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IJSNET
2006
110views more  IJSNET 2006»
13 years 7 months ago
Improving network lifetime using sensors with adjustable sensing ranges
Abstract: This paper addresses the target coverage problem in wireless sensor networks with adjustable sensing range. Communication and sensing consume energy, therefore efficient ...
Mihaela Cardei, Jie Wu, Mingming Lu
INFOCOM
2008
IEEE
14 years 2 months ago
A Distributed Optimization Algorithm for Multi-Hop Cognitive Radio Networks
Cognitive radio (CR) is a revolution in radio technology and is viewed as an enabling technology for dynamic spectrum access. This paper investigates how to design distributed alg...
Yi Shi, Y. Thomas Hou
INFOCOM
2006
IEEE
14 years 1 months ago
Utility-Optimal Medium Access Control: Reverse and Forward Engineering
— This paper analyzes and designs medium access control (MAC) protocols for wireless ad-hoc networks through the network utility maximization (NUM) framework. We first reverse-e...
Jang-Won Lee, Mung Chiang, A. Robert Calderbank
ADHOCNOW
2005
Springer
14 years 1 months ago
MIMOMAN: A MIMO MAC Protocol for Ad Hoc Networks
Multiple-Input Multiple-Output (MIMO) antenna systems present a radical way to improve the performance of wireless communications. Such systems can be utilized in wireless ad hoc n...
Joon-Sang Park, Mario Gerla
TSP
2008
122views more  TSP 2008»
13 years 7 months ago
Quality of Service and Max-Min Fair Transmit Beamforming to Multiple Cochannel Multicast Groups
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
Eleftherios Karipidis, Nikos D. Sidiropoulos, Zhi-...