Distributed Orthogonal and Quasi-Orthogonal Space-Time Block Code with Embedded AAF/DAF Matrix Elements in Wireless Relay Networks with Four Relays

Authors:
Shu-Ming Tseng;Che-Ying Liao
Affiliations:
Department of Electronic Engineering, National Taipei University of Technology, Taipei, Taiwan 106;Department of Electronic Engineering, National Taipei University of Technology, Taipei, Taiwan 106
Venue:
Wireless Personal Communications: An International Journal
Year:
2014

Citing 8
Cited 0

Design and Performance Analysis of Quasi-Orthogonal Space-Time Block Codes for Four Antennae

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Sequential detection for multiuser MIMO CDMA systems with single spreading code per user

IEEE Transactions on Wireless Communications
Space-time block codes from orthogonal designs

IEEE Transactions on Information Theory
Distributed space-time-coded protocols for exploiting cooperative diversity in wireless networks

IEEE Transactions on Information Theory
Using Orthogonal and Quasi-Orthogonal Designs in Wireless Relay Networks

IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications

IEEE Journal on Selected Areas in Communications
From theory to practice: an overview of MIMO space-time coded wireless systems

IEEE Journal on Selected Areas in Communications
A distributed quasi-orthogonal space time block code for cooperative communication with information exchange errors for decode-and-forward relay networks

ICOIN '13 Proceedings of the 2013 International Conference on Information Networking (ICOIN)

Quantified Score

Hi-index	0.00

Visualization

Abstract

We consider cooperative networks of one source, four relays, and one destination. Each of them has a single antenna. The four relays use a proposed full rate distributed quasi orthogonal space time block code (DQOSTBC) scheme. If the channel state between the source and a relay is above a threshold, we select the elements of the DQOSTBC matrix to be the decode-and-forward (DAF) type; if it is below the threshold, the corresponding elements are the amplify-and-forward (AAF) type. Thus the proposed scheme is a DQOSTBC matrix with embedded adaptive DAF/AAF elements. The bit error rate (BER) simulation results show that the proposed DQOSTBC is approximately 7 dB better than the traditional DQOSTBC (all matrix elements are fixed as DAF type) at a BER of $$10^{-3}$$ 10 - 3 because traditional DQOSTBC loses full diversity due to errors in the information received. The proposed DQOSTBC is about 3 dB better than the rate 1/2 DOSTBC also proposed with adaptive DAF/AAF matrix elements at a BER of $$10^{-3}$$ 10 - 3 at the same spectral efficiency of 2 bits/s/Hz.