AN OPTIMIZED SCHEME FOR FAST HANDOFF IN IP-BASED CDMA WIRELESS COMMUNICATION NETWORKS

IntroductionMobility as an essential characteristic of wire-less network has received considerable attention inrecent years.A number of system- specific solu-tions have been developed for2 G( such as GSM)and 3G( such as UMTS) wireles networks.Fromthe Internetpointofview these solutions can be re-garded as layer- 2 solutions for wireless access net-works working transparently to the layer- 3 ( IPlayer) [1] .The evolution of wireless network is be-ing strongly influenced by mainly two compo…     

浅谈AP1000核电项目中的设备文件管理

设备文件的质量和设备文件的有效利用对AP1000核电项目建设和日常运行具有重要意义。但设备文件管理的固有特点和难点具有普遍性,AP1000自主化依托项目中的设备文件管理也存在一些不足。本文从设备文件产生的各个阶段出发,对AP1000自主化依托项目中的设备文件管理进行简要分析并针对工作创新提出改进措施和手段。