LTE Over-The-Air Testing for Base Stations with R&S®FSH

PublishTime：2022-02-28

●This application note explains how to perform LTE base station measurements over the air (OTA) using the R&S®FSH4/8/13/20 handheld spectrum analyzer. It describes the required measurement setup and explains the results obtained with the different measurement modes.
●To execute the tests described in this application note, the R&S®FSH4/8/13/20 handheld spectrum analyzer (from now on referred to as the FSH) needs to be equipped with an antenna and the following software options:
■R&S®FSH-K50 and R&S®FSH-K50E for FDD-LTE or R&S®FSH-K51 and R&S®FSH-K51E for TD-LTE.
●Introduction
■There are a number of reasons why operators would prefer to make measurements over the air (OTA) instead of connected to the base station antenna:
▲Complexity of the measurement setup if connected to the antenna: With the wider use of tower mounted amplifiers (TMA) and remote radio heads (RRH), it is often not possible to make measurements at the base station test ports.
▲Easier access: Base stations are also often located in areas that are difficult to access, making OTA measurements more convenient.
▲Comfort: RF engineers can often make OTA measurements from their vehicles, thereby decreasing test measurement times in the field.
▲Convenience: OTA measurements can be run while the base transceiver station (BTS) is on the air; i.e. unlike connected measurements, there is no need to shut down the BTS.

Brand of Product：	R&S
Part#：	R&S®FSH 、 R&S®FSH4/8/13/20 、 R&S®FSH-K50 、 R&S®FSH-K50E 、 R&S®FSH-K51 、 R&S®FSH-K51E 、 R&S®FSH4 、 R&S®FSH8 、 R&S®FSH13 、 R&S®FSH20 、 R&S®FSH-K16 、 R&S®HA-Z240 More Part#
Product Category：	handheld spectrum analyzer More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2013/9/12
Version Number：
Data Encoding：
Data Size：	1.6 MB

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