NDLI: Performance Analysis and Design Guidelines for Multiple Four-Wire Path Telephone Connections

Content Provider	IEEE Xplore Digital Library
Author	Gruber, J.
Copyright Year	1972
Abstract	In this paper the listener echo performance of telephone network connections with more than one four-wire path is considered. The objective is to obtain simple design guidelines for the application of four-wire transmission and switching technologies, such that satisfactory listener echo performance for voice and voiceband data services is achieved. The performance analysis is based on a simple but accurate approximation of the overall connection frequency response. The amplitude response of each connection component is uniform. The general case of nonidentical four-wire paths and nonidentical interconnecting twowire paths is considered. Results are presented for: . the overall connection stability margin, and conditions for connection stability, . the condition for satisfactory connection performance, and . the relative merits of allocating required increases in connection stability margin to return losses, and to four-wire and two-wire path losses. A practical example illustrates the results.
Starting Page	647
Ending Page	653
Page Count	7
File Size	718215
File Format	PDF
ISSN	00906778
Volume Number	34
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1986-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Guidelines Telephony Samarium Stability Frequency response Performance loss Open loop systems Wire Communication cables
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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
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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