Sciweavers

61 search results - page 12 / 13
» Optimal slotted random access in coded wireless packet netwo...
Sort
View
JSAC
2011
215views more  JSAC 2011»
13 years 2 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
PIMRC
2008
IEEE
14 years 1 months ago
Understanding the Performance of 802.11 Networks
Abstract—In this paper, we review the most important performance characteristics of the 802.11 DCF wireless networks, point out some false common knowledge, and report on recent ...
Andrzej Duda
CORR
2007
Springer
124views Education» more  CORR 2007»
13 years 7 months ago
Anonymous Networking amidst Eavesdroppers
—The problem of security against packet timing based traffic analysis in wireless networks is considered in this work. An analytical measure of “anonymity” of routes in eave...
Parvathinathan Venkitasubramaniam, Ting He, Lang T...
FITRAMEN
2008
13 years 9 months ago
High-Performance H.264/SVC Video Communications in 802.11e Ad Hoc Networks
This work focuses on improving the performance of video communications based on the recently developed H.264 Scalable Video Coding (SVC) standard over 802.11e wireless networks. Th...
Attilio Fiandrotti, Dario Gallucci, Enrico Masala,...
MOBIHOC
2004
ACM
14 years 29 days ago
On the behavior of communication links of a node in a multi-hop mobile environment
In this work, we develop an analytical framework to investigate the behavior of the communication links of a node in a random mobility environment. Analytical expressions characte...
Prince Samar, Stephen B. Wicker