57 search results - page 2 / 12 » The Impact of Network Size and Mobility on Information Deliv... |
CISS
2008
IEEE
13 years 7 months ago
2008
IEEE
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
JNW
2008
13 years 5 months ago
2008
Next-Generation Wireless Networks (NGWNs) present an all-IP-based architecture integrating existing cellular networks with Wireless Local Area Networks (WLANs), Wireless Metropolit...
INFOCOM
2009
IEEE
14 years 6 days ago
2009
IEEE
— Collaborative spectrum sensing among secondary users (SUs) in cognitive networks is shown to yield a significant performance improvement. However, there exists an inherent tra...
CN
2008
13 years 5 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...