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» Coexistence of radio networks using Aloha
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ICASSP
2011
IEEE
12 years 9 months ago
Optimal transmission strategies for channel capture mitigation in Cognitive Radio Networks
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...
Yingxi Liu, Nikhil Kundargi, Ahmed H. Tewfik
ICC
2007
IEEE
145views Communications» more  ICC 2007»
13 years 11 months ago
Enhancements to Cognitive Radio Based IEEE 802.22 Air-Interface
—The IEEE 802.22 standard for wireless regional area network is the first standard for cognitive radio that tries to harness the idle or under-utilized spectrum allocated for TV...
Shamik Sengupta, Swastik Brahma, Mainak Chatterjee...
TWC
2008
188views more  TWC 2008»
13 years 5 months ago
Joint power control and beamforming for cognitive radio networks
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...
Habibul Islam, Ying-Chang Liang, Anh Tuan Hoang
GLOBECOM
2008
IEEE
13 years 11 months ago
Collaborative Opportunistic Spectrum Access in the Presence of Multiple Transmitters
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
Ahmed O. Nasif, Brian L. Mark
SIGCOMM
2010
ACM
13 years 5 months ago
MPAP: virtualization architecture for heterogenous wireless APs
This demonstration shows a novel virtualization architecture, called Multi-Purpose Access Point (MPAP), which can virtualize multiple heterogenous wireless standards based on soft...
Yong He, Ji Fang, Jiansong Zhang, Haichen Shen, Ku...