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EENERGY
2010
14 years 11 months ago
A simple analytical model for the energy-efficient activation of access points in dense WLANs
Energy efficient networks are becoming a hot research topic, and the networking community is increasingly devoting its attention to the identification of approaches to save energy...
Marco Ajmone Marsan, Luca Chiaraviglio, Delia Ciul...
AHSWN
2006
79views more  AHSWN 2006»
14 years 10 months ago
Re-routing Instability in IEEE 802.11 Multi-hop Ad-hoc Networks
TCP throughput instability is a well-known phenomenon in IEEE 802.11 multi-hop ad-hoc networks. However, we find that this problem is not restricted to TCP traffic only, but also ...
Ping Chung Ng, Soung Chang Liew
IEICET
2006
80views more  IEICET 2006»
14 years 9 months ago
Virtual Subcarrier Assignment (VISA) for Spatial Filtering of OFDM Signals
In OFDM (Orthogonal Frequency Division Multiplexing)-based wireless systems, when we employ an array antenna at receive side, SDMA (Space Division Multiple Access) can be easily r...
Shinsuke Hara, Yunjian Jia
JSAC
2008
108views more  JSAC 2008»
14 years 9 months ago
Collision-aware design of rate adaptation for multi-rate 802.11 WLANs
One of the key challenges in designing a rate adaptation scheme for IEEE 802.11 wireless LANs (WLANs) is to differentiate bit errors from link-layer collisions. Many recent rate a...
Jaehyuk Choi, Jongkeun Na, Yeon-sup Lim, Kihong Pa...
JSAC
2006
99views more  JSAC 2006»
14 years 9 months ago
Incentives for large peer-to-peer systems
We consider problems of provisioning an excludable public good amongst n potential members of a peer-to-peer system who are able to communicate information about their private pre...
Costas Courcoubetis, Richard R. Weber