2571 search results - page 453 / 515 » Approximation schemes for wireless networks |
154
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TSP
2008
15 years 5 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
171
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ICC
2008
IEEE
16 years 14 days ago
2008
IEEE
— In this paper, we propose a theoretical framework for the analysis of the impact of ultra–wideband (UWB) interference on systems that use the popular combination of bit– in...
219
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MOBICOM
2003
ACM
15 years 11 months ago
2003
ACM
The characteristics of ad hoc networks naturally encourage the deployment of distributed services. Although current networks implement group communication methods, they do not sup...
188
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WINET
2010
15 years 4 months ago
2010
We consider a scenario where devices with multiple networking capabilities access networks with heterogeneous characteristics. In such a setting, we address the problem of effici...
162
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AINA
2011
IEEE
14 years 9 months ago
2011
IEEE
– Ad hoc m-commerce is an emerging way of conducting online trading wirelessly within dynamic network communities. However, participants in such systems are vulnerable to attacks...