Smartphones and laptop computers have brought about an explosion in data traffic, and using Wi-Fi to offload data flow has become a trend. This paper suggests that a smart antenna can enhance signal coverage, improved AP/AC can reduce handoff time, PMIP can provide IP mobility, and a relatively transparent Wi-Fi network can be used to provide new services. It proposes seamless coverage and handoff that satisfies medium-speed mobile Wi-Fi and greatly offloads Internet and data traffic. The 2G/3G/LTE network continues to carry voice and other high value-added business.%以iPhone为代表的智能手机及笔记本电脑,带来了爆发性的数据流量,用Wi-Fi分流部分用户数据已渐成潮流.文章认为通过引入智能天线技术可以增强信号覆盖能力,改良AP/AC能够减少切换时间,引入PMIP从而提供IP移动,使用相对透明Wi-Fi网络有利于提供新业务.文章提出一种无缝覆盖、无缝切换、满足中速移动的Wi-Fi热区,大大分流了用户的Internet及其他数据,而2G/3G/LTE网络则通过业务区分,继续承载语音及其他高附加值业务.
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