E7515A UXM综测仪测试LTE移动台射频一致性的详细指导

Keysight Technologies

Performing LTE and LTE-Advanced

RF Measurements with the

E7515A UXM Wireless Test Set

Based on 3GPP TS 36.521-1

Application Note

02 | Keysight | Performing LTE and LTE-Advanced Measurements – Application Note

3.3 Physical Connections

4 Transmitter Characteristics

4.1 Common Parameters for Transmitter Characteristics

4.2 Saving Common Parameters

4.3 Additional Test Conditions for Transmitter Characteristics

4.4 Example Test Procedure for UE Maximum Output Power (sc 6.2.2)

4.5 Example Test Procedure for Maximum Power Reduction (MPR) (sc 6.2.3)

4.6 Example Test Procedure for Additional Maximum Power Reduction (A-MPR) (sc 6.2.4)

4.7 Example Test Procedure for Congured UE Transmitted Power Output (sc 6.2.5)

4.8 Example Test Procedure for Minimum Output Power (sc 6.3.2)

4.15 Example Test Procedure for Frequency Error (sc 6.5.1)

4.16 Example Test Procedure for Error Vector Magnitude (sc 6.5.2.1)

4.17 Example Test Procedure for PUSCH-EVM with Exclusion Period (sc 6.5.2.1A)

4.18 Example Test Procedure for Carrier Leakage (sc 6.5.2.2)

4.19 Example Test Procedure for In-Band Emissions for Non-Allocated RB (sc 6.5.2.3)

4.20 Example Test Procedure for EVM Equalizer Spectrum Flatness (sc 6.5.2.4)

4.21 Example Test Procedure for Occupied Bandwidth (sc 6.6.1)

4.22 Example Test Procedure for Spectrum Emission Mask (sc 6.6.2.1)

4.23 Example Test Procedure for Additional Spectrum Emission Mask (sc 6.6.2.2)

4.24 Example Test Procedure for Adjacent Channel Leakage Power Ratio (sc 6.6.2.3)

5.6 Example Test Procedure for Adjacent Channel Selectivity (c 7.5)

5.7 Example Test Procedure for In-Band Blocking (sc 7.6.1)

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03 | Keysight | Performing LTE and LTE-Advanced Measurements – Application Note

6 Receiver Characteristics with Carrier Aggregation

8 Appendices

8.1 Test Channels for Transmitter and Receiver Characteristics

8.2 3GPP Measurement Congurations

8.3 Modulation and RB Allocation for Transmitter Characteristics without CA

8.4 Modulation and RB Allocation for Receiver Characteristics without CA

8.5 Troubleshooting RF Measurements

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04 | Keysight | Performing LTE and LTE-Advanced Measurements – Application Note

The third-generation partnership project (3GPP) denes standards for development and

test of 3G and 4G system components. The technical specication (TS) 36.521-1 denes

requirements for radio frequency (RF) testing of long-term evolution (LTE) and LTE-

Advanced (LTE-A) user equipment (UE). This application note provides example test proce-

dures for RF testing of LTE and LTE-A UEs based on 3GPP TS 36.521-1 V12.2.0 (2014-06).

Many references are made to 3GPP TS 36.521-1 in this application note. In most cases,

these references are abbreviated as 36.521. References to other 3GPP documents are

3GPP also requires all tests to be performed over the lowest and highest channel band-

widths supported in each band. In addition, all tests must be performed with a channel

bandwidth of 5 MHz. There are bandwidth-specic setups and requirements as well. This

application note provides example test procedures for a channel bandwidth of 20 MHz.

Additional bandwidths can be tested following a similar set of steps. Channel bandwidths

for each E-UTRA band are dened in 36.521-1 clause 5.

In this application note from Keysight Technologies, Inc. example procedures use the

E7515A UXM wireless test set with E7630A LTE/LTE-A lab application (LA) software. The

software version is 1.2.1.0, released on 30 September 2014. Unless otherwise indicated,

E7530A LTE/LTE-A test application (TA) software can also be used with the example proce-

ment results and powerful measurement algorithms.

The UXM provides the tools needed to be condent about a device’s RF performance.

These include exible receiver test, trusted X-Series transmitter measurement science, and

network emulation. This enables conguration of dened conditions with varying frequen-

cies, power, and modulation, measurement to limits, and determination of the root-cause

of failures with reliable, repeatable results that can be automated and easily shared. Test

from early designs to nished products since the UXM supports both signaling and non-

signaling test, making it easy to “just connect.”

Keysight also provides fully automated and independently validated conformance solu-

tions that provide assured compliance to the latest version of 3GPP test specications. Visit

05 | Keysight | Performing LTE and LTE-Advanced Measurements – Application Note

Throughout this application note, selections and entries on the UXM front panel are shown