相关无线链路鲁棒报头压缩的简单解析模型

R. Hermenier, F. Rossetto, M. Berioli
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引用次数: 7

摘要

鲁棒报头压缩(ROHC)已经成功地包含在一些无线标准中,以减少小数据包(例如IP帧上的语音)的过多IP开销。到目前为止,人们对ROHC性能如何取决于设计参数和无线信道特性的理解有限。在本文中,我们提出了一个解析模型,该模型提供了丢失同步的概率作为上述参数的函数的简单表达式,并且还产生了设计变量与期望系统性能之间的深刻关系。结果与复杂和现实的ROHC模型进行了验证。
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A simple analytical model for Robust Header Compression in correlated wireless links
Robust Header Compression (ROHC) has been successfully included in some wireless standards in order to reduce the excessive IP overhead for small packets, for instance Voice over IP frames. So far, there is limited understanding on how the ROHC performance depends on the design parameters and the characteristics of the wireless channel. In this paper we propose an analytical model that provides simple expressions for the probability of losing synchronization as a function of the mentioned parameters, and also yields insightful relationships between the design variables and the desired system performance. The results are validated against sophisticated and realistic models of ROHC.
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