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Toward Coexistence and Sharing between IMT-Advanced and Existing Fixed Systems
Zaid Ahmed Shamsan, Sharifah Kamilah Syed-Yusof, Tharek Abd. Rahman
Pages - 30 - 47     |    Revised - 05-08-2008     |    Published - 16-09-2008
Volume - 2   Issue - 3    |    Publication Date - June 2008  Table of Contents
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KEYWORDS
ACIR, Additional isolation, Spectral emission mask, FWA systems, IMT-Advanced system
ABSTRACT
In this paper coexistence and spectrum sharing between systems as a recently critical issue due to emerging new wireless technologies and spectrum scarcity are investigated. At World Radiocommunication Conferences 2007 (WRC-07), International Telecommunication Union - Radiocommunications (ITU-R) allocated 3400-3600 MHz band for the coming fourth generation (4G) or IMT-Advanced on a co-primary basis along with existing Fixed Wireless Access (FWA) systems. Therefore, coexistence and sharing requirements like separation distance and frequency separation coordination must be achieved in terms of both co-channel and adjacent channel frequencies. Co-sited the two base stations antennas and non co-sited coexistence of the two systems are analyzed. The interference analysis models, Adjacent Channel Interference Ratio (ACIR) and spectrum emission mask are applied in the 3.5 GHz band to extract the additional isolation needed to protect adjacent channel interference. Also interference to noise ratio as a standard interference criteria is introduced. Finally, possible intersystem interference mitigation techniques are suggested and explained.
CITED BY (5)  
1 Hassan, W. A., & Rahman, T. A. (2014). Coexistence model for compatibility between IMT-advanced and other wireless communication services. Wireless Personal Communications, 79(3), 2025-2039.
2 Hassan, W. A., & Rahman, T. A. (2012). A Spectrum Sharing Model for Compatibility between IMT-Advanced and Digital Broadcasting. TIIS, 6(9), 2073-2085.
3 M. Majed, “Coexistence between the Mobile Service and Terrestrial - Digital Video Broadcasting in the 790-862 MHz frequency band”. Master’s Thesis, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 2010.
4 Z. A. Shamsan and T. A, Rahman, “Intersystem Interference Scenarios between Fixed and IMT-Advanced Services in Different Terrestrial Regions”, in Proceedings, Future Computer and Communication, International Conference, Kuala Lumpar, 3-5 April 2009, pp. 237 – 240.
5 Z. A. Shamsan and T. B. A. Rahman, “On The Comparison of Intersystem Interference Scenarios Between Imt-Advanced and Fixed Services Over Various Deployment Areas At 3500 MHZ”, PIER C Progress In Electromagnetics Research C, 5, pp. 169-185, 2008.
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Dr. Zaid Ahmed Shamsan
Wireless communication center (WCC), Universiti Teknologi Malaysia (UTM) - Malaysia
shamsan22@yahoo.com
Mr. Sharifah Kamilah Syed-Yusof
Universiti Teknologi Malaysia (UTM) - Malaysia
Mr. Tharek Abd. Rahman
Wireless communication center (WCC). Faculty of Electrical Engineering. Universiti Teknologi Malaysia (UTM) - Malaysia


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