MEASUREMENT OF RANDOM TIME-VARIANT LINEAR CHANNELS

被引:50
作者
BELLO, PA
机构
[1] Signatron, Inc., Lexington
关键词
D O I
10.1109/TIT.1969.1054332
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper concerns the problems of the measurability and measurement of random time-variant linear channels. With regard to measurability, a new, less stringent channel measurability criterion is proposed to supersede the BL product introduced by Kailath. This criterion involves the area of occupancy of the Doppler-delay spread function (or its dual). By using time and bandwidth constraints on the input and output of a channel, channel measurement is reduced to the measurement of a discrete set of finite para-meters. Optimal measurement techniques are described and their performances determined for both known and unknown channel correlation functions. © 1969 IEEE
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页码:469 / +
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