GB0217758D0 - An apparatus and method for detecting multiple access signals in a cellular communication system - Google Patents

An apparatus and method for detecting multiple access signals in a cellular communication system

Info

Publication number
GB0217758D0
GB0217758D0 GB0217758A GB0217758A GB0217758D0 GB 0217758 D0 GB0217758 D0 GB 0217758D0 GB 0217758 A GB0217758 A GB 0217758A GB 0217758 A GB0217758 A GB 0217758A GB 0217758 D0 GB0217758 D0 GB 0217758D0
Authority
GB
United Kingdom
Prior art keywords
communication system
multiple access
cellular communication
access signals
detecting multiple
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB0217758A
Other versions
GB2391747A (en
GB2391747B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0217758A priority Critical patent/GB2391747B/en
Publication of GB0217758D0 publication Critical patent/GB0217758D0/en
Publication of GB2391747A publication Critical patent/GB2391747A/en
Application granted granted Critical
Publication of GB2391747B publication Critical patent/GB2391747B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04Q7/38—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709709—Methods of preventing interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0217758A 2002-07-31 2002-07-31 An apparatus and method for detecting multiple access signals in a cellular communication system Expired - Lifetime GB2391747B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0217758A GB2391747B (en) 2002-07-31 2002-07-31 An apparatus and method for detecting multiple access signals in a cellular communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0217758A GB2391747B (en) 2002-07-31 2002-07-31 An apparatus and method for detecting multiple access signals in a cellular communication system

Publications (3)

Publication Number Publication Date
GB0217758D0 true GB0217758D0 (en) 2002-09-11
GB2391747A GB2391747A (en) 2004-02-11
GB2391747B GB2391747B (en) 2006-05-10

Family

ID=9941465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0217758A Expired - Lifetime GB2391747B (en) 2002-07-31 2002-07-31 An apparatus and method for detecting multiple access signals in a cellular communication system

Country Status (1)

Country Link
GB (1) GB2391747B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7450541B2 (en) 2004-03-09 2008-11-11 Qualcomm Incorporated Access channel with constrained arrival times
GB2439122A (en) * 2006-06-09 2007-12-19 Symbian Software Ltd Reducing power consumption of a mobile device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101453B (en) * 1981-03-19 1984-12-12 Secr Defence Radio communications link
US5506861A (en) * 1993-11-22 1996-04-09 Ericsson Ge Mobile Comminications Inc. System and method for joint demodulation of CDMA signals
JPH10173630A (en) * 1996-12-13 1998-06-26 Nec Corp Cdma chip-synchronizing circuit
DE69901437T2 (en) * 1999-07-02 2002-12-12 Alcatel Sa Method and receiver for arbitration of collisions in the physical layer in a random access protocol
US6683924B1 (en) * 1999-10-19 2004-01-27 Ericsson Inc. Apparatus and methods for selective correlation timing in rake receivers
JP3613457B2 (en) * 2000-01-18 2005-01-26 株式会社エヌ・ティ・ティ・ドコモ CDMA mobile communication system, random access control method thereof, and base station apparatus
US6546043B1 (en) * 2000-06-29 2003-04-08 Trw Inc. Method and apparatus for cancellation of multiple access interference in a code division multiple access (CDMA) communication system

Also Published As

Publication number Publication date
GB2391747A (en) 2004-02-11
GB2391747B (en) 2006-05-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110120 AND 20110126

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20170831 AND 20170906

PE20 Patent expired after termination of 20 years

Expiry date: 20220730