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» Cooperation and Cognitive Radio
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ICDCSW
2006
IEEE
15 years 3 months ago
Multi-radio channel allocation in competitive wireless networks
Channel allocation has been extensively studied in the framework of cellular networks, but the emergence of new system concepts, such as cognitive radio systems, bring this topic ...
Márk Félegyházi, Mario Cagalj...
GLOBECOM
2009
IEEE
15 years 1 months ago
A Probabilistic Approach to Identifying the Number of Frequency Hoppers for Spectrum Sensing
Characterizing the number and type of transmitters occupying a given frequency band is a critical aspect of spectrum sensing specifically and cognitive radio generally. We present ...
Yuxing Han, Shaunak Joshi, Lillian Dai, Danijela C...
ICASSP
2009
IEEE
15 years 1 months ago
Blind noise variance estimation for OFDMA signals
In this paper, we present two new noise variance estimation methods of OFDMA signals transmitted through an unknown multipath fading channel. We focus on blind estimation as it do...
François-Xavier Socheleau, Dominique Pastor...
WICON
2008
14 years 11 months ago
Traffic-aware dynamic spectrum access
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
Lei Yang, Lili Cao, Heather Zheng, Elizabeth M. Be...
76
Voted
VTC
2010
IEEE
172views Communications» more  VTC 2010»
14 years 8 months ago
A Cumulant-Based Characterization of the Aggregate Interference Power in Wireless Networks
— The importance of characterizing the aggregate interference power generated by a wireless network has increased with the emergence of different types of wireless networks such ...
Muhammad Aljuaid, Halim Yanikomeroglu