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ICC
2007
IEEE
145views Communications» more  ICC 2007»
16 years 1 months ago
Enhancements to Cognitive Radio Based IEEE 802.22 Air-Interface
—The IEEE 802.22 standard for wireless regional area network is the first standard for cognitive radio that tries to harness the idle or under-utilized spectrum allocated for TV...
Shamik Sengupta, Swastik Brahma, Mainak Chatterjee...
EVOW
2007
Springer
16 years 29 days ago
Generation of Tree Decompositions by Iterated Local Search
Many instances of NP-hard problems can be solved efficiently if the treewidth of their corresponding graph is small. Finding the optimal tree decompositions is an NP-hard problem a...
Nysret Musliu
SIGECOM
2004
ACM
86views ECommerce» more  SIGECOM 2004»
16 years 6 days ago
Mechanisms for a spatially distributed market
We consider the problem of a spatially distributed market with strategic agents. A single good is traded in a set of independent markets, where shipment between markets is possibl...
Moshe Babaioff, Noam Nisan, Elan Pavlov
APPROX
2004
Springer
149views Algorithms» more  APPROX 2004»
16 years 5 days ago
Edge Coloring with Delays
Consider the following communication problem, that leads to a new notion of edge coloring. The communication network is represented by a bipartite multigraph, where the nodes on o...
Noga Alon, Vera Asodi
IWPEC
2004
Springer
16 years 4 days ago
Chordless Paths Through Three Vertices
Consider the following problem, that we call “Chordless Path through Three Vertices” or CP3V, for short: Given a simple undirected graph G = (V, E), a positive integer k, and t...
Robert Haas, Michael Hoffmann