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GLOBECOM
2010
IEEE
13 years 6 months ago
A Comparison of Modulations for Energy Optimization in Wireless Sensor Network Links
We study the energy consumption of individual links in wireless sensor networks (WSN). Three widely used digital modulation schemes, i.e. MQAM, MPSK, and MFSK, are analyzed and com...
Felipe M. Costa, Hideki Ochiai
ICCAD
2001
IEEE
106views Hardware» more  ICCAD 2001»
14 years 5 months ago
System-Level Power/Performance Analysis of Portable Multimedia Systems Communicating over Wireless Channels
This paper presents a new methodology for system-level power and performance analysis of wireless multimedia systems. More precisely, we introduce an analytical approach based on ...
Radu Marculescu, Amit Nandi, Luciano Lavagno, Albe...
CN
2006
117views more  CN 2006»
13 years 8 months ago
Error resilient image transport in wireless sensor networks
In this paper, we propose an "in-network" diversity combining scheme for image transport over wireless sensor networks. We consider a wireless sensor network with both w...
Huaming Wu, Alhussein A. Abouzeid
JSAC
2010
161views more  JSAC 2010»
13 years 3 months ago
Distortion optimal transmission of multi-layered FGS video over wireless channels
Abstract-- We identify an analytical expression for the distortion of a scalable video bitstream containing a Base Layer (BL) and one or more Enhancement Layer (EL) bitstreams. Con...
Negar Nejati, Homayoun Yousefi'zadeh, Hamid Jafark...
MSWIM
2004
ACM
14 years 1 months ago
Channel-quality dependent earliest deadline due fair scheduling schemes for wireless multimedia networks
— Providing delay guarantees to time-sensitive traffic in future wireless multimedia networks is a challenging issue. This is due to the time-varying link capacities and the vari...
Ahmed K. F. Khattab, Khaled M. F. Elsayed