NDLI: Decision directed timing recovery for incoherent detection of GTFM/GMSK

Content Provider	IEEE Xplore Digital Library
Author	Cavers, J.K.
Copyright Year	1987
Description	Author affiliation: Simon Fraser University, Burnaby, B.C., Canada (Cavers, J.K.)
Abstract	The few published descriptions of bit timing recovery for GTFM or GMSK adopt the traditional analog approaches developed for MSK: typically, a collection of nonlinearities, filters, mixers and dividers. The result in a hardware implementation is an increase in parts count and cost. In a software implementation (i.e. on a signal processor) it is prohibitive, since the extra computation is magnified many times by the requirement for several samples per bit. This paper describes a good synchronizer which requires only the same once-per-bit samples used to make bit decisions, adding a negligible additional computation or hardware load. Analysis for high SNR highlights an explicit tradeoff among crystal accuracy, timing jitter and SNR. Simulation results demonstrate performance which is virtually identical to more complex methods. At the time of writing, the method, or a minor variant, has been implemented successfully in three different prototype modems.
Starting Page	266
Ending Page	271
File Size	435642
Page Count	6
File Format	PDF
DOI	10.1109/VTC.1987.1623555
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1987-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hardware Filters Costs Signal processing Accuracy Timing jitter Computational modeling Writing Prototypes Modems
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
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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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