Joint Source and Channel Block Codes
Joint design of fixed-rate source codes and multiresolution channel codes
... under channel mismatch that a code designed for a channel with high SNR performs quite poorly when the SNR ...our joint code design may not perform well in fading channels, where the SNR varies over ...
12
Concatenated Polar Codes and Joint Source-Channel Decoding
... 4. JOINT SOURCE-CHANNEL DECODING OF POLAR CODES FOR LANGUAGE BASED SOURCES ...polar codes using the natural redundancy in ...the source after compression has on average 37 ...
136
LDGM Codes for Channel Coding and Joint Source-Channel Coding of Correlated Sources
... Each source is independently encoded with a system composed of a serial concatenation of two LDGM ...For source j , the coded bits generated by the outer encoder, c j,out , and the information bits, u j , ...
12
Soft and Joint Source Channel Decoding of Quasi Arithmetic Codes
... arithmetic codes [19], and quasi-arithmetic codes with T = 4 for comparable overall ...the source correlation in- creases, the compression efficiency of the arithmetic coder increases; soft ...
19
Joint design of fixed-rate source codes and UEP channel codes for fading channels
... The goal of our joint code design is to minimize the expected distortion D = E:d(g,g)] of the COVQ and RCPC codes, where the expectation is with respect to the source [r] ...
5
Joint Source and Channel Decoding for Variable Length Encoded Turbo Codes
... the joint iterative decoding with the bit-level super trellis at low SER level at high SNR level after the 4th iteration or the 8th ...Huffman codes, the bit-level super trellis decoding yields better decod- ...
7
connection optimization of joint source and channel coding based on protograph LDPC codes
... D-LDPC codes is sensitive to the source ...Commonly, source compression coding affects the performance in the error floor region while channel coding affects the performance in the water fall ...
17
Joint Source-Channel Decoding of Variable-Length Codes with Soft Information: A Survey
... the source-channel coding ...turbo codes [42, ...for source coders which can be modelled as ...the source coder is separated into two separate graphs exchanging information along a ...
22
Distributed joint source channel code design for GMAC using irregular LDPC codes
... SI-LDPC codes has been devel- oped. For EXIT analysis of the joint BP decoder for two sources, the accurate modeling of the density function of the outgoing LLRs from factor nodes in the com- bined factor ...
15
Joint Source, Channel Coding, and Secrecy
... of joint source coding, channel coding, and ...practical joint schemes: the first one is based on error-correcting randomized arithmetic codes, while the second one employs turbo ...
7
SHORT BLOCK LENGTH LDPC CODES FOR TC SYNCHRONIZATION AND CHANNEL CODING
... LDPC CODES OVER GF(256) BY DIVSALAR AND DOLECEK Divsalar and Dolecek have pursued protograph constructions for non-binary LDPC codes, much as described in ...binary codes, protograph performance in ...
39
JOINT SOURCE-CHANNEL MATCHING FOR JAMMING AND FADING USING AN OFDM VARIABLE QOS SOURCE-CHANNEL DESIGN
... (VQoS) joint source- modulation ...of channel coding or channel-optimized ...robust source encoder, make the proposed system very attractive for small, portable electronic SDR ...The ...
6
On the Design and Analysis of Shannon-Kotel’nikov Mappings for Joint-Source-Channel Coding
... Entropy codes which have variable length codewords are highly sensitive to bit-errors and will render further decoding impossible unless powerful chan- nel codes are used, and resynchronization markers are ...
155
Iterative joint design of source codes and multiresolution channel codes
... We compare the distortion of our joint iterative design with that of two suboptimal design techniques: COVQ opti- mized for a given equal-error-protection convolutional chan[r] ...
5
Low-complexity joint channel estimation and list decoding of short codes
... I. I NTRODUCTION The interest in designing wireless communication systems with short information blocks, up to a few tens of bits, has been increasing recently due to the rise of applications characterized by strict ...
5
Joint Optimization of Iterative Source and Channel Decoding Using Over Complete Source Mapping
... V. C ONCLUSIONS Novel over-complete source-encoding mapping schemes were pro- posed for ISCD. It was found that the error correcting capability of the resultant ISCD scheme has been significantly improved. More ...
5
Distributed joint source channel coding for relay systems exploiting source relay correlation and source memory
... is first interleaved by 0 and then encoded following the same encoding process as in the originating node with a doping rate K r to generate the coded sequence x r . Errors may occur between u and u r , as shown in Figure ...
13
Joint design of vector quantizers and RCPC channel codes for Rayleigh fading channels
... The VQ used in the iterative de- sign is a Channel-Optimized Vector Quantizer (COVQ) that has been optimized for the index crossover proba- bilities of the RCPC channel code desig[r] ...
5
Joint design of vector quantizers and RCPC channel codes for Rayleigh fading channels
... The VQ used in the iterative de- sign is a Channel-Optimized Vector Quantizer (COVQ) that has been optimized for the index crossover proba- bilities of the RCPC channel code desig[r] ...
5
Joint source-channel coding with feedback
... Energy-limited codes are the subject of Section ...arbitrary source vector over the AWGN channel is studied in Section ...of channel uses per source sample, we limit the total available ...
14