416 search results - page 58 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
TWC
2008
13 years 8 months ago
2008
This paper considers a multi-hop network in which relay nodes cooperate to minimize the total energy consumed in transmitting a (unicast) packet from a source to a destination. We...
JNCA
2007
13 years 9 months ago
2007
Bluetooth is a new technology for low-cost, low-power, and short-range wireless communication. By constructing a piconet, Bluetooth device establishes link and communicates with o...
CNSR
2008
IEEE
14 years 3 months ago
2008
IEEE
Secure and energy efficient transmission is a main concern in many wireless sensor network applications. In this paper, two types of denial-of-service attacks that affect the rout...
GLOBECOM
2010
IEEE
13 years 7 months ago
2010
IEEE
Cognitive radios, which enable the coexistence on the same bandwidth of licensed primary and unlicensed secondary users, have the potential for dramatically increasing the efficien...
MOBICOM
2009
ACM
14 years 3 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...