实时多媒体交互与协作系统中发言权控制的研究  

Analasis on Floor Control Protocol for Realtime Multimedia Interactive and Co-operative System

作　　者：钱屹[1] 侯义斌[2] 

机构地区：[1]西安交通大学电子与信息工程学院,陕西西安710049 [2]北京工业大学计算机学院,北京100022

出　　处：《微电子学与计算机》2004年第7期34-37,52,共5页Microelectronics & Computer

摘　　要：发言权控制(Floorcontrol)是在多媒体交互协作环境中协调、控制并发使用共享资源的技术,是交互与协作系统中一种重要的协调控制机制。本文详细分析了floorcontrol协议及其主要控制策略,介绍了实时多媒体交互协作系统———基于OP通道的人—人交互协作系统,在此基础上提出了实时floorcontrol协议RTFCP,着重对RTFCP及其控制策略进行了详细的讨论。同时,对协议的安全性、实时性、公平性进行了讨论。Floor control is the technology of coordinating and controlling the shared resources concurrently used in the interactive and co-operative environments. It is an important coordinative controlling mechanism. Based on the discussions of floor control protocol and its control policies, a floor control protocol for real time multimedia interactive and cooperative system (RTFCP) is presented. It makes the transmission delay between FC and other users least by adapting the position of FC and makes the protocol more fairly by its fuzzy control policy. At last, the correctness, fairness, and real-time of the RTFCP are discussed.

关 键 词：实时多媒体系统 发言权控制协议 模糊控制策略 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]