NDLI: A resource allocation algorithm for cluster-based cooperative MIMO in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Xiaojun Wen Laurenson, D.I.
Copyright Year	2009
Description	Author affiliation: Institute for Digital Communications, Joint Research Institute for Signal and Image Processing, School of Engineering and Electronics, The University of Edinburgh, EH9 3JE, UK (Xiaojun Wen; Laurenson, D.I.)
Abstract	Energy efficiency is a considerable criterion in design of Wireless Sensor Networks. MIMO technology has the potential of supporting a higher data rate under a lower power budget and bit-error-rate, which makes cooperative MIMO in WSNs a popular research topic. This paper investigates a cluster-based time division cooperative MIMO communication system for WSNs. An optimum algorithm for the power and time allocation for an intra-cluster and inter-cluster slot has been proposed. By introducing two adjusting parameters, alpha and beta, for the energy and the time slot respectively, this algorithm is designed to achieve the maximum data throughput for one single-hop and at the same time remain within the tolerance of the outage probability requirement. Performance of different STBC schemes using such an optimum algorithm and the SISO transmission method are compared by simulation. The simulation results show that this algorithm is more energy efficient than SISO and the Alamouti scheme can best balance the trade off between the outage performance and the data rate compared with other STBCs.
Starting Page	211
Ending Page	215
File Size	258431
Page Count	5
File Format	PDF
ISBN	9781424449736
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-24
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	University of Split, FESB
Subject Keyword	Algorithm design and analysis Wireless sensor networks Clustering algorithms Spread spectrum communication Broadcasting Throughput MIMO Energy efficiency Resource management Relays
Content Type	Text
Resource Type	Article

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