A Distributed Differential Space-Time Coding Scheme With Analog Network Coding in Two-Way Relay Networks

In this correspondence, we consider general two-way relay networks (TWRNs) with two source and N relay nodes. A distributed differential space time coding with analog network coding (DDSTC-ANC) scheme is proposed. A simple blind estimation and a differential signal detector are developed to recover...

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Bibliographic Details
Published in:IEEE transactions on signal processing Vol. 60; no. 9; pp. 4998 - 5004
Main Authors: Huo, Qiang, Song, Lingyang, Li, Yonghui, Jiao, Bingli
Format: Journal Article
Language:English
Published: New York, NY IEEE 01.09.2012
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Analog network coding
Applied sciences
Bismuth
Coding, codes
Decoding
Detection, estimation, filtering, equalization, prediction
distributed differential space-time coding
Encoding
Exact sciences and technology
Information, signal and communications theory
Network coding
Protocols
Relays
Signal and communications theory
Signal, noise
Telecommunications and information theory
two-way relay network
Vectors
Performance evaluation
Space-time codes
Packet switching
Relay
Relay network
Error probability
Signal detector
distributed differential space-time coding
Blind identification
Power allocation
Block error rate
Analog network coding
Simulation
Analytical method
Signal processing
Network coding
Signal reconstruction
two-way relay network
ISSN:1053-587X, 1941-0476
Online Access:Get full text
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Description
Summary:In this correspondence, we consider general two-way relay networks (TWRNs) with two source and N relay nodes. A distributed differential space time coding with analog network coding (DDSTC-ANC) scheme is proposed. A simple blind estimation and a differential signal detector are developed to recover the desired signal at each source. The pairwise error probability (PEP) and block error rate (BLER) of the DDSTC-ANC scheme are analyzed. Exact and simplified PEP expressions are derived. To improve the system performance, the optimum power allocation (OPA) between the source and relay nodes is determined based on the simplified PEP expression. The analytical results are verified through simulations.
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ISSN:1053-587X
1941-0476
DOI:10.1109/TSP.2012.2202654