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发明授权
CN1902900B 在网络中协助通信的系统和方法 有权 转让

在网络中协助通信的系统和方法
摘要：
用于在网络中的多个移动单元之间协助通信的系统和方法，建立多个下层通信小区(201，220，222)。在至少下层通信小区之一中定位多个移动单元中的至少两个，单元能够经由下层通信小区(201，220，222)通信。建立上层通信小区(212)并且覆盖至少与包括多个移动单元中的至少两个的下层小区(201，220，222)相同的区域。在下层小区(201，220，222)之间建立联系，其包括至少两个移动单元以及上层通信小区(212)。在至少两个使用上层通信小区的移动单元之间建立群组通信呼叫。
摘要（英）：

A system and method for facilitating communications amongst a plurality of mobile units in a network establishes a plurality of underlay communication cells (201, 220, 222). At least two of a plurality of mobile units are positioned in at least one of the underlay communication cells, the units being capable of communications via the underlay communication cells (201, 220, 222). An overlay communication cell (212) is established and covers the same area as at least the underlay cells (201, 220, 222) that include the at least two of the plurality of mobile units. An association between underlay cells (201, 220, 222) is established that include the at least two mobile units and the overlay communication cell (212). A group communication call is established between the at least two mobile units using the overlay cell.

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