals in response to detection of said different codes conveyed in said signals;recovering the data symbols conveyed in said spread spectrum signals, thereby forming plural streams of data symbols, each stream representing a stream of data symbols conveyed on one of said carrier waves; andmultiplexing data derived from said plural streams of data symbols to form a single stream of data, the data output from said multiplexing step having the same state of error coding and interleaving as the demultiplexed data had at said single data source. 109. The receiver system of claim 98 wherein said combiner circuitry further includes time-diversity combining circuitry for combining multipath components of signals conveyed on each one of said carrier waves. 110. The receiver system of claim 102 wherein said combiner circuitry further includes time-diversity combining circuitry for combining multipath components of signals conveyed on each one of said carrier waves. 111. The method of claim 100 wherein said step of combining signals further includes time-diversity combining of multipath components of signals conveyed on each one of said carrier waves. 112. The method of claim 104 wherein said step of combining signals further includes time-diversity combining of multipath components of signals conveyed on each one of said carrier waves. 113. The receiver system of claim 97 wherein said different codes conveyed along with said signals identify said signals and said circuitry detects said different codes. 114. The receiver system of claim 97 wherein said different codes conveyed along with said signals are spreading codes. 115. The method as recited in claim 99 wherein said different codes conveyed along with said signals identify said signals and said separating step includes using the different codes in identifying associated transmitted signals. 116. The method as recited in claim 99 wherein said different codes conveyed along with said signals are spreading codes. 117. The receiver system of claim 101 wherein said different codes conveyed along with said signals identify said signals and said circuitry detects said different codes. 118. The receiver system of claim 101 wherein said different codes conveyed along with said signals are spreading codes. 119. The method as recited in claim 103 wherein said different codes conveyed along with said signals identify said signals and said separating step includes using the different codes in identifying associated transmitted signals. 120. The method as recited in claim 103 wherein said different codes conveyed along with said signals are spreading codes. 121. The receiver system of claim 105 wherein said different codes conveyed along with said signals identify said signals and said circuitry detects said different codes. 122. The receiver system of claim 105 wherein said different codes conveyed along with said signals are spreading codes. 123. The method as recited in claim 106 wherein said different codes conveyed along with said signals identify said signals and said separating step includes using the different codes in identifying associated transmitted signals. 124. The method as recited in claim 106 wherein said different codes conveyed along with said signals are spreading codes. 125. The receiver system of claim 107 wherein said different codes conveyed along with said signals identify said signals and said circuitry detects said different codes. 126. The receiver system of claim 107 wherein said different codes conveyed along with said signals are spreading codes. 127. The method as recited in claim 108 wherein said different codes conveyed along with said signals identify said signals and said separating step includes using the different codes in identifying associated transmitted signals. 128. The method as recited in claim 108 wherein said different codes conveyed along with said signals are spreading codes. 129. A receiver system for recovering a stream of data conveyed in data symbols by a plurality of demultiplexed different data signals from a transmitter, each of the data signals being a spread spectrum signal stream different from each of the other spread spectrum signal streams and each of the spread spectrum signal streams being transmitted using a different transmit antenna such that all of the spread spectrum signal streams use the same bandwidth in a frequency band, said receiver system comprising: a plurality of receiver subsystems, each including a receiver antenna and matched filter means, each of said matched filter means being matched during operation to a different one of the received plurality of transmitted spread spectrum signals;combiner means to combine signals from each matched filter means of the plurality of receiver subsystems during operation to a different one of the received plurality of transmitted spread spectrum signals thereby producing a plurality of combined signals equal in number to the number of transmit antennas, said combined signals representing the demultiplexed streams of data spread spectrum modulated and demultiplexed at the transmitter; andmultiplexer means forming a single multiplexed stream of data from said plurality of combined signals to be representative of the stream of data from the transmitter.
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