PUSCH DMRS(Demodulation reference signal),用于PUSCH的解调38211 一、typeA,typeB决定了l0的位置 typeA场景,有具体指示l0的位置–> l0 is given by the higher-layer parameter dmrs-TypeA-Position
二、type1…
ld是符号个数,typeA 与 typeB计算方式不同 mapping type从高层命令中获取 postion的选择根据dmrs-AdditionalPosition If the field is absent, the UE applies the value pos2
l0的选择根据dmrs-TypeA-Position 注意此处的dmrs-Type-Position是枚举值 也就是
ty…
DMRS的产生
简介
DMRS: Demoulation Reference Signal
DMRS is used to estimate a physical channel containing user data on only a certain part of the bandwidth. The two physical channels associated with DMRS are physical uplink shared channel (PUSCH) and ph…