Content for TR 25.914 Word version: 16.0.0
A Estimation of measurement uncertainty
B Suggested recipes of liquid to be used inside SAM phantom
C System Parameters
D Radiated power and sensitivity measurement techniques in 2G systems
E Alternative measurement technologies: reverberation chamber method
F Anechoic chamber specifications and validation method
G Reverberation chamber specifications and validation method
H Dielectric Property Measurements of Hand Phantoms
$ Change history
A Estimation of measurement uncertainty Word‑p. 44
A.1 Mismatch uncertainty between measurement receiver and the probe antenna Word‑p. 50
A.1.1 Total combined mismatch uncertainty calculations
A.1.1.1 Mismatch uncertainty through the connector between two elements:
A.1.1.2 Mismatch uncertainty due to the interaction of several elements: Word‑p. 51
A.1.2 Total combined mismatch uncertainty: Word‑p. 52
A.2 Mismatch uncertainty of the RF relay Word‑p. 53
A.2.1 First part: RF Relay switched on the co-polarized signal
A.2.1.1 The mismatch through the connector between two elements
A.2.1.2 Mismatch due to the interaction between two elements or more Word‑p. 54
A.2.2 Second part: RF relay switched on the cross-polarized signal
A.2.2.1 The mismatch through the connector between two elements
A.2.2.2 Mismatch due to the interaction between two elements or more
A.2.3 Total combined mismatch uncertainty: Word‑p. 55
A.3 Insertion loss of the probe antenna cable
A.4 Insertion loss of the probe antenna attenuator (if used)
A.5 Insertion loss of the RF relays (if used) Word‑p. 56
A.6 Influence of the antenna cable
A.7 Absolute gain of the probe antenna
A.8 Measurement receiver: uncertainty of absolute level
A.9 Measurement distance
A.9.1 Offset of DUT phase centre from axis(es) of rotation
A.9.2 Mutual coupling Word‑p. 57
A.9.3 Phase curvature
A.10 Quality of quiet zone
A.11 Tx-power drift of DUT Word‑p. 58
A.12 Uncertainty related to the use of phantoms
A.12.1 Uncertainty from using different types of SAM phantom
A.12.2 Simulated tissue liquid uncertainty
A.12.3 Uncertainty of dielectric properties and shape of the hand phantom Word‑p. 59
A.12.4 Uncertainty from using different types of Laptop Ground Plane phantom Word‑p. 60
A.13 Coarse sampling grid
A.14 Random uncertainty Word‑p. 61
A.15 Uncertainty of network analyzer Word‑p. 62
A.16 Uncertainty of the gain/efficiency of the calibration antenna
A.17 Base station simulator: uncertainty of the absolute level
A.18 BER measurement: output level step resolution
A.19 Statistical uncertainty of the BER measurement Word‑p. 63
A.20 BER data rate normalization uncertainty
A.21 DUT sensitivity drift
A.22 Cable loss measurement uncertainty
A.23 Signal generator: uncertainty of the absolute output level Word‑p. 64
A.24 Signal generator: output level stability
A.25 Insertion loss: calibration antenna feed cable
A.26 Insertion loss: calibration antenna attenuator (if used)
A.27 Chamber Statistical Ripple and Repeatability Word‑p. 65
A.28 Additional Power Loss in EUT Chassis
A.29 Void
B Suggested recipes of liquid to be used inside SAM phantom Word‑p. 78
C System Parameters Word‑p. 79
C.1 Definition and applicability
C.2 Establishing the connection
C.2.1 Required parameters to initiate the communication - basic concepts
C.2.1.1 Conversational RAB
C.2.1.2 Logical, transport, and physical channels in UMTS
C.2.1.3 Dedicated physical channel
C.2.2 Recall on the reference measurement channel (reference to the standard paragraph)
C.2.3 Uplink 12.kbps reference measurement channel ([60], annex C, § C.2.1) Word‑p. 80
C.2.4 Downlink 12.2 kbps reference measurement channel ([60], annex C, § C.3.1)
D Radiated power and sensitivity measurement techniques in 2G systems Word‑p. 81
D.1 Introduction
D.2 Initial conditions
D.2.1 Phantom specifications
D.2.2 Anechoic chamber constraints Word‑p. 82
D.2.3 General arrangement
D.3 Measurement parameters
D.3.1 Definition of the TRP parameter
D.3.2 Definition of the MEG parameter
D.3.3 Definition of the MERP parameter
D.3.4 Definition of the TRS parameter
D.3.5 Definition of the MERS parameter
D.4 Sampling grid
D.5 Measurement frequencies Word‑p. 84
D.6 Output power measurement
D.7 Measurement procedure - transmitter performance
D.7.1 Transmitter performance measurement
D.7.2 Reference position
D.7.3 General measurement arrangements Word‑p. 85
D.7.4 Calibration measurement Word‑p. 86
D.8 Measurement uncertainty and corrections in 2G system measurements
E Alternative measurement technologies: reverberation chamber method Word‑p. 87
E.1 Reverberation chamber constraints
E.1.1 Chamber size
E.1.2 Mode-stirring facilities
E.1.3 Loading of chamber with lossy objects Word‑p. 88
E.1.4 Polarization imbalance and receiving antennas
E.1.5 Shielding effectiveness Word‑p. 89
E.2 Reverberation chamber method
E.2.1 Measurement procedure - transmitter performance
E.2.2 Measurement procedure - receiver performance
E.3 Calibration of reverberation chamber Word‑p. 90
E.3.1 Measurement of S-parameters through the chamber for a complete stirring sequence Word‑p. 91
E.3.2 Calculation of the chamber reference transfer function Word‑p. 92
E.3.3 Cable calibration
E.4 Estimation of measurement uncertainty Word‑p. 93
F Anechoic chamber specifications and validation method Word‑p. 94
G Reverberation chamber specifications and validation method Word‑p. 97
G.1 Shielded reverberation chamber specifications
G.2 Reverberation chamber statistical ripple and repeatability validation
H Dielectric Property Measurements of Hand Phantoms Word‑p. 99
$ Change history Word‑p. 101
