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ICHIT
2009
Springer
14 years 4 months ago
Adaptive PSAM in SIMO systems with imperfect CSI in Rayleigh fading channels
In this paper we provide an adaptive modulation approach that uses adaptive pilot symbols which both pilot spacing and power allocation on pilot symbols are optimized in single in...
Reza Barazideh, Babak Seyfe
INFOCOM
2008
IEEE
14 years 4 months ago
Diagnosing Wireless Packet Losses in 802.11: Separating Collision from Weak Signal
—It is well known that a packet loss in 802.11 can happen either due to collision or an insufficiently strong signal. However, discerning the exact cause of a packet loss, once ...
Shravan K. Rayanchu, Arunesh Mishra, Dheeraj Agraw...
IROS
2008
IEEE
191views Robotics» more  IROS 2008»
14 years 4 months ago
Local Gaussian process regression for real-time model-based robot control
— High performance and compliant robot control requires accurate dynamics models which cannot be obtained analytically for sufficiently complex robot systems. In such cases, mac...
Duy Nguyen-Tuong, Jan Peters
ICC
2007
IEEE
101views Communications» more  ICC 2007»
14 years 4 months ago
Range-based Mobility Estimations in MANETs with Application to Link Availability Prediction
— The quality of communications in mobile ad-hoc networks is largely determined by the topological stability. Characterizing the mobility of mobile nodes (e.g. how often they mov...
Zhuoqun Li, Lingfen Sun, Emmanuel C. Ifeachor
ICMCS
2007
IEEE
138views Multimedia» more  ICMCS 2007»
14 years 4 months ago
A Compact and Efficient Color Descriptor for Image Retrieval
— An important problem in color based image retrieval is the lack of efficient way to represent both the color and the spatial structure information with single descriptor. To so...
Ka-Man Wong, Lai-Man Po, Kwok-Wai Cheung