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» Channel modeling for satellite and HAPS system design
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DAC
2003
ACM
15 years 12 months ago
Extending the lifetime of a network of battery-powered mobile devices by remote processing: a markovian decision-based approach
This paper addresses the problem of extending the lifetime of a batterypowered mobile host in a client-server wireless network by using task migration and remote processing. This ...
Peng Rong, Massoud Pedram
108
Voted
TCOM
2010
195views more  TCOM 2010»
14 years 5 months ago
Coherent and Differential Space-Time Shift Keying: A Dispersion Matrix Approach
Abstract--Motivated by the recent concept of Spatial Modulation (SM), we propose a novel Space-Time Shift Keying (STSK) modulation scheme for Multiple-Input Multiple-Output (MIMO) ...
Shinya Sugiura, Sheng Chen, Lajos Hanzo
CORR
2008
Springer
189views Education» more  CORR 2008»
14 years 11 months ago
Algorithms for Dynamic Spectrum Access with Learning for Cognitive Radio
We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooperati...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli
COR
2008
129views more  COR 2008»
14 years 10 months ago
Queues in DOCSIS cable modem networks
In this paper we determine the optimal fraction c of the uplink channel capacity that should be dedicated to the contention channel in a DOCSIS cable network in order to minimize ...
Joke Lambert, Benny Van Houdt, Chris Blondia
TWC
2008
142views more  TWC 2008»
14 years 10 months ago
Robust Ultra-Wideband Signal Acquisition
Ultra-wideband (UWB) communication is envisaged to be deployed in indoor environments, where the noise distribution is decidedly non-Gaussian. A critical challenge for impulse radi...
Ersen Ekrem, Mutlu Koca, Hakan Deliç