For a given SF declared as an MBSFN SF, all UEs could expect cell specific reference signal (CRS) in the first one or two symbols period 605. MBSFN subframes can use some subframe resources to do the broadcast, which is different from unicast, as it is targeted for a plurality of UEs...
这样基站就可以根据信道质量来决定数据该怎么发了。1. 为什么5G要使用CSI-RS?在LTE的第一个版本(R8)协议中,下行信道情况是完全通过手机对小区参考信号(Cell Reference Signal,CRS)的测量得到的。CRS均匀地洒在LTE整个载波带宽中,不管有没有业务都要占用资源持续发射信号,就像是高速路中间没有井盖的井一...
When writing software requirements specifications a keen focus on business, end users, and the technical implementation has to be kept in mind. Firstly, a series of interviews and Q&A sessions are held with all the stakeholders involved to understand the current state of the business and the expe...
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