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1. 发明授权

US07283535B2 Concentrator for user AAL2 traffic carried on UBR virtual channels 有权
标题翻译：用于UBR虚拟通道上携带的用户AAL2流量的集中器
公开(公告)号：US07283535B2
公开(公告)日：2007-10-16
申请号：US10281264
申请日：2002-10-28
申请人： Szabolcs Malomsoky , Szilveszter Nádas , Sándor Racz
发明人： Szabolcs Malomsoky , Szilveszter Nádas , Sándor Racz
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/5601 , H04L2012/5607 , H04L2012/5614 , H04L2012/563 , H04L2012/5656
摘要： A traffic concentrator (40) aggregates traffic in a radio access network. The traffic concentrator comprises an Asynchronous Transfer Mode (ATM) switch (42) and a control node (44) associated with the ATM switch. The Asynchronous Transfer Mode (ATM) switch which performs a switching operation for switching unspecified bit rate (UBR) virtual channels (VCs) carrying user traffic between plural virtual paths (VPs). The user traffic is transported as ATM Adaptation Layer 2 (AAL2) connections over the unspecified bit rate (UBR) virtual channels (VCs). The control node is arranged to process AAL2 signaling messages which concern the AAL2 connections included in the VCs for which the ATM switch performs the switching operation. The AAL2 signaling messages are carried in virtual channels which do not carry the user traffic and which are either originated or terminated at the control node. In one example implementation, the traffic concentrator aggregates traffic of plural base stations of the radio access network.
摘要翻译：流量集中器（40）聚合无线电接入网络中的业务。业务集中器包括与ATM交换机相关联的异步传输模式（ATM）交换机（42）和控制节点（44）。异步传输模式（ATM）交换机，其执行用于在多个虚拟路径（VP）之间交换承载用户业务的未指定比特率（UBR）虚拟信道（VC）的切换操作。用户流量通过未指定的比特率（UBR）虚拟信道（VC）作为ATM适配层2（AAL2）连接传输。控制节点被设置为处理涉及ATM交换机执行切换操作的VC中包括的AAL2连接的AAL2信令消息。 AAL2信令消息在不携带用户业务并且在控制节点处发起或终止的虚拟信道中携带。在一个示例实现中，业务集中器聚合无线电接入网络的多个基站的业务。

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