NDLI: Practical Implementation of the Combinational Cooperative Detection Method

Content Provider	Springer Nature Link
Author	Çatak, Evren Erküçük, Serhat
Copyright Year	2014
Abstract	In conventional cooperative detection, a fusion center decides on the presence or the absence of a primary user (PU) by gathering all the information from secondary users (SUs) and conveys this decision to all users. This approach does not take into account the locations of the SUs, where a user far from the PU may also have to keep silent. An alternative method referred to as the combinational cooperative detection method in this study, was recently proposed to solve this problem. This method is based on combining received signals from more than two users, obtaining decision tables, and deciding individually for each user. While the proposed method showed promising results for the SUs, there were unclear issues regarding the practical implementation of this method. Motivated by this, we address these issues from a realistic implementation point of view in this paper. Accordingly, (i) the effects of location and distribution of the SUs on the detection performance are studied in terms of system parameters; (ii) the conventional cooperative detection performance is clearly defined as a benchmark; and (iii) a novel method is developed to improve the combinational cooperative detection performance, where the achievable false detection and miss-detection probabilities are quantified. The results of this study are important to define the conditions where the implementation of the combinational cooperative detection method may be preferred over the conventional cooperative detection method.
Starting Page	723
Ending Page	738
Page Count	16
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	80
Issue Number	2
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2014-09-16
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cognitive radio Conventional cooperative detection Combinational cooperative detection Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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