Design of distributed collaborative space-time block codes for two-way relaying networks

Utilising the recently-developed unique factorisation of signals and distributed Alamouti coding, a distributed collaborative space-time block code design is presented for a two-way amplify-and-forward (AF) relaying network, where all nodes are equipped with a single antenna. Two asymptotic pairwise...

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Bibliographic Details
Published in:IET communications Vol. 7; no. 13; pp. 1367 - 1376
Main Authors: Gong, Fengkui, Zhang, Jian-Kang, Wang, Hui, Ge, Jianhua
Format: Journal Article
Language:English
Published: Stevenage The Institution of Engineering and Technology 01.09.2013
John Wiley & Sons, Inc
Subjects:
amplify and forward communication
asymptotic pairwise error probability
Asymptotic properties
average block error rate
Block codes
Channels
Constellations
Detectors
distributed collaborative Alamouti space‐time block code design
error statistics
fixed transmission bit rate
fixed‐gain AF
linear codes
linear‐decoding complexity
maximum likelihood detection
maximum‐likelihood detector
Networks
newly‐designed code
optimal constellation
Optimization
Rayleigh channels
recently‐developed unique factorisation
Relaying
space‐time block codes
two‐way amplify‐and‐forward relaying network
two‐way relaying networks
unity average transmission energy
variable‐gain AF
maximum likelihood detection
optimal constellation
linear codes
linear-decoding complexity
Rayleigh channels
distributed collaborative Alamouti space-time block code design
maximum-likelihood detector
two-way amplify-and-forward relaying network
amplify and forward communication
average block error rate
asymptotic pairwise error probability
two-way relaying networks
recently-developed unique factorisation
space-time block codes
variable-gain AF
newly-designed code
fixed-gain AF
unity average transmission energy
error statistics
fixed transmission bit rate
ISSN:1751-8628, 1751-8636
Online Access:Get full text
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Summary:Utilising the recently-developed unique factorisation of signals and distributed Alamouti coding, a distributed collaborative space-time block code design is presented for a two-way amplify-and-forward (AF) relaying network, where all nodes are equipped with a single antenna. Two asymptotic pairwise error probability (PEP) formulae are firstly derived for both fixed-gain AF and variable-gain AF over Rayleigh channels with the maximum-likelihood detector. Then, subject to the constraints on a fixed transmission bit rate and unity average transmission energy, the optimal constellation combinations with the optimal coefficients are attained by minimising the dominant term of PEP. It is shown that the PEP and the average block error rate of the newly-designed code are superior to those of the conventional distributed Alamouti code while the prior still has linear-decoding complexity.
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ISSN:1751-8628
1751-8636
DOI:10.1049/iet-com.2012.0782