NDLI: Location aided wireless communications

Content Provider	IEEE Xplore Digital Library
Author	Slock, D.
Copyright Year	2012
Description	Author affiliation: EURECOM 2229 route des Cr≖tes, BP 193, 06904 Sophia Antipolis Cedex, France (Slock, D.)
Abstract	The availability of location information of mobile terminals, relays, femto cells and primary units provides opportunities to greatly enhance the operation of wireless communication systems. We provide an overview of some of the possibilities, starting with physical layer considerations for a single link. However, most of the opportunities concern resource allocation aspects. Especially for multi-user systems, for which recent information theory progress has shown that an optimized handling may lead to significant system capacity increase. But the optimization of multi-user systems requires very precise Channel State Information at the Transmitter (CSIT). The problem is compounded when taking furthermore user selection into account. CSIT is typically obtained by feedback (FB), which leads to transmission overhead. Channel reciprocity based TDD systems only represent a limited alternative in multi-cell settings, or for user selection. For single-cell multi-user communications, we argue for a revival of SDMA (Spatial Division Multiple Access). We then consider the multi-cell problem, and cognitive radio. Some (but not all) of the location aided techniques require substantial databases, which have come into vogue in the context of flexible spectrum access. Location aided techniques may furthermore exploit location prediction through mobility trajectory information. This would allow slow fading (and even connectivity) predictibility, something that is difficult to achieve without location information. Of course, proposals for location aided techniques need to be weighted against classical approaches (CSIT learning) in order to assess their definitive value.
Starting Page	1
Ending Page	6
File Size	548560
Page Count	6
File Format	PDF
ISBN	9781467302746
e-ISBN	9781467302760
DOI	10.1109/ISCCSP.2012.6217868
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-02
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	mobility SDMA multi-user multi-cell Interference Multiaccess communication Cognitive radio Wireless communications Channel estimation MIMO location Antennas Signal to noise ratio
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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