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» Improved Approximation Algorithms for the Minimum Latency Pr...
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FOCS
2003
IEEE
13 years 10 months ago
Paths, Trees, and Minimum Latency Tours
We give improved approximation algorithms for a variety of latency minimization problems. In particular, we give a 3.591 -approximation to the minimum latency problem, improving o...
Kamalika Chaudhuri, Brighten Godfrey, Satish Rao, ...
INFOCOM
2007
IEEE
13 years 11 months ago
Minimum-Latency Broadcast Scheduling in Wireless Ad Hoc Networks
— A wide range of applications for wireless ad hoc networks are time-critical and impose stringent requirement on the communication latency. This paper studies the problem Minimu...
Scott C.-H. Huang, Peng-Jun Wan, Xiaohua Jia, Hong...
DCOSS
2008
Springer
13 years 6 months ago
Improving the Data Delivery Latency in Sensor Networks with Controlled Mobility
Unlike traditional multihop forwarding among homogeneous static sensor nodes, use of mobile devices for data collection in wireless sensor networks has recently been gathering more...
Ryo Sugihara, Rajesh K. Gupta
FOCS
2008
IEEE
13 years 11 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak
AINA
2007
IEEE
13 years 11 months ago
Depth-Latency Tradeoffs in Multicast Tree Algorithms
The construction of multicast trees is complicated by the need to balance a number of important objectives, including: minimizing latencies, minimizing depth/hops, and bounding th...
Michael T. Helmick, Fred S. Annexstein