NDLI: On subspace channel estimation for chip-level space-time block coded multi-rate CDMA

Content Provider	IEEE Xplore Digital Library
Author	Nicolov, E.B. Nazar, S.N. Psaromiligkos, I.N.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que. (Nicolov, E.B.; Nazar, S.N.; Psaromiligkos, I.N.)
Abstract	We investigate the problem of blind channel estimation for the downlink of a variable spreading gain (VSG) multi-rate DS/CDMA (MR CDMA) system which uses the orthogonal space-time block code (STBC) proposed by Alamouti. In contrast to traditional symbol-level STBC CDMA systems, we consider a chip-level ST block coding system for which we derive a simple subspace based blind channel estimation method. For this algorithm we investigate the necessary and sufficient conditions for the channel to be uniquely identifiable up to a complex multiplicative constant. Furthermore, we analyze the behavior of the channel estimation algorithm as a function of the data samples utilized, establishing its unbiasedness and providing a closed form expression for the mean-square-error (MSE) as well as the Cramer-Rao bound for the channel estimation performance
Starting Page	1525
Ending Page	1530
File Size	186016
Page Count	6
File Format	PDF
ISBN	1424402697
ISSN	15253511
e-ISBN	1424402700
DOI	10.1109/WCNC.2006.1696514
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Channel estimation Multiaccess communication Blind equalizers Block codes Transmitting antennas Downlink Gain Algorithm design and analysis Decoding Sufficient conditions
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