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GLOBECOM
2010
IEEE
13 years 8 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
GLOBECOM
2010
IEEE
13 years 8 months ago
Achieving Full Rate Network Coding with Constellation Compatible Modulation and Coding
Network coding is an effective method to improving relay efficiency by reducing the number of transmissions. However, its performance is limited by several factors such as packet l...
Suhua Tang, Hiroyuki Yomo, Tetsuro Ueda, Ryu Miura...
CDC
2009
IEEE
126views Control Systems» more  CDC 2009»
13 years 8 months ago
Stochastic optimization for Markov modulated networks with application to delay constrained wireless scheduling
Abstract-- We consider a wireless system with a small number of delay constrained users and a larger number of users without delay constraints. We develop a scheduling algorithm th...
Michael J. Neely
TCOM
2008
74views more  TCOM 2008»
13 years 10 months ago
Optimum Resource Allocation for Relay Networks with Differential Modulation
In this paper, we investigate the resource allocation in a differentially modulated relay network. In addition to the energy optimization, we also consider location optimization to...
Woong Cho, Liuqing Yang
ALMOB
2006
109views more  ALMOB 2006»
13 years 10 months ago
A novel functional module detection algorithm for protein-protein interaction networks
Background: The sparse connectivity of protein-protein interaction data sets makes identification of functional modules challenging. The purpose of this study is to critically eva...
Woochang Hwang, Young-Rae Cho, Aidong Zhang, Mural...