NDLI: Exploiting Position Information for Synchronization in Coordinated Multipoint Transmission

Content Provider	IEEE Xplore Digital Library
Author	Dammann, A. Raulefs, R.
Copyright Year	2013
Description	Author affiliation: Inst. of Commun. & Navig., German Aerosp. Center (DLR), Wessling, Germany (Dammann, A.; Raulefs, R.)
Abstract	Cellular communications systems suffer from interference in particular at cell edge regions. This is also the case for downlink synchronization signals. Such synchronization signals are base station specific and superimpose at a mobile terminal with different delays and amplitudes. This causes inter cellular interference depending on the cross correlation properties of the particular synchronization signals. Assuming knowledge about the positions of the serving and interfering base stations and having available a position estimate of the mobile terminal, there is a-priori information about the different signal propagation delays at the mobile terminal's position. Using this information, synchronization signals received from adjacent base stations can be timely related. For this reason, former interference can at least partly be turned into useful signal and exploited for improving synchronization performance especially at the critical cell edge regions. Within this paper we evaluate the benefit of position information for a mobile terminal in order to improve mobile terminal synchronization performance. The analysis is based on calculating the Cramér-Rao lower bound for this particular problem. In particular, we will derive additional Fisher information about OFDM symbol timing from position information about the mobile terminal.
Sponsorship	IEEE Vehicular Technol. Soc.
Starting Page	1
Ending Page	5
File Size	221643
Page Count	5
File Format	PDF
ISBN	9781467363372
ISSN	15502252
DOI	10.1109/VTCSpring.2013.6692558
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-02
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Synchronization Mobile communication Propagation delay NIST Base stations Interference Jacobian matrices
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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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