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中文摘要：
TBCP（talk burst control protocol）是OMA（open mobile alliance）为PoC（push to talk over cellular）系统定义的集中式发言权控制机制,具有单点控制瓶颈等固有缺陷。而在现有的分布式发言权控制机制中,并没有一种机制能够很好地被应用于PoC系统。对TBCP进行了改进并提出了2种分布式发言权控制机制：TBCP/DQ（distributed queue）和TBCP/MQ（mobile queue）。通过分析和仿真,验证了2种新机制能够很好地满足PoC业务的需求,甚至可以推广到所有CMA（collaborative multimedia applications）业务当中。
英文摘要：
TBCP（talk burst control protocol） has been defined as the floor control mechanism for PoC（push to talk over cellular） service by OMA（open mobile alliance）.It is a centralized controlling mechanism which has several limitations as other central approaches have,such as bottleneck effect,bad scalability,high maintenance cost of the central node,etc.In order to overcome the deficiencies of TBCP,two novel distributed floor control mechanisms were put forward,TBCP/DQ（distributed queue） and TBCP/MQ（mobile queue）.After analytical and experimental evaluations,the new ap-proaches serve well for PoC and even all CMA（collaborative multimedia application） services.
同期刊论文项目
同项目期刊论文
Sender-based Multipath Out-of-order Scheduling for High-definition Videophone in Multi-homed Devices
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