초록 ▼

A data communications system, particularly suited for shared or wireless communications channels, capable of accommodating terminals having different throughput capabilites by flexibly allocating cyclically rotated phases of a common code is disclosed. One or more shifts of a cyclic orthogonal code

A data communications system, particularly suited for shared or wireless communications channels, capable of accommodating terminals having different throughput capabilites by flexibly allocating cyclically rotated phases of a common code is disclosed. One or more shifts of a cyclic orthogonal code are assigned to a terminal. These codes are preferably cyclically padded to increase their tolerance to arbitrary time shifts, and the resulting codes are used to spread the signals for transmission.

대표청구항 ▼

A data communications system, particularly suited for shared or wireless communications channels, capable of accommodating terminals having different throughput capabilites by flexibly allocating cyclically rotated phases of a common code is disclosed. One or more shifts of a cyclic orthogonal code

A data communications system, particularly suited for shared or wireless communications channels, capable of accommodating terminals having different throughput capabilites by flexibly allocating cyclically rotated phases of a common code is disclosed. One or more shifts of a cyclic orthogonal code are assigned to a terminal. These codes are preferably cyclically padded to increase their tolerance to arbitrary time shifts, and the resulting codes are used to spread the signals for transmission. 11, wherein the interface matrix directly interfaces the input signal to the data path signal with no more than one modulation conversion. 13. The system as recited in claim 12, wherein the mobile telephonic communication system is a cellular communication system. 14. The system as recited in claim 12, wherein the modulation types are code division multiple access. 15. The system as recited in claim 12, wherein the modulation types are time division multiple access. 16. The system as recited in claim 11, wherein the interface matrix directly interfaces a radio frequency input signal to a radio frequency data path signal. 17. The system as recited in claim 16, wherein the mobile telephonic communication system is a cellular communication system. 18. The system as recited in claim 16, wherein the modulation types are code division multiple access. 19. The system as recited in claim 16, wherein the modulation types are time division multiple access. 20. The system as recited in claim 1, wherein the transmit interface circuit further includes: a plurality of transmit input modulation types, one of which represents the modulation type corresponding to the input signal; a plurality of transmit output modulation types, one of which represents the modulation type corresponding a data path signal; a transmit interface matrix which directly interfaces the modulation type corresponding to the data path signal to the modulation type corresponding to the input signal; a plurality of receiving input modulation types, one of which represents the modulation type corresponding to the output signal; a plurality of receiving output modulation types, one of which represents the modulation type corresponding a data path signal; and a receiving interface matrix which directly interfaces the modulation type corresponding to the data path signal to the modulation type corresponding to the output signal. 21. The system as recited in claim 20, wherein the transmit interface matrix directly interfaces the input signal to the data path signal with no more than one modulation conversion and the receive interface matrix directly interfaces the data path signal to the output signal with no modulation conversion. 22. The system as recited in claim 21, wherein the mobile telephonic communication system is a cellular communication system. 23. The system as recited in claim 21, wherein the modulation types are code division multiple access. 24. The system as recited in claim 21, wherein the modulation types are time division multiple access. 25. The system as recited in claim 20, wherein the transmit interface matrix directly interfaces a radio frequency input signal to a radio frequency data path signal with no more than one modulation conversion and the receive interface matrix directly interfaces a radio frequency data path signal to a radio frequency output signal with no modulation conversion. 26. The system as recited in claim 25, wherein the mobile telephonic communication system is a cellular communication system. 27. The system as recited in claim 25, wherein the modulation types are code division multiple access. 28. The system as recited in claim 25, wherein the modulation types are time division multiple access. 29. The system as recited in claim 11, wherein the direct interface system further includes: a switch; and an interface circuit directly interfacing the input signal to the output signal within the switch. 30. The system as recited in claim 29, wherein the interface circuit further includes: a plurality of input modulation types, one of which represents the modulation type corresponding to the input signal; a plurality of output modulation types, one of which represents the modulation type corresponding the output signal; and an interface matrix which directly interfaces the modulation type corresponding to the output signal to the modulation type corresponding to the input signal. 31. The system as recited in claim 3 0, wherein the mobile telephonic communication system is a cellular communication system. 32. The system as recited in claim 30, wherein the modulation types are code division multiple access. 33. The system as recited in claim 30, wherein the modulation types are time division multiple access. 34. The system as recited in claim 30, wherein the interface matrix directly interfaces the input signal to the output signal with no more than one modulation conversion. 35. The system as recited in claim 34, wherein the mobile telephonic communication system is a cellular communication system. 36. The system as recited in claim 34, wherein the modulation types are code division multiple access. 37. The system as recited in claim 34, wherein the modulation types are time division multiple access. 38. The system as recited in claim 30, wherein the interface matrix directly interfaces a radio frequency input signal to a radio frequency output signal. 39. The system as recited in claim 38, wherein the mobile telephonic communication system is a cellular communication system. 40. The system as recited in claim 38, wherein the modulation types are code division multiple access. 41. The system as recited in claim 38, wherein the modulation types are time division multiple access. 42. A system for routing data from a transmit unit to a receive unit, comprising: a plurality of input modulation types, one of which represents the modulation type of the input signal from the transmit unit; the modulation types include time division multiple access and code division multiple access; a plurality of output modulation types, one of which represents the modulation type of the data to the receive unit; and an interface matrix which selects one output modulation type corresponding to the modulation type of the input signal from the transmit unit; wherein the interface matrix directly interfaces the one output modulation type to the modulation type of the input signal with no more than one modulation conversion; wherein the input modulation type is global standard for mobile communications and the output modulation type is time division multiple access or code division multiple access. 343, 19940800, Chapin; US-5347414, 19940900, Kano; US-5365389, 19941100, Jabbari et al.; US-5369538, 19941100, Moe et al.; US-5396386, 19950300, Bolasna et al.; US-5396387, 19950300, Murray; US-5402290, 19950300, Daniel; US-5404256, 19950400, White; US-5410402, 19950400, Li et al.; US-5422776, 19950600, Thorson et al.; US-5426562, 19950600, Morehouse et al.; US-5442638, 19950800, Awad et al.; US-5455728, 19951000, Edwards et al.; US-5460017, 19951000, Taylor; US-5463527, 19951000, Hager et al.; US-5469311, 19951100, Nishida et al.; US-5537272, 19960700, Kazmierczak et al.; US-5546250, 19960800, Diel; US-5555144, 19960900, Wood et al.; US-5570249, 19961000, Aoyagi et al.; US-5610776, 19970300, Oh; US-5636090, 19970600, Boigenzahn et al.; US-5663853, 19970900, Park; US-5673158, 19970900, Ichimura; US-5677813, 19971000, Yoshida et al.; US-5703734, 19971200, Berberich et al.; US-5754353, 19980500, Behrens et al.; US-5768249, 19980600, Ro et al.; US-5781373, 19980700, Larson et al.; US-5801899, 19980900, Genheimer; US-5815349, 19980900, Frater; US-5822139, 19981000, Ayabe; US-5831795, 19981100, Ma et al.; US-5844754, 19981200, Stefansky et al.; US-5844911, 19981200, Schadegg et al.; US-5875067, 19990200, Morris et al.; US-5885005, 19990300, Nakano et al.; US-5886851, 19990300, Yamazaki et al.; US-5901017, 19990500, Sano et al.; US-5926347, 19990700, Kouhei et al.; US-5930079, 19990700, Vera et al.; US-5930080, 19990700, Frater et al.; US-5936927, 19990800, Soga et al.; US-5969901, 19991000, Eckberg et al.; US-5987733, 19991100, Goss; US-6011670, 20000100, Balsley, Jr. et al.; US-6034941, 20000300, Ro; US-6046883, 20000400, Miller; US-6084744, 20000700, Genheimer et al.; US-6088192, 20000700, Riener et al.; US-6088194, 20000700, Imaino et al.; US-6088202, 20000700, Kabasawa et al.; US-6104571, 20000800, Kabasawa, 360/236.4; US-6154360, 20001100, Kaczeus, Sr. et al.; US-6157522, 20001200, Murphy et al.; US-6166901, 20001200, Gamble et al.; US-6185075, 20010200, Tsujino et al.; US-6185807, 20010200, Kazmierczak et al.; US-6198606, 20010300, Boutaghou et al.; US-6201668, 20010300, Murphy; US-6205005, 20010300, Heath; US-6226143, 20010500, Stefanksy; US-6226152, 20010500, Tanaka et al.;