Power and subcarrier allocation for multicast services in distributed antenna systems

Lin Tian; Yiqing Zhou; Yucheng Zhang; Gang Sun; Jinglin Shi

doi:10.1109/GLOCOM.2011.6133719

Power and subcarrier allocation for multicast services in distributed antenna systems

Lin Tian^*, Yiqing Zhou, Yucheng Zhang, Gang Sun, Jinglin Shi

^*Corresponding author for this work

School of Engineering

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

6 Citations (Scopus)

Abstract

This paper focuses on the resource allocation of multicast services in Distributed Antenna Systems (DAS). First of all, the capacity limitation of conventional multicast ransmission in DAS is analyzed. Then a resource allocation algorithm for multicast services is proposed to improve the system throughput of DAS with Quality of Services (QoS) guarantees. The proposed algorithm includes three steps: Power Assignment, Conservative Allocation and Greedy Step. Simulation results show that the proposed algorithm significantly outperforms the conventional multicast transmission methods in throughput while guaranteeing the minimum data rates of all users as well. Moreover, simulation results also show that the proposed algorithm can exceed the capacity upper bound of conventional multicast scheme when the user number is larger than 50, which indicates the proposed algorithm can overcome the capacity limitation of conventional multicast transmission in DAS.

Original language	English
Title of host publication	2011 IEEE Global Telecommunications Conference, GLOBECOM 2011
Pages	1-5
Number of pages	5
DOIs	https://doi.org/10.1109/GLOCOM.2011.6133719
Publication status	Published - 2011
Event	2011 IEEE Global Telecommunications Conference - GLOBECOM 2011 - Houston, Texas, United States Duration: 5 Dec 2011 → 9 Dec 2011

Other

Other	2011 IEEE Global Telecommunications Conference - GLOBECOM 2011
Country	United States
City	Houston, Texas
Period	5/12/11 → 9/12/11

Access to Document

10.1109/GLOCOM.2011.6133719

Link to publication in Scopus

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Cite this

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AU - Sun, Gang

AU - Shi, Jinglin

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AB - This paper focuses on the resource allocation of multicast services in Distributed Antenna Systems (DAS). First of all, the capacity limitation of conventional multicast ransmission in DAS is analyzed. Then a resource allocation algorithm for multicast services is proposed to improve the system throughput of DAS with Quality of Services (QoS) guarantees. The proposed algorithm includes three steps: Power Assignment, Conservative Allocation and Greedy Step. Simulation results show that the proposed algorithm significantly outperforms the conventional multicast transmission methods in throughput while guaranteeing the minimum data rates of all users as well. Moreover, simulation results also show that the proposed algorithm can exceed the capacity upper bound of conventional multicast scheme when the user number is larger than 50, which indicates the proposed algorithm can overcome the capacity limitation of conventional multicast transmission in DAS.

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