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Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/707
출원번호 US-0480167 (1995-06-07)
발명자 / 주소
  • Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO)
출원인 / 주소
  • Omnipoint Corporation (Colorado Springs CO 02)
인용정보 피인용 횟수 : 12  인용 특허 : 149

초록

A technique for modulating and demodulating continuous phase modulation (CPM) spread spectrum signals and variations thereof. A transmitter encodes M data bits using a selected spread spectrum code, divides the spread spectrum code into a plurality of chip codes (such as even chips and odd chips), i

대표청구항

An apparatus for despreading a received continuous phase modulated spread spectrum signal comprising: a power divider connected to a received spread spectrum signal, having as outputs a real signal and an imaginary signal, a first serial correlator connected to said real signal and having as an outp

이 특허에 인용된 특허 (149)

  1. Timor Uzi (Haifa ILX), Adaptive spread spectrum FH-MFSK transmitter and receiver.
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  7. Hui Yu N. (North Plainfield NJ), Asynchronous communication system.
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  103. Henry Paul S. (Holmdel NJ), Spread spectrum FH-MFSK decoder.
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  108. Nicolas Michel J. R. (Paris FRX) Sebilet Bruno R. (Suresnes FRX), Spread spectrum coding method and apparatus.
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  111. Schilling Donald L. (Sands Point NY), Spread spectrum conference call system and method.
  112. Roeder Allan W. (Whitesboro NY), Spread spectrum correlation receiver.
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  118. Endo Kaoru (Osaka JPX), Spread spectrum power line communications.
  119. Fullerton Larry W. (Huntsville AL), Spread spectrum radio transmission system.
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  1. Kinget, Peter R.; Wright, John; Yazicigil, Rabia Tugce, Circuits and methods for detecting interferers.
  2. Sugita Takehiro,JPX, Code detection apparatus.
  3. Hindman David L. ; Fowler Clarence W. ; Powell Gerald D. ; Fowler David A. ; Hirsch David L. ; Ladwig ; IV Charles L., MSK signal processing in a GPS correlator channel.
  4. Omura Jimmy K. ; Yang Paul T. ; Khachatrian Gurgen H.,AMX ; Nikogossian Karen M.,AMX ; Hovakimian Karen S.,AMX ; Vartapetian Armen L.,AMX, MSK spread-spectrum receiver which allows CDMA operations.
  5. Cho,Pak Shing; Reingand,Nadejda; Grigoryan,Vladimir; Demir,Alper; Salamon,Aviv; Shpantzer,Isaac, Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems.
  6. Linde, Louis Philippus; Marx, Frans Engelbertius, Multi-dimensional spread spectrum modem.
  7. Kleider, John Eric; Arneson, Steve Henry; Chuprun, J. Scott; Nolan, Keith Matthew; Hughes, Derrick Duane, Signal acquisition methods and apparatus in wireless communication systems.
  8. Okamoto Naoki,JPX ; Kubota Minoru,JPX ; Hamaguchi Yasuhiro,JPX, Spread spectrum communication system.
  9. Blois Gary Vincent ; Fine Joseph Michael ; Epstein Marvin A., Synchronization and tracking in a digital communication system.
  10. Blois Gary Vincent ; Fine Joseph Michael ; Epstein Marvin A., Synchronization and tracking in a digital communication system.
  11. Gary Vincent Blois ; Joseph Michael Fine ; Marvin A. Epstein, Synchronization and tracking in a digital communication system.
  12. Dent Paul W., Transmitter/receiver for GMSK and offset-QAM.
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