691 search results - page 56 / 139 » Communicating Under Channel Uncertainty |
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
— We present a field programmable gate array (FPGA) implementation of a turbo-like decoder for a serially concatenated pulse-position modulation (SCPPM) code. NASA developed thi...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
We propose an adaptive transmission technique for optical wireless (OW) systems, operating in atmospheric turbulence and employing subcarrier phase shift keying (S-PSK) intensity m...
ISCC
2003
IEEE
14 years 2 months ago
2003
IEEE
This paper studies the fairness with which competing flows share the channel in ad hoc networks using collision avoidance protocols. It is shown that the required multihop coordi...
INFOCOM
2011
IEEE
13 years 9 days ago
2011
IEEE
—Recently, there has been great interest in physical layer security techniques that exploit the randomness of wireless channels for securely extracting cryptographic keys. Severa...
GLOBECOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—In this paper we consider a network of distributed sensors that are trying to measure a parameter of interest cooperatively, by exchanging their acquired information repeatedly ...