NDLI: On signal strength and multipath richness in multi-input multi-output systems

Content Provider	IEEE Xplore Digital Library
Author	Svantesson, T. Wallace, J.
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Brigham Young Univ., Provo, UT, USA (Svantesson, T.; Wallace, J.)
Abstract	A common practice when analyzing systems using multiple antennas at both ends is to focus on the multipath properties and normalize the SNR out of the channel matrix. This paper studies the relationship between the signal strength and multipath richness using indoor measurements taken at the Brigham Young University campus. It is found that the SNR and multipath richness can be strongly corrected. Hence, some caution is needed when normalizing out the SNR in system performance studies. Furthermore, for unnormalized channel, the channel capacity usually rises when moving from NLOS into LOS since the loss in multipath is more than compensated for by an increase in SNR. A theoretical study also reveals that for moderate sized systems, the required SNR increase for a LOS channel to yield the same channel capacity as a NLOS channel is not very large.
Starting Page	2683
Ending Page	2687
File Size	688895
Page Count	5
File Format	PDF
ISBN	0780378024
DOI	10.1109/ICC.2003.1204452
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Channel capacity Bandwidth Receiving antennas Transmitters Transmitting antennas Signal to noise ratio System performance Narrowband Signal analysis
Content Type	Text
Resource Type	Article

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