691 search results - page 12 / 139 » Communicating Under Channel Uncertainty |
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—A major problem in wireless networks is coping with limited resources, such as bandwidth and energy. These issues become a major algorithmic challenge in view of the dynamic nat...
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GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— Duality between the multi-antenna multi-user uplink and the downlink has been discovered in terms of sum rate, capacity region, signal-to-interference-plus-noise-ratio ...
ICC
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— In this paper, we analyze the effects of IQ (In-phase/ Quadrature-phase) imbalances at both transmitter and receiver of OFDM (Orthogonal Frequency Division Multiplexing) system...
ATAL
2008
Springer
14 years 11 months ago
2008
Springer
The design of deterministic and fair mechanisms for selection among a set of self-motivated agents based solely on these agents' input is a major challenge in multiagent syst...