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ICASSP
2008
IEEE
15 years 10 months ago
Utility-based power control for peer-to-peer cognitive radio networks with heterogeneous QoS constraints
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
Nikolaos Gatsis, Antonio G. Marqués, Georgi...
ICPR
2008
IEEE
15 years 10 months ago
Learning a discriminative sparse tri-value transform
Simple binary patterns have been successfully used for extracting feature representations for visual object classification. In this paper, we present a method to learn a set of d...
Zhenhua Qu, Guoping Qiu, Pong Chi Yuen
INFOCOM
2008
IEEE
15 years 10 months ago
Modeling the Evolution of Degree Correlation in Scale-Free Topology Generators
—In this paper, we examine the asymptotic behavior of degree correlation (i.e., the joint degree distribution of adjacent nodes) in several scale-free topology generators GED [13...
Xiaoming Wang, Xiliang Liu, Dmitri Loguinov
IPPS
2008
IEEE
15 years 10 months ago
Middleware support for delay-tolerant service provision in disconnected mobile ad hoc networks
The service-oriented approach is known to be adequate for building distributed applications for mobile ad hoc networks, and a number of successful research works using this approa...
Yves Mahéo, Romeo Said, Frédé...
ISCAS
2008
IEEE
135views Hardware» more  ISCAS 2008»
15 years 10 months ago
Semi-blind channel estimation of MIMO-OFDM systems with pulse shaping
Abstract— Most of the existing MIMO-OFDM channel estimation methods do not take into account the effect of the pulseshaping filter in the transmitter nor of the matched filter ...
Feng Wan, Wei-Ping Zhu, M. N. S. Swamy