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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 53-251
Full Name: Kan Bq
Position: Doctor (Researcher)
Age: ON
Sex: Male
Address: Nanjing telecommunication technology institute, Nanjing 210007, China
Country: CHINA
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E-mail address: bqkan@163.com
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Title of the Paper: Optimal Design of Virtual MIMO for WSN Performance Improvement
Authors as they appear in the Paper: Kan baoqiang
Email addresses of all the authors: bqkan@163.com
Number of paper pages: 10
Abstract: In this paper, we studied the performance of bit error rate(BER) for a virtual multiple-input multiple-output (MIMO) based communications architecture used in wireless sensor networks and proposed an optimal transmitting power(TP) scheme for transmitting cooperative sensor nodes in one cluster. Closed-form of the optimal TP for each cooperating node was derived by minimizing BER of the Nt¡Á1 virtual MIMO system. This strategy is then compared to an equal TP assignment method and its performance enhancement is verified by extensive simulations. Furthermore, at the aim to energy efficient, a thorough explanation of optimally choosing number of cooperating nodes is delivered by the aid of mathematical analysis as well as simulation verifications.
Keywords: energy efficiency, virtual MIMO, wireless sensor networks (WSNs)
EXTENSION of the file: .pdf
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