NDLI: Linearly constrained interference rejection for improved spread spectrum performance

Content Provider	IEEE Xplore Digital Library
Author	Doherty, J.F.
Copyright Year	1992
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Iowa State Univ., Ames, IA, USA (Doherty, J.F.)
Abstract	An adaptive technique is presented that utilizes the known characteristics of the pseudonoise spread spectrum sequence to enhance the detection capabilities diminished by interference excision. The new technique uses a constrained excision to decrease the bit error rate. The formation of constraint surfaces is the basis of the projection technique used in the adaptive update of the excision filter. The constrained updating of the filter coefficients retains the interference rejection properties of the excision filter while decreasing the variance of the decision variable. The filter operates without training bits and requires little additional computational processing cost over a standard adaptive excision filter. Simulation results demonstrate the mean square error improvement obtained by using the constrained excision filter.<>
Starting Page	1257
Ending Page	1261
File Size	319086
Page Count	5
File Format	PDF
ISBN	078030599X
DOI	10.1109/ICC.1992.268039
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-06-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference constraints Spread spectrum communication Adaptive filters Finite impulse response filter Adaptive algorithm Nonlinear filters Equations Least squares approximation Transversal filters Bit error rate
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
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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