NDLI: Combining Eigen-Beamforming and Orthogonal Space-Time Block Coding for Secondary Usage of Spectrum

Content Provider	IEEE Xplore Digital Library
Author	Islam, H. Ying-Chang Liang Anh Tuan Hoang
Copyright Year	2008
Description	Author affiliation: Inst. for Infocomm Res., Singapore (Islam, H.; Ying-Chang Liang; Anh Tuan Hoang)
Abstract	For a spectrum sharing environment, where an unlicensed (secondary) user coexists with a licensed (primary) user, we study the performance of the multiantenna transmission scheme that combines orthogonal space-time block coding with transmit eigen-beamforming. The objective is to minimize a tight bound on the symbol error rate of the secondary user subject to two practical constraints: maximum transmit power constraint of the secondary user and received interference constraint of the primary user. Here, we consider both peak and average interference constraints. Using the knowledge of channel correlations of the secondary user and perfect channel knowledge (for the peak interference constraint) or the knowledge of channel correlations (for the average interference constraint) of the primary user, we solve the original optimization problem with two constraints by decomposing it into two sub- problems each with a single constraint. Simulation results are presented to show the symbol error rate performance of the secondary user under different channel and interference constraint considerations.
Starting Page	830
Ending Page	834
File Size	228842
Page Count	5
File Format	PDF
ISBN	9781424420759
DOI	10.1109/ICC.2008.163
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Block codes Interference constraints Error analysis Quality of service Upper bound Constraint optimization Wireless communication Feedback Pairwise error probability Fading
Content Type	Text
Resource Type	Article

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