490 search results - page 21 / 98 » Changing the Channel |
138
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ICC
2007
IEEE
15 years 7 months ago
2007
IEEE
To increase the achievable sum rate of downlink MIMO (Multiple Input Multiple Output) systems, the cooperation among Base Stations (BS) is investigated in a slow fading channel. Th...
122
Voted
ICC
2009
IEEE
15 years 10 months ago
2009
IEEE
—The ability of setting up a covert channel, which allows any two nodes with Internet connections to engage in secretive communication, clearly causes a very serious security con...
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
—The time-varying nature of wireless channels poses a challenge for using soft-decision iterative decoders on such channels. Even if the channel gain is perfectly known to the re...
109
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IFIP
2004
Springer
15 years 9 months ago
2004
Springer
: Handoff at the link layer 2 (L2) consists of three phases including scanning, authentication, and reassociation. Among the three phases, scanning is dominant in terms of time del...
125
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CONCUR
2004
Springer
15 years 9 months ago
2004
Springer
We define a language whose type system, incorporating session types, allows complex protocols to be specified by types and verified by static typechecking. A session type, asso...