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Toward Coexistence and Sharing between IMT-Advanced and Existing Fixed Systems
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International Journal of Computer Science and Security (IJCSS)
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Volume:  2    Issue:  3
Pages:  1-65
Publication Date:   June 2008
ISSN (Online): 1985-1553
Pages 
30 - 47
Author(s)  
 
Published Date   
16-09-2008 
Publisher 
CSC Journals, Kuala Lumpur, Malaysia
ADDITIONAL INFORMATION
Keywords   Abstract   References   Cited by   Related Articles   Collaborative Colleague
 
KEYWORDS:   ACIR, Additional isolation, Spectral emission mask, FWA systems, IMT-Advanced system 
 
 
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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.  
 
 
 
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3 CEPT ECC Report 100. “Compatibility Studies in the Band 3400- 3800 MHz between broadband wireless access (BWA) systems and other services”. 2007.
4 ITU-R M.1645. “Framework and overall objectives of the future development of IMT 2000 and systems beyond IMT 2000. 2003.
5 ITU-R IMT.TECH, 18-07-0026-00-0000_ IMT_ Advanced.doc.
6 A. Mihovska, R. Prasad. “Secure personal networks for IMT-Advanced connectivity”. Springer Science+Business Media, LLC. 2008.
7 P. Scheele. “WINNER-final meeting on WRC-07 outcome (on IMT)”. BNetzA, Munich, 2007.
8 ETSI EN 302 326-2 (V1.2.2). “Fixed radio systems; multipoint equipment and antennas; part 2: harmonized EN covering the essential requirements of article 3.2 of the R&TTE directive for digital multipoint radio equipment”. 2007.
9 3GPP. “Radio frequency system scenarios, 3GPP TS 25.942 Version 6.4.0, March 2005.
10 ETSI EN 301 021 (V1.6.1). “Fixed radio systems; point-to-multipoint equipment; time division multiple access (TDMA); point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz”. 2003.
11 I. Ferdo. “4 GHz for 4G: Why, How and When?”. IEEE Conference, pp. 831-834, 2006.
12 ITU-R Document 8F/1015-E. “Sharing Studies between FSS and IMT-Advanced systems in the 3400-4200 and 4500-4800 MHz bands”. 2006.
13 MCMC SRSP – 507a. “Requirements for FWA systems operating in the frequency band from 3400 MHz to 3700 MHz”. No.1, 2001.
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18 ITU-R Recommendation F.1402. “Frequency sharing criteria between a land mobile wireless access system and a fixed wireless access system using the same equipment type as the mobile wireless access system”. 1999.
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22 ITU-R P.452-12. “Prediction procedure for the evaluation of microwave interference between stations on the surface of the earth at frequencies above about 0.7 GHz”. 2005.
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27 3GPP. “User equipment (UE) radio transmission and reception (TDD)”. 3GPP TS 25.102 Version 5.1.0.
28 Draft Report for ITU-R M.2045. “Mitigating techniques to address coexistence between IMT- 2000 TDD and FDD radio interface technologies within the frequency range 2 500-2 690 MHz operating in adjacent bands and in the same geographical area”. 2004.
29 T. Wilkinson, and P. Howard. “The Practical realities of 3GPP TDD and FDD co-existence and their impact on the future spectrum allocation”. In Proceedings of the 15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Barcelona, Spain, 1: 22- 26, 2004.
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1 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.
2 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.
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.
 
 
 
1 sites.google
 
2 Umm Al-Qura University
 
3 yasni
 
4 Universiti Teknologi Malaysia
 
 
 
Zaid Ahmed Shamsan : Colleagues
Sharifah Kamilah Syed-Yusof : Colleagues
Tharek Abd. Rahman : Colleagues  
 
 
 
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