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JCM
2007
162views more  JCM 2007»
13 years 7 months ago
Opportunistic Spectrum Access in Fading Channels Through Collaborative Sensing
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
Amir Ghasemi, Elvino S. Sousa
CORR
2008
Springer
98views Education» more  CORR 2008»
13 years 8 months ago
Information Acquisition and Exploitation in Multichannel Wireless Networks
A wireless system with multiple channels is considered, where each channel has several transmission states. A user learns about the instantaneous state of an available channel by ...
Sudipto Guha, Kamesh Munagala, Saswati Sarkar
ICC
2008
IEEE
127views Communications» more  ICC 2008»
14 years 2 months ago
Delay Analysis of Distributed Reservation Protocol with UWB Shadowing Channel for WPAN
— Ultra-wideband (UWB) technology is expected to provide high data rate services for future wireless personal area networks (WPANs). The WiMedia Alliance recently has launched it...
Kuang-Hao Liu, Xuemin Shen, Ruonan Zhang, Lin Cai
ADHOCNETS
2009
Springer
13 years 10 months ago
Efficient Distribution of Large Files in UMTS Supported by Network Coded M2M Data Transfer with Multiple Generations
This paper is a sequel of previous work, in which we have studied the traffic management problem in UMTS. The main objective was to improve the spectral efficiency of cellular netw...
Larissa Popova, Wolfgang H. Gerstacker, Wolfgang K...
CVPR
2006
IEEE
13 years 11 months ago
Multiple Face Model of Hybrid Fourier Feature for Large Face Image Set
The face recognition system based on the only single classifier considering the restricted information can not guarantee the generality and superiority of performances in a real s...
Wonjun Hwang, Gyu-tae Park, Jong Ha Lee, Seok-Cheo...