104 search results - page 10 / 21 » Sensing-based opportunistic channel access |
EJWCN
2010
13 years 4 months ago
2010
The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations. Spectrum a...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
Abstract— We derive a lower bound on the diversitymultiplexing tradeoff for multiple antenna multiple access channels using temporal power control (PC). We quantify the substanti...
TON
2010
13 years 4 months ago
2010
Distributed opportunistic scheduling (DOS) is studied for wireless ad-hoc networks in which many links contend for the channel using random access before data transmissions. Simpl...
WCNC
2010
IEEE
14 years 1 months ago
2010
IEEE
—In most existing sender-initiated handshaking based underwater Media Access Control (MAC) protocols, only the initiating sender is allowed to transmit data packets to its intend...
MOBIHOC
2007
ACM
14 years 9 months ago
2007
ACM
We consider distributed opportunistic scheduling (DOS) in wireless ad-hoc networks, where many links contend for the same channel using random access. In such networks, distribute...