3103 search results - page 502 / 621 » Intelligent Multimedia Communication |
135
click to vote
TWC
2010
14 years 10 months ago
2010
The closed-loop transmit diversity technique is used to improve the performance of the downlink channel in MIMO communication systems. In these closed-loop systems, feedback delay...
143
click to vote
TWC
2010
14 years 10 months ago
2010
This work evaluates opportunistic relaying in the presence of thermal noise as well as interference, when channel sensing is conducted reactively, in slow fading environments. The ...
124
click to vote
TWC
2010
14 years 10 months ago
2010
Abstract--In this paper, we propose a novel spectrum occupancy model designed to generate accurate temporal and frequency behavior of various wireless transmissions. Our proposed w...
131
click to vote
TWC
2010
2010
Rex: A randomized EXclusive region based scheduling scheme for mmWave WPANs with directional antenna
14 years 10 months ago
Millimeter-wave (mmWave) transmissions are promising technologies for high data rate (multi-Gbps) Wireless Personal Area Networks (WPANs). In this paper, we first introduce the con...
167
click to vote
TWC
2010
14 years 10 months ago
2010
In this paper, we study multi-hop non-regenerative multiple-input multiple-output (MIMO) relay communications with any number of hops. We design the optimal source precoding matrix...