Cooperative relaying for interference mitigation in device to device communication

Minu, P N; Premkumar, Ch

doi:10.1109/icdse.2016.7823967

Cited by 2 publications

(2 citation statements)

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“…Besides, the channel connection of a celledge user to a base station may become worse, due to large scale path loss. Later in [25], an interference reduction scheme utilising both cooperating relaying and interference forwarding techniques shows that there is still room for improvement in the scheme proposed in [22], which regards the signals of the cooperative relaying link as interference and cannot achieve the maximum receive diversity. Along this line, unlike in the previous works reviewed above, we propose a time slot-split non-orthogonal multiple access (TSS-NOMA) scheme for FD cooperative communication systems to improve resource utilisation in this paper.…”

Section: Motivations and Contributionsmentioning

confidence: 99%

“…Besides, the channel connection of a cell‐edge user to a base station may become worse, due to large scale path loss. Later in [25], an interference reduction scheme utilising both cooperating relaying and interference forwarding techniques shows that there is still room for improvement in the scheme proposed in [22], which regards the signals of the cooperative relaying link as interference and cannot achieve the maximum receive diversity.…”

Section: Introductionmentioning

confidence: 99%

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Time slot‐split NOMA with resource allocation in full‐duplex cooperative communications

Wang

Liu

et al. 2020

IET Communications

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This paper presents a time slot‐split non‐orthogonal multiple access (TSS‐NOMA) scheme for full‐duplex (FD) cooperative communication systems to improve resource utilisation. Aiming at the problem of low bandwidth efficiency when pairing users, TSS‐NOMA divides a complete time slot into several parts to improve the pairing process. Users can occupy all bandwidths in different slots to reduce the waste of bandwidth resources. Unlike the scheme of forwarding a single signal, TSS‐NOMA decodes the information symbols of relay, and re‐encodes the messages through the new power allocation factors of successfully paired users. The hybrid symbols are sent to increase the proportion of central users' own signals received by themselves, thus improving the ergodic capacity of the system. To maximise the minimum achievable rate of the system, TSS‐NOMA optimises the power allocation at the base station, and the relay. The performance of TSS‐NOMA is verified by simulation, where numerical results show that this scheme can achieve higher spectral, and energy efficiency.

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Section: Motivations and Contributionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%