512 search results - page 16 / 103 » Random Access Systems with a Time Varying Channel |
MOBICOM
2009
ACM
14 years 5 months ago
2009
ACM
Spatial multiple access holds the promise to boost the capacity of wireless networks when an access point has multiple antennas. Due to the asynchronous and uncontrolled nature of...
TWC
2008
13 years 10 months ago
2008
Abstract--In this paper, the flow-level performance of opportunistic scheduling in orthogonal frequency division multiplexing (OFDM) networks is studied. The analysis accounts for ...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
WIOPT
2011
IEEE
13 years 2 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
ICDCS
2006
IEEE
14 years 4 months ago
2006
IEEE
We propose a peer-to-peer architecture designed to overcome asymmetries in upload/download speeds that are typical in end-user dialup, broadband and cellular wireless Internet con...