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5G OTA Test and Measurement | Parameters, Companies, Solutions

This page covers 5G OTA (Over-The-Air) Test and Measurement parameters. It mentions 5G OTA companies and their 5G OTA test solutions.

5G NR (New Radio) uses different frequency bands across different parts of the world. Moreover there are significant changes in the 5G NR technology compare to LTE standard which include use of mmwave frequencies, massive antenna arrays, dynamic PHY attributes, beamforming and so on. Physical layer attributes are subcarrier spacing, number of slots per subframe etc. Refer difference between LTE versus 5G NR >> for more information.

Keysight 5G test equipments

5G OTA (Over The Air) test setup should provide provision to test DUT in both near field zone (Reactive, Radiating)and far field zone from the antenna used in the testing. The region upto the distance of 2 D2/λ from the antenna is referred as near field region. Where, D is the antenna diameter and Lambda is wavelength of free space. The region above the distance of 2 D2/λ is referred as far field region. The distance upto 0.62*(D3/λ)0.5 is known as reactive near field where as distance between 0.62*(D3/λ)0.5 and 2 D2/λ is known as radiating near field.

There are two frequency ranges used by 5G Base Station and 5G UE viz. FR1 and FR2. FR1 spans from 450 to 6000 MHz and FR2 spans from 24250 to 52600 MHz. Hence 5G OTA test solutions or equipments should support both of these frequency ranges.

The figure-1 depicts equipments available from Keysight technologies for 5G measurements. Refer 5G Measurements >> which mentions list of 5G measurements required to be performed on transmitter and receiver parts of the 5G Base Station and 5G UE (User Equipment).

5G OTA Testing
Image Courtesy: Rohde & Schwarz

The figure-1 depicts 5G OTA testing setup from Rohde & Schwarz. The setup uses R&S spectrum analyzer. Refer 5G OTA testing by R&S >> for more information.

Following measurements are required to be performed during 5G OTA testing.
EIRP: It stands for Effective Isotropic Radiated Power.
TRP: It stands for Total Radiated Power.
EIS: It stands for Effective Isotropic Sensitivity.
TIS: It stands for Total Isotropic Sensitivity.
EVM: It stands for Error Vector Magnitude.
ACLR: It stands for Adjacent Channel Leakage Ratio.
SEM: It stands for Spectrum Emission Mask.

5G OTA Test and Measurement companies and their solutions

Following table mentions 5G OTA test and measurement companies and thier solutions.

5G OTA Companies Test and Measurement Solutions
Keysight The figure-1 depicts 5G test equipments. In addition keysight offers E7515B UXM 5G wireless test platform. The E7515B instrument functions as BS network emulator which can be used to perform testing on 5G compliant mobile device or UE (User Equipment). The test setup requires OTA probe antennas along with shielded box and channel emulator.
Website: https://www.keysight.com
Anritsu The company offers Field Master Pro model MS2090A. It is handheld equipment used for 5G base station testing by 5G BS manufacturers and 5G network operators during installation and troubleshooting.
Website: https://www.anritsu.com
R&S The company offers spectrum analyzer, PWC200 (Plane Wave converter) and compact test chambers (Models ATS800R and ATS1000) for 5G DUT OTA testing.
Website: www.rohde-schwarz.com
ETS-Lindgren The company offers OTA test chambers which supports sub-6 GHz and mmwave frequency bands.
Models: AMS-5700, AMS-5701, AMS-5702, AMS-5703, AMS-5704, AMS-5705
Website: http://www.ets-lindgren.com/
EMITE designs, Spain The company offers various test chambers for 5G OTA testing. E-series is reverberation chamber, F-series is reverberation chamber plus Anechoic chamber and H-series is used as an anechoic chamber.
Website: emite-ing.com/en/
Email: sales@emite-ing.com
MVG Solutions The company offers multi-probe system, SG3000F automotive test system etc. for 5G OTA testing.
Website: https://www.mvg-world.com/

The other 5G OTA test and measurement companies are NI (National Instruments), NSI-MI, Boonton, Noisecom and so on.


• 3GPP TS38.521 part-1, part-2, part-3 and part-4
• TS 38.101 - User Equipment Radio Transmission and Reception
• TS 38.104 - BS Radio Transmission and Reception
• TS 38.141 - BS Conformance testing

RF and Baseband Measurement related Links | GSM, WCDMA, LTE

GSM Measurements
RF Measurements
WCDMA Measurements
LTE UE Measurements
Physical Layer Measurements

5G NR Numerology | 5G NR Terminology

5G NR Control channels | 5G NR Traffic Channels | 5G NR Reference Signals and sequences


This 5G tutorial also covers following sub topics on the 5G technology:
5G basic tutorial
5G Frequency Bands
5G millimeter wave tutorial
5G mm wave frame
5G millimeter wave channel sounding
Difference between 4G and 5G
5G testing and test equipments
5G network architecture
5G NR Physical layer
5G NR MAC layer
5G NR RLC layer
5G NR PDCP layer

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RF Wireless Test and Measurement Solutions

Test and Measurement Equipments
BER Testing equipments
Agilent T & M Solutions
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Rohde & Schwarz T & M solutions
wireless channel emulator
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Protocol Analyzer

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