[1] Tan Yufeng, Li Junchao, Xia Weiwei, Shen Lianfeng, et al. Frame length optimization for multi-antenna downlink systemsbased on delay-bound violation probability constraints [J]. Journal of Southeast University (English Edition), 2015, 31 (2): 163-169. [doi:10.3969/j.issn.1003-7985.2015.02.001]

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Frame length optimization for multi-antenna downlink systemsbased on delay-bound violation probability constraints()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 2

Page:

163-169

Research Field:

Information and Communication Engineering

Publishing date:

2015-06-20

Info

Title:

Frame length optimization for multi-antenna downlink systemsbased on delay-bound violation probability constraints

Author(s):

Tan Yufeng;  Li Junchao;  Xia Weiwei;  Shen Lianfeng

National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China

Keywords:

delay-bound violation probability;  frame length optimization;  effective bandwidth;  effective capacity;  multi-antenna systems;  quality of service

PACS:

TN92

DOI:

10.3969/j.issn.1003-7985.2015.02.001

Abstract:

A frame length optimization scheme is proposed for multi-antenna downlink systems to guarantee diverse delay-bound violation probability constraints. Due to the difficulties of extracting the quality of service(QoS)metrics from the conventional physical-layer channel models, the link-layer models named effective bandwidth and effective capacity are applied to statistically characterize the source traffic patterns and the queuing service dynamics. With these link-layer models, the source traffic process and the channel service process are mapped to certain QoS parameters. The packet delay-bound violation probability constraints are converted into minimum data rate constraints and the optimization problem is thus formulated into simultaneous inequalities. With the assumption of ergodic block-fading channels, the optimal frame lengths of single-user and multiuser systems are calculated respectively by numerical iterative methods. Theoretical analyses and simulation results show that the given delay-bound violation probability constraints are well satisfied with the optimal frame length.

References:

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Memo

Memo:

Biographies: Tan Yufeng(1988—), female, graduate; Shen Lianfeng(corresponding author), male, professor, lfshen@seu.edu.cn.
Foundation items: The National Science and Technology Major Project(No.2012ZX03004005-003), the National Natural Science Foundation of China(No.61171081, 61201175), the Research Fund of National Mobile Communications Research Laboratory of Southeast University(No.2014A03).
Citation: Tan Yufeng, Li Junchao, Xia Weiwei, et al.Frame length optimization for multi-antenna downlink systems based on delay-bound violation probability constraints[J].Journal of Southeast University(English Edition), 2015, 31(2):163-169.[doi:10.3969/j.issn.1003-7985.2015.02.001]

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