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An Improved Approach of Sending BSR and SR Based on MAC Layer in LTE System

机译:基于LTE系统MAC层发送BSR和SR的改进方法

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The Buffer Status Report (BSR) and Scheduling Request (SR) are important procedures based on Medium Access Control (MAC) layer in Long Term Evolution (LTE) system. First, we study the BSR, SR and Semi-Persistent Scheduling (SPS) separately, then illustrate the priority of BSR and other data when sending MAC PDUs. The issue about the priority has been definitely defined by 3GPP, but it doesn't explain the reason, the article made a detailed analysis of it. The UE will send BSR and SR for gaining radio resources, the resources may be wasted if they exist at the same time. Finally we proposed a solution of deciding whether triggering BSR and SR in SPS and a solution of conflicts between padding BSR and other kinds of BSR.
机译:缓冲状态报告(BSR)和调度请求(SR)是基于长期进化(LTE)系统中的媒体访问控制(MAC)层的重要过程。首先,我们分别研究BSR,SR和半持久调度(SPS),然后在发送MAC PDU时说明BSR和其他数据的优先级。关于优先级的问题绝对是由3GPP定义的,但它没有解释原因,文章详细分析了它。 UE将发送BSR和SR来获取无线电资源,如果同时存在,则可以浪费资源。最后,我们提出了决定在SPS中触发BSR和SR的解决方案以及填充BSR和其他类型的BSR之间的冲突解决方案。

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