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Performance of VoIP services over 3GPP WCDMA networks

机译:3GPP WCDMA网络上VoIP服务的性能

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摘要

We analyze the performance of voice services over 3GPP WCDMA Networks for Release 99 and Release 7 deployments. We show, by using simulations, that the system capacity of Release 7 VoIP is significantly higher than the Release 99 circuit-switched voice under similar system conditions and voice quality. These results are obtained under the 3GPP simulation assumptions where uplink and downlink constraints for power, code and interference are considered. Both AMR 12.2 and 5.9 as well as different types of mobile receivers (Rake and equalizer, single and dual receive antennas) are considered. We also show that the capacity and performance can be increased significantly further by using uplink interference cancellation at the base station. The performance of best effort traffic in the presence of voice users is also analyzed.
机译:我们针对版本99和版本7部署分析了3GPP WCDMA网络上语音服务的性能。我们通过仿真显示,在相似的系统条件和语音质量下,版本7 VoIP的系统容量明显高于版本99电路交换语音。这些结果是在3GPP仿真假设下获得的,其中考虑了功率,代码和干扰的上行链路和下行链路约束。 AMR 12.2和5.9以及不同类型的移动接收器(瑞克和均衡器,单接收天线和双接收天线)均已考虑在内。我们还表明,通过在基站使用上行链路干扰消除,可以进一步显着提高容量和性能。还分析了语音用户在场时尽力而为流量的性能。

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