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WCNC
2008
IEEE
14 years 2 months ago
An Analytical Performance Model of Opportunistic Spectrum Access in a Military Environment
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
Shensheng Tang, Brian L. Mark
VTC
2010
IEEE
219views Communications» more  VTC 2010»
13 years 6 months ago
Decentralized Base Station Processing for Multiuser MIMO Downlink CoMP
—Coordinated multi-point transmission/reception (CoMP), in which base stations (BSs) cooperate during the downlink, has been identified as a tool for improving user rates and mi...
Winston W. L. Ho, Tony Q. S. Quek, Sumei Sun
CORR
2010
Springer
248views Education» more  CORR 2010»
13 years 8 months ago
Optimal Spectrum Sharing in MIMO Cognitive Radio Networks via Semidefinite Programming
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
Ying Jun Zhang, Anthony Man-Cho So
GLOBECOM
2008
IEEE
14 years 2 months ago
On the Statistics and MAC Implications of Channel Estimation Errors in MIMO Ad Hoc Networks
—In this paper, we propose an analytical technique to evaluate the statistics of the channel estimation error in a simple multi-user ad hoc networking scenario. This problem is v...
Davide Chiarotto, Paolo Casari, Michele Zorzi
TWC
2011
351views more  TWC 2011»
13 years 2 months ago
Distributed Adaptation of Quantized Feedback for Downlink Network MIMO Systems
Abstract—This paper focuses on quantized channel state information (CSI) feedback for downlink network MIMO systems. Specifically, we propose to quantize and feedback the CSI of...
Sheng Zhou, Jie Gong, Zhisheng Niu