The results presents the performance characteristic of handover initiation varies with cluster number and base-station antenna elevation angle for the three algorithms.

最后计算机模拟结果比较了不同切换发起规则下切换发起概率与小区区群数和基站天线俯仰角间的关系。

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An antenna of a base station, it has some sectors. The vertical communicates with mobile phones, the round one connects the base station with a controller.

一种基站天线，有几个部分。长而垂直的是与手机通讯的部分，而圆的则是通过控制器与基站链接。

youdao

An antenna of a base station, it has some sectors.

一种基站天线，有几个部分。

youdao

In a standard wireless network--such as those used by cellular vendors like Sprint PCS (nyse: FON - news - people )--a central antenna or base station always acts as middleman in any communication.

FORBES: Motorola Moves Into Mesh

All its computers now include a built-in antenna which, in conjunction with a networking card, can exchange data with a small base station plugged into a broadband Internet connection up to 45 metres (150 feet) away.

ECONOMIST: The wireless Internet: A LAN line | The