
FOLLOWUS
College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
[ "Shun-wai ZHANG, E-mail: zhshwa@163.com" ]
Feng-fan YANG, E-mail: yffee@nuaa.edu.cn
[ "Lei TANG, E-mail: tanglei811019@163.com" ]
收稿:2012-06-27,
修回:2012-12-;3,
纸质出版:2013-01
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An LDPC coded cooperative MIMO scheme over Rayleigh fading channels with unknown channel state information[J]. 信息与电子工程前沿(英文), 2013,14(1):30-41.
Shun-wai ZHANG, Feng-fan YANG, Lei TANG. An LDPC coded cooperative MIMO scheme over Rayleigh fading channels with unknown channel state information[J]. Frontiers of Information Technology & Electronic Engineering, 2013, 14(1): 30-41.
An LDPC coded cooperative MIMO scheme over Rayleigh fading channels with unknown channel state information[J]. 信息与电子工程前沿(英文), 2013,14(1):30-41. DOI: 10.1631/jzus.C1200207.
Shun-wai ZHANG, Feng-fan YANG, Lei TANG. An LDPC coded cooperative MIMO scheme over Rayleigh fading channels with unknown channel state information[J]. Frontiers of Information Technology & Electronic Engineering, 2013, 14(1): 30-41. DOI: 10.1631/jzus.C1200207.
This paper describes a coded cooperative multiple-input multiple-output (MIMO) scheme
where structured low-density parity-check (LDPC) codes belonging to a family of repeat-accumulate (RA) codes are employed. The outage probability of the scheme over Rayleigh fading channels is deduced. In an unknown channel state information (CSI) scenario
adaptive transversal filters based on a spatio-temporal recursive least squares (ST-RLS) algorithm are adopted in the destination to realize receive diversity gain. Also
a joint 'Min-Sum' iterative decoding is effectively carried out in the destination. Such a decoding algorithm agrees with the bilayer Tanner graph that can be used to fully characterize two distinct structured LDPC codes employed by the source and relay. Simulation results verify the effectiveness of the adopted filter in the coded cooperative MIMO scheme. Theoretical analysis and numerical simulations show that the LDPC coded cooperative MIMO scheme can well combine cooperation diversity
multi-receive diversity
and channel coding gains
and clearly outperforms coded noncooperation schemes under the same conditions.
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