A cognitive radio receiver front-end IC based on spread spectrum sensing technique

Spectrum sensing in cognitive radio is an important part to detect unknown signal(s). This paper introduces a spread spectrum technique for spectrum sensing in cognitive radio in order to detect the availability of input spectrum within 800MHz to 3.5GHz frequency band. The designed receiver front-en...

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Bibliographic Details
Main Authors: Zhang, Ying, Ali, Meaamar, Zheng, Yuanjin
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2013
Subjects:
Online Access:https://hdl.handle.net/10356/106335
http://hdl.handle.net/10220/16617
http://dx.doi.org/10.1109/ISCAS.2013.6571782
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Institution: Nanyang Technological University
Language: English
Description
Summary:Spectrum sensing in cognitive radio is an important part to detect unknown signal(s). This paper introduces a spread spectrum technique for spectrum sensing in cognitive radio in order to detect the availability of input spectrum within 800MHz to 3.5GHz frequency band. The designed receiver front-end IC can achieve the simulated gain of 30dB, QVCO phase noise of -117dBc/Hz at 1MHz offset at 2.4GHz carrier, noise figure of 5.3dB, IIP3 of -21dBm and total power dissipation of 90mW, including VCO and Mixer buffer.