42 search results - page 4 / 9 » Understanding Radio Irregularity in Wireless Networks |
MOBICOM
2009
ACM
14 years 5 months ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
GLOBECOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
INFOCOM
2007
IEEE
14 years 5 months ago
2007
IEEE
— Broadcast protocols play a vital role in multihop wireless networks. Due to the broadcast nature of radio signals, a node’s interference range can be larger than its transmis...
TPDS
2008
13 years 10 months ago
2008
The localization of sensor nodes is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can acquire...
EJWCN
2010
13 years 5 months ago
2010
Flexbility and deployment simplicity are among the numerous advantages of wireless links when compared to standard wired communications. However, challenges do remain high for wire...