Tech-invite 3GPPspace IETFspace

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Content for TR 38.870 Word version: 19.1.0

1… 4… A…

4 General p. 12

4.1 Device types p. 12

4.2 Testing configuration p. 13

4.2.1 UE use scenarios for TRP TRS test p. 13

4.2.2 UE mechanical mode description p. 13

4.3 Testing bands p. 13

4.3.1 General p. 13

4.3.2 Operating bands p. 14

4.3.3 Test parameters for each band p. 14

4.3.4 EN-DC band combinations p. 22

4.3.5 CA band combinations p. 24

4.3.6 Alternative parameters related to channel bandwidth and bands p. 25

4.3.6.1 General p. 25

4.3.6.2 Test parameters p. 25

4.3.6.3 TRS requirements for additional channel bandwidths p. 26

5 Performance metrics p. 26

5.1 Definition of the Total Radiated Power (TRP) p. 26

5.1.1 Definition of the Total Radiated Power (TRP) for AC p. 26

5.1.1.1 Applicability of TRP metrics p. 26

5.1.1.2 TRP for UEs supporting single-port transmission p. 26

5.1.1.3 TRP for UEs supporting non-coherent UL MIMO p. 27

5.1.1.4 TRP for UEs supporting coherent UL MIMO p. 28

5.1.2 Definition of the Total Radiated Power (TRP) for RC method p. 28

5.2 Definition of Total Radiated Sensitivity (TRS) p. 29

5.2.1 Definition of the Total Radiated Sensitivity (TRS) for AC p. 29

5.2.2 Definition of the Total Radiated Sensitivity (TRS) for RC method p. 30

6 UE positioning guidelines p. 30

6.1 Free space p. 30

6.2 Hand phantom only (Browsing mode) p. 30

6.2.1 Wide Grip Hand p. 31

6.2.2 PDA Grip Hand p. 31

6.3 Head and Hand phantom (Talk Mode) p. 32

6.3.1 General p. 32

6.3.2 Wide Grip Hand and Head p. 34

6.3.3 PDA Grip Hand and Head p. 34

6.4 Head phantom only p. 34

6.5 Forearm phantom p. 34

6.5.1 Forearm Phantom placement in the chamber p. 34

6.5.2 Wrist-Worn RedCap Device mounted on the Forearm Phantom p. 34

7 Anechoic Chamber method (Reference method) p. 36

7.1 General p. 36

7.2 Test setup p. 36

7.2.1 General Test system p. 36

7.2.2 Test equipment configuration p. 37

7.2.2.1 Spectrum analyser p. 37

7.3 Calibration procedure p. 37

7.4 TRP Test procedure p. 38

7.4.1 General p. 38

7.4.2 TRP test procedure for NR 1Tx configuration p. 38

7.4.2.1 UE configuration p. 38

7.4.2.2 Test procedure p. 38

7.4.3 TRP test procedure for NR 2Tx configuration p. 39

7.4.3.1 UE configuration p. 39

7.4.3.2 TxD TRP Test procedure p. 39

7.4.3.3 Single-layer UL-MIMO TRP Test procedure p. 39

7.4.4 TRP test procedure for NR DL CA configuration p. 40

7.4.4.1 UE configuration p. 40

7.4.4.2 Test procedure p. 40

7.5 TRS Test procedure p. 41

7.5.1 General p. 41

7.5.2 TRS test procedure for NR 1Tx configuration p. 41

7.5.2.1 UE configuration p. 41

7.5.2.2 Test Procedure p. 41

7.5.3 TRS test procedure for NR 2Tx configuration p. 42

7.5.3.1 UE configuration p. 42

7.5.3.2 Test procedure p. 42

7.5.4 TRS test procedure for NR DL CA configuration p. 42

7.5.4.1 UE configuration p. 42

7.5.4.2 Test procedure p. 42

7.6 Ripple Test for Quiet Zone p. 42

7.6.1 General p. 42

7.6.2 Ripple test procedure p. 43

7.7 Minimum Range Length p. 46

8 Reverberation Chamber test methodology p. 48

8.1 General p. 48

8.2 Test setup p. 48

8.3 Chamber Characterization p. 49

8.3.1 S-parameters and power transfer functions p. 49

8.3.2 Chamber loading for coherence bandwidth p. 49

8.3.2.1 Coherence bandwidth calculation p. 49

8.3.3 Chamber spatial uniformity p. 50

8.4 Calibration procedure p. 52

8.4.1 S-parameters measurement p. 52

8.4.2 Calculation of the chamber reference transfer function p. 53

8.5 TRP Test procedure p. 53

8.5.1 TRP for SA and EN-DC p. 53

8.5.1.1 Test conditions p. 53

8.5.1.2 UE configurations p. 53

8.5.1.3 Test procedure p. 53

8.6 TRS Test procedure p. 54

8.6.1 TRS for SA and EN-DC p. 54

8.6.1.1 Test conditions p. 54

8.6.1.2 UE configurations p. 54

8.6.1.3 Test procedure p. 54

8.7 Test Volume p. 54

9 Testing time reduction methodologies p. 55

9.1 General p. 55

9.2 Measurement grids for Anechoic Chamber method p. 55

9.3 Other solutions p. 67

9.3.1 Spiral Scan procedure for TRP Test p. 67

10 Alternative methodologies to resolve battery issue p. 67

10.1 General p. 67

10.2 Alternate TRS Test procedure Using Low UL Power p. 67

10.3 TRP/TRS OTA test based on averaging multiple split measurement grids p. 68