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Computational Analysis for Digital TV Protection from Cognitive Radio

Young-Keun YOON, Ik-Guen CHOI

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Summary :

Digital TV (DTV) protection from the potential interference caused to a communication system using the cognitive radio (CR) technologies is so important for the frequency sharing between a DTV station and a communication system. In this letter, two results of the interference analysis at the co-channel bandwidth of 6 MHz are provided. One is the requirement of the protection ratio (PR) to a DTV station, which means the received signal strength of a DTV station to the interfering signal strength of a communication system ratio. The other shows the interference effect to the service area of a DTV station, when the transmit power of a communication system is either 100 W or 4 W, and the PR of a DTV station is 15 dB. Their results describe that an interferer's transmit power should be limited, because of protecting DTV station and sharing co-channel frequencies.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.3 pp.980-983
Publication Date
2008/03/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.3.980
Type of Manuscript
LETTER
Category
Broadcast Systems

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