V2EX rsrp

RSRP

Definition / 释义

RSRP 是移动通信(尤其是 LTE/4G、部分 5G NSA 场景)里的无线测量指标,全称 Reference Signal Received Power,指终端接收到的小区参考信号(参考信号资源元素)的平均功率。常用于评估覆盖强弱、小区选择/重选、切换等。
(注:它主要反映“信号强度/覆盖”,不直接等同于“网速好坏”;网速还与干扰、负载等有关。)

Pronunciation / 发音

/r s r pi/

Etymology / 词源

RSRP 来自通信标准术语缩写:Reference(参考)+ Signal(信号)+ Received(接收)+ Power(功率)。它是在 LTE 标准体系中为量化“参考信号的接收功率”而设定的测量量,便于不同设备和网络以统一方式比较覆盖水平。

Examples / 例句

My phone shows low RSRP in the basement.
我的手机在地下室显示 RSRP 很低。

When the device reports an RSRP drop below the handover threshold, the network may trigger a cell change to maintain service quality.
当设备上报 RSRP 下降到切换门限以下时,网络可能触发小区切换以维持业务质量。

Related Words / 相关词

Notable Works / 文学与著作

  • 3GPP TS 36.214(E-UTRA;物理层测量相关规范)定义并规范 RSRP 等测量方式与用途。
  • 3GPP TS 36.133(E-UTRA;基站/终端一致性与性能要求)涉及覆盖、测量与门限相关要求,常与 RSRP 指标一起出现。
  • LTE/4G 网络规划与优化类教材与工程手册(如面向射频优化的培训资料)在覆盖评估、切换参数、路测分析章节中高频使用 RSRP。
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