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MOBIHOC
2005
ACM
14 years 7 months ago
Interference-aware topology control and QoS routing in multi-channel wireless mesh networks
The throughput of wireless networks can be significantly improved by multi-channel communications compared with single-channel communications since the use of multiple channels ca...
Jian Tang, Guoliang Xue, Weiyi Zhang
INFOCOM
2003
IEEE
14 years 19 days ago
Protection Mechanisms for Optical WDM Networks based on Wavelength Converter
Abstract— This paper studies the problem of designing survivable optical wavelength division multiplexed (WDM) networks. A wavelength-routed wide area backbone network supporting...
Sunil Gowda, Krishna M. Sivalingam
COMCOM
2006
168views more  COMCOM 2006»
13 years 7 months ago
Relay node placement in large scale wireless sensor networks
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....
Jian Tang, Bin Hao, Arunabha Sen
STOC
2003
ACM
130views Algorithms» more  STOC 2003»
14 years 7 months ago
A tight bound on approximating arbitrary metrics by tree metrics
In this paper, we show that any n point metric space can be embedded into a distribution over dominating tree metrics such that the expected stretch of any edge is O(log n). This ...
Jittat Fakcharoenphol, Satish Rao, Kunal Talwar
ICALP
2005
Springer
14 years 26 days ago
New Approaches for Virtual Private Network Design
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
Friedrich Eisenbrand, Fabrizio Grandoni, Gianpaolo...