Title :
Time delay spread profile measurement using a spread spectrum off-line correlation technique
Author :
Street, A.M. ; Jenkins, A.P. ; Edwards, D.J.
Author_Institution :
Dept. of Eng. & Sci., Oxford Univ., UK
fDate :
12/3/1993 12:00:00 AM
Abstract :
This paper describes a high bit rate channel sounder that operates at 1.5 GHz with a resolution of approximately 6 ns, suitable for short-distance measurements of the indoor communications channel. A maximal length sequence probe signal is used with the correlation performed off-line using software, allowing a simple low-cost measurement system to be realised. The receiver operates in the homodyne mode so that both the in-phase and quadrature channels can be measured and combined to obtain the envelope delay spread profile of the channel
Keywords :
correlation methods; delays; digital radio systems; microwave measurement; radio receivers; radiowave propagation; spread spectrum communication; telecommunication channels; 1.5 GHz; UHF; envelope delay spread profile; high bit rate channel sounder; homodyne receiver; indoor communications channel; low-cost measurement system; maximal length sequence probe signal; spread spectrum off-line correlation;
Conference_Titel :
High Bit Rate UHF/SHF Channel Sounders - Technology and Measurement, IEE Colloquium on
Conference_Location :
London
