计算机工程与应用2016，Vol.52Issue(21)：105-110,6.DOI:10.3778/j.issn.1002-8331.1412-0118
基于跟踪区关联性的跟踪区列表设计方法
Tracking area list design method based on tracking area correla-tion
摘要
Abstract
Tracking mobile users while reducing the signaling overhead is an important aspect of the position manage-ment in communication system. Tracking area list is a new concept introduced in the LTE system, which is composed of a plurality of tracking area to reduce the signaling cost for location management. Influenced by life, work and study, most of the users have fixed move path. This paper presents a tracking area list design method based on tracking area correlation. It obtains the correlation from user’s history moving path and establishes the tracking area table. When the tracking area update message occurs, the network obtains the last visited tracking area and current tracking area from the message and then combining tracking area table to design tracking area list. The method can vary with different last visited tracking area dynamically designing tracking area list and is especially suitable for large scale network. Finally, it compares with“rule of thumb”method of the signaling overhead during a day using the Lisbon downtown network data. Results show that the method in reduction of signaling cost for location management is greatly improved by at least 11.5%.关键词
长期演进技术(LTE)系统/跟踪区关联性/跟踪区列表/位置区/位置管理/信令开销Key words
Long Term Evolution(LTE)system/tracking area correlation/tracking area list/location area/location man-agement/signal overhead分类
信息技术与安全科学引用本文复制引用
旷小红,毛建旭,王耀南..基于跟踪区关联性的跟踪区列表设计方法[J].计算机工程与应用,2016,52(21):105-110,6.基金项目
国家自然科学基金（No.61072121，No.60835004，No.61271382）；湖南省自然科学基金（No.12JJ2035）；湖南大学中央高校基本科研业务费资助项目。 （）
