Current Issue : October-December
Volume : 2012
Issue Number : 4
Articles : 1 Articles
Cognitive Radio (CR) for dynamic spectrum access enables opportunistic use of the radio-frequency (RF) spectrum, allowing unlicensed users to utilize licensed bands under the condition that they interfere as little as possible with the licensees. In this paper a survey on performance of cognitive radio is made. The performance parameters includes synchronization issues like frequency & timing error, phase noise, IQ-imbalance and hidden terminal problem. These errors occures due to either non-ideal analog components, movement of the transceiver or imperfect synchronization. Methods to overcome these problems are discussed....
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