CN101114889A - Wlan接收机内的信号处理方法和系统 - Google Patents
Wlan接收机内的信号处理方法和系统 Download PDFInfo
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- CN101114889A CN101114889A CNA2007101398548A CN200710139854A CN101114889A CN 101114889 A CN101114889 A CN 101114889A CN A2007101398548 A CNA2007101398548 A CN A2007101398548A CN 200710139854 A CN200710139854 A CN 200710139854A CN 101114889 A CN101114889 A CN 101114889A
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- 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
- 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
- H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
-
- 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
- H03M13/3746—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding
-
- 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
- H03M13/63—Joint error correction and other techniques
-
- 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
- H03M13/63—Joint error correction and other techniques
- H03M13/6312—Error control coding in combination with data compression
-
- 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
- H03M13/65—Purpose and implementation aspects
- H03M13/6522—Intended application, e.g. transmission or communication standard
- H03M13/6527—IEEE 802.11 [WLAN]
-
- 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
- H04L1/0047—Decoding adapted to other signal detection operation
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
-
- 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
- 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
- H04L1/0059—Convolutional codes
Abstract
Description
候选 | Test(1) | Test(2) | Test(3) | Test(4) |
S1 | T_SC(1,1)<0 | T_SC(1,2)<0 | T_SC(1,3)<0 | T_SC(1,4)<0 |
S2 | T_SC(2,1)<0 | T_SC(2,2)>0 | T_SC(2,3)<0 | T_SC(2,4)<0 |
S3 | T_SC(3,1)<0 | T_SC(3,2)<0 | T_SC(3,3)<0 | T_SC(3,4)<0 |
S4 | T_SC(4,1)<0 | T_SC(4,2)<0 | T_SC(4,3)<0 | T_SC(4,4)>0 |
S5 | T_SC(5,1)<0 | T_SC(5,2)<0 | T_SC(5,3)<0 | T_SC(5,4)<0 |
具有最小成绩的比特序列 | S3 | S5 | S3 | S3 |
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/492,390 | 2006-07-25 | ||
US11/492,390 US7877674B2 (en) | 2006-07-25 | 2006-07-25 | Method and system for redundancy-based decoding of voice content in a wireless LAN system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101114889A true CN101114889A (zh) | 2008-01-30 |
CN101114889B CN101114889B (zh) | 2011-02-09 |
Family
ID=38695526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101398548A Active CN101114889B (zh) | 2006-07-25 | 2007-07-23 | Wlan接收机内的信号处理方法和系统 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7877674B2 (zh) |
EP (1) | EP1883177A3 (zh) |
KR (1) | KR100943856B1 (zh) |
CN (1) | CN101114889B (zh) |
HK (1) | HK1116950A1 (zh) |
TW (1) | TWI379542B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7706481B2 (en) * | 2004-08-20 | 2010-04-27 | Broadcom Corporation | Method and system for improving reception in wired and wireless receivers through redundancy and iterative processing |
US7587211B2 (en) * | 2005-12-21 | 2009-09-08 | Broadcom Corporation | Method and system for adaptive multi rate (AMR) and measurements downlink adaptation |
KR101221913B1 (ko) * | 2006-12-20 | 2013-01-15 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
US8681757B2 (en) | 2009-11-09 | 2014-03-25 | Lg Electronics Inc. | Method and apparatus for transmitting PLCP frame in wireless local area network system |
US11902068B2 (en) | 2009-11-09 | 2024-02-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transmitting PLCP frame in wireless local area network system |
CN101950008B (zh) * | 2010-10-11 | 2012-07-11 | 威胜集团有限公司 | 远程动态监测电能计量负荷的方法 |
TWI578763B (zh) * | 2013-02-28 | 2017-04-11 | 英特爾股份有限公司 | 編碼單元位元數限制 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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CA2020899C (en) * | 1989-08-18 | 1995-09-05 | Nambirajan Seshadri | Generalized viterbi decoding algorithms |
US5230003A (en) * | 1991-02-08 | 1993-07-20 | Ericsson-Ge Mobile Communications Holding, Inc. | Decoding system for distinguishing different types of convolutionally-encoded signals |
JPH07273695A (ja) * | 1994-01-24 | 1995-10-20 | Yair Maryanka | 直流導線を介する音声、音楽、映像、データの伝送 |
JP3090842B2 (ja) * | 1994-04-28 | 2000-09-25 | 沖電気工業株式会社 | ビタビ復号法に適応した送信装置 |
CA2131242C (en) * | 1994-08-31 | 1999-02-16 | Masao Ikekawa | Apparatus for error-correct decoding in a digital data communications system |
JP3528989B2 (ja) * | 1995-01-20 | 2004-05-24 | ソニー株式会社 | データ多重化装置、データ多重化方法、多重化データ処理装置および多重化データ処理方法 |
US6226612B1 (en) * | 1998-01-30 | 2001-05-01 | Motorola, Inc. | Method of evaluating an utterance in a speech recognition system |
FR2809249B1 (fr) * | 2000-05-16 | 2004-04-23 | France Telecom | Procede et systeme de detection et de decodage iteratif de symboles recus, couple a une reestimation des coefficients du canal de transmission |
US7127664B2 (en) | 2000-09-18 | 2006-10-24 | Lucent Technologies Inc. | Reconfigurable architecture for decoding telecommunications signals |
KR100375824B1 (ko) | 2000-12-20 | 2003-03-15 | 한국전자통신연구원 | 무선 lan 시스템에서 가변 데이터 속도를 지원하는ofdm 변복조 장치 및 방법 |
JP3719602B2 (ja) * | 2002-06-07 | 2005-11-24 | ソニー株式会社 | ビデオテープレコーダ及び記録方法 |
US6832195B2 (en) * | 2002-07-03 | 2004-12-14 | Sony Ericsson Mobile Communications Ab | System and method for robustly detecting voice and DTX modes |
US6862552B2 (en) * | 2003-01-15 | 2005-03-01 | Pctel, Inc. | Methods, apparatus, and systems employing soft decision decoding |
US7246298B2 (en) | 2003-11-24 | 2007-07-17 | Via Technologies, Inc. | Unified viterbi/turbo decoder for mobile communication systems |
EP1566914A3 (de) * | 2004-02-18 | 2011-05-04 | Siemens Aktiengesellschaft | Verfahren zum Verbessern der Qualität einer Sprachübertragung über eine Luftschnittstelle |
US7716565B2 (en) * | 2004-08-20 | 2010-05-11 | Broadcom Corporation | Method and system for decoding video, voice, and speech data using redundancy |
CN100433836C (zh) | 2004-08-20 | 2008-11-12 | 美国博通公司 | 使用冗余对视/音频和语音数据进行解码的方法和系统 |
US7562278B2 (en) * | 2005-12-29 | 2009-07-14 | Intel Corporation | Incremental forward error correction redundancy |
US20080025300A1 (en) * | 2006-07-31 | 2008-01-31 | Texas Instruments Incorporated | Method and/or apparatus for enabling voice packet redundancy |
-
2006
- 2006-07-25 US US11/492,390 patent/US7877674B2/en active Active
-
2007
- 2007-03-22 EP EP20070005955 patent/EP1883177A3/en not_active Withdrawn
- 2007-07-23 CN CN2007101398548A patent/CN101114889B/zh active Active
- 2007-07-25 TW TW096127120A patent/TWI379542B/zh not_active IP Right Cessation
- 2007-07-25 KR KR1020070074502A patent/KR100943856B1/ko not_active IP Right Cessation
-
2008
- 2008-06-30 HK HK08107239.8A patent/HK1116950A1/xx not_active IP Right Cessation
-
2011
- 2011-01-12 US US13/005,247 patent/US8145982B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWI379542B (en) | 2012-12-11 |
US20110110352A1 (en) | 2011-05-12 |
US20080052604A1 (en) | 2008-02-28 |
US8145982B2 (en) | 2012-03-27 |
EP1883177A2 (en) | 2008-01-30 |
KR100943856B1 (ko) | 2010-02-24 |
CN101114889B (zh) | 2011-02-09 |
HK1116950A1 (en) | 2009-01-02 |
EP1883177A3 (en) | 2012-07-25 |
US7877674B2 (en) | 2011-01-25 |
TW200826541A (en) | 2008-06-16 |
KR20080010327A (ko) | 2008-01-30 |
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Effective date of registration: 20180503 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Alton Park Road, Irvine, California, 16215, 92618-7013 Patentee before: Zyray Wireless Inc. |
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