593 search results - page 21 / 119 » Cooperation and Cognitive Radio |
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ANCS
2010
ACM
14 years 7 months ago
2010
ACM
As we move forward towards the next generation of wireless protocols, the push for a better radio physical layer is ever increasing. Conventional radio architectures are limited t...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—One of the major concerns of cognitive radios when used for secondary spectrum access is the potential of interfering primary users, considering especially that cognitive radios...
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--The information propagation speed (IPS) of a network specifies how fast the information can be transmitted in a network. In this paper, we derive an IPS upper bound in co...
SECON
2008
IEEE
15 years 4 months ago
2008
IEEE
— Previous results show that a node’s throughput scales poorly as the network size increases when every node has traffic. However, in many cases, only a fraction of nodes in l...
JNSM
2010
14 years 4 months ago
2010
Cognitive Radio (CR) equipments are radio devices that support the smart facilities offered by future cognitive networks. Even if several categories of equipments exist (terminal,...