NDLI: Implementation of a propagation model for indoor environments for GSM

Content Provider	IEEE Xplore Digital Library
Author	Domingues, A. Correia, L.M.
Copyright Year	1999
Description	Author affiliation: Inst. Superior Tecnico, Tech. Univ. Lisbon, Portugal (Domingues, A.)
Abstract	This paper describes the implementation of an indoor propagation model based on a ray launching method. Rays are launched according to a cubic spatial structure, and their subdivision is done in a way that the spatial resolution is kept to a maximum value, specified by the user. Special care is taken for each ray's subdivision, so that aspects of reflection and obstruction by objects are taken into account. In order to validate the approximations performed and the model obtained, a comparison with measurements is made. These measurements were made in an underground car park where a GSM900 operator had installed one repeater and two indoor antennas. Results show a standard deviation error and a mean error of around 4 dB. Additionally, one concludes that an increase in resolution does not improve errors after a certain value.
Starting Page	2318
Ending Page	2322
File Size	578487
Page Count	5
File Format	PDF
ISBN	0780354354
ISSN	10903038
DOI	10.1109/VETECF.1999.797352
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-09-19
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indoor environments GSM Antenna measurements Ray tracing Telecommunications Spatial resolution Reflection Performance evaluation Repeaters Quality of service
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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