NDLI: Effects of path visibility on channel capacity of urban MIMO systems

Content Provider	IEEE Xplore Digital Library
Author	Hemrungrote, S. Hori, T. Fujimoto, M. Nishimori, K.
Copyright Year	2010
Description	Author affiliation: NTT Network Innovation Laboratories, NTT Corporation, Yokosuka, 239-0847, Japan (Nishimori, K.) \|\| Graduate School of Engineering, University of Fukui, 910-8507, Japan (Hemrungrote, S.; Hori, T.; Fujimoto, M.)
Abstract	Multiple-Input Multiple-Output (MIMO) wireless communication technology has been expected to improve the channel capacity with a limited bandwidth for the future networks. Since the propagation environment or the propagation channel becomes very complex, it is difficult to simply estimate the channel capacity in urban MIMO systems. Hence, we introduce the characteristics of channel capacity in urban MIMO system by using a ray-tracing method. The simulation by this method with variable parameters can estimate various urban propagation characteristics and discriminate the effects of the urban model and antenna configurations. Moreover, we introduce path visibility, which is defined as the probability that at least one of the antenna elements of the mobile terminal (MT) can receive the direct wave when considering the downlink scenario, in order to make a measure in urban MIMO systems. It is represented in this study that the characteristics of the channel capacity can be figured out directly from the path visibility by the ray-tracing simulation. It also gives the guidance that the appropriate range of the base station (BS) antenna height can be determined from the path visibility.
Starting Page	653
Ending Page	656
File Size	269047
Page Count	4
File Format	PDF
ISBN	9781424447251
DOI	10.1109/RWS.2010.5434149
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-01-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel capacity MIMO Ray tracing Antennas and propagation Wireless communication Communications technology Bandwidth Parameter estimation Urban planning Mobile antennas urban area path visibility channel capacity
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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