在无线通信领域,移动数据库是关系到通信系统运营性能与效率的关键组件之一。针对移动数据库的关键技术如位置管理、移动性支持、预取与复制、缓存同步、事务处理、并发控制、广播机制、恢复与容错、安全等关键技术进行了研究,阐述了其关键算法和思想,对移动数据库现存相关问题进行了分析。
In the wireless communication domain,mobile database is a key component related with the operation performance and efficiency of communication system.The key technologies of mobile database are involved and discussed,including location management,mobility support,prefetching and replication,cache consistency, transaction process,concurrency control,broadcast mechanism,recovery and fault tolerance,security.Related algorithms are illustrated and existent problems of mobile database are summarized.