Proceedings of ICC '93 - IEEE International Conference on Communications
DOI: 10.1109/icc.1993.397535
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Joint source and channel coding using a non-linear receiver

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Cited by 62 publications
(34 citation statements)
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“…The combination of power control and joint source and channel coding for wireless video has taken on an increasing importance [3,14,15]. In order to launch independently layered bitstreams to the individual antennas, a scalable video codec was adopted to generate multi-layer video bitstreams [26] where power allocation was implemented to optimize error performance according to the importance of the source layer, using unequal error protection (UEP).…”
Section: Previous Workmentioning
confidence: 99%
“…The combination of power control and joint source and channel coding for wireless video has taken on an increasing importance [3,14,15]. In order to launch independently layered bitstreams to the individual antennas, a scalable video codec was adopted to generate multi-layer video bitstreams [26] where power allocation was implemented to optimize error performance according to the importance of the source layer, using unequal error protection (UEP).…”
Section: Previous Workmentioning
confidence: 99%
“…We then calculate the set of stage decoding probabilities , using (5). The average distortion can now be evaluated from and as (10) Note that the term accounts for the fact that, with probability , none of the stage indices are decoded.…”
Section: ) Ifmentioning
confidence: 99%
“…In these cases, instead of completely rejecting unreliable indices, we decode them while taking into account their degree of reliability. The advantages of weighted decoding for the case of a full search VQ were described in, e.g., [10], [15], and [3]. Consider the following scheme where we decode all the stage indices irrespective of the level of channel noise.…”
Section: Weighted Decoding Of Stage Indicesmentioning
confidence: 99%
“…2) Other approaches, where the decoder is adapted to the current level of channel noise, are described in literature. The fact that an optimal estimate of the source vector can be obtained by direct computation as described in (9) was observed in [12], [21], [25], and [26]. A decoding strategy based on linear mapping of block codes is described in [26], while [18] investigates the use of multiresolution codebooks.…”
Section: ) Switched Encodermentioning
confidence: 99%
“…While TEA for robust vector quantization is a direct generalization of the early weighted PCM, it is also related to the more recent work on optimal design of multidimensional constellations for joint source-channel coding [21], [28]. These papers consider the joint design of a VQ and a multidimensional constellation, under an average power constraint.…”
mentioning
confidence: 99%