Localization of primary users by exploiting distance separation between secondary users

Audri Biswas*, Sam Reisenfeld, Mark Hedley, Zhuo Chen, Peng Cheng

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

Accurate localization of Primary Users (PUs) is an extremely useful procedure which can improve the performance of Cognitive Radio (CR) by more efficient dynamic allocation of channels and transmit powers for unlicensed users. In this paper, we analyze the performance of a Compressive Sensing (CS) method which simultaneously yields the PU transmitter locations and transmit powers for any channel in a Cognitive Radio Network (CRN). Additionally, we propose a novel approach of selectively eliminating Secondary User (SU) power observations from the set of SU receiving terminals such that pairs of the remaining SUs are separated by a minimum geographic distance. The modified algorithm demonstrates substantial performance improvements compared to random deployment of receiving terminals. Simulations were run for both the cases of uniform and Gaussian distributions for the SU random locations. The simulation results indicate that the new approach significantly reduced the number of received power measurements from SU terminals required to achieve a particular level of performance.

Original languageEnglish
Title of host publicationCognitive Radio Oriented Wireless Networks
Subtitle of host publication10th International Conference, CROWNCOM 2015, Doha, Qatar, April 21-23, 2015, Revised Selected Papers
EditorsMark Weichold, Mounir Hamdi, Muhammad Zeeshan Shakir, Mohamed Abdallah, George K. Karagiannidis, Muhammad Ismail
Place of PublicationCham
PublisherSpringer, Springer Nature
Pages451-462
Number of pages12
ISBN (Electronic)9783319245409
ISBN (Print)9783319245393
DOIs
Publication statusPublished - 2015
Event10th International Conference on Cognitive Radio Oriented Wireless Networks, CROWNCOM 2015 - Doha, Qatar
Duration: 21 Apr 201523 Apr 2015

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
PublisherSpringer International Publishing
Volume156
ISSN (Print)1867-8211
ISSN (Electronic)1867-822X

Other

Other10th International Conference on Cognitive Radio Oriented Wireless Networks, CROWNCOM 2015
CountryQatar
CityDoha
Period21/04/1523/04/15

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