[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.4218/etrij.11.1510.0008

Flexible Protocol Reconfiguration for Emergency Communication Systems

Zhang, Ji (School of Electronics and Information, Beijing Institute of Technology)
Li, Hai (School of Electronics and Information, Beijing Institute of Technology)
Hou, Shujuan (School of Electronics and Information, Beijing Institute of Technology)

Publication Information

ETRI Journal / v.33, no.1, 2011 , pp. 18-26 More about this Journal

Abstract

The necessity for services of emergency communication systems to be uninterrupted and reliable has brought forward strict requirements for express software upgrades of base stations. Based on reconfigurability technology, this paper presents a protocol reconfiguration scheme for emergency communication base stations. By introducing the concept of 'local safe state,' the proposed scheme could make the updating and replacement of the protocol software flexible and maintain interactions during the updating procedure to achieve seamless system upgrades. Further, taking TETRA protocol stack and VxWorks operating system as an example, specific processes and realization methods of reconfiguration are proposed in this paper, along with the measurements of the factors impacting on the system performance. Simulation results show that, compared with traditional technology, the method proposed significantly improves the system efficiency and does not interrupt system services.

Keywords

Reconfiguration; emergency communication; safe state; reconfiguration management plane; component; VxWorks;

Citations & Related Records

Times Cited By Web Of Science : 0 (Related Records In Web of Science)
Times Cited By SCOPUS : 0

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