KR100748286B1 - 무선 통신의 채널 상태를 추정하는 방법, 수신기 및 디코더 - Google Patents

무선 통신의 채널 상태를 추정하는 방법, 수신기 및 디코더 Download PDF

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Publication number
KR100748286B1
KR100748286B1 KR1020017013857A KR20017013857A KR100748286B1 KR 100748286 B1 KR100748286 B1 KR 100748286B1 KR 1020017013857 A KR1020017013857 A KR 1020017013857A KR 20017013857 A KR20017013857 A KR 20017013857A KR 100748286 B1 KR100748286 B1 KR 100748286B1
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Prior art keywords
signal
noise
received
estimating
variance
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KR20020038577A (ko
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잭 엠. 홀츠만
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콸콤 인코포레이티드
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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
    • 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
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transceivers (AREA)
KR1020017013857A 1999-04-29 2000-05-01 무선 통신의 채널 상태를 추정하는 방법, 수신기 및 디코더 Expired - Fee Related KR100748286B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/301,813 US6393257B1 (en) 1999-04-29 1999-04-29 Wireless communications receiver and decoder for receiving encoded transmissions, such as transmissions using turbo codes, and estimating channel conditions
US09/301,813 1999-04-29
PCT/US2000/012028 WO2000067439A1 (en) 1999-04-29 2000-05-01 Estimation method, receiver and decoder, of channel conditions in wireless communications

Publications (2)

Publication Number Publication Date
KR20020038577A KR20020038577A (ko) 2002-05-23
KR100748286B1 true KR100748286B1 (ko) 2007-08-09

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KR1020017013857A Expired - Fee Related KR100748286B1 (ko) 1999-04-29 2000-05-01 무선 통신의 채널 상태를 추정하는 방법, 수신기 및 디코더

Country Status (10)

Country Link
US (1) US6393257B1 (enExample)
EP (1) EP1173959B1 (enExample)
JP (1) JP2003514408A (enExample)
KR (1) KR100748286B1 (enExample)
CN (1) CN1238999C (enExample)
AT (1) ATE365414T1 (enExample)
AU (1) AU4695200A (enExample)
BR (1) BR0010011A (enExample)
DE (1) DE60035269T2 (enExample)
WO (1) WO2000067439A1 (enExample)

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JP3535427B2 (ja) * 1999-11-25 2004-06-07 松下電器産業株式会社 無線通信装置
US6879648B2 (en) * 2000-01-31 2005-04-12 Texas Instruments Incorporated Turbo decoder stopping based on mean and variance of extrinsics
US6898254B2 (en) * 2000-01-31 2005-05-24 Texas Instruments Incorporated Turbo decoder stopping criterion improvement
EP1170870A4 (en) * 2000-02-15 2006-08-02 Jfe Steel Corp turbo decoder
KR100493150B1 (ko) * 2000-04-10 2005-06-02 삼성전자주식회사 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법
US6952561B1 (en) * 2000-08-31 2005-10-04 Lucent Technologies Inc. Enhanced metric for bit detection on fading channels with unknown statistics
US7099334B2 (en) * 2001-03-29 2006-08-29 Nortel Networks Limited ATM over MPLS connection establishment mechanism
US7184497B2 (en) * 2001-05-04 2007-02-27 Lucent Technologies Inc. Method of estimating a signal-to-interference+noise ratio (SINR)
US7093180B2 (en) * 2002-06-28 2006-08-15 Interdigital Technology Corporation Fast H-ARQ acknowledgement generation method using a stopping rule for turbo decoding
KR100686410B1 (ko) * 2002-08-01 2007-02-28 삼성전자주식회사 이동 통신 시스템에서 트래픽 채널과 파일럿 채널간전력비 검출 장치 및 방법
MXPA05008085A (es) * 2003-02-12 2005-09-21 Matsushita Electric Industrial Co Ltd Aparato de recepcion y metodo de recepcion.
US20040209585A1 (en) * 2003-04-17 2004-10-21 Motorola, Inc. Method and apparatus for determining an interference level on a fading channel
KR100566210B1 (ko) * 2003-09-22 2006-03-29 삼성전자주식회사 무선 통신 시스템에서 채널 할당 장치 및 방법
US7362801B2 (en) * 2003-12-18 2008-04-22 Lsi Logic Corporation Method for accurate estimation of noise for data modems
CN100391107C (zh) * 2003-12-25 2008-05-28 上海贝尔阿尔卡特股份有限公司 信道编码方法和装置以及信道译码方法和装置
US7672383B2 (en) * 2004-09-17 2010-03-02 Qualcomm Incorporated Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
CN101057475B (zh) * 2004-09-17 2013-04-17 高通股份有限公司 无线通信中用于分集合并和对数似然缩放的噪声方差估计方法和装置
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
TW200816651A (en) * 2006-09-25 2008-04-01 Sunplus Technology Co Ltd Decoding method and system of real-time wireless channel estimation
CN101179354B (zh) * 2006-11-09 2011-11-16 凌阳科技股份有限公司 一种无线通道即时估测的解码方法及系统
CN103873067B (zh) * 2014-02-26 2017-04-05 东南大学 一种用于脉冲干扰信道下Turbo码的译码方法

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US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH1117760A (ja) * 1997-06-24 1999-01-22 Sony Corp 受信装置及び送受信装置並びに通信方法
DE19736676C1 (de) * 1997-08-22 1998-12-10 Siemens Ag Verfahren zur Paketübertragung mit einem ARQ-Protokoll auf Übertragungskanälen in einem digitalen Übertragungssystem

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Performance of turbo codes in interleaved flat fading channels with estimated channel state information, Valenti et al. VTC 98. 48th IEEE Vol. 1, 18-21 May 1998 Page(s):66 - 70 *
Performance of turbo codes in interleaved flat fading channels with estimated channel state information, Valenti, M.C., Woerner, B.D., Vehicular Technology Conference, 1998. VTC 98. 48th IEEE Vol. 1, 18-21 May 1998 Page(s):66 - 70 vol.1 *
Refined channel estimation for coherent detection of turbo codes over flat-fading channels Valenti, M.C., Woerner, B.D., Electronics Letters, Vol. 34, Issue 17, 20 Aug. 1998 Page(s):1648 - 1649 *

Also Published As

Publication number Publication date
KR20020038577A (ko) 2002-05-23
CN1349699A (zh) 2002-05-15
ATE365414T1 (de) 2007-07-15
DE60035269T2 (de) 2008-02-21
BR0010011A (pt) 2004-06-29
WO2000067439A1 (en) 2000-11-09
US6393257B1 (en) 2002-05-21
AU4695200A (en) 2000-11-17
EP1173959A1 (en) 2002-01-23
JP2003514408A (ja) 2003-04-15
CN1238999C (zh) 2006-01-25
HK1043894A1 (en) 2002-09-27
EP1173959B1 (en) 2007-06-20
DE60035269D1 (de) 2007-08-02

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