NDLI: Indoor propagation measurements at 2.45GHz and 17GHz

Content Provider	IEEE Xplore Digital Library
Author	Laughton, D. Free, C.
Copyright Year	1993
Description	Author affiliation: School of Electronic Engineering, Middlesex University, Bounds Green Rd, London N11 2NQ, United Kingdom. Tel: +44 81 362 5734; Fax: +44 81 362 5736 (Laughton, D.; Free, C.)
Abstract	Microwave propagation measurements taken within an indoor environment are presented which illustrate the advantages to be obtained by using circularly polarized signals rather than linearly polarized signals. Particular emphasis has been placed on the cross-polarization effects within multipath channels. Two frequencies were investigated, namely 2.45GHz and 17GHz, which were chosen to correspond with those recently designated for indoor telemetry. Data are presented which quantify the degree of cross-polarization between the two modes of circular polarization, which has implications for the development of multi-channel systems or the implementation of polarization shift keying. Comparative measurements are presented for propagation at the two frequencies specified within a building which has a significant degree of shielding incorporated into the fabric of the structure. It is intended that the measurements obtained, together with a more rigorous analysis of the behaviour of circulary polarized signals on reflection, will enable a more accurate model to be developed for simulating indoor channel performance using circularly polarized signals.
Starting Page	173
Ending Page	175
File Size	3611543
Page Count	3
File Format	PDF
DOI	10.1109/EUMA.1993.336832
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-09-06
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave propagation Microwave measurements Indoor environments Multipath channels Telemetry Polarization shift keying Frequency measurement Buildings Fabrics Signal analysis
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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