NDLI: Degrees of Freedom of Downlink Single- and Multi-Cell Multi-User MIMO Systems with Location Based CSIT

Content Provider	IEEE Xplore Digital Library
Author	Guibene, W. Slock, D.
Copyright Year	2013
Description	Author affiliation: EURECOM, Biot Sophia Antipolis, France (Guibene, W.; Slock, D.)
Abstract	Multiple antennas facilitate the coexistence of multiple users in wireless communications, leading to spatial multiplexing and spatial division and to significant system capacity increase. However, this comes at the cost of very precise channel state information at the transmitters (CSIT). We advocate the use of channel propagation models to transform location information into (possibly incomplete) CSIT. We investigate the resulting multi-user sum rate from a DoF (Degree of Freedom, high SNR rate prelog, spatial multiplexing factor) point of view. For single-cell multi-user communications, we argue for a revival of SDMA (Spatial Division Multiple Access). In the MIMO case, the receive antennas can suppress the Non Line of Sight (NLoS) channel components to transform the MIMO channel into a MISO LoS channel, allowing the CSIT to be limited to LoS information. For the multi-cell problem, we consider the feasibility of interference aligment in the case of reduced rank MIMO channels. We then focus on the LoS components. Whereas in general MIMO multi-cell coordinated beamforming, the transmitters require global CSIT due to the coupling between transmit and receive filters, in the LoS case decoupling arises, permitting location based transmit beamforming. 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.
Sponsorship	IEEE Vehicular Technol. Soc.
Starting Page	1
Ending Page	5
File Size	197945
Page Count	5
File Format	PDF
ISBN	9781467363372
ISSN	15502252
DOI	10.1109/VTCSpring.2013.6692501
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	MIMO Interference Multiaccess communication Wireless communication Integrated circuits Fading Antennas
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

Retrospective Interference Alignment for the 3-user MIMO interference channel with delayed CSIT

Cognitive Multi-User MIMO downlink with mixed feedback/location based Gaussian CSIT

The Degrees of Freedom Region and Interference Alignment for the MIMO Interference Channel With Delayed CSIT

On the degrees of freedom of the three-user MIMO interference channel with delayed CSIT

The degrees of freedom region of the two-user MIMO broadcast channel with delayed CSIT

Interference Alignment with Incomplete CSIT Sharing

Degrees of Freedom of the MIMO Z-Interference Channel With Delayed CSIT

Novel Layered Space-Frequency Architecture for Uplink Multi-User MIMO-CDMA Systems

Degrees of Freedom for Mutually Interfering Broadcast Channels

Degrees of Freedom of Downlink Single- and Multi-Cell Multi-User MIMO Systems with Location Based CSIT

Similar Documents

Retrospective Interference Alignment for the 3-user MIMO interference channel with delayed CSIT

Cognitive Multi-User MIMO downlink with mixed feedback/location based Gaussian CSIT

The Degrees of Freedom Region and Interference Alignment for the MIMO Interference Channel With Delayed CSIT

On the degrees of freedom of the three-user MIMO interference channel with delayed CSIT

The degrees of freedom region of the two-user MIMO broadcast channel with delayed CSIT

Interference Alignment with Incomplete CSIT Sharing

Degrees of Freedom of the MIMO Z-Interference Channel With Delayed CSIT

Novel Layered Space-Frequency Architecture for Uplink Multi-User MIMO-CDMA Systems

Degrees of Freedom for Mutually Interfering Broadcast Channels

Degrees of Freedom of Downlink Single- and Multi-Cell Multi-User MIMO Systems with Location Based CSIT