Coexistence of DTV and TV white space systems


Foo, Yee Loo and Takada, Junichi (2016) Coexistence of DTV and TV white space systems. International Journal of Communication Systems. ISSN 1074-5351

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It is foreseeable that in near future, heterogeneous TV white space (TVWS) systems will operate in underused TV bands. Potential interference between TVWS systems and digital TV (DTV) broadcast system is a major concern. These TVWS systems need to maintain from the DTV service boundary some keep-out distances dk, which vary depending on circumstances. This work provides a comprehensive analysis on dk for different TVWS devices that operate on co- and adjacent channels, based on 2 different protection criteria for DTV service, using 4 different propagation models (each suits different propagation environment) for estimating dk. In brief, this article contributes to the mathematical technique of determining dk under different circumstances. On the basis of the conditions chosen for the analysis, we come up with some recommendations for dk. Moreover, we share our opinions on some regulatory requirements for dk. The strictness of the regulatory requirement in this matter is important because when it is appropriately set, it can actually promote further development and expansion of TVWS technologies.

Item Type: Article
Uncontrolled Keywords: Interference, Keep‐out distance, Radiowave propagation, Regulation, TV white space, Unlicensed transmission
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL500-777 Aeronautics. Aeronautical engineering
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 09 Jul 2020 08:55
Last Modified: 09 Jul 2020 08:55


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