Journal ArticleDOI
An ARQ scheme with packet combining
TLDR
A ready-to-implement ARQ scheme with packet combining with analytical description of the scheme in random error channel shows excellent agreement with simulation results and an upper bound for type-II schemes is defined.Abstract:
In an automatic repeat request (ARQ) scheme, a packet is retransmitted if it gets corrupted due to transmission errors caused by the channel. Here we describe a ready-to-implement ARQ scheme with packet combining. An analytical description of the scheme in random error channel shows excellent agreement with simulation results. An upper bound for type-II schemes is defined. For smaller packet sizes, throughput of the proposed scheme is sufficiently close to the upper bound till a very high bit error rate.read more
Citations
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Journal ArticleDOI
The throughput of hybrid-ARQ protocols for the Gaussian collision channel
Giuseppe Caire,Daniela Tuninetti +1 more
TL;DR: The throughput of automatic retransmission request (ARQ) protocols is compared to that of code division multiple access (CDMA) with conventional decoding and Interestingly, the ARQ systems are not interference-limited even if no multiuser detection or joint decoding is used, as opposed to conventional CDMA.
Proceedings ArticleDOI
Improving loss resilience with multi-radio diversity in wireless networks
TL;DR: The Multi-Radio Diversity wireless system, which uses path diversity to improve loss resilience in wireless local area networks WLANs, is described and an analysis that determines how the parameters for these algorithms should be chosen is presented.
Proceedings ArticleDOI
Beyond the bits: cooperative packet recovery using physical layer information
TL;DR: The results show that the approach reduces loss rate by up to 10x in comparison with the current approach, and significantly outperforms prior packet combining proposals.
Proceedings ArticleDOI
Datalink streaming in wireless sensor networks
TL;DR: Seda is described: a streaming datalink layer that resolves the above dilemma by decoupling framing from error recovery by increasing the TinyOS frame size from the default 29 bytes to 100 bytes, which improves the throughput around 25% under typical wireless channel conditions.
Journal ArticleDOI
An adaptive ARQ scheme with packet combining for time varying channels
TL;DR: The dependence of the efficiency of hybrid type-II ARQ schemes on the packet size in the context of a simple packet combining scheme is discussed and a very simple method of estimating the channel BER is provided.
References
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Journal ArticleDOI
Code Combining--A Maximum-Likelihood Decoding Approach for Combining an Arbitrary Number of Noisy Packets
TL;DR: The receiver adapts to the actual jammer-to-signal(J/S)ratio which is critical when the level of interference is not known a priori, and optimizes the code rate and minimizes the delay required to decode a given packet.
Journal ArticleDOI
A novel ARQ technique using the turbo coding principle
TL;DR: A novel automatic repeat request (ARQ) technique based on the turbo coding principle that uses the log-likelihood ratios generated by the decoder during a previous transmission as a priori information when decoding retransmissions is presented.
Journal ArticleDOI
A Modified Selective-Repeat Type-II Hybrid ARQ System and Its Performance Analysis
Yu-Ming Wang,Shu Lin +1 more
TL;DR: The throughput efficiency of the pure selective-repeat ARQ for any receiver buffer size can be obtained and it is shown that the modified scheme achieves the same order of reliability as a pure ARQ scheme.
Journal ArticleDOI
Retransmission Error Control with Memory
TL;DR: An error control technique that is a basic improvement over ARQ is presented, termed ARQ-with-memory (MRQ), which uses the simple idea of utilizing erroneously received blocks in an ARQ system for error control, retaining most of the other aspects of ARQ.
Journal ArticleDOI
Complementary punctured convolutional (CPC) codes and their applications
TL;DR: In this paper, a new class of punctured convolutional codes that are complementary (CPC codes) is proposed and analyzed, which is called a type III hybrid ARQ scheme.