GB2344731B - Performing signal decision in a communication system - Google Patents

Performing signal decision in a communication system

Info

Publication number
GB2344731B
GB2344731B GB0006293A GB0006293A GB2344731B GB 2344731 B GB2344731 B GB 2344731B GB 0006293 A GB0006293 A GB 0006293A GB 0006293 A GB0006293 A GB 0006293A GB 2344731 B GB2344731 B GB 2344731B
Authority
GB
United Kingdom
Prior art keywords
communication system
performing signal
signal decision
decision
communication
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.)
Expired - Fee Related
Application number
GB0006293A
Other versions
GB0006293D0 (en
GB2344731A (en
Inventor
Hiroshi Katsuragawa
Shigeru Ono
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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
Priority claimed from JP22653695A external-priority patent/JP3280834B2/en
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of GB0006293D0 publication Critical patent/GB0006293D0/en
Publication of GB2344731A publication Critical patent/GB2344731A/en
Application granted granted Critical
Publication of GB2344731B publication Critical patent/GB2344731B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/3961—Arrangements of methods for branch or transition metric calculation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4107—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing add, compare, select [ACS] operations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H03M13/4161—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management
    • H03M13/4169—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing path management using traceback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
GB0006293A 1995-09-04 1996-08-23 Performing signal decision in a communication system Expired - Fee Related GB2344731B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22653695A JP3280834B2 (en) 1995-09-04 1995-09-04 Signal judging device and receiving device in coded communication system, signal judging method, and channel state estimating method
GB9617695A GB2305088B (en) 1995-09-04 1996-08-23 Method and device for performing signal decision in a communication system

Publications (3)

Publication Number Publication Date
GB0006293D0 GB0006293D0 (en) 2000-05-03
GB2344731A GB2344731A (en) 2000-06-14
GB2344731B true GB2344731B (en) 2000-07-26

Family

ID=26309914

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0006304A Expired - Fee Related GB2344733B (en) 1995-09-04 1996-08-23 Performing signal decision in a communication system
GB0006303A Expired - Fee Related GB2344732B (en) 1995-09-04 1996-08-23 Performing signal decision in a communication system
GB0006293A Expired - Fee Related GB2344731B (en) 1995-09-04 1996-08-23 Performing signal decision in a communication system

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0006304A Expired - Fee Related GB2344733B (en) 1995-09-04 1996-08-23 Performing signal decision in a communication system
GB0006303A Expired - Fee Related GB2344732B (en) 1995-09-04 1996-08-23 Performing signal decision in a communication system

Country Status (1)

Country Link
GB (3) GB2344733B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100336397C (en) * 2002-05-07 2007-09-05 美商内数位科技公司 Generation of user equipment identification specific scrambling code for high speed shared control channel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3438778B2 (en) * 2000-05-09 2003-08-18 日本電気株式会社 W-CDMA transmission rate estimation method and apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111483A (en) * 1989-08-07 1992-05-05 Motorola, Inc. Trellis decoder
WO1995001032A1 (en) * 1993-06-18 1995-01-05 Qualcomm Incorporated Method and apparatus for determining the data rate of a received signal
US5414738A (en) * 1993-11-09 1995-05-09 Motorola, Inc. Maximum likelihood paths comparison decoder
US5434886A (en) * 1992-01-24 1995-07-18 Hitachi, Ltd. Digital communication system
WO1997005717A1 (en) * 1995-07-25 1997-02-13 Motorola Inc. Apparatus and method for rate determination in on-off variable-rate communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847871A (en) * 1987-01-28 1989-07-11 Matsushita Electric Industrial Co., Ltd. Viterbi detector for digital signal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111483A (en) * 1989-08-07 1992-05-05 Motorola, Inc. Trellis decoder
US5434886A (en) * 1992-01-24 1995-07-18 Hitachi, Ltd. Digital communication system
WO1995001032A1 (en) * 1993-06-18 1995-01-05 Qualcomm Incorporated Method and apparatus for determining the data rate of a received signal
US5414738A (en) * 1993-11-09 1995-05-09 Motorola, Inc. Maximum likelihood paths comparison decoder
WO1997005717A1 (en) * 1995-07-25 1997-02-13 Motorola Inc. Apparatus and method for rate determination in on-off variable-rate communication systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100336397C (en) * 2002-05-07 2007-09-05 美商内数位科技公司 Generation of user equipment identification specific scrambling code for high speed shared control channel

Also Published As

Publication number Publication date
GB2344732A (en) 2000-06-14
GB2344733A (en) 2000-06-14
GB2344732B (en) 2000-07-26
GB0006293D0 (en) 2000-05-03
GB0006303D0 (en) 2000-05-03
GB2344731A (en) 2000-06-14
GB2344733B (en) 2000-07-26
GB0006304D0 (en) 2000-05-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020823