Radio resource management strategy for VoIP service 
in TD-HSDPA system

doi:10.1016/S1005-8885(08)60244-7

中国邮电高校学报(英文) ›› 2009, Vol. 16 ›› Issue (4): 29-33.doi: 10.1016/S1005-8885(08)60244-7

Radio resource management strategy for VoIP service
in TD-HSDPA system

何大江,崔杰,常永宇,杨大成

School of Communication and Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2009-01-22 修回日期:1900-01-01 出版日期:2009-08-31
通讯作者: 何大江

Radio resource management strategy for VoIP service
in TD-HSDPA system

HE Da-jiang, CUI Jie, CHANG Yong-yu, YANG Da-cheng

School of Communication and Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2009-01-22 Revised:1900-01-01 Online:2009-08-31
Contact: HE Da-jiang

摘要/Abstract

摘要：

In this article, the performance of a novel radio resource management (RRM) strategy for voice over IP (VoIP) service will be evaluated in low code rate (LCR) time duplex high speed downlink packet access (TD-HSDPA) system. This novel RRM strategy is studied from the aspects of scheduling algorithm and time slot assignment algorithm. As VoIP is delay sensitive service, the delay based proportional fair (DBPF) scheduler is proposed in this article. Smart antenna (SA), which is adopted in LCR TD-HSDPA, can obtain spatial information from the direction of arrival (DOA) estimation. To exploit this spatial information further, a dynamic time slot allocation (DTA) algorithm is introduced to cooperate with the DBPF scheduler. The performance of the round robin (RR), proportional fair (PF) with the random time slot allocation (RTA) algorithm will be given to demonstrate the benefits of this novel DBPF with DTA RRM strategy. The system level simulation results prove that the performance of this novel RRM strategy is the best of all the RRM strategies.

关键词:

RRM,;smart;antenna,;VoIP,;DBPF,;DTA,;HARQ,;AMC;

Abstract:

Key words:

RRM;smart antenna;VoIP;DBPF;DTA;HARQ;AMC

HE Da-jiang, CUI Jie, CHANG Yong-yu, YANG Da-cheng. Radio resource management strategy for VoIP service
in TD-HSDPA system[J]. Acta Metallurgica Sinica(English letters), 2009, 16(4): 29-33.

参考文献

1. 3GPP TS 25.308. High speed downlink packet access (HSDPA): overall description, Rel 5.2003

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3. Torlak M, Xu G H. Performance of CDMA smart antenna system. Conference Record of the 29th Asilomar Conference on Signals, Systems and Computers: Vol 1, Oct 30-Nov 1, 1995, Pacific Grove, CA, USA. Piscataway, NJ, USA: IEEE, 1995: 383-387

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7. Gomes J S, Yun M, Choi H A, et al. Scheduling algorithms for policy driven QoS support in HSDPA networks. Proceedings of the 65th Vehicular Technology Conference (VTC-Sprig’07), Apr 22-25, 2007, Dublin, Iseland. Piscataway, NJ, USA: IEEE, 2007: 799-803

8. Braga A R, Rodrigues E B, Cavalcanti F R P. Novel scheduling algorithms aiming for QoS guarantees for VoIP over HSDPA. Proceedings of 2006 International Telecommunications Symposium (ITS’06), Sep 3-6, 2006, Fortaleza, Brazil. Piscataway, NJ, USA: IEEE, 2006: 77-82

9. CCS TG5_WG1_SWG1_2004_114B. Study report for co-existence of LCR TD-CDMA and WCDMA. 2004

10. 3GPP TS 25.321 V7.0.0. Medium access control (MAC) protocol specification, Rel 7. 2006

11. Chen S P, Du J H, Peng M G, et al. Performance analysis and improvement of HARQ techniques in TDD-HSDPA/SA system. Proceedings of 2006 International Telecommunications Symposium (ITS’06), Sep 3-6, 2006, Fortaleza, Brazil. Piscataway, NJ, USA: IEEE, 2006: 523-526

12. 3GPP TR 25.848 V4.0.0. Physical layer aspects of UTRA high speed downlink packet access, Rel 4. 2001

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Radio resource management strategy for VoIP service
in TD-HSDPA system

Radio resource management strategy for VoIP service
in TD-HSDPA system

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Radio resource management strategy for VoIP service
in TD-HSDPA system

Radio resource management strategy for VoIP service
in TD-HSDPA system