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Radio communication systems 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04J-013/02
출원번호 US-0052968 (1993-04-27)
우선권정보 GB-0001178 (1992-05-27)
발명자 / 주소
  • Hulbert Anthony P. (Southampton GB2)
출원인 / 주소
  • Roke Manor Research Limited (Hampshire GB2 03)
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록 ▼

CDMA (Code Division Multiple Access) can be used in cellular mobile radio systems to provide good spectral efficiency through averaging the interference wherever the number of users per carrier is large (several tens). This is readily practicable for voice users whose data rate requirements are mode

대표청구항 ▼

A radio communication system comprising a base station which is arranged in communication with a plurality of mobile stations for the transmission of speech using a first set of channels and for the transmission of data using a second set of channels, the channels of the first set each having substa

이 특허를 인용한 특허 (48)

  1. Farley, Kevin L.; Proctor, James A., Alternate channel for carrying selected message types.
    상세보기
  2. Farley, Kevin L.; Proctor, Jr., James A., Alternate channel for carrying selected message types.
    상세보기
  3. Proctor, Jr., James A., Antenna control system and method.
    상세보기
  4. Proctor, Jr., James A., Antenna control system and method.
    상세보기
  5. Proctor, Jr., James A., Antenna control system and method.
    상세보기
  6. Proctor, Jr., James A., Antenna control system and method.
    상세보기
  7. Proctor, Jr., James A., Antenna control system and method.
    상세보기
  8. Gorsuch, Thomas E., Dual mode unit for short range, high rate and long range, lower rate data communications.
    상세보기
  9. Gorsuch, Thomas E., Dual mode unit for short range, high rate and long range, lower rate data communications.
    상세보기
  10. Foore, Lawrence R.; Proctor, Jr., James A.; Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation for multiple access communications using buffer urgency factor.
    상세보기
  11. Proctor, Jr., James A.; Foore, Lawrence R.; Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation for multiple access communications using buffer urgency factor.
    상세보기
  12. Gorsuch, Thomas E.; Amalfitiano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  13. Gorsuch Thomas E. ; Amalfitano Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  14. Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  15. Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  16. Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  17. Gorsuch, Thomas E.; Amalfitano, Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  18. Gorsuch,Thomas E.; Amalfitano,Carlo, Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link.
    상세보기
  19. Proctor, Jr., James A., Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system.
    상세보기
  20. Proctor, Jr.,James A., Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system.
    상세보기
  21. Sun, Feng-Wen; Lee, Lin-Nan; Karimullah, Khalid, Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals.
    상세보기
  22. Tiedemann, Jr., Edward G., Method and apparatus for overlaying two CDMA systems on the same frequency bandwidth.
    상세보기
  23. Tiedemann, Jr.,Edward G., Method and apparatus for overlaying two CDMA systems on the same frequency bandwidth.
    상세보기
  24. Proctor, Jr., James A., Methods, apparatuses and systems for selective transmission of traffic data using orthogonal sequences.
    상세보기
  25. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support sychronization.
    상세보기
  26. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
    상세보기
  27. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, James A., Minimal maintenance link to support synchronization.
    상세보기
  28. Nelson, Jr., G. Rodney; Hoffmann, John E.; Rouphael, Antoine J.; Proctor, Jr., James A., Minimal maintenance link to support synchronization.
    상세보기
  29. Smith Douglas G. ; Dixon Robert C. ; Vanderpool Jeffrey S., Multi-band, multi-mode spread-spectrum communication system.
    상세보기
  30. Smith Douglas G. ; Dixon Robert C. ; Vanderpool Jeffrey S., Multi-band, multi-mode spread-spectrum communication system.
    상세보기
  31. Smith Douglas G. ; Dixon Robert C. ; Vanderpool Jeffrey S., Multi-band, multi-mode spread-spectrum communication system.
    상세보기
  32. Francesca,Anthony; Zhang,WeiMin, Multi-channel broadband content distribution system.
    상세보기
  33. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
    상세보기
  34. Proctor, Jr., James A., Multi-detection of heartbeat to reduce error probability.
    상세보기
  35. Proctor, Jr.,James A., Multi-detection of heartbeat to reduce error probability.
    상세보기
  36. Gorsuch, Thomas E.; Amalfitano, Carlo, Protocol conversion and bandwidth reduction technique providing multiple NB+D ISDN basic rate interface links over a wireless code division multiple access communication system.
    상세보기
  37. Proctor, Jr., James A., Signaling for wireless communications.
    상세보기
  38. Proctor, Jr., James A., Signaling for wireless communications.
    상세보기
  39. Gorsuch, Thomas E., Subscriber unit for managing dual wireless communication links.
    상세보기
  40. Gorsuch, Thomas E., Subscriber unit for managing dual wireless communication links.
    상세보기
  41. Proctor, Jr.,James A., System and method for controlling signal strength over a reverse link of a CDMA wireless communication system.
    상세보기
  42. Proctor, Jr., James A., System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system.
    상세보기
  43. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
    상세보기
  44. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
    상세보기
  45. Proctor, Jr., James A., System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system.
    상세보기
  46. Proctor, Jr., James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
    상세보기
  47. Proctor, Jr.,James A., Transmittal of heartbeat signal at a lower level than heartbeat request.
    상세보기
  48. Proctor, Jr., James A., Use of correlation combination to achieve channel detection.
    상세보기

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