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OBEX作为一种基础协议,以对象模型封装信息数据,以会话协议规范传输应用,在以信息传输为底层实现的各项应用中得到了广泛的应用。在蓝牙技术的开发应用中,OBEX是很多应用剖面的底层协议,在其基础上封装实现了不同蓝牙剖面应用,大大拓展了蓝牙技术的应用领域,所以有必要深入研究并剖析OBEX协议。文中从对象模型和会话协议两个方面详细介绍了OBEX协议,并解析了其在蓝牙OPP、PBAP上的绑定实现。
As a basic protocol, OBEX encapsulates information data by object model, and uses the protocol of session protocol to transfer applications. OBEX has been widely used in various applications based on information transmission. In the development and application of Bluetooth technology, OBEX is the underlying protocol for many application profiles. Based on the package, it implements different Bluetooth profile applications and greatly expands the application fields of Bluetooth technology. Therefore, it is necessary to study and analyze the OBEX protocol in-depth. In this paper, OBEX protocol is introduced in detail from object model and session protocol, and its binding on Bluetooth OPP and PBAP is analyzed.