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Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/00
  • H04Q-007/20
출원번호 US-0317666 (1999-05-24)
발명자 / 주소
  • Edward G. Tiedemann, Jr.
  • Abhijit G. Shanbhag
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Philip Wadsworth
인용정보 피인용 횟수 : 18  인용 특허 : 25

초록

A method and apparatus for high data rate communication in a cellular/PCS communication system is provided. Specifically, the embodiment provides for early assignment of code channel for signaling channels (F-DCCH) in soft handoff. Thus, rather than simultaneously assigning a code channel for signal

대표청구항

1. A method of initiating a handoff in a wireless communication system among a mobile station and a plurality of cells, comprising the steps of:transmitting a first pilot strength measurement message from a mobile station to a base station; assigning a Walsh code channel for a first forward link ded

이 특허에 인용된 특허 (25)

  1. Schilling Donald L. (Sands Point NY), Adaptive power control for a spread spectrum transmitter.
  2. Bonnerot Georges (Les Ullis FRX) Lerouge Christophe (Paris FRX), Apparatus for controlling transmission power over a digital radio communication channel.
  3. Tiedemann ; Jr. Edward G. ; Sarkar Sandip, Cellular communication system with common channel soft handoff and associated method.
  4. Frost ; Edward G., Comprehensive automatic mobile radio telephone system.
  5. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatly ; III Charles E. (Del Mar CA), Diversity receiver in a CDMA cellular telephone system.
  6. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system.
  7. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Weaver ; Jr. Lindsay A. (San Diego CA) Blakeney ; II Robert D. (San Diego CA), Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system.
  8. Schmidt Werner (Roscommon IEX), Method and apparatus for handing-over a radio connection from one radio cell to another radio cell of a digital radio tr.
  9. Sutton Todd R., Method and apparatus for performing search acquisition in a CDMA communication system.
  10. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Method and system for providing a soft handoff in communications in a CDMA cellular telephone system.
  11. Blakeney ; II Robert D. (San Diego CA) Karmi Gadi (San Diego CA) Tiedemann ; Jr. Edward G. (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA), Mobile station assisted soft handoff in a CDMA cellular communications system.
  12. Katsuyama Tsutomu (Tokyo JPX) Yoshida Isao (Tokyo JPX) Kanai Toyoo (Tokyo JPX) Taguchi Yasunobu (Tokyo JPX), Output power control circuit for a mobile radio apparatus.
  13. Vilmur Richard J. (Palatine IL) Metroka Michael P. (Algonquin IL), Power control of a direct sequence CDMA radio.
  14. McDavid William T. (Allen TX) Bryce William W. (Dallas TX), Power leveling telemetry system.
  15. Osborne William P. (Melbourne FL) Hartman William F. (Palm Bay FL) Crabtree Luther L. (Melbourne FL), Pre-calibration of gain control circuit in spread-spectrum demodulator.
  16. Naylor Michael (Reading GB2) Brash David (Reading GB2), Radio systems.
  17. Halpern Samuel W. (Matawan NJ), Radiotelephone transmission power control.
  18. Lampert ; Ernst ; Mahner ; Helmut, SSMA receiver with synchronous demodulation and variable gain control.
  19. Cooper George R. (West Lafayette IN) Nettleton Raymond W. (West Lafayette IN), Spread spectrum apparatus for cellular mobile communication systems.
  20. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Weaver ; Jr. Lindsay A. (San Diego CA), Spread spectrum multiple access communication system using satellite or terrestrial repeaters.
  21. Kavehrad Mohsen (Holmdel NJ) McLane Peter J. (Kingston CAX), Spread spectrum wireless PBX.
  22. Gilhousen Klein S. (San Diego CA) Jacobs Irwin M. (La Jolla CA) Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Wheatley ; III Charles E. (Del Mar CA) Viterbi Andrew J. (La Jol, System and method for generating signal waveforms in a CDMA cellular telephone system.
  23. Hasegawa Satoshi (Tokyo JPX), System for carrying out spread spectrum communication through an electric power line.
  24. Havel Christophe (6 ; mail R. Menand 92130 Issy-Les-Moulineaux FRX) Mazziotto Grald (7 ; rue Cadix 75015 Paris FRX), Transmission power control device in a radio communication transmitting/receiving station.
  25. Giger Adolf J. (Boxford MA), Transmitter power control circuit.

이 특허를 인용한 특허 (18)

  1. Love, Robert T.; Classon, Brian K.; Ghosh, Amitava; Jalloul, Louay A.; Cudak, Mark C., Apparatus and method for providing separate forward dedicated and shared control channels in a communications system.
  2. Koo,Chang Hoi; Kim,Min Goo; Kim,Dae Gyun; Park,Dong Seek, Device and method for transmitting multimedia data in mobile communication system.
  3. Ho, Sai Yiu Duncan; Meylan, Arnaud; Chaponniere, Etienne Francois; Grilli, Francesco; Maheshwari, Shailesh; Klingenbrunn, Thomas, Downlink flow control.
  4. Kim,Youn Sun; Jang,Jae Sung; Choi,Ho Kyu; Kim,Jae Yoel; Kwon,Hwan Joon, Encoding/decoding apparatus and method in a CDMA mobile communication system.
  5. Kang,Sera, Inter-network handoff method.
  6. Tiedemann, Jr., Edward G.; Shanbhag, Abhijit G., Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system.
  7. Tiedemann, Jr., Edward G.; Shanbhag, Abhijit G., Method and apparatus for a dedicated control channel in an early soft handoff in a code division multiple access communication system.
  8. Nanda, Sanjiv; Damnjanovic, Aleksandar, Method and apparatus for controlling data rate of a reverse link in a communication system.
  9. Ha, Sang-Hyuck; Heo, Seo-Weon; Yu, Nam-Yul; Kim, Min-Goo; Ahn, Seong-Woo, Method and apparatus for deinterleaving interleaved data stream in a communication system.
  10. Jalloul, Louay; Tenbrook, Keith A.; Luz, Yuda Yehuda; Chen, Jiangnan (Jason); Rotstein, Ron, Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards.
  11. Jalloul,Louay; Tenbrook,Keith A.; Luz,Yuda Yehuda; Chen,Jiangnan (Jason); Rotstein,Ron, Method and apparatus for soft handoff communications in a communication system operating according to IS-95B and IS-95C standards.
  12. Raafat Edward Kamel ; Wen-Yi Kuo ; Martin Howard Meyers ; Carl Francis Weaver ; Xiao Cheng Wu, Method and system for controlling forward transmit power in a wireless system.
  13. Lewis, Ronald E.; Woodson, Charles E.; Zhang, Baoquan; Santharam, Arun; Furness, Daren R.; McConnell, Von K., Method and system for incoming call notification.
  14. Hattori,Kiyoshi, Mobile communication terminal capable of displaying communication mode.
  15. Chen, Tao; Tiedemann, Jr., Edward G.; Jain, Avinash, Scheduled and autonomous transmission and acknowledgement.
  16. Mansour, Nagi A.; Chapman, Shane David, System and method for circulating the assignment of walsh codes among mobile units in control/hold states.
  17. Xu, Xiaode; Huang, Wenfeng; Pines, Howard S.; Sayers, Ian, System and method for handover execution in a wireless environment.
  18. Xu,Xiaode; Huang,Wenfeng; Pines,Howard S.; Sayers,Ian, System and method for handover execution in a wireless environment.
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