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Alternative Backhaul Transport Techniques for VoIP and PTT in 1x EV-DO

机译：1x EV-DO中用于VoIP和PTT的替代回程传输技术

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The introduction of conversational voice services into wireless networks introduces special problems for wireless networks. Traditional Internet Protocol (IP) networks provide large amounts of bandwidth and have large packets. For large packets, the overhead of the IP header is low. However, conversational voice services such as Voice over IP (VoIP) and push-to-talk (PTT) have very different packet characteristics and result in high protocol overhead. Wireless providers rely on leased T-1 or E-1 transport for communications between the mobile switching center and the base station. These facilities become a significant cost for the service provider. The introduction of the high overhead of conversational voice services transported via IP over these facilities without some overhead reduction method results in high protocol overhead, which reduces the effective bearer throughput on these costly facilities. This paper compares the strengths and weaknesses of several alternative solutions for reducing the overhead of IP data transport and their applicability to Alcatel-Lucent wireless products.
机译：将对话语音服务引入无线网络引入了无线网络的特殊问题。传统的Internet协议（IP）网络提供大量带宽并具有大数据包。对于大数据包，IP头的开销很低。但是，诸如IP语音（VoIP）和一键通（PTT）之类的会话语音服务具有非常不同的数据包特性，并导致较高的协议开销。无线提供商依靠租用的T-1或E-1传输在移动交换中心和基站之间进行通信。这些设施对服务提供商而言是一笔巨大的费用。通过这些设施通过IP传输IP的会话语音服务的高开销的引入而没有减少开销的方法导致了高协议开销，这降低了这些昂贵设施上的有效承载吞吐量。本文比较了减少IP数据传输开销的几种替代解决方案的优缺点，以及它们在阿尔卡特朗讯无线产品中的适用性。

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