Sum rate maximization for MU-MISO with partial CSIT using Joint Multicasting and Broadcasting

Hamdi Joudeh; Bruno Clercks

doi:10.1109/ICC.2015.7249071

Sum rate maximization for MU-MISO with partial CSIT using Joint Multicasting and Broadcasting

Hamdi Joudeh, Bruno Clercks

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

20 Citations (Scopus)

Abstract

In this paper, we consider a MU-MISO system where users have highly accurate Channel State Information (CSI), while the Base Station (BS) has partial CSI consisting of an imperfect channel estimate and statistical knowledge of the CSI error. With the objective of maximizing the Average Sum Rate (ASR) subject to a power constraint, a special transmission scheme is considered where the BS transmits a common symbol in a multicast fashion, in addition to the conventional private symbols. This scheme is termed Joint Multicasting and Broadcasting (JMB). The ASR problem is transformed into an augmented Average Weighted Sum Mean Square Error (AWSMSE) problem which is solved using Alternating Optimization (AO). The enhanced rate performance accompanied with the incorporation of the multicast part is demonstrated through simulations.

Original language	English
Title of host publication	2015 IEEE International Conference on Communications, ICC 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	4733-4738
Number of pages	6
Volume	2015-September
ISBN (Electronic)	9781467364324
DOIs	https://doi.org/10.1109/ICC.2015.7249071
Publication status	Published - 2015 Sep 9
Event	IEEE International Conference on Communications, ICC 2015 - London, United Kingdom Duration: 2015 Jun 8 → 2015 Jun 12

Other

Other	IEEE International Conference on Communications, ICC 2015
Country/Territory	United Kingdom
City	London
Period	15/6/8 → 15/6/12

Keywords

AWMSE
Imperfect CSIT
Joint Multicasting and Broadcasting (JMB)
Robust Design

ASJC Scopus subject areas

Electrical and Electronic Engineering
Computer Networks and Communications

Access to Document

10.1109/ICC.2015.7249071

Cite this

Sum rate maximization for MU-MISO with partial CSIT using Joint Multicasting and Broadcasting. / Joudeh, Hamdi; Clercks, Bruno.

2015 IEEE International Conference on Communications, ICC 2015. Vol. 2015-September Institute of Electrical and Electronics Engineers Inc., 2015. p. 4733-4738 7249071.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Joudeh, H & Clercks, B 2015, Sum rate maximization for MU-MISO with partial CSIT using Joint Multicasting and Broadcasting. in 2015 IEEE International Conference on Communications, ICC 2015. vol. 2015-September, 7249071, Institute of Electrical and Electronics Engineers Inc., pp. 4733-4738, IEEE International Conference on Communications, ICC 2015, London, United Kingdom, 15/6/8. https://doi.org/10.1109/ICC.2015.7249071

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AB - In this paper, we consider a MU-MISO system where users have highly accurate Channel State Information (CSI), while the Base Station (BS) has partial CSI consisting of an imperfect channel estimate and statistical knowledge of the CSI error. With the objective of maximizing the Average Sum Rate (ASR) subject to a power constraint, a special transmission scheme is considered where the BS transmits a common symbol in a multicast fashion, in addition to the conventional private symbols. This scheme is termed Joint Multicasting and Broadcasting (JMB). The ASR problem is transformed into an augmented Average Weighted Sum Mean Square Error (AWSMSE) problem which is solved using Alternating Optimization (AO). The enhanced rate performance accompanied with the incorporation of the multicast part is demonstrated through simulations.

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Sum rate maximization for MU-MISO with partial CSIT using Joint Multicasting and Broadcasting

Abstract

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Keywords

ASJC Scopus subject areas

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