Sciweavers

275 search results - page 55 / 55
» Simultaneous communication in noisy channels
Sort
View
ADHOCNOW
2004
Springer
13 years 10 months ago
A Rate-Adaptive MAC Protocol for Low-Power Ultra-Wide Band Ad-Hoc Networks
Recent theoretical results show that it is optimal to allow interfering sources to transmit simultaneously as long as they are outside a well-defined exclusion region around a de...
Ruben Merz, Jean-Yves Le Boudec, Jörg Widmer,...
DIMVA
2008
13 years 6 months ago
VeriKey: A Dynamic Certificate Verification System for Public Key Exchanges
Abstract. This paper presents a novel framework to substantiate selfsigned certificates in the absence of a trusted certificate authority. In particular, we aim to address the prob...
Brett Stone-Gross, David Sigal, Rob Cohn, John Mor...
CASCON
2003
103views Education» more  CASCON 2003»
13 years 6 months ago
Spatialized audioconferencing: what are the benefits?
Audioconference participants often have difficulty identifying the voices of other conferees, especially in ad hoc groups of unfamiliar members. Simultaneous presentation of multi...
Ryan Kilgore, Mark H. Chignell, Paul Smith
PRESENCE
2002
124views more  PRESENCE 2002»
13 years 5 months ago
Near-Field Virtual Audio Displays
In tasks that require listeners to monitor two or more simultaneous talkers, substantial performance benefits can be achieved by spatially separating the competing speech messages...
Douglas Brungart
TIT
2002
63views more  TIT 2002»
13 years 5 months ago
Structured unitary space-time autocoding constellations
We recently showed that arbitrarily reliable communication is possible within a single coherence interval in Rayleigh flat fading as the symbol-duration of the coherence interval ...
Thomas L. Marzetta, Babak Hassibi, Bertrand M. Hoc...