RRC lies in the 3rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource.
无线资源控制(RRC)子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。
RRC lies in the 3 rd sublayer of air interface protocol stack, the main function of which is the control and management of radio resource.
无线资源控制子层位于空中接口协议栈的第3层，它主要完成无线资源的控制和管理功能。
For requiration of this service, research of air interface protocol stack of mobile station, as a key point TETRA system, became an important direction.
为了满足这种需求，作为TETRA系统核心内容的移动台空中接口协议栈的开发就成为一个重要的研究方向。
This paper presents the analyses of TETRA air interface protocol, and then introduces the software implementation method of Tetra network layer protocol use UML.
分析了TETRA空中接口协议，提出一种基于UML语言开发TETRA协议高层信令的方法。
The air interface protocol and the method of how to implement TDD are studied following the scheme and model of system, and the software of system is be designed then.
然后，针对系统方案的结构与应用模型，对其底层协议以及TDD方式的实现方法进行了研究与设计，并对系统的软件进行了设计。
In this article, the characteristics of air interface protocol and networking protocol in high speed paging systems are discussed, and methods for function implementation by them are described.
本文主要讨论了我国电信高速寻呼系统中采用的空中接口协议和联网协议的特点，并介绍协议实现系统功能的方法。
Firstly, this paper carries out analysis and research on the DMR protocol, especially its air interface and voice coding techniques.
本文首先对DMR协议进行了分析和研究，尤其是对其空中接口和语音编码技术进行了详细探讨。
Firstly, this paper carries out analysis and research on the DMR protocol, especially its air interface and voice coding techniques.
本文首先对DMR协议进行了分析和研究，尤其是对其空中接口和语音编码技术进行了详细探讨。
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