iterative joint source-channel decoding
Soft and Joint Source Channel Decoding of Quasi Arithmetic Codes
... simple source models in the ...an iterative de- coding structure in the spirit of serially concatenated turbo codes, the estimation process can then benefit from the iter- ...
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Iterative Source-Channel Decoding: Improved System Design Using EXIT Charts
... into source coding and channel ...of source and chan- nel coding usually inflicts a loss of optimality. Joint source- channel coding allows to narrow the gap to the global opti- ...
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Joint Iterative Decoding of Trellis Based VQ and TCM
... A joint video and channel coded system employing an iteratively decoded serial concatenation of a Vector Quanti- zation (VQ) based video codec and a Trellis-Coded Modulation (TCM) scheme is ...the ...
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Joint source/channel iterative arithmetic decoding with JPEG 2000 image transmission application
... in Joint Source/Channel coding and decoding, we consider the decoding problem of Arithmetic Codes ...arithmetic decoding and error correction ...arithmetic decoding ...
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LDGM Codes for Channel Coding and Joint Source-Channel Coding of Correlated Sources
... using channel codes were proposed in [12, 13, 14], and the use of turbo-like codes in this problem was proposed in [15, ...between source and channel coding holds for transmission of correlated ...
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Joint Source-Channel Decoding of Variable-Length Codes with Soft Information: A Survey
... for source coders which can be modelled as ...trellis decoding algorithms can be run on the resulting dependency ...sequential decoding with soft out- put can be applied as explained in Section ...
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Iterative decoding of JPEG coded images with channel coding
... (SISO) decoding module for VLCs was derived by applying the BCJR algo- rithm [14] to such a ...VLC source decoder can be implemented to generate soft outputs and exchange extrinsic information be- tween the ...
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Progressive Image Transmission Based on Joint Source-Channel Decoding Using Adaptive Sum-Product Algorithm
... A joint source-channel decoding method is designed to accelerate the iterative log-domain sum-product decoding procedure of LDPC codes as well as to improve the reconstructed ...
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Iterative source-channel decoding for robust image transmission
... separate source and channel ...infinite source code di- mension and infinite long channel ...separate source- channel coding (SSCC) put unrealistic constrains on the sys- tem, a ...
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Iterative Equalization and Source Decoding for Vector Quantized Sources
... various channel equalization techniques [1], which are usu- ally implemented without invoking any knowledge about the other components, such as error-control coding and source ...a joint (turbo) ...
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Iterative List Decoding of Concatenated Source-Channel Codes
... noisy channel, any channel errors will propagate and cause significant ...using channel codes, some residual errors always remain, whose effect will get magnified by er- ror ...for joint ...
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Joint Source and Channel Decoding for Variable Length Encoded Turbo Codes
... a joint source-channel coding scheme by parallel concatenating the VLC with a turbo ...symbol-level joint trellis is derived through merging a symbol-level VLC trellis with a convo- lutional ...
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A primer on equalization, decoding and non iterative joint equalization and decoding
... The source information is encoded, after which an interleaver is used to sepa- rate adjacent coded bits ...noise channel and is received by the receiver ...multipath channel and produces optimal ...
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A power and bandwidth efficient remote wireless video surveillance system using joint source-channel coding
... d f ≤ d b (4) The significance of evaluating of a VLC C is to understand its iterative decoeding performance. For Huffman codes, their of 1 means that the codes are virtually hopeless when applied to ISCD. As a ...
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Joint Optimization of Iterative Source and Channel Decoding Using Over Complete Source Mapping
... Shannon’s source and channel coding separation theorem [1] these operations may be carried out separately, following separate optimization of each ...lossy source codecs, which exploit the ...
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An Iterative Decoding Algorithm for Fusion of Multimodal Information
... Certain tasks that are very difficult to handle with uni- modal sensors might become tractable with the use of mul- timodal sensors. The limitations of audio analysis in rever- berant environments have been discussed in ...
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Joint Source, Channel Coding, and Secrecy
... in source coding (e.g., context-based coding) and channel coding ...codes). Joint source and channel coding have also been considered; while different source and channel ...
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Irregular Repeat Accumulate Codes 1
... We have introduced a class of codes, the IRA codes, that combines many of the favorable attributes of turbo codes and LDPC codes. Like turbo codes (and unlike LDPC codes), they can be encoded in linear time. Like LDPC ...
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Iterative channel equalization, channel decoding and source decoding
... the channel equalizer, the channel decoder and the source decoder, as shown in Figure ...The channel equalization and channel decoding form the inner ...the source decoder ...
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Iterative Soft Decoding of Multiple Description Image over Wireless Channel
... We use 512 × 512 grey-scale Lena test image for evaluating the performance of proposed algorithm under fol- lowing channel conditions: 1) AWGN channel with no packet loss, and 2) combined packet loss and ...
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