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» Generalized Access for MIMO Cognitive Radios
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TON
2012
13 years 7 days ago
Opportunistic Spectrum Access in Multiple-Primary-User Environments Under the Packet Collision Constraint
—Cognitive Radio (CR) technology has great potential to alleviate spectrum scarcity in wireless communications. It allows secondary users (SUs) to opportunistically access spectr...
Eric Jung, Xin Liu
INFOCOM
2009
IEEE
15 years 4 months ago
ALDO: An Anomaly Detection Framework for Dynamic Spectrum Access Networks
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
Song Liu, Yingying Chen, Wade Trappe, Larry J. Gre...
MOBICOM
2009
ACM
15 years 2 months ago
Understanding cross-band interference in unsynchronized spectrum access
We consider the problem of cross-band interference when devices from the same or different networks share radio spectrum. Cross-band interference occurs when unsynchronized trans...
Wei Hou, Lei Yang, Lin Zhang, Xiuming Shan, Heathe...
MOBIHOC
2009
ACM
15 years 10 months ago
Demonstration of highly programmable downlink OFDMA (WiMax) transceivers for SDR systems
In this paper, we present the architecture of a highly configurable multi-input multi?output (MIMO) orthogonal frequency division multiple access (OFDMA) platform. The platform is...
Hamid Eslami, Gaurav Patel, Chitaranjan P. Sukumar...
MOBIHOC
2012
ACM
13 years 8 days ago
Enforcing dynamic spectrum access with spectrum permits
Dynamic spectrum access is a maturing technology that allows next generation wireless devices to make highly efficient use of wireless spectrum. Spectrum can be allocated on an o...
Lei Yang, Zengbin Zhang, Ben Y. Zhao, Christopher ...