A low complexity distributed differential scheme based on orthogonal space time block coding for decode-and-forward wireless relay networks

This work proposes a new differential cooperative diversity scheme with high data rate and low decoding complexity using the decode-and-forward protocol. The proposed model does not require either differential encoding or channel state information at the source node, relay nodes, or destination node...

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Bibliographic Details
Published in:International journal of electrical and computer engineering (Malacca, Malacca) Vol. 13; no. 1; p. 1180
Main Authors: Alabed, Samer, Mostafa, Nour, Fouad Aly, Wael Hosny, Al-Rabayah, Mohammad
Format: Journal Article
Language:English
Published: Yogyakarta IAES Institute of Advanced Engineering and Science 01.02.2023
Subjects:
Antennas
Block codes
Complexity
Computer simulation
Cooperation
Decoding
Engineering
Nodes
Random variables
Relay networks
Spacetime
Transmitters
ISSN:2088-8708, 2722-2578, 2088-8708
Online Access:Get full text
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Summary:This work proposes a new differential cooperative diversity scheme with high data rate and low decoding complexity using the decode-and-forward protocol. The proposed model does not require either differential encoding or channel state information at the source node, relay nodes, or destination node where the data sequence is directly transmitted and the differential detection method is applied at the relay nodes and the destination node. The proposed technique enjoys a low encoding and decoding complexity at the source node, the relay nodes, and the destination node. Furthermore, the performance of the proposed strategy is analyzed by computer simulations in quasi-static Rayleigh fading channel and using the decode-and-forward protocol. The simulation results show that the proposed differential technique outperforms the corresponding reference strategies.
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ISSN:2088-8708
2722-2578
2088-8708
DOI:10.11591/ijece.v13i1.pp1180-1188