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TechSpec
  • Foreword
  • 1 Scope
  • 2 References
  • 3 Definitions, symbols and abbreviations
  • 4 General
  • 5 Operating bands and channel arrangement
  • 6 Conducted transmitter characteristics
  • 7 Conducted receiver characteristics
  • 8 Conducted performance requirements
  • 9 Radiated transmitter characteristics
  • 10 Radiated receiver characteristics
  • 11 Radiated performance requirements
  • A.1 Fixed Reference Channels for reference sensitivity and in-channel selectivity (QPSK, R=1/3)
  • A.2 Fixed Reference Channels for dynamic range (16QAM, R=2/3)
  • A.3 Fixed Reference Channels for NB-IOT reference sensitivity (π/2 BPSK, R=1/3)
  • A.4 Fixed Reference Channels for NB-IoT dynamic range (π/4 QPSK, R=2/3)
  • B.1 Reference point for measurement
  • B.2 Basic unit of measurement
  • B.3 Modified signal under test
  • B.4 Estimation of frequency offset
  • B.5 Estimation of time offset
  • B.6 Estimation of TX chain amplitude and frequency response parameters
  • B.7 Averaged EVM

B.1 Reference point for measurement

36.1083GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Release 18Satellite Access Node radio transmission and receptionTS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The EVM shall be measured at the point after the FFT and a zero-forcing (ZF) equalizer in the receiver, as depicted in Figure E.1-1 below.

Figure B.1-1: Reference point for EVM measurement