Realization Scheme for LAPDM on GSM Virtual Base Station

Kai Wang; Guo Jin Wan

doi:10.4028/www.scientific.net/AMM.416-417.1600

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 416-417Realization Scheme for LAPDM on GSM Virtual Base...

Realization Scheme for LAPDM on GSM Virtual Base Station

Abstract:

The Link Access Procedures on Dm channel (LAPDM) is the data link layer of GSM (Global System for Mobile Communications) cellular network. According to the requirements of virtual base station and 3GPP protocols, we proposed an improved scheme for implementing LAPDM on GSM virtual base station platform. The scheme has higher reliability and efficiency by reducing the useless data link status and operational flow. This paper introduced a framework for realizing the proposed scheme and presented detailed analyses about its program structure, status transition, errors detection and correction approach, timer and retransmission mechanism. Finally, the program was ported to the hardware platform and monitored by OT Drive software. Experimental results show the improved scheme has good performance on each required signaling flow.

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Periodical:

Applied Mechanics and Materials (Volumes 416-417)

Pages:

1600-1604

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.416-417.1600

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Online since:

September 2013

Authors:

Kai Wang, Guo Jin Wan

Keywords:

Data Link Layer, GSM, LAPDM, Layer 2, Virtual Base Station

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