An ARQ Scheme with Memory and Soft Error Detectors

Benelli, G.

doi:10.1109/tcom.1985.1096291

Cited by 100 publications

(30 citation statements)

References 7 publications

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“…Diversity-combining systems are generally suboptimal with respect to code-combining systems, but are simpler to implement. These schemes are represented by the work of Sindhu [90], Benelli [98], [99], Metzner [100], [101], and Harvey and Wicker [102].…”

Section: E Hybrid-arq Protocols and Packet Combiningmentioning

confidence: 99%

Applications of ErrorControl Coding

VerdÂ¹,

McLaughlin²

2009

Information Theory

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Abstract-An overview of the many practical applications of channel coding theory in the past 50 years is presented. The following application areas are included: deep space communication, satellite communication, data transmission, data storage, mobile communication, file transfer, and digital audio/video transmission. Examples, both historical and current, are given that typify the different approaches used in each application area. Although no attempt is made to be comprehensive in our coverage, the examples chosen clearly illustrate the richness, variety, and importance of error-control coding methods in modern digital applications.

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Section: E Hybrid-arq Protocols and Packet Combiningmentioning

confidence: 99%

Applications of ErrorControl Coding

VerdÂ¹,

McLaughlin²

2009

Information Theory

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“…Chase combining is designed to work in a very noisy environment, where conventional diversity combining concepts [20][21][22] can easily break down. One feature of the combining is that the maximum-likelihood (ML) decoder will select the codeword m which maximizes the conditional probability between the received sequence r and the repeated codeword denoted by v m : Repeated codewords are transmitted over BSC channels with bit error rate p i for i ¼ 1; 2; .…”

Section: Preliminariesmentioning

confidence: 99%

Energy-efficient cluster-based cooperative FEC in wireless networks

Yi¹,

Kalyanaraman

Azimi-Sadjadi

et al. 2007

Wireless Netw

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In this article, we introduce a novel link layer cooperation technique in noisy wireless networks to improve overall system throughput and reliability, and to reduce the cost of retransmission and energy consumption. Under a cluster-based network design, Chase combining (Chase, IEEE Transactions on Communications 33 (5): [385][386][387][388][389][390][391][392][393] 1985) is used together with FEC to improve the link layer reliability. This approach is different from how combining is used in the conventional hybrid ARQ, which is in a sequential way. The analytical results and the simulations show that with the cooperation of nodes in a clustering network, the link reliability will be greatly improved with the same power consumption. We also show that not only transmission power is greatly reduced, but also the aggregate power consumption for a successful transmission and reception.

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“…HARQ exploits all received signal energy (rather than discarding some as in ARQ), which is beneficial to improve power and energy efficiency. Two basic HARQ approaches are Chase Combining (CC) [15] [16] and Incremental Redundancy (IR) [17]. The former method (maximum ratio) combines retransmissions with noisy but identical signals.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Network Coded HARQ for Multiple Unicast Flows

Larsson

Smida

Koike‐Akino

et al. 2013

IEEE Trans. Commun.

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Abstract-In this paper, we consider network coded (NCed) Hybrid-ARQ (HARQ) for multiple unicast flows. The main contribution of the paper is the derivation of throughput expression for NCed HARQ with arbitrary number of users ini.i.d. channels. We apply the result to Rayleigh fading channels for incremental redundancy (IR) and chase combining (CC) based NCed HARQ. We verify the analytical approach with simulations. We observe substantial SNR improvements over regular ARQ with network coding as well as classical (H)ARQ. The SNR gains in the high and low throughput regimes are mainly due to the network coding and HARQ aspects, respectively. For low SNRs, NCed HARQ with IR surpasses the CC performance.

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An ARQ Scheme with Memory and Soft Error Detectors

Cited by 100 publications

References 7 publications

Applications of ErrorControl Coding

Applications of ErrorControl Coding

Energy-efficient cluster-based cooperative FEC in wireless networks

Analysis of Network Coded HARQ for Multiple Unicast Flows

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