摘要
公共陆地移动网络(PLMN,Public Land Mobile Network)选择是评价终端质量的重要指标。主要介绍PLMN的分类和选择方式,包括自动PLMN选择和手动PLMN选择,阐述了这2种PLMN的选择方式的规则和特点,并介绍了自动PLMN选择流程图。详述了多模系统目前常用的2种PLMN选择和重选的规则,分析了这2种选择方式的优缺点,并提出了根据PLMN列表分类的PLMN选网方式。在TD-SCDMA/GSM双模终端中的使用表明,这种选网方式可以缩短终端驻留高优先级PLMN的时间,减少漫游的概率。
PLMN selection is an important indicator for terminal quality evaluation.This paper gives PLMN types,and PLMN selection methods,including auto PLMN selection and manual PLMN selection;presents the rules and characteristics of these two PLMN selections,and the flow chart of auto PLMN selection;describes in detail two common rules of PLMN selection and reselection.Then,based upon the comparison of advantage and disadvantage of these two PLMN selections,a new PLMN selection is designed according to priority of PLMN list.
出处
《通信技术》
2011年第9期62-64,共3页
Communications Technology
