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Title of Journal: Wireless Pers Commun

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Abbravation: Wireless Personal Communications

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Springer US

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DOI

10.1016/0550-3213(90)90590-a

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1572-834X

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Optimum Linear Constellation Precoding for Space T

Authors: R Vishwanath Manav R Bhatnagar
Publish Date: 2006/06/27
Volume: 40, Issue: 4, Pages: 511-521
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Abstract

Space Time Constellation Rotating Codes STCRs achieve a rate of 1 symbol/s/Hz and enjoy a diversity N tNr for arbitrary number of transmit and receive antennas N t and N r over quasi static fading channels Optimum Unitary STCRs based on Algebraic design tools which achieve the upper bound on coding gain for all linear precoders over Quadrature Amplitude Modulation QAM and Pulse Amplitude Modulation PAM are known only when the number of transmit antennas is power of two In this paper we design optimum unitary LCPs for even number of transmit antennas We also present some unitary precoders for odd number of transmit antennas which clearly outperform the existing unitary nonoptimum precoders Performance results corroborate our analysisManav R Bhatnagar was born in Moradabad India in 1976 He did his BE in Electronics in 1997 and Master of Technology in Communications Engineering in 2005 from Indian Institute of Technology Delhi India He has worked as lecturer in Moradabad Institute of Technology Moradabad India from 19982003 He is currently pursuing PhD from Indian Institute of Technology Delhi India His research interests include Routing in Optical Networks Signal Processing in Wireless Communications and Image Processing He is a member of the IEEER Vishwanath was born in Hyderabad India in 1982 He did his BE in Electronics and Communications Engineering from Birla Institute of Technology Ranchi India in 2002 and Master of Technology in Communications Engineering in 2005 from Indian Institute of Technology Delhi India Currently he is pursuing PhD from Indian Institute of Technology Delhi India His research interests include Routing in Optical Networks Signal Processing Wireless Communications and Image Processing He is a member of the IEEE

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