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Method and apparatus for providing antenna diversity 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/02
  • H04B-007/06
출원번호 US-0860830 (1992-03-31)
발명자 / 주소
  • Seshadri Nambirajan (Chatham NJ)
출원인 / 주소
  • AT&T Corp. (Murray Hill NJ 02)
인용정보 피인용 횟수 : 144  인용 특허 : 0

초록 ▼

A method and apparatus providing antenna diversity is disclosed. A set of bits of a digital signal are used to generate a codeword of N symbols. Codewords are provided according to a channel code having a minimum Hamming distance, dmin, where 2≤dm≤N. N signals representing N symbols of a codeword ar

대표청구항 ▼

A method of transmitting a digital signal with use of a plurality of N antennas, where N is an integer, the method comprising the steps of: according to a channel code, generating a codeword of N symbols to reflect a set of bits of the digital signal, the channel code having a plurality of codewords

이 특허를 인용한 특허 (144)

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  6. Feher,Kamilo, Antenna systems, receivers and demodulators for cross-correlated and other signals.
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  7. Hwang, Seung Joong; Kim, Doo Hyeon, Apparatus and method for compensating for distortion caused by a phase slew of a frame reference signal in an asynchronous wideband code division multiple access communication system.
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  8. Kotzin Michael D. ; Rohani Kamyar ; Rozanski ; Jr. Walter J., Apparatus and method for transmitting signals in a communication system.
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  9. Ionescu, Dumitru Mihai, Apparatus, and associated method, for forming a signal exhibiting space-time redundancy.
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  10. Hamalainen,Jyri; Wichman,Risto, Apparatus, and associated method, for space-time encoding, and decoding, data at a selected code rate.
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  11. Feria,Ying J.; Chang,Donald C. D.; Chang,Ming U.; Von Der Embse,Urban A., Application of complex codes to maximize feeder link utilization.
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  12. Feher, Kamilo, Automobile cellular, WLAN and satellite communications.
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  14. Chouly,Antoine; Pothier,Olivier, Backward compatible DVB-S standard transmission system.
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  23. Feher,Kamilo, Clock modulation systems.
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  24. Bolgiano, D. Ridgely; LaVean, Gilbert E., Code transmission over timeslots and antennas.
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  25. Seshadri, Nambirajan; Tarokh, Vahid; Bauch, Gerhard, Concatenation of turbo-TCM with space-block coding.
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  26. McCallister Ronald D. ; Cochran Bruce A. ; Badke Bradley P., Constrained-envelope digital-communications transmission system and method therefor.
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  27. McCallister, Ronald D.; Cochran, Bruce A.; Badke, Bradley P., Constrained-envelope digital-communications transmission system and method therefor.
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  28. Ronald D. McCallister ; Bruce A. Cochran ; Bradley P. Badke, Constrained-envelope transmitter and method therefor.
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  29. Feher, Kamilo, Cross-correlated TDMA, spread spectrum, CDMA and OFDM systems.
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  30. Feher, Kamilo, DNA and fingerprint authentication of mobile devices.
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  31. Feher, Kamilo, DNA, blood, heart, glucose, body temperature, skin and other medical diagnostic communications.
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  32. Calderbank, Arthur R.; Jafarkhani, Hamid; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Decoding for generalized orthogonal design for space-time codes for wireless communication.
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  33. Feher,Kamilo, Demodulation of multiple signals.
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  34. Feher, Kamilo, Detection, communication and control in multimode cellular, TDMA, GSM, spread spectrum, CDMA, OFDM WiLAN and WiFi systems.
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  35. Lee Kwang-Wook,KRX ; Yoon Soon-Young,KRX ; Ahn Jae-Min,KRX ; Kim Young-Ky,KRX ; Kang Hee-Won,KRX ; Kong Seung-Hyun,KRX ; Chung Ha-Bong,KRX ; No Jong-Seon,KRX ; Yang Kyeong-Cheol,KRX, Device and method for data encoding and frequency diversity in mobile communications system.
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  36. Feher, Kamilo, Digital mobile communication.
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  38. Alamouti, Siavash; Tarokh, Vahid, Diversity technique for wireless communications.
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  39. Helmut Boleskei ; Peroor K. Sebastian ; Shilpa Talwar ; Arogyaswami J. Paulraj, Diversity transmitter based on linear transform processing of transmitted information.
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  40. Feher, Kamilo, Diversity wireless systems.
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  41. Feher,Kamilo, Emergency location transceivers (ELT).
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  42. Feher, Kamilo, Fingerprint authenticated touchsceeen contolled cascaded 3G-OFDM mobile systems.
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  49. Feher, Kamilo, Internet GSM, CDMA, OFDM, Wi-Fi wireless and wired multimode systems.
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  50. Bolgiano, D. Ridgely; LaVean, Gilbert E., Locating a wireless user.
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  52. Siavash Alamouti ; Patrick Poon HK; Vahid Tarokh, Low complexity maximum likelihood detecting of concatenated space codes for wireless applications.
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  53. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenate space codes for wireless applications.
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  54. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
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  55. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
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  56. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
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  57. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
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  58. Alamouti, Siavash; Poon, Patrick; Tarokh, Vahid, Low complexity maximum likelihood detection of concatenated space codes for wireless applications.
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  60. Frank,Colin D., MMSE reception of DS-CDMA with transmit diversity.
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  62. Lo, Titus, Maximum ratio transmission.
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  63. Lo,Titus, Maximum ratio transmission.
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  64. Lo,Titus, Maximum ratio transmission.
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  65. Feher, Kamilo, Medical diagnostic and communication system.
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  66. Calderbank Arthur Robert ; Naguib Ayman F. ; Seshadri Nambirajan ; Tarokh Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  67. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  68. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  69. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  70. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  71. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  72. Calderbank, Arthur Robert; Naguib, Ayman F.; Seshadri, Nambirajan; Tarokh, Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  73. Calderbank,Arthur Robert; Naguib,Ayman F.; Seshadri,Nambirajan; Tarokh,Vahid, Method and apparatus for data transmission using multiple transmit antennas.
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  74. Bolgiano, Duane Ridgely; LaVean, Gilbert E., Method and apparatus for locating a wireless user.
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  75. Bolgiano, Duane Ridgely; LaVean, Gilbert E., Method and apparatus for receiving code transmissions over timeslots and antennas.
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  76. Yada Katsuhiro,JPX, Method and apparatus for transmitting information converted to spread spectrum signal.
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  77. Heikkila, Markku J.; Lilleberg, Jorma, Method and apparatus providing bit-to-symbol mapping for space-time codes.
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  78. Vummintala, Shashidhar; Paulraj, Arogyaswami; Lindskog, Erik D.; Rajan, Balaji S.; Tujkovic, Djordje, Method and system for maximum transmit diversity.
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  79. Vummintala,Shashidhar; Paulraj,Arogyaswami; Lindskog,Erik D.; Rajan,Balaji S.; Tujkovic,Djordje, Method and system for rate-2 transmission.
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  80. Shaver,Joseph; Voglewede,Paul; Leiby,Edwin; Chamberlain,Mark Walter; Peach,Eric, Method for encoded or encrypted bit stream synchronization.
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  81. Sayiner Necip ; Soljanin Emina, Method of detecting DC-free sequences.
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  82. Hassibi, Babak; Hochwald, Bertrand M; Marzetta, Thomas Louis, Method of wireless communication using structured unitary space-time signal constellations.
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  83. Feher, Kamilo, Methods and systems for transmission of multiple modulated signals over wireless networks.
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  86. Feher, Kamilo, Mobile television (TV), internet, cellular systems and Wi-Fi networks.
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  90. Feher,Kamilo, Multimode communication system.
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  91. Schilling, Donald L., Multiple-input multiple-output (MIMO) spread-spectrum system and method.
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  92. Lo, Titus; Tarokh, Vahid, Near-optimal low-complexity decoding of space-time codes for fixed wireless applications.
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  93. Lo, Titus; Tarokh, Vahid, Near-optimal low-complexity decoding of space-time codes for fixed wireless applications.
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  94. Lo, Titus; Tarokh, Vahid, Near-optimal low-complexity decoding of space-time codes for fixed wireless applications.
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  95. Lo,Titus; Tarokh,Vahid, Near-optimal low-complexity decoding of space-time codes for wireless applications.
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  96. Feher, Kamilo, OFDM mobile networks.
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  97. Feher, Kamilo, OFDM, 3G and 4G cellular multimode systems and wireless mobile networks.
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  99. Feher, Kamilo, Phone video mobile internet television (TV) and cellular system.
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  100. Feher, Kamilo, Polar and quadrature modulated cellular, WiFi, WiLAN, satellite, mobile, communication and position finder systems.
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  104. Feher, Kamilo, QAM and GMSK systems.
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  106. Kubo, Hiroshi, Radio communication system, a transmitter and a receiver.
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  107. Ohsawa,Susumu, Receiver.
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  108. Alamouti,Siavash; Tarokh,Vahid, Receiver diversity technique for wireless communications.
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  109. Feher,Kamilo, Receivers and demodulators for TDMA and other modulated systems.
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  110. Bolgiano, D. Ridgely; LaVean, Gilbert E, Receiving station for wireless telephone system with diversity transmission and method.
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  113. Feher, Kamilo, Ship based cellular and satellite communication.
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  120. Feher, Kamilo, Touch screen generated processed signals in multiple communication systems and networks.
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  123. Feher, Kamilo, Transceivers digital mobile communications.
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  124. D. Ridgely Bolgiano ; Gilbert E LaVean, Transfer station for wireless telephone distribution system with time and space diversity transmission.
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  125. Feher, Kamilo, Transmission of signals in cellular systems and in mobile networks.
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  126. Khayrallah Ali S. ; Zangi Kambiz C. ; Ramesh Rajaram, Transmit diversity method, systems, and terminals using scramble coding.
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  132. Bolgiano, D. Ridgely; LaVean, Gilbert E., Transmitting an information signal over antennas.
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  133. Bolgiano, D. Ridgely; LaVean, Gilbert E, Transmitting station for wireless telephone system with diversity transmission and method.
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  134. Bolgiano,D. Ridgely; LaVean,Gilbert E, Transmitting station for wireless telephone system with diversity transmission and method.
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  135. Feher, Kamilo, UMTS wired and wireless mobile 2G, 3G, 4G, 5G and other new generations of cellular, mobile.
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  136. Feher, Kamilo, Video mobile communication system.
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  137. Feher, Kamilo, Video multimode multimedia data communication systems.
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  138. Feher, Kamilo, Video, voice and location finder wireless communication system.
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  139. Feher, Kamilo, VoIP multimode WLAN, Wi-Fi, GSM, EDGE, TDMA, spread spectrum, CDMA systems.
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  140. Feher, Kamilo, Voice, location finder, modulation format selectable Wi-Fi, cellular mobile systems.
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  141. Feher, Kamilo, Wi-Fi, GPS and MIMO systems.
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  142. Feher, Kamilo, Wired and wireless 4G and 3G cellular, mobile and RFID systems.
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  143. Bolgiano, D. Ridgely; La Vean, Gilbert E., Wireless telephone system with diversity transmission and method.
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  144. Bolgiano, D. Ridgely; LaVean, Gilbert E, Wireless telephone system with diversity transmission and method.
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