A computationally efficient non-coherent technique for wireless relay networks

Samer Alabed, Aymen I. Zreikat, Mohammad Al-Abed

Abstract


This article introduces a full-rate differential distributed orthogonal space-time coding technique using the amplify-and-forward protocol. The proposed technique has a markedly low encoding and decoding complexity at all transmitting and receiving terminals. Furthermore, the method does not need either differential encoding or channel state information at any transmitting or receiving terminal where the information symbols are directly transmitted. Instead, the differential detection scheme is performed at the destination terminal. In our simulations, the performance of the suggested technique is performed by computer simulations in Rayleigh fading channel, using the amplify-and-forward protocol, to show that our proposed differential technique outperforms the corresponding reference techniques

Keywords


Cooperative communication; MIMO systems; Networking protocols; Space-time coding; Wireless communications; Wireless network coding; Wireless sensor network

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DOI: http://doi.org/10.11591/ijeecs.v26.i2.pp869-877

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Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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