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JSAC
2008
254views more  JSAC 2008»
13 years 4 months ago
Cross-Layer Based Opportunistic MAC Protocols for QoS Provisionings Over Cognitive Radio Wireless Networks
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
Hang Su, Xi Zhang
INFOCOM
2007
IEEE
13 years 10 months ago
Modeling Time-Variant User Mobility in Wireless Mobile Networks
Abstract— Realistic mobility models are important to understand the performance of routing protocols in wireless ad hoc networks, especially when mobility-assisted routing scheme...
Wei-jen Hsu, Thrasyvoulos Spyropoulos, Konstantino...
SIGMETRICS
2010
ACM
197views Hardware» more  SIGMETRICS 2010»
13 years 9 months ago
Coloring spatial point processes with applications to peer discovery in large wireless networks
In this paper, we study distributed channel assignment in wireless networks with applications to peer discovery in ad hoc wireless networks. We model channel assignment as a color...
Jian Ni, R. Srikant, Xinzhou Wu
ADHOC
2005
119views more  ADHOC 2005»
13 years 4 months ago
A link-indexed statistical traffic prediction approach to improving IEEE 802.11 PSM
Power management is an important technique to prolong the lifetime of battery-powered wireless ad hoc networks. The fact that the energy consumed in the idle state dominates the t...
Chunyu Hu, Jennifer C. Hou
MOBIHOC
2004
ACM
14 years 4 months ago
On greedy geographic routing algorithms in sensing-covered networks
Greedy geographic routing is attractive in wireless sensor networks due to its efficiency and scalability. However, greedy geographic routing may incur long routing paths or even ...
Guoliang Xing, Chenyang Lu, Robert Pless, Qingfeng...