Sciweavers

1020 search results - page 165 / 204
» The Poisson Fading Channel
Sort
View
VLSISP
2002
83views more  VLSISP 2002»
13 years 8 months ago
Modulation and Coding for Noncoherent Communications
Until recently, the theory of noncoherent communications was premised on the use of orthogonal multi-pulse modulation such as frequency shift keying. The main drawback of this modu...
Michael L. McCloud, Mahesh K. Varanasi
TWC
2008
145views more  TWC 2008»
13 years 7 months ago
Generalized Window-Based PN Acquisition Scheme in CDMA Spread Spectrum Systems
In this letter, we propose a generalized version of the window-based pseudonoise (PN) acquisition scheme verifying one or more best hypotheses rather than the best one per search w...
Kwang Man Ok, Chung Gu Kang
MOBIHOC
2010
ACM
13 years 7 months ago
Security-capacity trade-off in large wireless networks using keyless secrecy
We investigate the scalability of a class of algorithms that exploit the dynamics of wireless fading channels to achieve secret communication in a large wireless network of n rando...
Sudarshan Vasudevan, Dennis Goeckel, Donald F. Tow...
PSATS
2010
13 years 7 months ago
No-Reference H.264/AVC Statistical Multiplexing for DVB-RCS
Replacement of MPEG-2 by the H.264/AVC codec for satellite video services, including aggregated video for the DVB-RCS uplink, presents an opportunity to develop efficient statistic...
Hamed Ahmadi Aliabad, Sandro Moiron, Martin Fleury...
CORR
2010
Springer
176views Education» more  CORR 2010»
13 years 6 months ago
Cooperative Distributed Sequential Spectrum Sensing
Abstract--We consider cooperative spectrum sensing for cognitive radios. We develop an energy efficient detector with low detection delay using sequential hypothesis testing. Seque...
Jithin K. S, Vinod Sharma, Raghav Gopalarathnam