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Method and apparatus for performing soft hand-off in a wireless communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-007/26
출원번호 US-0897865 (1997-07-21)
발명자 / 주소
  • Soliman Samir S.
출원인 / 주소
  • Qualcomm Incorporated
대리인 / 주소
    Miller
인용정보 피인용 횟수 : 58  인용 특허 : 34

초록

At the mobile station the measured pilot energy of each pilot in the candidate set is iteratively compared against a threshold generated in accordance with the sum of the energies of the pilots in the active set. If the strongest pilot in the candidate set satisfies this threshold condition, it is a

대표청구항

[ I claim:] [1.] A method for selecting base stations to communicate with a remote station, comprising the steps of:measuring at said remote station signal energies for signals received from base stations capable of communicating with said remote station;computing at least one dynamic threshold valu

이 특허에 인용된 특허 (34)

  1. Schilling Donald L. (Sands Point NY), Adaptive power control for a spread spectrum transmitter.
  2. Oberholtzer John C. (Seattle WA) Nitardy John H. (Seattle WA), Apparatus and method for controlling transmitted power in a radio network.
  3. Bonnerot Georges (Les Ullis FRX) Lerouge Christophe (Paris FRX), Apparatus for controlling transmission power over a digital radio communication channel.
  4. Douzono Youichi (Dazaihu JPX) Umeda Narumi (Yokohama JPX), Base station device and mobile station device in mobile communication system utilizing the site diversity effect in soft.
  5. Frost ; Edward G., Comprehensive automatic mobile radio telephone system.
  6. Henriksson Jukka (Espoo FIX), Digital radio link system and a method of adjusting the transmission power in a digital radio link system.
  7. Barnett Charles A. (Sterling VA) Kay Stanley E. (Rockville MD) King Lou (Mt. Airy MD) Mehta Ashok D. (North Potomac MD), Dynamic thresholding for mobile assisted handoff in a digital cellular communication system.
  8. Wheatley ; III Charles E. (Del Mar CA) Padovani Roberto (San Diego CA) Zehavi Ephraim (San Diego CA), Fast forward link power control in a code division multiple access system.
  9. Feei Loh J. (Penang MYX), Method and apparatus for adjusting the power of a transmitter.
  10. Padovani Roberto (San Diego CA) Weaver ; Jr. Lindsay A. (Boulder CO) Bender Paul E. (San Diego CA), Method and apparatus for balancing the forward link handoff boundary to the reverse link handoff boundary in a cellular.
  11. 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.
  12. 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.
  13. 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.
  14. Rom Raphael (Palo Alto CA), Method and apparatus for power control in a wireless lan.
  15. Bruckert Eugene J. (Arlington Heights IL) Eyuboglu Vedat (Boston MA) Falconer David D. (Nepean CAX), Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system.
  16. 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.
  17. Hall Scott M. (Fort Worth TX), Method for compensating for capacity overload in a spread spectrum communication system.
  18. Bruckert Eugene J. (Arlington Heights IL) Vilmur Richard J. (Palatine IL), Method for performing a handoff in a communication system.
  19. Bodin Stig R. (Spanga SEX) Forsselius Karl R. V. (Bromma SEX), Method of controlling output power in a mobile radio communication system.
  20. Ohtake Koji (Kawasaki JPX), Method of determining initial transmission power.
  21. 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.
  22. 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.
  23. 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.
  24. Padovani Roberto (San Diego CA) Hamdy Walid M. (San Diego CA) Bar-David Gil (Kullu INX), Pilot signal searching technique for a cellular communications system.
  25. Bruckert Eugene J. (Arlington Heights IL) Ling Fuyun (Jamaica Plain MA), Power control method for use in a communication system.
  26. Vilmur Richard J. (Palatine IL) Metroka Michael P. (Algonquin IL), Power control of a direct sequence CDMA radio.
  27. McDavid William T. (Allen TX) Bryce William W. (Dallas TX), Power leveling telemetry system.
  28. Lampert ; Ernst ; Mahner ; Helmut, SSMA receiver with synchronous demodulation and variable gain control.
  29. 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.
  30. Gilhousen Klein S. (San Diego CA) Padovani Roberto (San Diego CA) Wheatley ; III Charles E. (Del Mar CA), Spread spectrum transmitter power control method and system.
  31. 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.
  32. Willey William Daniel, System method and wireless communication device for soft handoff.
  33. 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.
  34. Wheatley ; III Charles E. (Del Mar CA), Transmitter power control system.

이 특허를 인용한 특허 (58)

  1. Proctor, Jr., James A., Antenna adaptation to manage the active set to manipulate soft hand-off regions.
  2. Natarajan,Kadathur S.; Arumugam,Karthikeyan; Reddy,Muddasani S.; Valdivia,Mary M.; Singh,Ajoy K., Apparatus and method for mobile/IP handoff between a plurality of access technologies.
  3. Parekh, Nileshkumar J.; Krasnyanskiy, Maksim (Max), Apparatus and method of performing a handoff in a communication network.
  4. Okawa,Koichi; Tanaka,Shinya; Nakamura,Takehiro, Base station connection method, radio network controller, and mobile station.
  5. Sato, Toshifumi, Cellular communication system, and mobile and base stations used in the same.
  6. Kurek, Wojciech; Cramer, III, Joseph; Hu, Bin, Communication circuit and method for selecting a reference link.
  7. Laroia, Rajiv; Anigstein, Pablo; Parizhsky, Vladimir; Srinivasan, Murari; Tsirtsis, George, Communications methods and apparatus using physical attachment point identifiers.
  8. Laroia, Rajiv; Anigstein, Pablo; Parizhsky, Vladimir; Srinivasan, Murari; Tsirtsis, George, Communications methods and apparatus using physical attachment point identifiers which support dual communications links.
  9. Vargantwar, Sachin R., Conditional assignment of connection identifiers to help avoid communication errors.
  10. Tsutsumi,Noriyuki; Kato,Hidenari; Takeshita,Hisashi; Ito,Shogo, Diversity handover control apparatus and method.
  11. Macias, John F.; Chiang, David; Kotecha, Lalit R.; Chang, Patricia Ruey-Jane; Lee, Jay J.; Haynes, Thomas W., Dynamic handoff parameters in a wireless network.
  12. O'Neill, Alan; Corson, Matthew Scott; Tsirtsis, Georgios; Park, Vincent D.; Dynarski, Richard J.; Mazik, David R; Sigal, Leonid G., Enhanced techniques for using core based nodes for state transfer.
  13. Damnjanovic, Aleksandar, Forward handover under radio link failure.
  14. Laroia, Rajiv; Anigstein, Pablo; Mazik, David R.; Parizhsky, Vladimir; Park, Vincent; Srinivasan, Murari; Tsirtsis, George, Method and apparatus for end node assisted neighbor discovery.
  15. Laroia, Rajiv; Anigstein, Pablo; Mazik, David R.; Parizhsky, Vladimir; Park, Vincent; Srinivasan, Murari; Tsirtsis, George, Method and apparatus for end node assisted neighbor discovery.
  16. Zangi, Kambiz Casey; Stern-Berkowitz, Janet, Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unit.
  17. Zangi,Kambiz Casey; Stern Berkowitz,Janet, Method and apparatus for measuring channel quality using a smart antenna in a wireless transmit/receive unit.
  18. Black,Peter J., Method and apparatus for performing handoff in a high speed communication system.
  19. Black, Peter John, Method and apparatus for performing handoff in communication systems.
  20. Black, Peter John, Method and apparatus for performing handoff in communications systems.
  21. Canoy, Michael-David Nakayoshi; Agashe, Parag Arun; Wu, Qiang; Kintada, Ramakrishna; Sundaram, Senthilkumar Kaliannan, Method and apparatus for receiving broadcast in a wireless multiple-access communications system.
  22. Grob, Matthew Stuart; Padovani, Roberto; Bender, Paul E.; Karmi, Gadi; Kimball, Robert H.; Hoagland, Greg M., Method and apparatus for robust handoff in wireless communication systems.
  23. Chen, Tao; Wang, Jun; Sinnarajah, Ragulan; Butler, Brian K.; Tiedemann, Jr., Edward G., Method and system for a handoff in a broadcast communication system.
  24. Chen,Tao; Wang,Jun; Sinnarajah,Ragulan; Butler,Brian K.; Tiedemann, Jr.,Edward G., Method and system for a handoff in a broadcast communication system.
  25. Tiedemann ; Jr. Edward G., Method and system for changing forward traffic channel power allocation during soft handoff.
  26. Tiedemann, Jr.,Edward G., Method and system for changing forward traffic channel power allocation during soft handoff.
  27. Athalye, Sanjeev Arvind; Sinnarajah, Ragulan; Wang, Jun, Method and system for signaling in broadcast communication system.
  28. Sinnarajah, Ragulan; Wang, Jun; Bender, Paul E.; Chen, Tao; Tiedemann, Jr., Edward G., Method and system for signaling in broadcast communication system.
  29. Jetzek, Ulrich, Method and systems for dynamic threshold adjustment for handoffs in radio communication systems.
  30. Horwath, George J.; Nedelcu, Bogdan R.; Bonta, Jeffrey D.; Dillon, Matthew J., Method for automatically sorting the neighbor list of a cell in a communications system.
  31. Sung Hyuck Hong KR; Hyun Goo Lee KR; Ja Hyeok Yoon KR, Method for controlling a handoff in a communication system.
  32. Stern Berkowitz,Janet; Iacono,Ana Lucia; Zangi,Kambiz Casey, Method for identifying pre-candidate cells for a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system.
  33. Stern Berkowitz,Janet; Iacono,Ana Lucia; Zangi,Kambiz Casey, Method for performing measurements for handoff of a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system.
  34. Stern-Berkowitz, Janet; Iacono, Ana Lucia; Zangi, Kambiz Casey, Method for performing measurements for handoff of a mobile unit operating with a switched beam antenna in a wireless communication system, and corresponding system.
  35. Choi Hyuk-jung,KRX, Method for processing hard handoff in a digital communication system.
  36. Matthew S. Grob ; Roberto Padovani ; Paul E. Bender ; Gadi Karmi ; Robert H. Kimball ; Greg M. Hoagland, Method for robust handoff in wireless communication system.
  37. Vargantwar, Sachin R.; Canjeevaram, Ashvini G.; Shetty, Manoj; Oroskar, Siddharth S.; Rai, DeveshKumar, Method for use of azimuth and bearing data to select a serving sector for a mobile station.
  38. Ramakrishna Deepa ; Jalali Ahmad ; Chheda Ashvin, Method for utilizing negative T--COMP to improve handoff reliability.
  39. Chen, Tao; Jou, Yu-Cheun, Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities.
  40. Chen, Tao; Jou, Yu-Cheun, Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities.
  41. Chen,Tao; Jou,Yu Cheun, Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities.
  42. Chen,Tao; Jou,Yu Cheun, Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities.
  43. Ahmed,Walid; Huang,Joe; Kumar,Sarath; Nanda,Sanjiv; Patel,Devesh T.; Wang,Melanie M., Method of processing soft handoff information at a base station.
  44. Gupta, Ajay; Malladi, Durga Prasad, Methods and apparatus for facilitating robust forward handover in long term evolution (LTE) communication systems.
  45. Gupta, Ajay; Malladi, Durga Prasad, Methods and apparatus for facilitating robust forward handover in long term evolution (LTE) communication systems.
  46. Kitamura,Tsutomu, Mobile station, radio communication system, base station switching control method, program, and recording medium.
  47. Park, Vincent D.; Corson, M. Scott; Tsirtsis, George, Packet routing in a wireless communications environment.
  48. Park, Vincent D.; Mazik, David R., Provision of QoS treatment based upon multiple requests.
  49. Park, Vincent D.; Mazik, David R., Provision of a move indication to a resource requester.
  50. Prakash, Rajat; Khandekar, Aamod; Gorokhov, Alexei; Borran (Jaber), Mohammad J., Recovery from handoff error due to false detection of handoff completion signal at access terminal.
  51. Park, Young-Jin; Han, Kyung-Soo, Soft handoff system, mobile terminal having the same, and soft handoff method.
  52. Zhao,Jian, Soft handover method for CDMA mobile communication system.
  53. Corson, M. Scott; Tsirtsis, George; Park, Vincent D., State synchronization of access routers.
  54. Corson, Mathew Scott; Tsirtsis, Georgios; Park, Vincent Douglas, State synchronization of access routers.
  55. Pittampalli, Eshwar; Vasudevan, Subramanian, System and method for preventing dropped calls.
  56. Kosugi, Junichi, System and method of controlling transmission electric power in a CDMA base station.
  57. Han, Jung Hoon, Vertical handover method for overlay communication system.
  58. Ichikawa, Kiyoshi; Asanuma, Michihiro; Kataoka, Kiyotaka, Wireless communication system and soft handoff control method in wireless communication system.
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