UMTS/IMT-2000蜂窝网络的传输体系结构

Conference Proceedings of the 2000 IEEE International Performance, Computing, and Communications Conference (Cat. No.00CH37086) Pub Date : 2000-02-20 DOI:10.1109/PCCC.2000.830320

Barani Subbiah, Y. Raivio

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引用次数: 3

摘要

在本文中，我们讨论了UMTS/IMT-2000或3G(第三代)蜂窝网络的传输架构选项。描述了蜂窝网络中接入节点之间的接口和并入以支持分组数据服务的更改。在选择一种传输技术而不是另一种传输技术时所面临的挑战将通过推理进行概述。说明了在蜂窝网络中支持移动电话和互联网服务的要求。介绍了新的ATM标准——ATM适配层2 (AAL2)及其在基于ATM的蜂窝网络中传输压缩语音的适用性。本文介绍了中频中的一种类似方法，即在3G网络的选择接口上，利用实时传输协议(RTP)负载复用传输压缩语音。评估了四种不同场景下的传输网络架构演变。

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Transport architecture for UMTS/IMT-2000 cellular networks

In this paper we discuss the transport architecture options for the UMTS/IMT-2000, or 3G (3rd Generation), cellular networks. The interfaces between access nodes in a cellular network and the changes incorporated to support packet data services are described. Challenges in selecting one transport technology over another are outlined with reasoning. Requirements to support mobile telephony as well as Internet services in a cellular network are explained. The new ATM standard, ATM Adaptation Layer type 2 (AAL2) and its applicability for transporting compressed speech in an ATM based cellular network is described. A similar approach in IF, multiplexing in Real-Time Transport Protocol (RTP) payload to transport compressed speech on selective interfaces of 3G network, is introduced. Transport network architecture evolution within four different scenarios is evaluated.

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Conference Proceedings of the 2000 IEEE International Performance, Computing, and Communications Conference (Cat. No.00CH37086)

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