发明名称 A mobile wireless communication system and a communication method for the same.
摘要 <p>A mobile wireless communication system includes information, a portable terminal, a plurality of wireless communication gateway servers, a switching apparatus, and a wireless telephony server. The switching apparatus sets a connection between the portable terminal and a first wireless communication gateway server or another connection between the portable terminal and a second wireless communication gateway server when the first wireless communication gateway server is congested. The wireless telephony server informs a position of the portable terminal to the wireless communication gateway server.</p>
申请公布号 HK1037444(A1) 申请公布日期 2004.11.19
申请号 HK20010106683 申请日期 2001.09.21
申请人 NEC CORPORATION 发明人 HIDEHIRO MATSUMOTO
分类号 H04M3/493;H04L12/28;H04L12/66;H04L12/701;H04M3/36;H04M11/00;H04W36/22;H04W40/34;H04W64/00;H04W72/04;H04W84/12;H04W88/14;(IPC1-7):H04Q 主分类号 H04M3/493
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