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Mobile telecommunication system and method for performing handoff between asynchronous base station and synchronous base station 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-001/00
출원번호 US-0707151 (2000-11-06)
우선권정보 KR-0050402 (1999-11-13); KR-0050403 (1999-11-13); KR-0057757 (1999-12-15)
발명자 / 주소
  • Park, Jae-Hong
  • Lee, Chong-Won
  • Lee, Yu-Ro
  • Lee, Ho-Geun
출원인 / 주소
  • Hyundai Electronics Industry Co.
대리인 / 주소
    Baker Botts LLP
인용정보 피인용 횟수 : 32  인용 특허 : 30

초록

A mobile telecommunication system for performing a handoff from an asynchronous communication system to a synchronous communication system includes: at least one asynchronous base station; at least one synchronous base station neighboring to the asynchronous base station, wherein the synchronous bas

대표청구항

A mobile telecommunication system for performing a handoff from an asynchronous communication system to a synchronous communication system includes: at least one asynchronous base station; at least one synchronous base station neighboring to the asynchronous base station, wherein the synchronous bas

이 특허에 인용된 특허 (30)

  1. Seppo Hamalainen FI; Oscar Salonaho FI; Niina Laaksonen FI; Antti Lappetelainen FI, Advanced method for executing handover.
  2. Francesco Grilli ; Avinash Jain, Base station synchronization for handover in a hybrid GSM/CDMA network.
  3. Kransmo, Jan L., Broadcasting of two generation cellular system control channel information over a three generation control channel to support roaming and handover to two generation cellular networks.
  4. Kim, Il Kyu; Ha, Sang Wook; Lim, Byoung Woo; Lee, Sang Gil, Cell searching method in asynchronous wideband code division multiple access system.
  5. Czaja, Stanislaw; Anderson, Kraig, Forward link inter-generation soft handoff between 2G and 3G CDMA systems.
  6. Daisuke Terasawa, Handoff control in an asynchronous CDMA system.
  7. Obuchi, Kazuhisa; Kawabata, Kazuo; Yano, Tetsuya, Handover method, base station, mobile station, and mobile communication system.
  8. Kim Ik-han,KRX, Hard handoff method using the dummy pilot.
  9. Sei Hirade JP, IS-95 base station apparatus, W-CDMA base station apparatus, mobile communication system, and frequency sharing method.
  10. Dean Richard F., Method and apparatus for analyzing base station timing.
  11. Samir S. Soliman, Method and apparatus for determining position location using reduced number of GPS satellites and synchronized and unsynchronized base stations.
  12. Schorman Eric R. ; Kotzin Michael D., Method and apparatus for handoff within a communication system.
  13. Barnett Charles A., Method and apparatus for performing a handoff in a wireless communication system.
  14. Gehrke James K. ; Groch Timothy J. ; Shipton Steven P. ; Spiotta Mark G., Method and apparatus for performing a time synchronization of a base site.
  15. Tiedemann ; Jr. Edward G., Method and apparatus for performing idle handoff in a multiple access communication system.
  16. Weaver ; Jr. Lindsay A. (Boulder CO) Bayley Gwain (San Diego CA) Tiedemann ; Jr. Edward G. (San Diego CA) Gilhousen Klein S. (Bozeman MT), Method and apparatus for providing mobile unit assisted hard handoff from a CDMA communication system to an alternative.
  17. DeClerck Daniel J. ; Nolting John P., Method and apparatus for providing synchronization during hard handoff in a communication system.
  18. Ghosh Amitava ; Labedz Gerald Paul ; Haas Kenneth Allen, Method and apparatus for transmitting information regarding the synchronization status of a base station.
  19. Dahlman, Erik Bengt Lennart; Jamal, Karim; Nystrom, Johan Anders; Cedervall, Mats; Lundqvist, Patrik, Method and system for facilitating timing of base stations in an asynchronous CDMA mobile communications system.
  20. Rohani Kamyar, Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications system.
  21. Tiedemann ; Jr. Edward G. ; Terasawa Daisuke ; Sarkar Sandip ; Jou Yu-Cheun ; Odenwalder Joseph P. ; Shanbhag Abihijit ; Willenegger Serge,CHX, Method and system for handoff between an asynchronous CDMA base station and a synchronous CDMA base station.
  22. Periyalwar Shalini,CAX ; McGregor Andy,CAX, Method for performing progressive soft handoff in CDMA systems.
  23. Jae Hong Park KR; Chong Won Lee KR; Yeon Sang Koo KR; Shin Hyun Yang KR; Jeong Hwa Ye KR; Yu Ro Lee KR; Ho Geun Lee KR, Method for transmitting data for inter-frequency/inter-system handover in mobile telecommunications system.
  24. Cuffaro Angelo,CAX ; Izady Mahshid,CAX, Method of detecting and inhibiting mobile station handoff oscillations in a cellular telecommunications network.
  25. Bonta Jeffrey D. ; Pregont Gary, Method of performing handoff in a wireless communication system.
  26. Nicolas Voyer FR; Yasuhiro Yano JP; Hideshi Murai JP, Mobile radio communication system, communication apparatus applied in mobile radio communication system, and mobile radio communication method.
  27. Willars Per H. A. (Stockholm SEX) Grimlund Olof E. (Hasselby SEX) Ewerbring Lars-Magnus (Stockholm SEX), Non-continuous transmission for seamless handover in DS-CDMA systems.
  28. Light Jeffrey Ross ; Liu Chung-Zin ; Varvaro Charles, System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site.
  29. Cory W. Streter, System and methods in a dual mode wireless system for transmitting rescan command based on detected network conditions.
  30. Kransmo, Jan, System, method, and apparatus for cell searching in a next generation overlay of a preexisting network.

이 특허를 인용한 특허 (32)

  1. Park, Jae-Sun, Apparatus and method for indicating the kind of current communication service of dual mode mobile terminal.
  2. Park,Ji Hoon, Apparatus for performing a handover between different mobile communication systems and method for controlling the same.
  3. Park, Jae-Sun; Kim, Hong-Gu, Call control method for dual-mode mobile terminals and a dual-mode mobile terminal using the same.
  4. Lee,Jae Hwan, Cell search method for inter-system handover in a mobile station.
  5. Narang, Mohit; Brunner, Christopher; Vasudevan, Srinivasan, Extending access terminal battery life through search rate control.
  6. Kazmi,Seemi; Picker,Dan, Facilitating synchronization of communication stations in a radio communication system.
  7. Kim, Young-Lak; Shin, Sung-Ho; Kim, Hyun-Wook; Ihm, Jong-Tae, Hand over method for dual band/dual mode mobile communication terminal.
  8. Takano, Nahoko; Hamabe, Kojiro, High-speed downlink packet access system, base station, mobile station, and communication control method during a soft handover.
  9. Backlund, Ingemar; Diachina, John Walter; Mildh, Gunnar; Tedenvall, Lars, Method and system for base station change of packet switched communications in a mobile communications system.
  10. Backlund, Ingemar; Mildh, Gunnar; Diachina, John; Tedenvall, Lars, Method and system for base station change of packet switched communications in a mobile communications system.
  11. Thadasina, Nivedan; Csapo, John; Gilliland, Paul, Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network.
  12. Kim, Young-Lak; Shin, Sung-Ho; Kim, Hyun-Wook; Ihm, Jong-Tae, Method for controlling multi-mode multi-band mobile communication terminal for hand-over between asynchronous communication network and synchronous communication network and mobile communication system therefor.
  13. Kim, Hyun-Wook; Kim, Young-Lak; Kim, Nam-Gun; Ihm, Jong-Tae, Method for hand-over in the mixed network asynchronous communication network and synchronous communication network.
  14. Kim, Young-Lak; Shin, Sung-Ho; Ihm, Jong-Tae, Method for handover between asynchronous communication network and synchronous communication network.
  15. Park, Jae-Hong; Hwang, Woon-Hee; Ye, Jeong-Hwa, Method for interfacing asynchronous mobile communication system with at least one core network.
  16. Park,Seong Soo; Lee,In Hong; Lee,Jin Ick, Method for supporting hand-off decision for guaranteeing mobility of a dual-mode mobile terminal between different mobile communication network systems.
  17. Park,Jae Hong; Lee,Chong Won; Lee,Yu Ro; Lee,Ho Geun, Method for transmitting long code state information in asynchronous mobile communication system.
  18. Chun, Joon-Hwa, Method of determining an acquisition indicator bit in a communication system.
  19. Kim, Hyun-Wook; Kim, Young-Lak; Kim, Nam-Gun; Ihm, Jong-Tae, Method of hand-over in the mixed network of asynchronous communication network and synchronous communication network.
  20. Ohta, Yoshiaki; Tajima, Yoshiharu; Kawabata, Kazuo, Mobile control device and handover control method.
  21. Rimoni,Yoram, System and method for GSM hard handoff.
  22. Kim, Hyun-Wook; Kim, Young-Lak; Kim, Nam-Gun; Ihm, Jong-Tae, System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof.
  23. Kim, Hyun-Wook; Kim, Young-Lak; Kim, Nam-Gun; Ihm, Jong-Tae, System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof.
  24. Kim, Hyun-Wook; Kim, Young-Lak; Kim, Nam-Gun; Ihm, Jong-Tae, System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof.
  25. Lindner, Mark A.; Subbaramoo, Shobha M., Systems and methods for establishing a group communication based on motion of a mobile device.
  26. Lindner, Mark Aaron; Subbaramoo, Shobha, Systems and methods for establishing a group communication based on motion of a mobile device.
  27. Lindner, Mark A.; Subbaramoo, Shobha M., Systems and methods for group communication using a mobile device using motion and voice activate controls.
  28. Lindner, Mark Aaron; Subbaramoo, Shobha, Systems and methods for group communication using a mobile device using motion and voice activate controls.
  29. Subbaramoo, Shobha M.; Lindner, Mark A., Systems and methods for group communication using a mobile device with mode depending on user proximity or device position.
  30. Subbaramoo, Shobha; Lindner, Mark Aaron, Systems and methods for group communication using a mobile device with mode depending on user proximity or device position.
  31. Subbaramoo, Shobha M.; Lindner, Mark A., Systems and methods for group communication using a mobile device with mode transition based on motion.
  32. Refai,Wail; Sourour,Essam, Systems and methods for soft handoff and other diversity communication using base stations supporting common radio configurations.
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