Recent developments in the mobile communication network and the B3G/4G technology, as well as the miniaturization of the mobile phone foster the widespread deployment of personal mobile equipment.

• 随着移动通信技术的飞速发展以及移动计算和B3G/4G技术的提出，手机的功能越来越强大，数量不断增多，成为人们工作和生活中不可或缺的重要工具。