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WWW
2008
ACM
14 years 8 months ago
Offline matching approximation algorithms in exchange markets
Motivated by several marketplace applications on rapidly growing online social networks, we study the problem of efficient offline matching algorithms for online exchange markets....
Zeinab Abbassi, Laks V. S. Lakshmanan
ADHOC
2008
96views more  ADHOC 2008»
13 years 7 months ago
Network configuration for optimal utilization efficiency of wireless sensor networks
This paper addresses the problem of configuring wireless sensor networks (WSNs). Specifically, we seek answers to the following questions: how many sensors should be deployed, wha...
Yunxia Chen, Chen-Nee Chuah, Qing Zhao
MOBIHOC
2008
ACM
14 years 7 months ago
Self-monitoring for sensor networks
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...
Dezun Dong, Yunhao Liu, Xiangke Liao
ICASSP
2011
IEEE
12 years 11 months ago
Convex approximation algorithms for back-pressure power control of wireless multi-hop networks
Cross-layer design and operation of wireless networks has attracted significant interest in the last decade, yet some basic problems in the area remain unsolved. In this paper, w...
Evaggelia Matskani, Nikos D. Sidiropoulos, Leandro...
ICC
2007
IEEE
139views Communications» more  ICC 2007»
13 years 11 months ago
Comparison of Protection Mechanisms: Capacity Efficiency and Recovery Time
High efficiency in capacity utilization and fast restoration are two primary goals of survivable design in optical networks. Shared backup path protection has been shown to be effi...
Wensheng He, Arun K. Somani