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Creating a Test Plan - CE LTE-CA

The CE LTE-CA option is used for EU CE (RED) certification testing of terminal products supporting LTE Carrier Aggregation, covering both transmitter and receiver tests.


Basic Settings

CE_LTE-CA_overview


  • Title: Test plan name, entered by the user.


  • CC Num: Number of carriers, currently only 2 is supported. Note: changing CC Num will clear the Band Info.


  • Band Info: Select the CA band combination supported by the product (e.g., CA_1C / CA_1A-3A / CA_1A-7A). The table then lists the DL / UL rows:

    • CC: Band of each Component Carrier.

    • UL Frequency: Uplink frequency range (MHz), auto-filled.

    • Pmax: Maximum transmit power (dBm), default 23.

    • Bandwidth DL / Bandwidth UL: Bandwidths (MHz) supported by each carrier, multi-select. Available options vary with the band combination.


  • Modulation: Modulations supported by the product (required), multi-select: QPSK / 16QAM / 64QAM / 256QAM, QPSK + 16QAM selected by default.


  • CC on one port: Whether the two carriers are output from the same antenna port (required): Yes / No.


  • Num of Chains: Number of transmit (TX) and receive (RX) chains.


  • Antenna Gain: Antenna gain and cable loss configuration:

    • Title / Gain: Antenna number and gain (dBi) for each carrier band.

    • Cable Loss: Cable loss from the product's antenna port to the Switch Box or spectrum analyzer. How to Create Common Cable Loss.

    • Switch Box Port: Port number of the switch connected to the antenna.


  • Item List: Test items included in CE LTE-CA. Items not applicable are greyed out automatically (e.g., C408):

    • (C401) Transmitter Maximum Output Power

    • (C402) Transmitter Spectrum Emission Mask

    • (C403) Transmitter Spurious Emissions

    • (C404) Transmitter Minimum Output Power

    • (C405) Transmitter Adjacent Channel Leakage Power Ratio (ACLR)

    • (C406) Receiver Adjacent Channel Selectivity (ACS)

    • (C407) Receiver Blocking Characteristics

    • (C408) Receiver Spurious Response

    • (C409) Receiver Inter-Modulation Characteristics

    • (C410) Receiver Spurious Emissions

    • (C411) Receiver Reference Sensitivity Level


  • Blocking Step: Frequency step (MHz) for the out of band blocking part of the Receiver Blocking test. For C407.


Advanced Setting

CE_LTE-CA_advanced

All settings in Advanced Setting can generally be kept at their default values. Adjust them only when the test results are abnormal or there are special test requirements.


  • Version: 3GPP Release version used for testing: 10 ~ 17. The default value can be changed on the Setting page.


  • Switch Box: Whether to use a Switch Box (RF switch).


  • External Filter: Whether an external filter is used in the RF path.


  • UE Control: Whether the software automatically controls the sample, default OFF.


  • TX Power Arg: TX power evaluation method: AVG / MAX / MIN.


  • Env: Environmental conditions, multi-select: NTNV / LTLV / LTHV / HTLV / HTHV.


  • UL-DL Config: LTE TDD uplink-downlink subframe configuration (0 ~ 6). Only relevant for TDD.


  • Hide Image Elements: Elements to hide in report images (e.g., the Ant marker).


  • Check Margin: Test margin check. Select an Item and fill in Value(dB); results with a margin smaller than the set value will be flagged.


  • Special Setting: Special settings. Options prefixed with [D] are debug options:

    • [D] Virtual Data / [D] Ignore BaseStation / [D] Ignore Cell Connected / [D] Random Data / [D] Ignore Eut Confirm / [D] Random Status: Debug options.

    • Manual Network Signal: Set the Network Signal manually.

    • SIM Model Number: SIM card model, default P0250. For MT8000 / MT8821.

    • Input Level: Input level (dBm).

    • min Power Requirement: Minimum power requirement, default 0 dBm.


Corresponding software option: LTE CA