UA90080C2 - Random access for wireless multiple-access communication systems - Google Patents

Random access for wireless multiple-access communication systems

Info

Publication number
UA90080C2
UA90080C2 UAA200504936A UA2005004936A UA90080C2 UA 90080 C2 UA90080 C2 UA 90080C2 UA A200504936 A UAA200504936 A UA A200504936A UA 2005004936 A UA2005004936 A UA 2005004936A UA 90080 C2 UA90080 C2 UA 90080C2
Authority
UA
Ukraine
Prior art keywords
rach
user terminals
access
random access
communication systems
Prior art date
Application number
UAA200504936A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Дж. Родні Уолтон
Джон У. КЕТЧУМ
Марк Уоллейс
Стівен Дж. Говард
Original Assignee
Квелкомм Інкорпорейтед
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Квелкомм Інкорпорейтед filed Critical Квелкомм Інкорпорейтед
Publication of UA90080C2 publication Critical patent/UA90080C2/en

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Techniques for facilitating random access in wireless multiple-access communication systems. A random access channel (RACH) is defined to comprise a "fast" RACH (F-RACH) and a "slow" RACH (S-RACH). The F-RACH and S-RACH can efficiently support user terminals in different operating states and employ different designs. The F-RACH can be used to quickly access the system, and the S-RACH is more robust and can support user terminals in various operating states and conditions. The F-RACH may be used by user terminals that have registered with the system and can compensate for their round trip delays (RTDs) by properly advancing their transmit liming. The S-RACH may be used by user terminals that may or may not have registered with the system, and may or may not be able to compensate for their RTDs. The user terminals may use the F-RACH or S-RACH, or both, to gain access to the system.
UAA200504936A 2002-10-25 2003-10-24 Random access for wireless multiple-access communication systems UA90080C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42130902P 2002-10-25 2002-10-25

Publications (1)

Publication Number Publication Date
UA90080C2 true UA90080C2 (en) 2010-04-12

Family

ID=35581904

Family Applications (6)

Application Number Title Priority Date Filing Date
UAA200504858A UA89611C2 (en) 2002-10-25 2003-10-24 A method and a device for reception /transmission of signalling information in a wireless communication system (embodiments)
UAA200504943A UA86752C2 (en) 2002-10-25 2003-10-24 Detecting and demodulating data transmissions in wireless communication systems
UAA200504947A UA87973C2 (en) 2002-10-25 2003-10-24 Multimode terminal in a system of radio communication with multiple input, multiple output and spatial multiplexing, a method and an apparatus for data processing and access point in a radio communications system
UAA200504937A UA86191C2 (en) 2002-10-25 2003-10-24 Channel calibrate for communication system having duplex commutation and time-division channeling
UAA200504936A UA90080C2 (en) 2002-10-25 2003-10-24 Random access for wireless multiple-access communication systems
UAA200504860A UA86190C2 (en) 2002-10-25 2003-10-24 Closed-loop rate control for data transmission on multichannel communication system

Family Applications Before (4)

Application Number Title Priority Date Filing Date
UAA200504858A UA89611C2 (en) 2002-10-25 2003-10-24 A method and a device for reception /transmission of signalling information in a wireless communication system (embodiments)
UAA200504943A UA86752C2 (en) 2002-10-25 2003-10-24 Detecting and demodulating data transmissions in wireless communication systems
UAA200504947A UA87973C2 (en) 2002-10-25 2003-10-24 Multimode terminal in a system of radio communication with multiple input, multiple output and spatial multiplexing, a method and an apparatus for data processing and access point in a radio communications system
UAA200504937A UA86191C2 (en) 2002-10-25 2003-10-24 Channel calibrate for communication system having duplex commutation and time-division channeling

Family Applications After (1)

Application Number Title Priority Date Filing Date
UAA200504860A UA86190C2 (en) 2002-10-25 2003-10-24 Closed-loop rate control for data transmission on multichannel communication system

Country Status (2)

Country Link
CN (9) CN100459535C (en)
UA (6) UA89611C2 (en)

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Also Published As

Publication number Publication date
CN1717901A (en) 2006-01-04
CN101425874B (en) 2012-12-05
UA86752C2 (en) 2009-05-25
UA89611C2 (en) 2010-02-25
UA86190C2 (en) 2009-04-10
CN101166072A (en) 2008-04-23
CN1717900A (en) 2006-01-04
CN101232726A (en) 2008-07-30
CN101166074A (en) 2008-04-23
UA86191C2 (en) 2009-04-10
CN101166054A (en) 2008-04-23
CN101425874A (en) 2009-05-06
CN100380857C (en) 2008-04-09
CN101582873B (en) 2013-01-02
CN101232726B (en) 2012-12-05
UA87973C2 (en) 2009-09-10
CN101166054B (en) 2013-03-06
CN101582873A (en) 2009-11-18
CN101166072B (en) 2014-11-12
CN100459535C (en) 2009-02-04
CN1720686A (en) 2006-01-11

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