Cooperative Channel MIMO Wireless Transmission System with Space-time Optimization

YANG Guide; ZHOU Yuanping; XIA Wenlong

doi:10.11999/JEIT170321

Volume 40 Issue 1

Jan. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(1): 102-107

YANG Guide, ZHOU Yuanping, XIA Wenlong . Cooperative Channel MIMO Wireless Transmission System with Space-time Optimization[J]. Journal of Electronics & Information Technology, 2018, 40(1): 102-107. doi: 10.11999/JEIT170321

Citation:

YANG Guide, ZHOU Yuanping, XIA Wenlong . Cooperative Channel MIMO Wireless Transmission System with Space-time Optimization[J]. Journal of Electronics & Information Technology, 2018, 40(1): 102-107. doi: 10.11999/JEIT170321

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Cooperative Channel MIMO Wireless Transmission System with Space-time Optimization

doi: 10.11999/JEIT170321

Funds:

University Doctoral Research Foundation of China (20130191110006)

Received Date: 2017-04-12
Rev Recd Date: 2017-08-30
Publish Date: 2018-01-19

Abstract

Abstract

A space-time optimized Multiple-Input Multiple-Output (MIMO) wireless transmission system based on virtual channel method is proposed. At the transmitter, various space-time virtual channels are generated that are connected with the actual space wireless channels to form the cooperative space division channels. According to the feedback information from the receiver, the Bit Error Rate (BER) can be significantly improved by using the simulated annealing algorithm to optimize the virtual channels. Morever, by using the virtual channel method, it allows one MIMO antenna to transmit multiple superposed data streams in one frequency band at the same time, therefore it can transmit more number of different data streams than the number of transmit antennas, breaking the conventional way that the number of different data streams to be transmitted is equal to the number of transmit antennas. Thus, the proposed MIMO system can significantly improve the spectral efficiency. Simulation results and experimental test results based on ZC706 and AD9361 hardware platforms in microwave anechoic chamber fully demonstrate the effectiveness of the proposed MIMO system.
- MIMO system,
- Virtual channel,
- Simulated annealing algorithm,
- Bit Error Rate (BER),
- Spectral efficiency

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References(19)

References

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