5G_射频测试_测试模式解读(三)

  • FR1 test model 1.1 (NR-FR1-TM1.1)(满PRB,QPSK)
  • FR1 test model 1.2 (NR-FR1-TM1.2)( QPSK/boosted/40% +QPSK)
  • FR1 test model 2 (NR-FR1-TM2)(64QAM 只有1个PRB 功率最低)
  • FR1 test model 2a (NR-FR1-TM2a) )(256QAM 只有1个PRB 功率最低)
  • FR1 test model 2b (NR-FR1-TM2b) (1024QAM 只有1个PRB 功率最低)
  • FR1 test model 3.1 (NR-FR1-TM3.1) (满PRB,64QAM)
  • FR1 test model 3.1a (NR-FR1-TM3.1a) (满PRB,256QAM)功率回退就是在这个TM
  • FR1 test model 3.1b (NR-FR1-TM3.1b) (满PRB,1024QAM)功率回退就是在这个TM
  • FR1 test model 3.2 (NR-FR1-TM3.2) (16QAM/deboosted/EVM60% +QPSK)
  • FR1 test model 3.3 (NR-FR1-TM3.3) (QPSK/deboosted/EVM/50% +QPSK)
  • A.1 Fixed Reference Channels for
    1. reference sensitivity level,
    2. ACS,
    3. in-band blocking,
    4. out-of-band blocking,
    5. receiver intermodulation
    6. in-channel selectivity (QPSK, R=1/3)
  • A.2 Fixed Reference Channels for dynamic range (16QAM, R=2/3)

Configurations of TDD:定义了具体的帧结构以SCS30Khz为例:

  • DL:SL:UL=7:1:2,special slot=6:4:4

The set-up of physical channels for transmitter tests shall be according to one of the NR FR1 test models (NR-FR1TM) below. A reference to the applicable test model is made within each test.

The following general parameters are used by all NR test models:

  • Duration is 1 radio frame (10 ms) for FDD and 2 radio frames for TDD (20 ms)

  • The slots are numbered 0 to 10´2µ -- 1 where µ is the numerology corresponding to the subcarrier spacing

  • NRB is the maximum transmission bandwidth configuration seen in table 5.3.2-1 in TS 38.104 [2].

  • Normal CP

  • Virtual resource blocks of localized type

For FR1-TDD without NB-IoT operation in NR in-band, test models are derived based on the uplink/downlink configuration as shown in the table 4.9.2.2-1 using information element TDD-UL-DL-ConfigCommonas defined in TS 38.331 [19].

Table 4.9.2.2 -1: Configurations of TDD for BS type 1-C and BS type 1-H test models

|----------------------------------------------------|----|----|----|
| Field name | Value |||
| referenceSubcarrierSpacing (kHz) | 15 | 30 | 60 |
| Periodicity (ms) for dl-UL-TransmissionPeriodicity | 5 | 5 | 5 |
| nrofDownlinkSlots | 3 | 7 | 14 |
| nrofDownlinkSymbols | 10 | 6 | 12 |
| nrofUplinkSlots | 1 | 2 | 4 |
| nrofUplinkSymbols | 2 | 4 | 8 |

对于PDCCH/PDSCH的定义可以上5G频谱对应看看,定义了Resource数量和位置,功率的大小

Table 4.9.2.2 -2: Common physical channel parameters for PDCCH for BS type 1-C and BS type 1-H test models

|-------------------------------------------------|-----------|
| Parameter | Value |
| # of symbols used for control channel | 2 |
| Starting symbol number for control channel | 0 |
| # of CCEs allocated to PDCCH | 1 |
| Starting RB location for PDCCH | 0 |
| # of available REGs | 6 |
| Aggregation level | 1 |
| # of RBs not allocated for PDCCH in each symbol | NRB -- 3 |
| Ratio of PDCCH EPRE to DM-RS EPRE | 0 dB |
| Boosting level of control channel | 0 dB |

Table 4.9.2.2 -3: Common physical channel parameters for PDSCH for BS type 1-C and BS type 1-H test models

|----------------------------------------------------------|----------------------|
| Parameter | Value |
| Mapping type | PDSCH mapping type A |
| dmrs-TypeA-Position for the first DM-RS symbol | pos2 |
| dmrs-AdditionalPosition for additional DM-RS symbol(s) | 1 |
| dmrs-Type for comb pattern | Configuration type 1 |
| maxLength | 1 |
| Ratio of PDSCH EPRE to DM-RS EPRE | 0 dB |

FR1 test model 1.1 (NR-FR1-TM1.1)(满PRB,QPSK)

This model shall be used for tests on:

  • BS output power

  • Transmit ON/OFF power

  • TAE

  • Unwanted emissions

  • Occupied bandwidth

  • ACLR

  • Operating band unwanted emissions

  • Transmitter spurious emissions

  • Transmitter intermodulation

  • Receiver spurious emissions

Common physical channel parameters are defined in clause 4.9.2.2. Specific physical channel parameters for NR-FR1-TM1.1 are defined in table 4.9.2.2.1-1.

Table 4.9.2.2.1-1: Specific physical channel parameters of NR-FR1-TM1.1

4.9.2.2.2 FR1 test model 1.2 (NR-FR1-TM1.2)( QPSK/boosted/40% +QPSK)

This model shall be used for tests on:

  • Unwanted emissions

  • ACLR

  • Operating band unwanted emissions

Common physical channel parameters are defined in clause 4.9.2.2. Specific physical channel parameters for NR-FR1-TM1.2 are defined in table 4.9.2.2.2-1.

Table 4.9.2.2.2-1: Specific physical channel parameters of NR-FR1-TM1.2

4.9.2.2.3 FR1 test model 2 (NR-FR1-TM2)(64QAM 只有1个PRB 功率最低)

This model shall be used for tests on:

  • Total power dynamic range (lower OFDM symbol TX power limit (OSTP) at min power)

  • EVM of single 64QAM PRB allocation (at min power)

  • Frequency error (at min power)

Common physical channel parameters are defined in clause 4.9.2.2. Specific physical channel parameters for NR-FR1-TM2 are defined in table 4.9.2.2.3-1.

Table 4.9.2.2.3-1: Specific physical channel parameters of NR-FR1-TM2

4.9.2.2.4 FR1 test model 2a (NR-FR1-TM2a) )(256QAM 只有1个PRB 功率最低)

This model shall be used for tests on:

  • Total power dynamic range (lower OFDM symbol TX power limit (OSTP) at min power)

  • EVM of single 256QAM PRB allocation (at min power)

  • Frequency error (at min power)

Common physical channel parameters are defined in clause 4.9.2.2. Physical channel parameters and numbers of the allocated PRB are defined in table 4.9.2.2.3-1 with all 64QAM PDSCH PRBs replaced by 256QAM PDSCH PRBs.

4.9.2.2.4A FR1 test model 2b (NR-FR1-TM2b) (1024QAM 只有1个PRB 功率最低)

This model shall be used for tests on:

  • Total power dynamic range (lower OFDM symbol TX power limit (OSTP) at min power)

  • EVM of single 1024QAM PRB allocation (at min power)

  • Frequency error (at min power)

Common physical channel parameters are defined in clause 4.9.2.2. Physical channel parameters and numbers of the allocated PRB are defined in table 4.9.2.2.3-1 with all 64QAM PDSCH PRBs replaced by 1024QAM PDSCH PRBs.

4.9.2.2.5 FR1 test model 3.1 (NR-FR1-TM3.1) (满PRB,64QAM)

This model shall be used for tests on:

  • Output power dynamics

  • Total power dynamic range (upper OFDM symbol TX power limit (OSTP) at max power with all 64QAM PRBs allocated)

  • Transmitted signal quality

  • Frequency error

  • EVM for 64QAM modulation (at max power)

NOTE: EVM shall be evaluated over PDSCH allocated PRBs with Nrnti = 0 and Nrnti = 2

Common physical channel parameters are defined in clause 4.9.2.2. Physical channel parameters are defined in table 4.9.2.2.1-1 with all QPSK PDSCH PRBs replaced by 64QAM PDSCH PRBs.

4.9.2.2.6 FR1 test model 3.1a (NR-FR1-TM3.1a) (满PRB,256QAM)功率回退就是在这个TM

This model shall be used for tests on:

  • Output power dynamics

  • Total power dynamic range (upper OFDM symbol TX power limit (OSTP) at max power with all 256QAM PRBs allocated)

  • Transmitted signal quality

  • Frequency error

  • EVM for 256QAM modulation (at max power)

NOTE: EVM shall be evaluated over PDSCH allocated PRBs with Nrnti = 0 and Nrnti = 2

Common physical channel parameters are defined in clause 4.9.2.2. Physical channel parameters are defined in table 4.9.2.2.1-1 with all QPSK PDSCH PRBs replaced by 256QAM PDSCH PRBs.

4.9.2.2.6A FR1 test model 3.1b (NR-FR1-TM3.1b) (满PRB,1024QAM)功率回退就是在这个TM

This model shall be used for tests on:

  • Output power dynamics

  • Total power dynamic range (upper OFDM symbol TX power limit (OSTP) at max power with all 1024QAM PRBs allocated)

  • Transmitted signal quality

  • Frequency error

  • EVM for 1024QAM modulation (at max power)

NOTE: EVM shall be evaluated over PDSCH allocated PRBs with Nrnti = 0 and Nrnti = 2

Common physical channel parameters are defined in clause 4.9.2.2. Physical channel parameters are defined in table 4.9.2.2.1-1 with all QPSK PDSCH PRBs replaced by 1024QAM PDSCH PRBs.

4.9.2.2.7 FR1 test model 3.2 (NR-FR1-TM3.2) (16QAM/deboosted/EVM60% +QPSK)

This model shall be used for tests on:

  • Transmitted signal quality

  • Frequency error

  • EVM for 16QAM modulation

Common physical channel parameters are defined in clause 4.9.2.2. Specific physical channel parameters for NR-FR1-TM3.2 are defined in table 4.9.2.2.7-1.

Table 4.9.2.2.7-1: Specific physical channel parameters of NR-FR1-TM3.2

4.9.2.2.8 FR1 test model 3.3 (NR-FR1-TM3.3) (QPSK/deboosted/EVM/50% +QPSK)

This model shall be used for tests on:

  • Transmitted signal quality

  • Frequency error

  • EVM for QPSK modulation

Common physical channel parameters are defined in clause 4.9.2.2. Specific physical channel parameters for NR-FR1-TM3.3 are defined in table 4.9.2.2.8-1.

Table 4.9.2.2.8-1: Specific physical channel parameters of NR-FR1-TM3.3

A.1 Fixed Reference Channels for

  • reference sensitivity level,
  • ACS,
  • in-band blocking,
  • out-of-band blocking,
  • receiver intermodulation
  • in-channel selectivity (QPSK, R=1/3)

The parameters for the reference measurement channels are specified in table A.1-1 for FR1 reference sensitivity level, ACS, in-band blocking, out-of-band blocking, receiver intermodulation and in-channel selectivity.

Table A.1-1: FRC parameters for FR1 reference sensitivity level, ACS, in-band blocking, out-of-band blocking, receiver intermodulation and in-channel selectivity

A.2 Fixed Reference Channels for dynamic range (16QAM, R=2/3)

The parameters for the reference measurement channels are specified in table A.2-1 for FR1 dynamic range.

Table A.2-1: FRC parameters for FR1 dynamic range

5G_射频测试_发射机测量(四)-CSDN博客

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