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Test content of IOT LTE CatM in GCF certification

Time:2022-09-28 Views:212
Using GCF-certified chipsets to integrate into devices and modules can reduce test costs, test items, and test time. This is a shortcut that many customers choose to speed up the time to market.

Manufacturers of IoT devices or modules that use certified chipsets should perform a set of confidence tests defined in the database. It is not necessary to carry out the tests of the whole project according to the test specifications, but only select some of the test items. please distinguish between chipsets, modules, and IoT devices.

The volume and peripherals of the chipset are the smallest and simplest, followed by the module, and the most and the largest is the device. From the point of view of use, the chipset can be applied to modules and devices, and the modules need to add peripherals such as power supply, antenna filtering, etc. to be used, and the device can be used directly as a finished product.

Depending on the intended application and supported frequency bands of the device or module using the GCF certified chipset, applicable RF confidence tests must be performed on at least one or at most three supported frequency bands (Mid, High, Low).

Test conditions for test cases should be determined by the manufacturer or a third-party ACE, and test cases may be run under nominal conditions, not at extreme voltages or temperatures.

The test content has three parts, which are radio frequency, wireless resource management, and protocol test.

1. RF test case
 
Most of them need to test all frequency bands, and a few can choose a single frequency band to test.
 
UE Maximum Output Power for UE category M1
Configured transmitted power for UE category M1
Minimum Output Power for UE category M1
General ON/OFF time mask for UE category M1
PRACH time mask for UE category M1
SRS time mask for UE category M1
Power Control Absolute power tolerance for UE category M1
Power Control Relative power tolerance for UE category M1
Aggregate power control tolerance for UE category M1
Aggregate power control tolerance for UE category M1 (CE Mode B)
Frequency Error for UE category M1
Frequency Error for UE category M1 (CE Mode B)
Error Vector Magnitude for UE category M1
PUSCH-EVM with exclusion period for UE category M1
Carrier leakage for UE category M1
In-band emissions for non allocated RB for UE category M1
EVM equalizer spectrum flatness for UE category M1
Occupied bandwidth for UE category M1
Spectrum Emission Mask for UE category M1
Additional Spectrum Emission Mask for UE category M1
Adjacent Channel Leakage power Ratio for UE category M1
Transmitter Spurious emissions for UE category M1
Spurious emission band UE co-existence for UE category M1
Additional spurious emissions for UE category M1
Transmit intermodulation for UE category M1
Reference sensitivity level for UE category M1
Maximum input level for UE category M1
Adjacent Channel Selectivity (ACS)for UE category M1
Spurious response for UE category M1
Spurious emissions UE category M1
TDD PDSCH Transmit Diversity for UE category M1
TDD demodulation of MPDCCH in CE Mode A

2. Radio resource management RRM test case

The test transitions are in the nominal state and do not require extreme conditions.

E-UTRAN FDD - FDD Intra frequency case for CE UE in normal coverage
E-UTRAN FDD-FDD Intra frequency handover for CE UEs in CEModeA
E-UTRAN FD-FDD Intra-frequency RRC Re-establishment for CE UE in CEModeA
E-UTRAN FDD – UE Transmit Timing Accuracy Tests for Cat-M1 UE in CEModeA
E-UTRAN FDD-FDD intra-frequency event triggered reporting under fading propagation conditions in asynchronous cells for CE UE in CEModeA
FD-FDD RSRP Intra frequency case for BL/CE UE in CEModeA
HD-FDD RSRP Intra frequency case for BL/CE UE in CEModeA
TDD RSRP Intra frequency case for BL/CE UE in CEModeA
FD-FDD RSRP Intra frequency case for BL/CE UE in CEModeB
HD-FDD RSRP Intra frequency case for BL/CE UE in CEModeB
 
3. Wireless protocol test
 
Just select one of the frequency bands and test under nominal conditions.
 
Attach / Rejected / EPS services and non-EPS services not allowed
Attach / Rejected / EPS services not allowed
Normal tracking area update / Rejected / IMSI invalid
Normal tracking area update / Rejected / Illegal ME
Normal tracking area update / Rejected / EPS service not allowed
Normal tracking area update / Rejected / PLMN not allowed
Normal tracking area update / Rejected / Roaming not allowed in this tracking area
Normal tracking area update / Rejected / EPS services not allowed in this PLMN
Service request / Rejected / IMSI invalid
Service request / Rejected / Illegal ME
Service request / Rejected / EPS services not allowed

The above is the confidence test content of GCF certification for modules and devices using GCF certified chipsets. Welcome to consult Deeplight about GCF certification testing. We can also assist customers in completing PTCRB and foreign operators related tests.
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