Parallel Two-Way Relaying in Cooperative OFDMA Cellular Systems

Sai Jin; Ping Li

doi:10.1109/TSP.2015.2474308

Parallel Two-Way Relaying in Cooperative OFDMA Cellular Systems

Sai Jin, Ping Li

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

2 Citations (Scopus)

Abstract

We consider a parallel two-way relaying orthogonal frequency division multiple access (PTWR-OFDMA) scheme based on analog network coding in which mobile terminals (MTs) are divided into near-nodes (NNs) and far-nodes (FNs). An NN communicates with the base station (BS) directly while an FN communicates indirectly via the assistance of NNs. We study the design and analysis issues for PTWR-OFDMA. The proposed scheme has some noticeable advantages. First, the throughput of PTWR-OFDMA increases like, In K, much higher than that of In In K in conventional OFDMA (K is the number of MTs). Second, PTWR-OFDMA can provide much better fairness than conventional OFDMA. Third, the power overhead per NN reduces quickly when K increases if there is a peak rate limitation, implying that there is no strong incentive for some users to avoid providing relaying.

Original language	English
Pages (from-to)	48-59
Journal	IEEE Transactions on Signal Processing
Volume	64
Issue number	1
Online published	28 Aug 2015
DOIs	https://doi.org/10.1109/TSP.2015.2474308
Publication status	Published - 1 Jan 2016

Funding

The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Min Dong. This work was jointly supported by two grants from the University Grants Committee of the Hong Kong Special Administrative Region, China (Projects AoE/E-02/08 and CityU 11208114). This work appeared in part in the Proceedings of the IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, Hong Kong, 2015.

Research Keywords

Analog network coding
cooperative communication
OFDMA
two-way relaying
EFFICIENT PROTOCOLS
NETWORKS
CHANNEL
OPTIMIZATION
FEEDBACK

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title = "Parallel Two-Way Relaying in Cooperative OFDMA Cellular Systems",

abstract = "We consider a parallel two-way relaying orthogonal frequency division multiple access (PTWR-OFDMA) scheme based on analog network coding in which mobile terminals (MTs) are divided into near-nodes (NNs) and far-nodes (FNs). An NN communicates with the base station (BS) directly while an FN communicates indirectly via the assistance of NNs. We study the design and analysis issues for PTWR-OFDMA. The proposed scheme has some noticeable advantages. First, the throughput of PTWR-OFDMA increases like, In K, much higher than that of In In K in conventional OFDMA (K is the number of MTs). Second, PTWR-OFDMA can provide much better fairness than conventional OFDMA. Third, the power overhead per NN reduces quickly when K increases if there is a peak rate limitation, implying that there is no strong incentive for some users to avoid providing relaying.",

keywords = "Analog network coding, cooperative communication, OFDMA, two-way relaying, EFFICIENT PROTOCOLS, NETWORKS, CHANNEL, OPTIMIZATION, FEEDBACK",

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AU - Li, Ping

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N2 - We consider a parallel two-way relaying orthogonal frequency division multiple access (PTWR-OFDMA) scheme based on analog network coding in which mobile terminals (MTs) are divided into near-nodes (NNs) and far-nodes (FNs). An NN communicates with the base station (BS) directly while an FN communicates indirectly via the assistance of NNs. We study the design and analysis issues for PTWR-OFDMA. The proposed scheme has some noticeable advantages. First, the throughput of PTWR-OFDMA increases like, In K, much higher than that of In In K in conventional OFDMA (K is the number of MTs). Second, PTWR-OFDMA can provide much better fairness than conventional OFDMA. Third, the power overhead per NN reduces quickly when K increases if there is a peak rate limitation, implying that there is no strong incentive for some users to avoid providing relaying.

AB - We consider a parallel two-way relaying orthogonal frequency division multiple access (PTWR-OFDMA) scheme based on analog network coding in which mobile terminals (MTs) are divided into near-nodes (NNs) and far-nodes (FNs). An NN communicates with the base station (BS) directly while an FN communicates indirectly via the assistance of NNs. We study the design and analysis issues for PTWR-OFDMA. The proposed scheme has some noticeable advantages. First, the throughput of PTWR-OFDMA increases like, In K, much higher than that of In In K in conventional OFDMA (K is the number of MTs). Second, PTWR-OFDMA can provide much better fairness than conventional OFDMA. Third, the power overhead per NN reduces quickly when K increases if there is a peak rate limitation, implying that there is no strong incentive for some users to avoid providing relaying.

KW - Analog network coding

KW - cooperative communication

KW - OFDMA

KW - two-way relaying

KW - EFFICIENT PROTOCOLS

KW - NETWORKS

KW - CHANNEL

KW - OPTIMIZATION

KW - FEEDBACK

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JO - IEEE Transactions on Signal Processing

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Parallel Two-Way Relaying in Cooperative OFDMA Cellular Systems

Abstract

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Research Keywords

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GRF: Throughput Improvement for Random Access Systems via Randomized Power Control

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