Analysis on interference impact of WiFi on DTV

TV White Spaces (TVWS) are freed up when transition from analog television to Digital Television (DTV). Some wireless communications are allowable to operate in TVWSs, such unlicensed Wireless Fidelity (WiFi). Because TVWSs are located in the VHF and UHF bands, TVWSs can provide significantly better...

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Hauptverfasser:	Yan-Ming Cheng, Kai Wang, Il-Kyoo Lee, In-Kyoung Cho
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Digital TV DTV guard band IEEE 802.11 Standards Interference Interference probability protection distance Receivers Smart phones Transmitting antennas TVWS WiFi
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creator	Yan-Ming Cheng Kai Wang Il-Kyoo Lee In-Kyoung Cho
description	TV White Spaces (TVWS) are freed up when transition from analog television to Digital Television (DTV). Some wireless communications are allowable to operate in TVWSs, such unlicensed Wireless Fidelity (WiFi). Because TVWSs are located in the VHF and UHF bands, TVWSs can provide significantly better coverage and wall penetration inside buildings and other structures than the 2.4GHz and 5GHz WiFi frequencies currently in use. Therefore, this paper assumes that WiFi will be deployed in TVWSs. However, the interference impact of WiFi on DTV has to be taken into account. The interference probability in DTV receiver was evaluated by using Spectrum Engineering Advanced Monte-Carlo Analysis Tool (SEAMCAT). As results, if the interference probability of 5% is acceptable to DTV receiver, when 20 WiFi UEs are simultaneously operating at the maximum transmit power of 23 dBm and the guard band is 22 MHz, the protection distance should be at least 6 km.
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Some wireless communications are allowable to operate in TVWSs, such unlicensed Wireless Fidelity (WiFi). Because TVWSs are located in the VHF and UHF bands, TVWSs can provide significantly better coverage and wall penetration inside buildings and other structures than the 2.4GHz and 5GHz WiFi frequencies currently in use. Therefore, this paper assumes that WiFi will be deployed in TVWSs. However, the interference impact of WiFi on DTV has to be taken into account. The interference probability in DTV receiver was evaluated by using Spectrum Engineering Advanced Monte-Carlo Analysis Tool (SEAMCAT). As results, if the interference probability of 5% is acceptable to DTV receiver, when 20 WiFi UEs are simultaneously operating at the maximum transmit power of 23 dBm and the guard band is 22 MHz, the protection distance should be at least 6 km.</abstract><pub>IEEE</pub><tpages>4</tpages></addata></record>
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source	IEEE Electronic Library (IEL) Conference Proceedings
subjects	Digital TV DTV guard band IEEE 802.11 Standards Interference Interference probability protection distance Receivers Smart phones Transmitting antennas TVWS WiFi
title	Analysis on interference impact of WiFi on DTV
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