560 search results - page 44 / 112 » Constant-Complexity Models for Wireless Channels |
WCNC
2008
IEEE
15 years 7 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
96
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WINET
2008
15 years 13 days ago
2008
We study how selfish nodes react to transmission costs in wireless networks. Intuitively, it seems that transmission costs should have a stabilizing effect as (rational) nodes will...
131
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MOBICOM
2004
ACM
15 years 6 months ago
2004
ACM
Recent years have seen the growing popularity of multi-rate wireless network devices (e.g., 802.11a cards) that can exploit variations in channel conditions and improve overall ne...
121
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MONET
2002
15 years 7 days ago
2002
This paper describes a framework for selecting the optimal call mix to be admitted while employing a bandwidth degradation policy in a wireless cellular network. The optimal proper...
109
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INFOCOM
2007
IEEE
15 years 6 months ago
2007
IEEE
—In this paper, we extend both Bianchi’s and Kumar’s models and characterize the channel activities governed by IEEE 802.11 DCF in multi-hop wireless networks from the perspe...