发明名称 Communication system, multicast switching device, and communication method
摘要 A communication system includes an MP high-order switching device which determines, for each of a plurality of switching devices, transmission timing at the which the switching device transmits packet data to a plurality of devices connected to the switching device so that data reception timings at a mobile terminal become simultaneous among the plurality of base stations, and a communication section which, in each of the plurality of switching devices, transmits packet data to the plurality of devices connected to the switching device, based on the determined transmission timing corresponding to the switching device.
申请公布号 US8040838(B2) 申请公布日期 2011.10.18
申请号 US20070961346 申请日期 2007.12.20
申请人 NTT DOCOMO, INC. 发明人 NISHIMURA KENJI;KAWAKAMI HIROSHI
分类号 H04L12/28;H04W4/00;H04B7/26;H04J3/06;H04L12/56;H04W36/12;H04W36/18;H04W72/12;H04W84/04;H04W92/04 主分类号 H04L12/28
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