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» Approximately Optimal Wireless Broadcasting
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TSP
2008
115views more  TSP 2008»
14 years 10 months ago
Approximation Bounds for Semidefinite Relaxation of Max-Min-Fair Multicast Transmit Beamforming Problem
Consider a downlink multicast scenario where a base station equipped with multiple antennas wishes to simultaneously broadcast a number of signals to some given groups of users ove...
Tsung-Hui Chang, Zhi-Quan Luo, Chong-Yung Chi
TON
2008
133views more  TON 2008»
14 years 10 months ago
Optimal routing and data aggregation for maximizing lifetime of wireless sensor networks
An optimal routing and data aggregation scheme for wireless sensor networks is proposed in this paper. The objective is to maximize the network lifetime by jointly optimizing data ...
Cunqing Hua, Tak-Shing Peter Yum
107
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ICASSP
2009
IEEE
15 years 5 months ago
Cross-layer optimization of wireless fading ad-hoc networks
This paper introduces an algorithm to approximately find optimal wireless networks in presence of fading. Joint optimization of application level rates, routes, link capacities, ...
Nikolaos Gatsis, Alejandro Ribeiro, Georgios B. Gi...
GLOBECOM
2006
IEEE
15 years 4 months ago
Optimization on Hybrid Channel Assignment for Multi-channel Multi-radio Wireless Mesh Networks
The emergence of multi-channel multi-radio wireless mesh networks has given us many new opportunities and challenges. Particularly, the issue on how to appropriately assign channel...
Andy An-Kai Jeng, Rong-Hong Jan
WICON
2008
14 years 11 months ago
On the practical complexity of solving the maximum weighted independent set problem for optimal scheduling in wireless networks
It is well known that the maximum weighted independent set (MWIS) problem is NP-complete. Moreover, optimal scheduling in wireless networks requires solving a MWIS problem. Conseq...
Peng Wang, Stephan Bohacek