全分布式位置管理策略的负载和位置更新性能研究

Research of database load and performance of location updating of the fully distributed location management strategies

分布式位置管理策略及其分布式数据库结构与传统位置管理策略和HLR VLR结构有显著区别。本文基于一种对DDB结构新的性能估计方法 ,从用户的移动性概率分布出发 。

The fully distributed location management strategies, as well as their distributed database (DDB)architectures,are quite different from traditional location management strategy and its HLR VLR structure.This paper presents a new methodology for evaluating database load and performance of location updating in different hierarchical DDB architectures,based upon the probability dense function about users′mobility pattern.