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Multiple access wireless communications system using a multi-sector configuration

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04W-004/00
출원번호 US-0119774 (2008-05-13)
등록번호 US7995527 (2011-07-27)
발명자 / 주소
  • Li, Junyi
  • Laroia, Rajiv
  • Lane, Frank
출원인 / 주소
  • QUALCOMM Incorporated
대리인 / 주소
    Ross L., Franks
인용정보 피인용 횟수 : 11  인용 특허 : 45

초록

Power control methods and apparatus for use in a sectorized cell of an OFDM communications system are described. Each sector of a cell uses the same frequencies and transmission times and is synchronized with the other sectors in the cell in terms of tone frequencies used at any given time and symbo

대표청구항

What is claimed is: 1. A method of operating a transmitter within a cell of a wireless communication system, the cell including a first sector adjoining a second sector, comprising:transmitting different information into the first sector and the second sector, said transmitting different information

이 특허에 인용된 특허 (45)

  1. Li, Junyi; Vanderveen, Michaela C., Apparatus and method for timing synchronization in OFDM-based wireless systems.
  2. Hall Scott M., Apparatus and method for transmitting beacon signals in a communication system.
  3. Dogan Mithat Can ; Stearns Stephen Deane, Cochannel signal processing system.
  4. Sriram, Sundararajan, Comma free codes for fast cell search using tertiary synchronization channel.
  5. Jensen Ryan N. ; Lindsay Charles L. ; Williams Claude M., Communication protocol for spread spectrum wireless communication system.
  6. Yuko Mikuni JP; Takashi Kawabata JP; Norihiko Toyota JP, Control channel placement method.
  7. Poyhonen Petri (Espoo FIX), Digital cellular network/system with mobile stations communicating with base stations using frequency-hopping and having.
  8. Razoumov, Leonid; Lundby, Stein A.; Holtzman, Jack M.; Tiedemann, Jr., Edward G.; Odenwalder, Joseph P., Estimation of traffic-to-pilot ratios.
  9. Holtzman, Jack M.; Bao, Gang, Forward-link scheduling in a wireless communication system during soft and softer handoff.
  10. Takahashi Yasuhiro,JPX ; Kondou Takeshi,JPX ; Matsui Susumu,JPX, Frequency hopping radio LAN system and frequency hopping control method.
  11. Rasanen, Juha, High-speed data transmission in a mobile system.
  12. Meiyappan, Palaniappan, Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems.
  13. Heeschen David R. (Coconut Creek FL) D\Amico Thomas V. (Boca Raton FL), Method and apparatus for establishing a communication link.
  14. Cupo, Robert Louis; Karim, Muhammad R.; Shariat, Mojtaba; Zarrabizadeh, Mohammad Hossein, Method and apparatus for interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system.
  15. Mark Wallace ; Jay R. Walton ; Ahmad Jalali, Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system.
  16. Bergstrom Chad Scott ; Chuprun Jeffrey Scott ; Kleider John Eric, Method and apparatus for performing frequency hopping adaptation.
  17. Tiedemann, Jr., Edward G.; Chen, Tao; Wheatley, III, Charles E., Method and apparatus for performing mobile assisted hard handoff between communication systems.
  18. Roche James R. (New Providence NJ) Wyner Aaron D. (Maplewood NJ), Method and apparatus for transmitting signals in a multi-tone code division multiple access communication system.
  19. Gaiani Eros (Turin ITX) Palestini Valerio (Turin ITX), Method and device for power control in the base-to-mobile link of a mobile radio system with code division multiple acce.
  20. Scott C. Bundy ; Thomas Scwhengler ; Mike Gilbert, Method and system for controlling antenna downtilt in a CDMA network.
  21. Kevin Lynn Baum ; Brian Keith Classon ; Philippe Jean-Marc Sartori ; Theresa Ann Fry, Method and system for criterion based adaptive power allocation in a communication system with selective determination of modulation and coding.
  22. Struhsaker, Paul F.; Quinn, Patrick Wilton; Easson, Michael J.; Hudson, Thomas C., Method and system protocols for providing voice, data, and multimedia services in a wireless local loop system.
  23. Arogyaswami J. Paulraj ; Peroor K. Sebastian ; Jose Tellado ; Robert W. Heath, Jr., Method and wireless communications system using coordinated transmission and training for interference mitigation.
  24. Byeong-Woo Kim KR; Byung-chul You KR, Method for sharing channels between base station sectors and frequency assignments in code division multiple access system.
  25. Ilkka Keskitalo FI; Peter Muszynski FI; Jaana Laiho-Steffens FI, Method for transmitting pilot channels and a cellular radio system.
  26. Szajnowski, Wieslaw Jerzy, Method of determining a frequency offset between a set frequency and a desired frequency for synchronization with a multicarrier signal.
  27. Heinonen, Jari M.; Hirano, Michael R.; McMeekin, Steven E., Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system.
  28. Mujtaba, Syed Aon, Methods and apparatus for wireless communication using time division duplex time-slotted CDMA.
  29. Ritter Gerhard (Thaining DEX) Schreib Franz (Munich DEX) Schulz Egon (Munich DEX), Mobile radio network.
  30. Chavez David A. ; Sayers Ian L. ; Sage Gerald F., Multiple antenna cellular network.
  31. Sim, Jae-Yoon; Yoo, Jei-Hwan, Negatively biased word line scheme for a semiconductor memory device.
  32. Sugawara Hiroshi,JPX, Nonvolatile semiconductor memory.
  33. Robert Louis Cupo ; Mohsen Sarraf ; Mojtaba Shariat ; Mohammad Hossein Zarrabizadeh, OFDM subcarrier hopping in a multi service OFDM system.
  34. Comroe Richard A. (Dundee IL) Sobti Arun (Wheaton IL) Major John E. (Barrington IL), One cell re-use pattern for communication system sites.
  35. Laroia, Rajiv; Li, Junyi; Vanderveen, Michaela Catalina, Orthogonal frequency division multiplexing based spread spectrum multiple access.
  36. Rajiv Laroia ; Junyi Li ; Michaela Catalina Vanderveen, Orthogonal frequency division multiplexing based spread spectrum multiple access.
  37. Chow Jacky S., Protocol for transceiver initialization.
  38. Inaba, Tsuneo; Kohno, Fumihiro; Tsuchida, Kenji; Ikeda, Toshimi, Semiconductor memory device with reduced its chip area and power consumption.
  39. Brink Stephan ten,DEX ; van Nee Richard D. J.,NLX, Soft handover system for a multiple sub-carrier communication system and method thereof.
  40. Baum Kevin Lynn ; Nadgauda Nikhil Shashank, Synchronous coherent orthogonal frequency division multiplexing system, method, software and device.
  41. Kondo Seiji,JPX, System and method for simplified handoff operation in a cellular mobile communication system.
  42. Yang Fuji,FRX ; Genest Pierre,FRX ; Dussauby Eric,FRX ; Berland Corinne,FRX ; Maecker Arnaud,FRX, Transmit-receive system and transmission method, in particular for a mobile telephone.
  43. Jarett Keith ; Williams Roland E. ; Raffel Michael A. ; Nelson Roderick ; Leuca Ileana A. ; Lee Tony S. ; Lawrence Christopher G. ; Kibria Masud ; Glass David R. ; Bamburak Michael D., Wireless communication system having mobile stations establish a communication link through the base station without u.
  44. Doner John R. ; Carney Ronald R. ; Komara Michael A., Wireless system plan using in band-translators with diversity backhaul to enable efficient depolyment of high capacity base transceiver systems.
  45. Ki Jun Nam KR, Word line driving circuit for semiconductor memory device.

이 특허를 인용한 특허 (11)

  1. Li, Junyi; Richardson, Thomas J.; Laroia, Rajiv, Encoding information in beacon signals.
  2. Li, Junyi; Richardson, Thomas; Laroia, Rajiv, Encoding information in beacon signals.
  3. Li, Junyi; Richardson, Thomas; Laroia, Rajiv, Encoding information in beacon signals.
  4. Li, Junyi; Richardson, Thomas; Laroia, Rajiv, Encoding information in beacon signals.
  5. Li, Junyi; Parizhisky, Vladimir; Leonidov, Alexander; Richardson, Thomas J., Method and apparatus for signaling beacons in a communication system.
  6. Laroia, Rajiv; Li, Junyi, Methods and apparatus for communicating using multiple transmission power levels.
  7. Koskela, Timo K.; Hakola, Sami-Jukka; Turtinen, Samuli; Ojala, Jussi, Network controlled filtering over wireless device communications.
  8. Li, Junyi; Richardson, Thomas; Laroia, Rajiv, Progressively broadcasting information in beacon signals.
  9. Fukuoka, Masaru; Nishio, Akihiko, Radio communication device and pilot arrangement method.
  10. Roh, June Chul; Batra, Anuj; Hosur, Srinath, System and method for scrambling and time-hopping.
  11. Schmidl, Timothy Mark; Xhafa, Ariton; Raghu, Arvind Kandhalu, Wideband beacon channel for frequency hopping systems.
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