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On the Capacity Scalings of the Multiple Antenna Group-Broadcast Systems

Dana, Amir F. and Al-Naffouri, Tareq Y. and Hassibi, Babak (2007) On the Capacity Scalings of the Multiple Antenna Group-Broadcast Systems. In: IEEE International Symposium on Information Theory, 2007. ISIT 2007. IEEE , Piscataway, NJ, pp. 771-775. ISBN 978-1-4244-1397-3. https://resolver.caltech.edu/CaltechAUTHORS:20150205-074459178

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Abstract

In this paper, we consider a multi-user system called the group-broadcast system. In this scenario the users are divided into different groups. Users in each group are interested in a common information independent from that of other groups. Such a situation occurs for example in digital audio and video broadcast systems where the users are divided into various groups according to the shows they are interested in. The paper first obtains upper and lower bounds for the sum rate capacity. Then it looks at system capacity for the large number of users regime and fixed number of antennas. Finally, the case when the number of users and antennas grow simultaneously is studied. It is shown that in order to achieve a constant rate per user the number of transmit antennas should scale at least logarithmically in the number of users.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/ISIT.2007.4557318DOIArticle
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4557318PublisherArticle
ORCID:
AuthorORCID
Al-Naffouri, Tareq Y.0000-0001-6955-4720
Additional Information:© 2007 IEEE.
Record Number:CaltechAUTHORS:20150205-074459178
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150205-074459178
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:54401
Collection:CaltechAUTHORS
Deposited By: Shirley Slattery
Deposited On:06 Feb 2015 20:00
Last Modified:09 Mar 2020 13:18

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