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Method and apparatus for creating a composite waveform 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/30
출원번호 US-0163101 (1993-12-06)
발명자 / 주소
  • Schaffner Terry M. (Palatine IL) Kotzin Michael D. (Buffalo Grove IL) Van den Heuvel Anthony P. (Parkland FL)
출원인 / 주소
  • Motorola, Inc. (Schaumburg IL 02)
인용정보 피인용 횟수 : 43  인용 특허 : 0

초록

A method and apparatus is provided for creating a composite waveform. This composite waveform is created by coding a plurality of input digital information signals. Subsequently, the plurality of coded input digital information signals are communicated over a communication medium to a digital combin

대표청구항

A direct sequence code division multiple access (DS-CDMA) transmitter which digitally combines channel information, comprising: (a) a first and a second channel encoder for channel coding a first and a second input digital information signal, respectively, each channel encoder comprising a splitter

이 특허를 인용한 특허 (43)

  1. Rakib Selim Shlomo ; Azenkot Yehuda, Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops.
  2. Rakib,Selim Shlomo; Azenkot,Yehuda, Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops.
  3. Fuhrmann Amir Michael, Apparatus and method for digital data transmission over a CATV system using an ATM transport protocol and SCDMA.
  4. Rakib Selim Shlomo ; Azenkot Yehuda, Apparatus and method for digital data transmission over video cable using orthogonal cyclic codes.
  5. Rakib Selim Shlomo ; Azenkot Yehuda, Apparatus and method for digital data transmission using orthogonal codes.
  6. Selim Shlomo Rakib ; Yehuda Azenkot, Apparatus and method for digital data transmission using orthogonal codes.
  7. Rakib Selim Shlomo ; Azenkot Yehuda, Apparatus and method for digital data transmission using orthogonal cyclic codes.
  8. Rakib, Selim Shlomo; Azenkot, Yehuda, Apparatus and method for equalization in distributed digital data transmission systems.
  9. Bang, Seung-Chang; Kim, Tae-Joong; Kim, Jae-Heung; Kim, Jung-Im; Chae, Jong-Suk; Lee, Hyuck-Jae; Shim, Jae-Ryong; Lee, Narm-Hee, Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communicating system.
  10. Bang, Seung-Chang; Kim, Tae-Joong; Kim, Jae-Heung; Kim, Jung-Im; Chae, Jong-Suk; Lee, Hyuck-Jae; Shim, Jae-Ryong; Lee, Narm-Hee, Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system.
  11. Rakib,Selim Shlomo; Azenkot,Yehuda, Apparatus and method for receiving upstream data transmissions from multiple remote transmitters.
  12. Rakib, Selim Shlomo; Azenkot, Yehuda, Apparatus and method for trellis encoding data for transmission in digital data transmission systems.
  13. Rakib,Selim Shlomo; Azenkot,Yehuda, Apparatus and method for trellis encoding data for transmission in digital data transmission systems.
  14. Rakib,Selim Shlomo; Azenkot,Yehuda, Apparatus and method for trellis encoding data for transmission in digital data transmission systems.
  15. Kim, Tae Joong; Bang, Seung Chan; Han, Ki Chul, Apparatus for making a random access to the reverse common channel of a base station in CDMA and method therefor.
  16. Yu, Hee-Jung; Jeon, Taehyun; Kim, Myung-Soon; Choi, Eun-Young; Lee, Sok-kyu; Lyu, Deuk-Su, Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof.
  17. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  18. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
  19. Jones Delon K. (West Bountiful UT) Barham Steven T. (Salt Lake City UT) Giallorenzi Thomas R. (Salt Lake City UT), Electronic transmitter having a digital combiner circuit for transmitting multiple digital input signals simultaneously.
  20. Yang, Yunsong, Enhanced multi-user packets with extended MAC index space for wireless communications.
  21. Prasad Mohit K., Forward-link sync-channel interleaving/de-interleaving for communication systems based on closed-form expressions.
  22. Prasad Mohit K., Forward-link traffic/paging-channel de-interleaving for communication systems based on closed-form expressions.
  23. Prasad Mohit K., Forward-link traffic/paging-channel interleaving for communication systems based on closed-form expressions.
  24. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  25. Odenwalder, Joseph P., High data rate CDMA wireless communication system using variable sized channel codes.
  26. Odenwalder, Joseph P., High rate CDMA wireless communication system using variable sized channel codes.
  27. Fuhrmann Amir Michael ; Rakib Selim Shlomo ; Azenkot Yehuda, Lower overhead method for data transmission using ATM and SCDMA over hybrid fiber coax cable plant.
  28. Proctor, Jr., James A.; Nelson, Jr., George Rodney, Maintaining a maintenance channel in a reverse link of a wireless communications system.
  29. Proctor, Jr., James A.; Nelson, Jr., George Rodney, Maintaining a maintenance channel in a reverse link of a wireless communications system.
  30. Jalloul,Louay M. A.; Shanbhag,Abhijit G., Method and apparatus for enhancing data rates in spread spectrum communication systems.
  31. Willenegger, Serge; Holtzman, Jack M.; Shanbhag, Abhijit, Method and apparatus for reducing peak-to-average ratio in a CDMA communication system.
  32. Kotzin Michael D. ; Rozanski ; Jr. Walter J., Method and apparatus for transmitting signals in a communication system.
  33. Giallorenzi Thomas R ; Kingston Samuel C ; Butterfield Lee A ; Ralston William T ; Nieczyporowicz Leon L ; Lundquist Alan E, Non-recursively generated orthogonal PN codes for variable rate CDMA.
  34. Bang, Seung Chan; Shim, Jae Ryong; Han, Ki-Chul; Kim, Jung-im; Kim, Tae-Joong, Orthogonal complex spreading method for multichannel and apparatus thereof.
  35. Nieczyporowicz, Leon; Giallorenzi, Thomas; Perkins, Steven B, PN code selection for synchronous CDMA.
  36. Yang, Yunsong, Preamble for identifying mobile stations in a wireless communication network.
  37. Rakib Selim Shlomo, Process for communicating multiple channels of digital data in distributed systems using synchronous code division mult.
  38. Odenwalder Joseph P., Reduced peak-to-average transmit power high data rate CDMA wireless communication system.
  39. Prasad Mohit K., Reverse-link de-interleaving for communication systems based on closed-form expressions.
  40. Prasad Mohit K., Reverse-link interleaving for communication systems based on closed-form expressions.
  41. Norman P. Secord CA; Mo-Han Fong CA; Geng Wu CA; Leo Strawczynski CA; Ahmad Jalali ; Robert Matyas CA; Ning Guo CA; Wookwon Lee CA; Amir Bigloo CA, Systems and methods of channel coding and inverse-multiplexing for multi-carrier CDMA systems.
  42. Baik Sung Jun,KRX ; An Byung Yang,KRX ; Lee Kyung Jun,KRX ; Lee Hun,KRX, Voice coding apparatus at a code division multiple access base station.
  43. Ehlers Douglas E. ; Hall Christopher Aaron ; Holthaus James R., Voice security between a composite channel telephone communications link and a telephone.
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