发明名称 Providing content to a roaming user
摘要 <p>To receive content services from a content server (24) accepted in an Internet (22) via a GW (Gateway) unit (231, 232) by a mobile user terminal (20) connected to a mobile communication network (21), a plurality of GW units (231, 232) are located in respective predetermined areas. A part of radio communication base stations (251, 252, ..., 25N-3, 25N-2, 25N-1, 25N) to be the mobile communication network (21) connects an access request to the content server (24) accepted in the Internet (22) with a predetermined GW unit (231). When the mobile user terminal (20) moves from a first area to a second area (a movement (26)), roaming service is executed among the radio communication base stations (251, 262, ..., 25N-3, 25N-2, 25N-1, 25N) in the mobile communication network (21), the mobile user terminal (20) is connected to a second GW unit (232), an inquiry is issued to another GW unit (231), roaming service is executed among GW units (231, 232), and thereby content services are continued for the moving mobile user terminal (20). <IMAGE></p>
申请公布号 EP1139633(A2) 申请公布日期 2001.10.04
申请号 EP20010108320 申请日期 2001.04.02
申请人 NEC CORPORATION 发明人 KAZUYUKI, YAMAGUCHI
分类号 G06F13/00;H04L29/06;H04L29/08;H04M3/42;H04M3/487;H04W4/00;H04W36/00;(IPC1-7):H04L29/06 主分类号 G06F13/00
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