MMSE Based Block Diagonalization for Cognitive Radio MIMO Broadcast Channels

In this paper, we present a linear precoder design for cognitive radio (CR) multi-user multiple-input multiple-output (MU-MIMO) downlink systems where unlicensed secondary users (SUs) can simultaneously utilize the same spectrum used by a licensed primary user (PU). Although a zero-forcing block dia...

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Bibliographic Details
Published in:	IEEE transactions on wireless communications Vol. 10; no. 10; pp. 3139 - 3144
Main Authors:	Lee, Kyoung-Jae, Lee, Inkyu
Format:	Journal Article
Language:	English
Published:	New York, NY IEEE 01.10.2011 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Algorithms Applied sciences block diagonalization (BD) Blocking Channels Cognitive radio Design engineering Downlink Exact sciences and technology Interference Matrix decomposition MIMO minimum mean-squared error (MMSE) multi-user MIMO Plutonium Radio Radiocommunication specific techniques Radiocommunications Receivers Receiving antennas Signal to noise ratio Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Wireless communication Performance evaluation MIMO system Multiple access Diagonalization multi-user MIMO Transmission channel block diagonalization (BD) Downlink Cognitive radio Algorithm Mean square error minimum mean-squared error (MMSE) Simulation Broadcast channels Signal to interference plus noise ratio Radio communication Software radio
ISSN:	1536-1276, 1558-2248
Online Access:	Get full text
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