Multilevel diversity-embedded space-time codes for video broadcasting over WiMAX

Chui, Jimmy; Calderbank, A.R.

doi:10.1109/isit.2008.4595151

Cited by 8 publications

(8 citation statements)

References 15 publications

(20 reference statements)

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“…The maximum source rates the high and low reliability sub-link can support are R l,H = 0.667 Mbps and R l,L = 1.5 Mbps, respectively. For performance of codes over a single link, [4] gives the bit-error-rate (BER) performance with respect to signal-noiseratio (SNR) over quasi-static fading channel. Note that in [4], for fair comparison, the diversity-embedded codes have the same average signal power as the single-diversity codes.…”

Section: Numerical Resultsmentioning

confidence: 99%

“…Linear codes were developed in [5] and a class of non-linear multi-level codes were developed in [6]. Codes based on peaky signaling were constructed in [4]. Diversity-embedded codes allow a form of communication where the high-rate code opportunistically takes advantage of good channel realizations whereas the embedded highdiversity code ensures that at least part of the information is received reliably.…”

mentioning

confidence: 99%

See 1 more Smart Citation

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

Liu

Chiang

Calderbank

et al. 2007

IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications

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Abstract-Networks need to accommodate diverse applications with different Quality-of-Service (QoS) requirements. New ideas at the physical layer are being developed for this purpose, such as diversity embedded coding, which is a technique that combines high rates with high reliability. We address the problem of how to fully utilize different rate-reliability characteristics at the physical layer to support different types of traffic over a network and to jointly maximize their utilities.We set up a new framework based on utility maximization for networks with composite links, meaning that each link consists of sub-links that can attain different rate-reliability characteristics simultaneously. We incorporate delay, in addition to rate and reliability, into the utility functions. To accommodate different types of traffic, we propose distributed algorithms converging to the optimal rate-reliability-delay tradeoff based on capacity division and priority queueing. Numerical results show that compared with traditional codes, the new codes can provide higher network utilities for all traffic types simultaneously. The results also show that priority queueing achieves higher network utility than capacity division.

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Section: Numerical Resultsmentioning

confidence: 99%

mentioning

confidence: 99%

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

Liu

Chiang

Calderbank

et al. 2007

IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications

Self Cite

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“…More sophisticated UEP methods based on error control codes have been explored in the literature. In particular, the UEP methods using multilevel codes and multistage decoding accomplish Unequal Error Protection quite satisfactorily (Wachsmann, 1999;Chui, 2008).…”

Section: Modulation Basicsmentioning

confidence: 99%

Combined Source and Channel Strategies for Optimized Video Communications

Coudoux¹,

Corlay²,

Zwingelstein-Colin³

et al. 2010

Digital Video

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“…Suppose δ s is about 20ms, then the upper bound of the approximation error becomes 0.5ΛN |L(s)|0. 4 20…”

Section: A Voice Trafficmentioning

confidence: 99%

“…Linear codes were developed in [5] and a class of non-linear multi-level codes were developed in [6]. Codes based on peaky signaling were constructed in [4].…”

mentioning

confidence: 99%

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

Liu

Chiang

Calderbank

et al. 2009

IEEE Trans. Commun.

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Networks need to accommodate diverse applications with different Quality-of-Service (QoS) requirements. New ideas at the physical layer are being developed for this purpose, such as diversity embedded coding, which is a technique that combines high rates with high reliability. We address the problem of how to fully utilize different rate-reliability characteristics at the physical layer to support different types of traffic over a network and to jointly maximize their utilities.We set up a new framework based on utility maximization for networks with composite links, meaning that each link consists of sub-links that can attain different rate-reliability characteristics simultaneously. We incorporate delay, in addition to rate and reliability, into the utility functions. To accommodate different types of traffic, we propose distributed algorithms converging to the optimal rate-reliability-delay tradeoff based on capacity division and priority queueing. Numerical results show that compared with traditional codes, the new codes can provide higher network utilities for all traffic types simultaneously. The results also show that priority queueing achieves higher network utility than capacity division.

show abstract

Multilevel diversity-embedded space-time codes for video broadcasting over WiMAX

Cited by 8 publications

References 15 publications

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

Combined Source and Channel Strategies for Optimized Video Communications

Optimal Rate-Reliability-Delay Tradeoff in Networks with Composite Links

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