Indoor DTV reception: Measurement techniques

被引：12
|
作者：
Ong, JT [1 ]
Yan, H [1 ]
Rao, SVB [1 ]
Shanmugam, G [1 ]
机构：
[1] Nanyang Technol Univ, Positioning & Wireless Technol Ctr, Singapore 637553, Singapore
来源：
IEEE TRANSACTIONS ON BROADCASTING | 2004年 / 50卷 / 02期
关键词：
COFDM; DVB-T; indoor propagation; spatial variation of DTV signals;
D O I：
10.1109/TBC.2004.828371
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper explores the techniques for measuring DTV signals received in an indoor environment at UHF. It is found that the mean and standard deviation of the received signals are dependent on spatial sampling interval and the number of samples. A minimum spacing of 0.2lambda and a minimum number of 100 samples over a minimum length of 20lambda are required for more accurate and meaningful conclusions. A 0.5lambda window is recommended to compute the running mean. As no other precise measurements are available elsewhere for the UHF band, these results will be useful for planning of future fixed digital TV services.
引用
收藏
页码：192 / 199
页数：8
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