GB0001874D0 - Method and system for reducing power consumption in communication devices - Google Patents

Method and system for reducing power consumption in communication devices

Info

Publication number
GB0001874D0
GB0001874D0 GBGB0001874.7A GB0001874A GB0001874D0 GB 0001874 D0 GB0001874 D0 GB 0001874D0 GB 0001874 A GB0001874 A GB 0001874A GB 0001874 D0 GB0001874 D0 GB 0001874D0
Authority
GB
United Kingdom
Prior art keywords
decoding
received signal
signal quality
power consumption
communication devices
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
GBGB0001874.7A
Other versions
GB2358767B (en
GB2358767A (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 Israel Ltd
Original Assignee
Motorola Israel 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
Application filed by Motorola Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB0001874A priority Critical patent/GB2358767B/en
Publication of GB0001874D0 publication Critical patent/GB0001874D0/en
Priority to EP01904238A priority patent/EP1192722A2/en
Priority to AU32152/01A priority patent/AU3215201A/en
Priority to PCT/IB2001/000113 priority patent/WO2001056174A2/en
Publication of GB2358767A publication Critical patent/GB2358767A/en
Application granted granted Critical
Publication of GB2358767B publication Critical patent/GB2358767B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • 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
    • H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
    • H03M13/3715—Adaptation to the number of estimated errors or to the channel state
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • 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
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • H04L1/0053—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables specially adapted for power saving
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

A method for reducing energy consumption in a digital communication system in idle mode includes the steps of: estimating a received signal quality value (80) prior to decoding of the received message packet; skipping the convolutional decoding and instead hard sample-to-bit converting (82) of the samples when received signal quality value is within a predetermined valid range, thereby producing a plurality of estimated bits; decoding the estimated bits by utilizing predetermined decoding data, when received signal quality is outside a predetermined valid range, thereby producing decoded bits. The higher power-consuming convolutional decoding is thereby avoided in favour of lower power hard sample-to-bit converting when the received signal is of sufficiently high quality.
GB0001874A 2000-01-27 2000-01-27 Method and system for reducing power consumption in communication devices Expired - Fee Related GB2358767B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0001874A GB2358767B (en) 2000-01-27 2000-01-27 Method and system for reducing power consumption in communication devices
EP01904238A EP1192722A2 (en) 2000-01-27 2001-01-29 Method and system for reducing power consumption in communication devices
AU32152/01A AU3215201A (en) 2000-01-27 2001-01-29 Method and system for reducing power consumption in communication devices
PCT/IB2001/000113 WO2001056174A2 (en) 2000-01-27 2001-01-29 Method and system for reducing power consumption in communication devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001874A GB2358767B (en) 2000-01-27 2000-01-27 Method and system for reducing power consumption in communication devices

Publications (3)

Publication Number Publication Date
GB0001874D0 true GB0001874D0 (en) 2000-03-22
GB2358767A GB2358767A (en) 2001-08-01
GB2358767B GB2358767B (en) 2002-04-24

Family

ID=9884441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0001874A Expired - Fee Related GB2358767B (en) 2000-01-27 2000-01-27 Method and system for reducing power consumption in communication devices

Country Status (4)

Country Link
EP (1) EP1192722A2 (en)
AU (1) AU3215201A (en)
GB (1) GB2358767B (en)
WO (1) WO2001056174A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2329115T3 (en) * 2002-08-13 2009-11-23 Motorola, Inc. METHOD AND DEVICE FOR DECODING MESSAGES FOR WIRELESS C OMUNICATIONS DEVICES.
US8230293B2 (en) 2005-06-29 2012-07-24 Nokia Corporation Forward error correction
ATE466414T1 (en) * 2005-06-29 2010-05-15 Nokia Corp METHOD AND DEVICE FOR OPERATING A RECEIVER WITH FORWARD ERROR CORRECTION
FR2892246B1 (en) * 2005-10-19 2008-07-04 Eads Telecom Soc Par Actions S SIGNAL RECEPTION WITH ADAPTATION OF ENERGY CONSUMPTION
US9369962B2 (en) 2010-05-17 2016-06-14 Qualcomm Incorporated Reducing idle mode power consumption for monitoring neighboring base stations
US8521237B2 (en) * 2010-08-31 2013-08-27 Qualcomm Incorporated Power saving by limiting use of advanced signal processing
US8787506B2 (en) 2012-05-04 2014-07-22 Qualcomm Incorporated Decoders and methods for decoding convolutional coded data
US8861653B2 (en) 2012-05-04 2014-10-14 Qualcomm Incorporated Devices and methods for obtaining and using a priori information in decoding convolutional coded data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144296A (en) * 1990-09-07 1992-09-01 Motorola, Inc. Adaptive battery saving controller with signal quality detecting means
US5265270A (en) * 1990-10-31 1993-11-23 Motorola, Inc. Method and apparatus for providing power conservation in a communication system
WO1992009146A1 (en) * 1990-10-31 1992-05-29 Motorola, Inc. Battery saver for a communication device
US5448756A (en) * 1992-07-02 1995-09-05 Motorola, Inc. High frequency battery saver for a radio receiver
EP0875119A4 (en) * 1995-09-25 2000-05-31 Cirrus Logic Inc Temporary equipment identifier message notification method

Also Published As

Publication number Publication date
EP1192722A2 (en) 2002-04-03
WO2001056174A3 (en) 2002-01-10
AU3215201A (en) 2001-08-07
GB2358767B (en) 2002-04-24
WO2001056174A2 (en) 2001-08-02
GB2358767A (en) 2001-08-01

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Legal Events

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

Effective date: 20090127