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146
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VTC
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract— In this paper, we analyze DS-CDMA/OFDM spectrum sharing system based on opportunistic spectrum access (OSA). In this system, the primary network air interface is based ...
142
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VTC
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract— Depending on the position of mobile stations in the multihop relay system, various types of cooperative relaying schemes show the different level of throughput and outa...
169
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VTC
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract— Unlike the terrestrial wireless networks that utilize the radio channel, underwater networks use the acoustic channel, which poses research challenges in the medium acc...
111
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WISE
2008
Springer
15 years 11 months ago
2008
Springer
Abstract. Most approaches to information filtering taken so far have the underlying hypothesis of potentially delivering notifications from every information producer to subscrib...
144
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AAIM
2008
Springer
15 years 11 months ago
2008
Springer
Abstract. Given a digraph D, the Minimum Leaf Out-Branching problem (MinLOB) is the problem of finding in D an out-branching with the minimum possible number of leaves, i.e., vert...