University of Oulu

A. Tölli, J. Kaleva, S. P. Shariatpanahi and B. Khalaj, "Linear Multicast Beamforming Schemes for Coded Caching," 2018 52nd Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, 2018, pp. 172-176. doi: 10.1109/ACSSC.2018.8645285

Linear multicast beamforming schemes for coded caching

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Author: Tölli, Antti1; Kaleva, Jarkko1; Shariatpanahi, Seyed Pooya2;
Organizations: 1Centre for Wireless Communications, University of Oulu, P.O. Box 4500, 90014, Finland
2School of Computer Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
3Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.5 MB)
Persistent link: http://urn.fi/urn:nbn:fi-fe202001081444
Language: English
Published: Institute of Electrical and Electronics Engineers, 2019
Publish Date: 2020-01-08
Description:

Abstract

A single cell downlink scenario is considered, where a multiple-antenna base station delivers contents to cache-enabled user terminals. Depending on the available degrees of freedom, several multicast messages are transmitted in parallel to distinct subsets of users. In the multicast beamformer design, we restrict ourselves to linear receiver implementation, which does not require successive interference cancellation unlike in the more optimal baseline scheme. With a small loss in performance, the complexity of both the receiver and transmitter implementation can be significantly reduced.

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Series: Asilomar Conference on Signals, Systems & Computers
ISSN: 1058-6393
ISSN-E: 1058-6393
ISSN-L: 1058-6393
ISBN: 978-1-5386-9216-5
ISBN Print: 978-1-5386-9218-9
Pages: 172 - 176
Article number: 8645285
DOI: 10.1109/ACSSC.2018.8645285
OADOI: https://oadoi.org/10.1109/ACSSC.2018.8645285
Host publication: Conference Record of the Fifty-Second Asilomar Conference on Signals, Systems & Computers
Host publication editor: Matthews, Michael B.
Conference: Asilomar Conference on Signals, Systems and Computers
Type of Publication: A4 Article in conference proceedings
Field of Science: 212 Civil and construction engineering
Subjects:
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