NDLI: Experimental Multipath-Cluster Characteristics of 28-GHz Propagation Channel

Content Provider	IEEE Xplore Digital Library
Author	Xuefeng Yin Cen Ling Myung-Don Kim
Copyright Year	2013
Abstract	In this paper, a channel measurement campaign is introduced, which utilizes direction-scan-sounding to capture the spatial characteristics of 28-GHz wave propagation channels with 500-MHz sounding bandwidth in office environments. Both line-of-sight and non-line-of-sight scenarios were considered. Measurements were performed by fixing a transmit pyramidal horn antenna, and rotating another one in the receiver site at 10° steps in azimuth. The antenna outputs are viewed as array signals, and a space-alternating generalized expectation-maximization (SAGE) algorithm is applied to estimate delay and angular parameters of multipath components. Benefiting from high resolution achieved by using the SAGE and deembedding of antenna radiation pattern and system responses, more multipath clusters with less spreads in delay and azimuth are found per channel compared with existing works on 28-GHz propagation. The statistics of channel parameters extracted here constitute a preliminary stochastic multipath-cluster spatial channel model.
Starting Page	3138
Ending Page	3150
Page Count	13
File Size	16429371
File Format	PDF
ISSN	21693536
Volume Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Millimeter wave propagation Receiving antennas Horn antennas Directive antennas Antenna radiation patterns SAGE Cluster approximation multipath cluster Direction-scan-sounding millimeter wave propagation channel measurement horn antenna
Content Type	Text
Resource Type	Article
Subject	Computer Science Engineering Materials Science

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