21 search results - page 2 / 5 » Polynomial-time approximation scheme for data broadcast |
90
Voted
TSP
2008
14 years 9 months ago
2008
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...
120
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WEA
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Mobile users are roaming in a zone of cells in a cellular network system. The probabilities of each user residing in each cell are known, and all probabilities are indepe...
65
Voted
ADHOCNOW
2008
Springer
15 years 4 months ago
2008
Springer
Abstract. A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited, nonreplenishable battery charge. The batte...
79
Voted
APSCC
2007
IEEE
14 years 9 months ago
2007
IEEE
Abstract— In this paper, we address the problem of lifetime optimization under storage constraint for wireless sensor networks with a mobile sink node. The problem is particularl...
81
Voted
SPAA
2006
ACM
15 years 3 months ago
2006
ACM
Consider a network in which a collection of source nodes maintain and periodically update data objects for a collection of sink nodes, each of which periodically accesses the data...