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Frontiers of Electrical and Electronic Engineering

ISSN 2095-2732

ISSN 2095-2740(Online)

CN 10-1028/TM

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Front Elect Electr Eng Chin    0, Vol. Issue () : 145-148    https://doi.org/10.1007/s11460-009-0026-x
RESEARCH ARTICLE
An AM-RLC scheme with adaptive acknowledgement interval
Junfeng JIANG1(), Zhigang CAO2
1. Guangzhou Haige Communications Group Incorporated Company, Guangzhou 510663, China; 2. Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
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Abstract

The acknowledged mode radio link control (AM-RLC) protocol is one of the most important radio protocols in wideband code division multiple access (WCDMA) and time division-synchronization code division multiple access (TD-SCDMA) mobile communication systems. A modified AM-RLC scheme with adaptive acknowledgement interval is proposed. At the receiver, the acknowledgement interval is dynamically changed according to the channel status. The simulation results show that the proposed AM-RLC scheme outperforms the fixed acknowledgement interval AM-RLC scheme in terms of frame delivery delay and protocol overhead.
Keywords acknowledged mode radio link control      acknowledgement interval      delivery delay      overhead     
Corresponding Author(s): JIANG Junfeng,Email:jf.jiang@haige.com   
Issue Date: 05 June 2009
 Cite this article:   
Junfeng JIANG,Zhigang CAO. An AM-RLC scheme with adaptive acknowledgement interval[J]. Front Elect Electr Eng Chin, 0, (): 145-148.
 URL:  
https://academic.hep.com.cn/fee/EN/10.1007/s11460-009-0026-x
https://academic.hep.com.cn/fee/EN/Y0/V/I/145
Fig.1  AM-RLC protocol procedure
Fig.2  Mean ACK interval of proposed dynamic scheme
Fig.3  Delay comparison of dynamic and fixed scheme
Fig.4  Delay comparison over i.i.d. channels
1 3GPP TS 25.322.630. http://www.3gpp.org, 2005
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doi: 10.1109/TVT.2003.815980
6 Enderle N, Lagrange X. Radio link control-acknowledged mode protocol performance modeling in UMTS. In: Proceedings of the 4th International Workshop on Mobile and Wireless Communications Network. Stockholm , Sweden: IEEE, 2002, 332-336
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