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IEICE TRANSACTIONS on Fundamentals

Cooperative Spectrum Sensing Using Sub-Nyquist Sampling in Cognitive Radios

Honggyu JUNG, Thu L. N. NGUYEN, Yoan SHIN

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Summary :

We propose a cooperative spectrum sensing scheme based on sub-Nyquist sampling in cognitive radios. Our main purpose is to understand the uncertainty caused by sub-Nyquist sampling and to present a sensing scheme that operates at low sampling rates. In order to alleviate the aliasing effect of sub-Nyquist sampling, we utilize cooperation among secondary users and the sparsity order of channel occupancy. The simulation results show that the proposed scheme can achieve reasonable sensing performance even at low sampling rates.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E99-A No.3 pp.770-773
Publication Date
2016/03/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E99.A.770
Type of Manuscript
LETTER
Category
Communication Theory and Signals

Authors

Honggyu JUNG
  Soongsil University
Thu L. N. NGUYEN
  Soongsil University
Yoan SHIN
  Soongsil University

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