2392 search results - page 37 / 479 » Channel-Hopping Multiple Access |
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
— Based on the specification of a high-throughput wireless local area network system we consider the achievable rate regions of time, frequency and code division multiple access...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper we discuss rate control for multiuser multicarrier systems, where the transmitter has a single antenna and is subject to a PSD mask limitation while the receiver has...
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract—We consider correlated MIMO multiple access channels with block fading, where each block is divided into training and data transmission phases. We find the channel esti...