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检索条件"主题词=Convolutional coding"
225 条 记 录,以下是81-90 订阅
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Turbo equalization
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IEEE SIGNAL PROCESSING MAGAZINE 2004年 第1期21卷 67-80页
作者: Koetter, R Singer, AC Tüchler, M Univ Illinois Coordinated Sci Lab Urbana IL 61801 USA Univ Illinois Dept Elect & Comp Engn Urbana IL 61801 USA Tech Univ Munich Inst Commun Engn D-8000 Munich Germany
Turbo equalization is an iterative equalization and decoding technique that can achieve equally impressive performance gains for communication systems that send digital data over channels that require equalization, i.... 详细信息
来源: 评论
Duality of channel encoding and decoding - Part I: rate-1 binary convolutional codes
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TRANSACTIONS ON EMERGING TELECOMMUNICATIONS TECHNOLOGIES 2016年 第5期27卷 698-715页
作者: Li, Yonghui You, Qimin Liew, Soung C. Vucetic, Branka Univ Sydney Sch Elect & Informat Engn Sydney NSW 2006 Australia Chinese Univ Hong Kong Dept Informat Engn Hong Kong Hong Kong Peoples R China
In this paper, we revisit the forward, backward and bidirectional Bahl-Cocke-Jelinek-Raviv (BCJR) soft-input soft-output (SISO) maximum a posteriori probability (MAP) decoding process of rate-1 binary convolutional co... 详细信息
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ERROR PROBABILITIES OF FAST FREQUENCY-HOPPED MFSK WITH NOISE-NORMALIZATION COMBINING IN A FADING CHANNEL WITH PARTIAL-BAND INTERFERENCE
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IEEE TRANSACTIONS ON COMMUNICATIONS 1992年 第2期40卷 404-412页
作者: ROBERTSON, RC HA, TT Department of Electrical and Computer Engineering Code EC/RC Naval Postgraduate School Monterrey CA USA
An error probability analysis is performed for an Mary orthogonal frequency-shift keying (MFSK) communication system employing fast frequency-hopped (FFH) spread spectrum waveforms transmitted over a frequency-nonsele... 详细信息
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POWER AND SPECTRALLY EFFICIENT SFH-FQPSK FOR PCS APPLICATIONS
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 1994年 第3期43卷 795-800页
作者: GUO, YP FEHER, K UNIV CALIF DAVIS DIGCOM INCDEPT ELECT ENGNDAVIS & CONSULTING GRPDAVISCA 95616
A power and spectrally efficient slow frequency hopping FQPSK (SFH-FQPSK) is proposed for future personal communications systems (PCS). We apply the constant envelope FQPSK modem/radio architecture (Filtered QPSK [7])... 详细信息
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Spread spectrum multiple-access with DPSK modulation and diversity for image transmission over indoor radio multipath fading channels
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IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1996年 第2期6卷 200-214页
作者: Wang, BC Chang, PR Department of Communication Engineering National Chiao Tung University Hsinchu Taiwan
As demand for networked multimedia applications is increasing rapidly, it is important to provide the ubiquitous accessibility for these services in wireless communication environment, Such access allows users to shar... 详细信息
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Analysis and performance of bidirectional decoding of convolutional codes over fading channels
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IEEE TRANSACTIONS ON COMMUNICATIONS 1998年 第10期46卷 1292-1300页
作者: Belzile, J Gagnon, F Haccoun, D Ecole Technol Super Dept Elect Engn Montreal PQ H2T 2C8 Canada Ecole Polytech Dept Elect & Comp Engn Montreal PQ H3C 3A7 Canada
In this paper, the performance of suboptimal convolutional decoding over fading channels is explored. The suboptimal decoding algorithm used is the bidirectional algorithm. By estimating a "decoder weight spectru... 详细信息
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PERFORMANCE OF A SATELLITE MODEM TRANSMITTING convolutionalLY AND DIFFERENTIALLY ENCODED 8PSK SIGNALS
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INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS 1993年 第1期11卷 19-32页
作者: CLARK, AP CHEUNG, SW LOUGHBOROUGH UNIV TECHNOL DEPT ELECT & ELECTR ENGNLOUGHBOROUGH LE11 3TULEICSENGLAND
The paper studies a digital satellite modem for mobile systems. The modem transmits a convolutionally and differentially encoded eight-phase-shift-keyed (CDE8PSK) signal over a satellite link and employs a near-maximu... 详细信息
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Coded continuous phase modulation with low-complexity noncoherent reception
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IEEE TRANSACTIONS ON COMMUNICATIONS 2002年 第4期50卷 517-520页
作者: Lampe, LHJ Schober, R Enzner, G Huber, JB Univ Erlangen Nurnberg D-91058 Erlangen Germany Univ Toronto Dept Elect & Comp Engn Toronto ON M5S 3G4 Canada Rhein Westfal TH Aachen Inst Commun Syst & Data Proc D-52056 Aachen Germany
Coded continuous phase modulation based on a feedback-free modulator with noncoherent detection is discussed. Low-complexity receiver processing is achieved by using only two or three linear filters for demodulation a... 详细信息
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Medical image transmission over a GSM cellular system
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ELECTRONICS LETTERS 2000年 第16期36卷 1367-1368页
作者: Perez-Sevilla, JJ McLernon, DC Univ Leeds Sch Elect & Elect Engn Inst Integrated Informat Syst Leeds LS2 9JT W Yorkshire England
This authors report on an investigation of possible source/channel coders for medical image transmission over a GSM cellular link. Two source coders (JPEG and EZW) and two channel coders (convolutional and turbo codes... 详细信息
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A constraint-length based modified Viterbi algorithm with adaptive effort
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IEEE TRANSACTIONS ON COMMUNICATIONS 1999年 第11期47卷 1611-1614页
作者: Feldmann, C Harris, JH San Diego State Univ Dept Elect & Comp Engn San Diego CA 92182 USA
A modified Viterbi algorithm for convolutional codes is described that provides for signal-to-noise ratio (SNR) adaptive computational effort. The algorithm has three levels of prioritized effort. Movement from one le... 详细信息
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