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Random access in a mobile telecommunications system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-027/06
출원번호 US-0733501 (1996-10-18)
발명자 / 주소
  • Esmailzadeh Riaz,SEX
출원인 / 주소
  • Telefonaktiebolaget L M Ericsson (PUBL), SEX
대리인 / 주소
    Jenkens & Gilchrist
인용정보 피인용 횟수 : 78  인용 특허 : 20

초록

A mobile communications system is provided for significantly reducing the time required to process a random access mobile-originated call. During call setup, a mobile station transmits a random access packet that includes a preamble and a plurality of fields. The information provided in these fields

대표청구항

[ What is claimed is:] [1.]1. A system for use in demodulating a plurality of random access request messages, comprising:at least one matched filter, said at least one matched filter adapted to despread an input thereto;a first accumulator, a despread output of said at least one matched filter conne

이 특허에 인용된 특허 (20)

  1. Subramanian Ravi (East Brunswick NJ), All digital maximum likelihood based spread spectrum receiver.
  2. Blanchard Scott David ; Wreschner Kenneth Solomon ; Brack Marc David ; Winningham Terry, Apparatus for despreading and demodulating a burst CDMA signal.
  3. Sawahashi Mamoru,JPX ; Adachi Fumiyuki,JPX, Automatic gain control apparatus, communication system, and automatic gain control method.
  4. Lomp Gary ; Ozluturk Fatih ; Silverberg Avi, Code sequence generator in a CDMA modem.
  5. Chalmers Harvey (Rockville MD), Digital downconverter/despreader for direct sequence spread spectrum communications system.
  6. Gaudenzi Riccardo De,NLX ; Fanucci Luca,NLX ; Giannetti Filippo,ITX ; Luise Marco,ITX, Direct-sequence spread-spectrum receiver including code acquisition and detection using an autoadaptive threshold.
  7. Sawahashi Mamoru,JPX ; Dohi Tomohiro,JPX, Frequency error correction device of a spread-spectrum communication receiver.
  8. Zehavi Ephraim (Haifa ILX) Carter Stephen S. (San Diego CA) Gilhousen Klein S. (Bozeman MT), Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking in.
  9. Miller David S. (Escondido CA), Multi-user communication system architecture with distributed receivers.
  10. Davis Mark E. (Carlsbad CA), Multiple-access noise rejection filter for a DS-CDMA system.
  11. Kim Je-Woo,KRX ; Park Jong-Hyeon,KRX, PN code sync device using an adaptive threshold.
  12. Petrick Al, Packet header generation and detection circuitry.
  13. Natali Francis (Townsend WA) Ohlson John (Mt. View CA), Rapid-acquisition access channel scheme for CDMA systems.
  14. Koch Wolfgang (Heroldsberg DEX), Receiver comprising at least two receive branches.
  15. Lomp Gary R. (Centerport NY), Spread spectrum multipath processor system and method.
  16. Hashimoto Takeshi (Tokyo JPX) Uchida Yoshitaka (Tokyo JPX), Spread spectrum receiver.
  17. Fukawa Kazuhiko,JPX ; Suzuki Hiroshi,JPX, Spread spectrum transmitter and receiver employing composite spreading codes.
  18. Durrant Randolph L. (Colorado Springs CO) Burbach Mark (Peyton CO), Synchronization apparatus and method for spread spectrum receiver.
  19. Bottomley Gregory E. (Cary NC), System and method for joint demodulation of CDMA signals.
  20. Crisler Kenneth J. (Wheaton IL) Needham Michael L. (Palatine IL), Time slot allocation method.

이 특허를 인용한 특허 (78)

  1. Tomasin, Stefano; Pfister, Henry David; Hou, Jilei; Smee, John Edward, Adaptation of transmit subchannel gains in a system with interference cancellation.
  2. Kim, Yeon-Soo; Shin, Young-Hee; Lee, Joon-Ho, Apparatus and method for detecting signals of space-time coding based on transmission diversity.
  3. Kim, Tae Joong; Bang, Seung Chan; Han, Ki Chul, Apparatus for making a random access to the reverse common channel of a base station in CDMA and method therefor.
  4. Kim, Tae Joong; Bang, Seung Chan; Han, Ki Chul, Apparatus for making a random access to the reverse common channel of a base station in CDMA and method therefor.
  5. Kim, Tae Joong; Bang, Seung Chan; Han, Ki Chul, Apparatus for making a random access to the reverse common channel of a base station in CDMA and method therefor.
  6. Yu, Hee-Jung; Jeon, Taehyun; Kim, Myung-Soon; Choi, Eun-Young; Lee, Sok-kyu; Lyu, Deuk-Su, Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof.
  7. Zhang, Hongjun; Patel, Ashok, Apparatus, and associated method, for facilitating initiation of channel allocation to communicate data in a radio communication system.
  8. Zhang, Hongjun; Patel, Ashok, Apparatus, and associated method, for facilitating initiation of channel allocation to communicate data in a radio communication system.
  9. Zhang,Hongjun; Patel,Ashok, Apparatus, and associated method, for facilitating initiation of channel allocation to communicate data in a radio communication system.
  10. Zhang,Hongjun; Patel,Ashok, Apparatus, and associated method, for facilitating initiation of channel allocation to communicate data in a radio communication system.
  11. Benveniste, Mathilde, Asymmetric measurement-based dynamic packet assignment system and method for wireless data services.
  12. Benveniste,Mathilde, Asymmetric measurement-based dynamic packet assignment system and method for wireless data services.
  13. Tsunehara,Katsuhiko; Yano,Takashi; Doi,Nobukazu; Uta,Takaki; Hasegawa,Keiji, CDMA communication system and its transmission power control method.
  14. Bhatoolaul, David Lahiri; Cao, Qiang; Charriere, Patrick Georges Venceslas; Lim, Seau Sian, Cellular mobile telephone network and method of operating the same.
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  16. Smee, John Edward; Pfister, Henry David; Hou, Jilei; Tomasin, Stefano, Channel estimation for interference cancellation.
  17. Imamura, Daichi; Matsumoto, Atsushi; Iwai, Takashi; Futagi, Sadaki; Takata, Tomofumi, Communication method, communication terminal, and base station apparatus.
  18. Karna , Juha; Toskala, Antti; Soininen, Pekka; Kalliojarvi, Kari; Hottinen, Ari; Wichman, Risto, Data transmission method and a radio system.
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  20. Proctor, Jr., James A., Forward error correction scheme for high rate data exchange in a wireless system.
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  22. Robert, Joérg; Stadelmeier, Lothar; Daoud, Khaled, Frame and data pattern structure for multi-carrier systems.
  23. Hou, Jilei; Soriaga, Joseph B.; Smee, John Edward; Chen, Jinghu, Iterative interference cancellation system and method.
  24. Hou, Jilei; Pfister, Henry David; Smee, John Edward; Tomasin, Stefano, Joint interference cancellation of pilot, overhead and traffic channels.
  25. Mati Wax ; Abraham Bar ; Oliver Hilsenrath, Measurement of spatial signature information in CDMA wireless communication systems.
  26. Moerder, Karl E., Method and apparatus for a CDMA random access communication system.
  27. Moerder,Karl E., Method and apparatus for a CDMA random access communication system.
  28. Coralli, Alessandro Vanelli; Pfister, Henry David; Hou, Jilei; Smee, John Edward; Padovani, Roberto; Butler, Brian K.; Levin, Jeffrey A.; Wilborn, Thomas B.; Bender, Paul E., Method and apparatus for canceling pilot interference in a wireless communication system.
  29. Coralli, Alessandro Vanelli; Pfister, Henry David; Hou, Jilei; Smee, John Edward; Padovani, Roberto; Butler, Brian K; Levin, Jeffrey A; Wilborn, Thomas B; Bender, Paul E, Method and apparatus for canceling pilot interference in a wireless communication system.
  30. Kuzminskiy, Alexandr; Luschi, Carlo; Samaras, Konstantinos, Method and apparatus for collision resolution in a delay-critical radio telecommunications system.
  31. Miller, Mark J.; Dankberg, Mark D.; Pateros, Charles N., Method and apparatus for multiple access over a communication channel.
  32. Miller, Mark J.; Dankberg, Mark D.; Pateros, Charles N., Method and apparatus for multiple access over a communication channel.
  33. Miller,Mark J.; Dankberg,Mark D.; Pateros,Charles N., Method and apparatus for multiple access over a communication channel.
  34. Kazmi, Muhammad; Baldemair, Robert; Hu, Rong, Method and arrangement in a communication network.
  35. Moulsley, Timothy J.; Hunt, Bernard, Method and system for random access packet channel request.
  36. Soriaga, Joseph B.; Bhushan, Naga; Hou, Jilei; Chen, Jinghu; Smee, John Edward, Method and system for signal reconstruction from spatially and temporally correlated received samples.
  37. Cantenot, Noel; Beloeil, Luc; Auvray, Sebastien, Method for broadcasting extensive multicast information, system and corresponding software product.
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  40. Kwon, Yeong Hyeon; Noh, Min Seok; Kwak, Jin Sam; Chung, Jae Hoon; Han, Seung Hee, Method for random access to uplink in multi-carrier aggregation environment.
  41. Pecen, Mark E.; Otting, Marcia; Dorsey, Donald, Method for supporting acknowledged transport layer protocols in GPRS/edge host application.
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  44. Poon, Wang Paul; Zou, Qiuzhen, Multiplexed CDMA and GPS searching.
  45. Kanterakis,Emmanuel; Parsa,Kourosh, RACH ramp-up acknowledgement.
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