標題: Eliminating overflow for large-scale mobility databases in cellular telephone networks
作者: Lin, YB
資訊工程學系
Department of Computer Science
關鍵字: cellular telephone network;database overflow;home location register;large-scale database;visitor location register
公開日期: 1-四月-2001
摘要: In a cellular phone system, mobility databases called visitor location registers (VLRs) are used to temporarily hold the subscription information of the roaming users who visit the service area of the VLR. When the users leave the VLR area, the corresponding records in the VLR are deleted. Due to user mobility, the capacity of the VLR may not be large enough to hold information for all visitors in the VLR area at some time periods. This issue is called VLR overflow. This paper describes a record replacement policy to allow mobile users to receive services in the VLR overflow situation. We utilize analytic modeling to investigate the performance of the replacement policy. The study indicates that our approach effectively eliminates the VLR overflow problem with insignificant extra overhead.
URI: http://dx.doi.org/10.1109/12.919280
http://hdl.handle.net/11536/29742
ISSN: 0018-9340
DOI: 10.1109/12.919280
期刊: IEEE TRANSACTIONS ON COMPUTERS
Volume: 50
Issue: 4
起始頁: 356
結束頁: 370
顯示於類別:期刊論文


文件中的檔案:

  1. 000168145500006.pdf