Cooperative transmission based on decode-and-forward relaying with partial repetition coding

Khormuji, Majid Nasiri; Larsson, Erik G.

doi:10.1109/twc.2009.070674

Cited by 68 publications

(52 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The first reference scheme (named Reference 1 in the figures) is based on fractional repetition coding cooperation [22,23]. The second reference scheme employs fractional repetition coding together with network coding (named Reference 2 in the figures).…”

Section: Numerical Resultsmentioning

confidence: 99%

“…The key difference between PARC and NCC is that the former selects two relays for cooperation, each one helping one source independently. Compared to [22,23], our proposed scheme has two main differences: (i) we analyze the system via BER, whereas these papers study the system OP, which is fundamentally different from our setting (we can obtain the actual BER for arbitrary SNR value); and (ii) we investigate RS to improve the spectral efficiency, while these papers consider single-relay networks.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Finite-SNR analysis for partial relaying cooperation with channel coding and opportunistic relay selection

Duhamel

Chatzinotas

et al. 2017

EURASIP J. Adv. Signal Process.

View full text Add to dashboard Cite

This work studies the performance of a cooperative network which consists of two channel-coded sources, multiple relays, and one destination. To achieve high spectral efficiency, we assume that a single time slot is dedicated to relaying. Conventional network-coded-based cooperation (NCC) selects the best relay which uses network coding to serve the two sources simultaneously. The bit error rate (BER) performance of NCC with channel coding, however, is still unknown. In this paper, we firstly study the BER of NCC via a closed-form expression and analytically show that NCC only achieves diversity of order two regardless of the number of available relays and the channel code. Secondly, we propose a novel partial relaying-based cooperation (PARC) scheme to improve the system diversity in the finite signal-to-noise ratio (SNR) regime. In particular, closed-form expressions for the system BER and diversity order of PARC are derived as a function of the operating SNR value and the minimum distance of the channel code. We analytically show that the proposed PARC achieves full (instantaneous) diversity order in the finite SNR regime, given that an appropriate channel code is used. Finally, numerical results verify our analysis and demonstrate a large SNR gain of PARC over NCC in the SNR region of interest.

show abstract

Section: Numerical Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Finite-SNR analysis for partial relaying cooperation with channel coding and opportunistic relay selection

Duhamel

Chatzinotas

et al. 2017

EURASIP J. Adv. Signal Process.

View full text Add to dashboard Cite

show abstract

“…The proposed scheme is based on the partial retransmissions of the source original code word at the relay and differs from that of [12] mainly by considering the use of HARQ and by exploring scenarios where multiple relays are available. In addition, to validate the analysis, simulation results using LDPC codes are carried out.…”

Section: A Main Contributionsmentioning

confidence: 99%

“…In PR, source and relay operate with the same encoder, similar to RC, but the relay forwards only a fraction of the original message, with a proper power allocation between source and relay. Theoretical results in [12] showed that PR performs quite close to PC, which makes PR very interesting from the practical point of view, since it has a lower complexity at both the relay and destination.…”

Section: Introductionmentioning

confidence: 96%

“…However, in PC, the codes need to be specifically designed for the relay channel, while the complexity at both the relay and destination increases. Recently, in [12], partial repetition coding (PR) was proposed to be used under the selective DF protocol. In PR, source and relay operate with the same encoder, similar to RC, but the relay forwards only a fraction of the original message, with a proper power allocation between source and relay.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Cooperative partial retransmission scheme in incremental decode-and-forward relaying

Brante

Souza

Pellenz

2011

J Wireless Com Network

View full text Add to dashboard Cite

In this paper, we present a novel hybrid automatic repeat request (HARQ) scheme for cooperative communication systems, called cooperative partial retransmission (CPR). The method is based on the retransmission of only a fraction of the original code word by the cooperating nodes. Based on the outage analysis, we derive the theoretical throughput expressions that are compared to numerical simulations using LDPC codes, showing that CPR outperforms regular cooperative HARQ techniques. Additionally, we show that the CPR throughput, even using a single relay, may be considerably larger than the throughput of a regular cooperative HARQ scheme using multiple relays. Finally, the energy consumption analysis of the schemes shows that CPR consumes less energy than regular cooperative HARQ, mainly due to the shorter retransmissions.

show abstract

A novel cooperative transmission scheme based on superposition coding and partial relaying

Shi

Yang

Zhu

2013

Int J Communication

View full text Add to dashboard Cite

SUMMARY This paper considered the single relay system and proposed a novel repetition coding decode‐and‐forward (DF) cooperative transmission scheme on the basis of superposition coding and partial relaying. In the proposed scheme, the link disparity due to the geometry of the relay network is emphasized, and only a fraction of the information is transmitted in relay mode with the rest being transmitted directly, which benefits from the utility of superposition coding (SC) in broadcast situation. The proposed scheme is analyzed in two cases, one assumes full channel state information at the source (full CSIS), the other with only mean gain of each link known by the source (partial CSIS). For both cases, the optimal design of system parameters is considered. We investigate the achievable rate and expected rate performance for these two cases, respectively. The proposed schemed is well compared with conventional repetition coding DF, parallel coding DF, as well as another promising superposition coding relaying. It is concluded that, by designing protocols that orients to certain network geometry, better trade‐off between performance and complexity can be obtained. The analysis reveals that the gap between conventional repetition and parallel coding is largely mitigated by the proposed scheme, quite for the scenario that the relay locates relatively but not extremely closer to the source, at moderate SNR regime for both partial and full CSIS cases. The proposed scheme becomes more beneficial in severe path loss attenuation scenario. Copyright © 2013 John Wiley & Sons, Ltd.

show abstract

Cooperative transmission based on decode-and-forward relaying with partial repetition coding

Cited by 68 publications

References 21 publications

Finite-SNR analysis for partial relaying cooperation with channel coding and opportunistic relay selection

Finite-SNR analysis for partial relaying cooperation with channel coding and opportunistic relay selection

Cooperative partial retransmission scheme in incremental decode-and-forward relaying

A novel cooperative transmission scheme based on superposition coding and partial relaying

Contact Info

Product

Resources

About