RF Exposure TAS Validation Public Report

FCC ID: B94HNQ20PKCP2

RF Exposure Info

Download: PDF
FCCID_4458129

TAS ALGORITHM VALIDATION TEST REPORT XMM 7560 Cellular Modem embedded in Fibocom M2 L860-GL EUT Description cellular module Brand Name Fibocom M2 Model Name L860-GL Generic FCC ID (see note in Section 6) Date of Test Start/End 2019-05-20 /2019-05-29 LTE, UMTS Features (see Section 6) Applicant Intel Mobile Communications 100 Center Point Circle, Suite 200 Address Columbia, South Carolina 29210 USA Contact Person Steven Hackett Telephone/Fax/ Email steven.c.hackett@intel.com Test Report identification 180709-01.TR01 Rev. 00 Revision Control This test report revision replaces any previous test report revision (see Section 1) Intel Corporation S.A.S – WRF Lab 425 rue de Goa – Le Cargo B6 - 06600, Antibes, France Tel. +33493001400 / Fax +33493001401 1 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Table of Contents 1. Document Revision History .......................................................................................................................................... 3 2. Document Scope............................................................................................................................................................ 3 3. General Conditions, Competences and Guarantees .................................................................................................. 3 4. Environmental Conditions ............................................................................................................................................ 3 5. Test Samples .................................................................................................................................................................. 3 6. EUT Features .................................................................................................................................................................. 4 7. TAS Algorithm Validation Considerations .................................................................................................................. 5 7.1. ALGORITHM VALIDATION USING CONDUCTED POWER MEASUREMENT ............................................................................ 6 7.1.1. RANGE OF PARAMETERS CONSIDERED FOR ALGORITHM VALIDATION ......................................................................... 6 8. Summary of Validation Tests and Results .................................................................................................................. 9 Annex A. Test Setup Description ................................................................................................................................. 10 A.1 MEASUREMENT SYSTEM............................................................................................................................................ 10 Test Setup ................................................................................................................................................................. 10 Test Equipment List ................................................................................................................................................... 11 Annex B. Validation Test Results ................................................................................................................................. 12 B.1 VALIDATION USING CONDUCTED POWER MEASUREMENT ............................................................................................ 12 B.2 TAS VALIDATION TESTS AND RESULTS ...................................................................................................................... 13 Fundamental Algorithm Validation for a Range Control Parameters ......................................................................... 13 B.2.1.1 Validation for LTE in Band 2 ...................................................................................................................................... 13 B.2.1.2 Validation of UMTS/WCDMA Band 2 ........................................................................................................................ 17 Algorithm Validation According to Time Varying Power Control Test Sequences ..................................................... 22 Algorithm Validation for Drop Connection and Reboot .............................................................................................. 25 B.2.3.1 Connection Drop and Reboot Scenario Validation .................................................................................................... 25 B.2.3.2 Handover Validation from LTE Band 2 to LTE Band 4 .............................................................................................. 27 B.2.3.3 Handover Validation from LTE Band 2 to WCDMA Band 4 ....................................................................................... 28 Annex C. Photographs .................................................................................................................................................. 29 C.1 TEST SETUP ............................................................................................................................................................. 29 C.2 TEST SAMPLE AND TEST PLATFORM .......................................................................................................................... 30 2 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 1. Document Revision History Revision # Date Modified by Revision Details Rev. 00 2019-09-09 Walid EL HAJJ First Issue 2. Document Scope This document describes the Time-Averaging SAR (TAS) algorithm validation test setup and measurement results for the XMM 7560 Cellular Modem incorporated in the Fibocom M2 L860-GL cellular module. The implementation details and TAS operating characteristics are described in the “Operation Descriptions” document (confidential); therefore, only a brief summary of the TAS operating parameters is included in this test report. Therefore, only a brief summary of the TAS operating parameters is included in this test report. The validation tests are performed using mainly conducted power measurements. Details of the conducted power measurement test setup, test procedures and validation results are included in Annex A and B. The validation results demonstrate that TAS can reliably apply dynamic power control to ensure SAR compliance in real-time 3. General Conditions, Competences and Guarantees  Intel Corporation SAS Wireless RF Lab (Intel WRF Lab) is an ISO/IEC 17025:2005 testing laboratory accredited by the American Association for Laboratory Accreditation (A2LA) with the certificate number 3478.01.  Intel Corporation SAS Wireless RF Lab (Intel WRF Lab) is an Accredited Test Firm recognized by the FCC, with Designation Number FR0011.  Intel WRF Lab only provides testing services and is committed to providing reliable, unbiased test results and interpretations.  Intel WRF Lab is liable to its client for maintaining confidentiality of all information and test results relating to the item under test.  Intel WRF Lab has developed calibration and proficiency programs to ensure the measurement equipment used are providing correlated and reliable test results to its customers.  This report is only relevant to the item that has undergone testing.  This report does not imply an approval of the product by the Certification Bodies or competent Authorities. 4. Environmental Conditions During the tests, the environmental conditions at the site where the measurements were performed are given in the following table: Temperature 22ºC Humidity 43% 5. Test Samples Sample Control # Description Model Serial # Note 180709-01.S01 Modem Module L860 GL PR3.0 6A13JM0053 Conducted Power #1 180709-01.S07 Extender Board - - Tests 3 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 6. EUT Features Brand Name Fibocom M2 Model Name L860-GL FCC ID Generic* +XGENDATA: " XG756ES30S7E10NANNDEFXOC619181063645 M2_7560_XMM7560_REV_1.0_RPC_NAND_ULTRA3 2019-Apr-22 18:56:00 Software Version/ Date *XG756ES30S7E10NANNDEFXOC619181063645__M2_7560_01.1916.00*" "*" "FAB-CODE:7*SDRAMVendor=0x00 (N/A)" The Fibocom M2 L860-GL module supports only UMTS and LTE, without carrier aggregation. The applicable frequency bands and operating modes are identified in the following table, where North America bands are shown in bold. Mode Bands Supported Tx Mode WCDMA HSDPA HSUPA DC-HSDPA FDD I (1920.0 – 1980.0 MHz)     FDD II (1850.0 – 1910.0 MHz)     WCDMA / HSPA+ FDD IV (1710.0 – 1755.0 MHz)     FDD V (824.0 – 849.0 MHz)     FDD VIII (880.0 – 915.0 MHz)     Mode Bands Supported Channel Bandwidth (MHz) 1.4 3 5 10 15 20 Band 1 (1920.0 – 1980.0 MHz)     Band 2 (1850.0 – 1910.0 MHz)       Band 3 (1710.0 – 1785.0 MHz) Band 4 (1710.0 – 1755.0 MHz)       Supported Band 5 (824.0 – 849.0 MHz)       Wireless Band 7 (2500.0 – 2570.0 MHz)     Configurations and Operating Modes Band 8 (880.0 – 915.0 MHz)     Band 12 (699.0 – 716.0 MHz)       Band 13 (777.0 – 787.0 MHz)   LTE FDD Band 14 (788.0 – 798.0 MHz)   Band 17 (704.0 – 716.0 MHz)   Band 18 (815.0 – 830.0 MHz)       Band 19 (830.0 – 845.0 MHz)       Band 20 (832.0 – 862.0 MHz)     Band 25 (1850.0 – 1915.0 MHz)       Band 26 (814.0 – 849.0 MHz)       Band 28 (703.0 – 748.0 MHz)       Band 30 (2305.0 – 2315.0 MHz)       Band 66 (1710.0 – 1780.0 MHz)       Band 38 (2570.0 – 2620.0 MHz)     Band 39 (1880.0 – 1920.0 MHz)     LTE TDD Band 40 (2300.0 – 2400.0 MHz)     Band 41 (2496.0 – 2690.0 MHz)     *Note: The algorithm validation is host independent. This report can be used for any host with TAS parameters in the validation range. 4 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 7. TAS Algorithm Validation Considerations As described in the “Operation Descriptions” document, TAS has 5 parameters that are accessible to host devices incorporating the XMM 7560 Cellular Modem. There are two additional control and operating parametes that are derived from these 5 accessible parameters. The parameters are identified in Table 1 below. An illustration of TAS functionality, according to these parameters, is shown in Figure 1. Since TAS is fully contained within the XMM 7560 Cellular Modem, other than allowing a host device to select the accessible parameters, TAS operation is fully independent of the host product. Table 1 – XMM 7560 Operating Parameters Accessible Parameters Derived Paremeters Avg_SAR_LowThresh = Avg_SAR_UppThresh – Avg_SAR_UppThresh DPR_OFF_SAR_Offset Max_Power_DPR_ON = Avg_SAR_UppThresh – DPR_ON_SAR_Offset DPR_ON_SAR_Offset DPR_OFF_SAR_Offset Avg_SAR_Check_Period Avg_SAR_Roll_Period Figure 1 – Power control dynamics of TAS Algorithm for ensuring SAR compliance When XMM 7560 operates in the end user environment, TAS is always enabled; end users do not have the option to disable TAS. Therefore, the time-averaged power (Avg_SAR_Power) is always kept below the specified upper power threshold (Avg_SAR_UppThresh) and SAR compliance is determined in real-time at each Avg_SAR_Check_Period according to the time-averaging window Avg_SAR_Roll_Period. The recommended settings of Avg_SAR_Roll_Period and Avg_SAR_Check_Period for the XMM 7560 Cellular Modem are 100 sec and below 1 sec, respectively. 5 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 7.1. Algorithm Validation using Conducted Power Measurement TAS operating characteristics and algorithm implementation have been validated using conducted power measurement according to parameters that are applicable to the host products. TAS is fully self-contained within the XMM 7560 and, other than the power recording time interval used for UMTS and LTE, 10 msec vs. 1 msec, the same power control mechanism is applied to both 3G and 4G. Since TAS operations are independent of frequency band and wireless mode, and SAR compliance can be established at the maximum time-averaged power level specified by Avg_SAR_UppThresh, validation of the algorithm and implementation using conduct power measurement test configurations is appropriate and acceptable. The following XMM 7560 operating conditions are used in the conducted power measurement configurations to validate TAS algorithm implementation. The conducted power measurement test setup is described in Annex A.1. 1. under maximum output power conditions for UMTS and LTE, according to a diverse range of operating and control parameters 2. under normal UMTS and LTE operations in Connected states, according to specific power ocntrol test sequences 3. when a connection is dropped and re-established 4. when a handover occurs between frequency bands and modes within LTE or UMTS 5. when a handover occurs between LTE and UMTS 7.1.1. Range of Parameters Considered for Algorithm Validation TAS algorithm validation has been performed for UMTS and LTE according to cases with different combinations of operating parameters listed in Table 2, see details in Tables B.1 and B.2. All attenuations and offsets are accounted for in uplink power measurements at the Main Antenna port. This is described in Annex A.1.1 and illustrated in the test setup photos in Annex A.1.3. The test results are shown in Annex B.2.1.1 for LTE and Annex B.2.1.2 for UMTS. Table 2 – Range of Parameters Parameters Avg_SAR_UppThresh Avg_SAR_LowThresh Max_Power_DPR_ON 7.1.2. Time Varying Power Control Test Sequences Considered for Algorithm Validation Two types of power control test sequences are used in the conducted power measurement test setup for TAS algorithm validation in selected mode/band configurations under normal LTE and UMTS operations in Connected State. The first test sequence (#1) is for validating the functionality of DPR (Dynamic Power Reduction) according to the values of Max_Power_DPR_OFF, Max_Power_DPR_ON, Avg_SAR_UppThresh and Avg_SAR_LowThresh specified for the mode/band. The second test sequence (#2) consists of a pre-determined sequence of random or arbitrary power levels and durations for validating overall TAS functionality to ensure SAR compliance through dynamic power control. 1. Sequence #1: Starting at below Avg_SAR_LowThresh for a fixed duration, the sequence is followed by a sufficiently long duration of transmission at Max_Power_DPR_OFF until DPR is turned ON. After it is confirmed that Avg_SAR_Power remains between Avg_SAR_UppThresh and Avg_SAR_LowThresh, the XMM 7560 is commanded to reduce output power to below Avg_SAR_LowThresh to ensure DPR is subsequently turned OFF. 2. Sequence #2: A power profile consisting of varying levels between Max_Power_DPR_OFF and below Max_Power_DPR_ON, with varying transmission durations in the range of 1 – 20 seconds, are sent by the Call Box to the XMM 7560. The power levels and intervals used in the tests have been determined according to preliminary test results. The time durations and power levels used for the two test sequences are listed in Table 3 and Table 4. These sequences are applied to validate TAS in both UMTS and LTE. In Table 3, for sequence #1, the power level is set to an initial level below Max_Power_DPR_ON and followed by maximum output power (Max_Power_DPR_OFF) requests from the Call Box to verify DPR control and TAS responses. This is then followed by a Call Box output power request of below Max_Power_DPR_ON to ensure proper TAS response is observed when DPR is disabled. Table 4 consists of the sequence of power levels and time durations sent from the Call Box to XMM 7560 to validate dynamic power control 6 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 under arbitrary/random conditions, similar to those experienced by typical end users, to demonstrate DPR reliability. Both of these sequences are illustrated in Figure 2. Table 3 – Test Sequence #1 Table 4 – Test Sequence #2 Sequence 1 Sequence 2 Time Duration Tx_Power Notes Time Duration Tx_Power Notes 150 150 5 dBm < Low Threshold 150 150 5 dBm < Lower 350 200 23 Max power 165 15 14 Upper-4dB 720 370 13 Lower -2 dB 185 20 18 Upper 205 20 20,5 (Upper+Pmax)/2 215 10 10 Upper-8dB 235 20 23 Pmax 250 15 18 Upper 265 15 11 Upper-7dB 285 20 23 Pmax 305 20 13 Upper -5dB 320 15 18 Upper 330 10 12 Upper-6dB 340 10 20,5 Upper+max/2 360 20 11 Upper -7 dB 380 20 11 Upper - 7dB 390 10 20,5 Upper+max/2 400 10 12 Upper-6dB 415 15 18 Upper 435 20 13 Upper -5dB 455 20 23 Pmax 465 10 11 Upper-7dB 480 15 18 Upper 500 20 23 Pmax 515 15 10 Upper-8dB 535 20 20,5 (Upper+Pmax)/2 555 20 18 Upper 570 15 14 Upper-4dB 720 150 5 < Lower Threshold Note: Pmax=Max_Power_DPR_OFF (23 dBm), Upper=Avg_SAR_UppThresh (18 dBm) and Lower = Avg_SAR_LowThresh (15 dBm) Figure 2 – Plot of Tx power for test sequence #1 and #2 7 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 For each test sequence, TAS should respond by maintaining Avg_SAR_Power at or below Avg_SAR_UppThresh according to DPR requirements; therefore, SAR measurement at Avg_SAR_UppThresh according to normally required SAR procedures is all that would be necessary to determine compliance. These are demonstrated by the supporting test results in Annex B.2.2. 7.1.3. Connection Drop and Technology/Band Handover Validation In order to demonstrate that TAS functions as expected during a drop connection or handover, the first test sequence (#1) in Section 7.2 (Table 2) is adapted for validating algorithm control continuity during such temporarily discontinued transmissions. A connection drop or handover is initiated after DPR is turned ON and Avg_SAR_Power is maintained between Avg_SAR_UppThresh and Avg_SAR_LowThresh. When the connection is re-established, maximum output power is requested by the Call Box to ensure DPR remains ON and TAS response is verified to ensure algorithm control continuity. These are demonstrated by the validation results in Annex B.2.3. 8 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 8. Summary of Validation Tests and Results The following table lists the types of TAS algorithm validation tests performed and the corresponding Tables and Annexes describing the test configurations and validation results. Description of the conducted power measurement test setup and photos are included in Annex A. Validation Type Test Configurations Test Results Table B1 LTE: Annex B.2.1.1 Range of TAS Parameter Table B2 UMTS: Annex B.2.1.2 Time Varying Test Table B3 LTE & UMTS: Annex B.2.2 Sequences Connection Drop Table B4 Drop connection: Annex B.2.3.1 Table B5 LTE B2 to LTE B4 handover: Annex B.2.3.2 Handover Table B6 LTE B2 to UMTS B4 handover: Annex B.2.3.3 9 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Annex A. Test Setup Description A.1 Measurement System Test Setup The conducted power measurement test setup is described in the following and illustrated in Figure A.  The Fibocom M2 L860-GL module, which contains the XMM 7560 Cellular Modem, is installed in an Intel Test Platform (DUT) to emulate a generic host device and to provide proper interface for the Call Box and test equipment. Photos of the Fibocom module, XMM 7560 and test equipment are included in included in Annex A.1.3 and A.3.  A control PC is used to configure the Call Box to send power control test sequences to the XMM 7560, according to those described in Section 7 and Annex B.  Uplink signal power is monitored by the Spectrum Analyzer and record by the PC with a time resolution of 25 msec, which is substantially less than the power adjustment interval (Avg_SAR_Check_Period) of 1 sec used for XMM 7560.  The values of Avg_SAR_Power are read from the XMM 7560 by the PC at each Avg_SAR_Check_Period  In additional to power results, the time sequence of power control commands and power samples are also recorded by the PC to enable results to be correlated and plotted.Uplink signal from the XMM 7560 is fed through a 3 dB Power Splitter, which delivers an equal amount of signal to the Sectrum Analyser and the Call Box. The Splitter has high isolation between the Spectrum Analyser and the Call Box. Due to different Uplink/Downlink frequencies and the zero span time-domain measurement used, interference of Uplink and Downlink sigals is avoided.  Path loss in the power measurement setup from the XMM 7560 Main Antenna port to either the Call Box or the Spectrum Analyser is 17.58 dB, with less than 0.1 dB difference between Band 2 and Band 4 (used for the tests). Figure A.1 – Validation using conducted power measurement test setup. 10 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Test Equipment List The Equipments used for the conducted power measurement test setup are listed below. The Test Platform (DUT), test setup and associated equipment are shown in Annex C. ID# Device Type/Model Serial # Manufacturer Cal. Date Cal. Due Date Communication Rohde & 0319 CMW500 152721 2018-04-12 2020-04-12 Tester Schwarz Spectrum Rohde & 0322 FSL6 102143 2018-04-13 2020-04-13 Analyzer Schwarz Power Attenuation and loss verified - PE2083 - Pasternack Divider before use 11 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Annex B. Validation Test Results B.1 Validation using Conducted Power Measurement The TAS algorithm and its reliability for ensuring SAR compliance have been validated using conducted power measurements, according to the validation procedures described in Section 7.1 of this test report. The validations include both LTE and UMTS. The test configurations and validation results are shown in the sub-sections of this Annex. The wireless operating modes and transmission configurations used for the algorithm validation tests are described in Tables B1 – B6. Following each Table, TAS responses according to Avg_SAR_Power, which is time averaged over Avg_SAR_Roll_Period, and the corresponding (instantaneous) output power transmitted by the XMM 7560 Cellular Modem, measured by the Spectrum analyzer, are plotted separately for the test configurations after each Table. The results verify that DPR is turned ON when Avg_SAR_Power reaches Avg_SAR_UppThresh and TAS is able to maintain Avg_SAR_Power between Avg_SAR_UppThresh and Avg_SAR_LowThresh until Avg_SAR_Power falls below Avg_SAR_LowThresh and DPR is turned OFF. For the M2 module, XMM 7560 is validated with Avg_SAR_Check_Period and Avg_SAR_Roll_Period set to 1 sec and 100 sec, respectively. The total duration for each test is 12 minutes (720 sec). The maximum output power available from the specific XMM 7560 Cellular Modem used for the validation tests is about 22 - 23 dBm. The following is a brief description of the test configurations:  Table B1 and Table B2 – Configurations used to verify TAS responses to power control for the operating parameters in Table 2 of Section 7.1.1. The test starts from a reboot condition and is followed by maximum output power requests from the Call Box to the XMM 7560. There are 6 cases each for UMTS and LTE.  Table B3 – Wireless mode configurations used for testing the test sequences listed in Table 2 and Table 3 of Section 7.2.  Table B4 – Wireless mode configurations used for testing a drop-connection, which is introduced after DPR is turned ON due to maximum power requests from the Call Box. After the connection is reestablished, maximum output power is again requested to demonstrate DPR and TAS control continuity with respect to power accumulated before and after the drop-connection condition. In addition, instead of a drop-connection, the test is repeated by replacing the drop- connection with a reboot.  Table B5 – Wireless mode configurations used for testing handover from LTE B2 to LTE B4, similar to configurations used for drop-connection.  Table B6 – Wireless mode configurations used for testing handover from LTE B2 to UMTS B4, similar to configurations used for drop-connection. 12 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 B.2 TAS Validation Tests and Results Fundamental Algorithm Validation for a Range Control Parameters B.2.1.1 Validation for LTE in Band 2 Table B1 – Test Cases for LTE Band 2 using 1 RB and QPSK Test Max Roll Check Avg_SAR_UppThresh Avg_SAR_LowThresh Max_Power_DPR_ON Band Case # Power Period Period [dBm] [dBm] [dBm] 1 22 21 20 2 22 19 16 3 20 19 18 LTE 23 dBm 100 sec 1 sec 4 B2 20 17 14 5 18 17 16 6 18 15 12 Note: Values for Max Power, Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON indicated above are approximated. The exact values for these are set according to the actual Max Power at the time of testing, accounting for tolerance, and the range (in dB) for Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON. These can introduce an apparent shift of the curves relative to Max Power shown in the plots. However, they have no impact to TAS. 13 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #1: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 21 20 Case #2: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 21 18 14 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #3: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 19 18 Case #4: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 19 16 15 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #5: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 19 18 Case #6: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 19 16 16 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 B.2.1.2 Validation of UMTS/WCDMA Band 2 Table B2 – Test Cases for UMTS/WCDMA Band 2 – RMC Test Max Roll Check Avg_SAR_UppT Avg_SAR_LowT Max_Power_DPR Band Case # Power Period Period hresh [dBm] hresh [dBm] _ON [dBm] 1 22 21 20 2 22 19 16 3 20 19 18 WCDMA 22.5 dBm 100 sec 1 sec B2 4 20 17 14 5 18 17 16 6 18 15 12 Note: Values for Max Power, Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON indicated above are approximated. The exact values for these are set according to the actual Max Power at the time of testing, accounting for tolerance, and the range (in dB) for Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON. These can introduce an apparent shift of the curves relative to Max Power shown in the plots. However, they have no impact to TAS. 17 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Results for the test cases in Table B2 are shown in the following plots. Note: The maximum output power in WCDMA mode for this test sample was about 22.5 dBm, which was 0.5 dB lower than the 23 dBm specified; therefore, Max_Power_DPR_ON and Max Power_DPR_OFF are shifted lower by 0.5 dB in plots for all WCDMA test cases. While Max_Power_DPR_OFF was 0.5 dB lower, Avg_SAR_UppThresh and Avg_SAR_LowThresh were not adjusted. This does not seem to have any noticeable impact to TAS control. Case #1: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 21 20 18 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #2: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 21 18 19 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #3: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 19 18 Case #4: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 22 19 16 20 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #5: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 19 18 Case #6: WCDMA Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 19 16 21 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Algorithm Validation According to Time Varying Power Control Test Sequences Table B3 – Test Cases for Test Sequences in Tables 2 and 3 for LTE and WCDMA - Band 2 Test Check Avg_SAR_UppT Avg_SAR_LowT Max_Power_DPR Band Max Power Roll Period Case # Period hresh [dBm] hresh [dBm] _ON [dBm] 1 18 15 14 LTE B2 23 dBm 2 18 15 14 100 sec 1 sec 3 18 15 14 WCDMA B2 22.5 dBm 4 18 15 14 Note: Values for Max Power, Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON indicated above are approximated. The exact values for these are set according to the actual Max Power at the time of testing, accounting for tolerance, and the range (in dB) for Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON. These can introduce an apparent shift of the curves relative to Max Power shown in the plots. However, they have no impact to TAS. Results for the test cases in Table B3 are shown in the following plots. 22 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #1: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 Case #2: LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 23 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Case #3: WCDMA Band 2 – Max Power 22.5 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 Case #4: WCDMA Band 2 – Max Power 22.5 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 24 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Algorithm Validation for Drop Connection and Reboot B.2.3.1 Connection Drop and Reboot Scenario Validation Table B4 – Test Cases for LTE connection drop and reboot Max Roll Check Avg_SAR_UppT Avg_SAR_LowT Max_Power_DPR Test Case # Band Power Period Period hresh [dBm] hresh [dBm] _ON [dBm] 1: Drop 18 17 14 Connection LTE B2 23 dBm 100 sec 1 sec 2: Reboot 18 17 14 25 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Results for the test cases in Table Table B4 are shown in the following plots. Case #1: DROP - LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 Case #2: REBOOT - LTE Band 2 – Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 18 15 14 26 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 B.2.3.2 Handover Validation from LTE Band 2 to LTE Band 4 Table B5 – Test Case for Handover from LTE Band 2 to LTE Band 4 Test Check Avg_SAR_UppT Avg_SAR_LowT Max_Power_DPR Band Max Power Roll Period Case # Period hresh [dBm] hresh [dBm] _ON [dBm] LTE B2 1 23 dBm 100 sec 1 sec 20 17 16 LTE B4 Note: Values for Max Power, Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON indicated above are approximated. The exact values for these are set according to the actual Max Power at the time of testing, accounting for tolerance, and the range (in dB) for Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON. These can introduce an apparent shift of the curves relative to Max Power shown in the plots. However, they have no impact to TAS. Results for the test case in Table B5 are shown in the following plot. Note: This handover test was done at a different time from all of the above tests. The LTE Max_Power_DPR_ON and Max_Power_DPR_OFF levels were about 0.5 dB lower than specified due to tune-up tolerances (±1 dB) relating to board temperature introduced power drift. This has no impact on TAS operations. Case #1: Handover LTE Band 2 > LTE Band 4 Max Power 23 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 17 16 27 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 B.2.3.3 Handover Validation from LTE Band 2 to WCDMA Band 4 Table B6 – Test Case for Handover from LTE Band 2 to WCDMA Band 4 Test Check Avg_SAR_UppT Avg_SAR_LowT Max_Power_DPR Band Max Power Roll Period Case # Period hresh [dBm] hresh [dBm] _ON [dBm] LTE B2 23 dBm 20 17 16 1 100 sec 1 sec WCDMA B4 22.5 dBm 18 15 14 Note: Values for Max Power, Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON indicated above are approximated. The exact values for these are set according to the actual Max Power at the time of testing, accounting for tolerance, and the range (in dB) for Avg_SAR_UppThresh, Avg_SAR_LowThresh and Max_Power_DPR_ON. These can introduce an apparent shift of the curves relative to Max Power shown in the plots. However, they have no impact to TAS. Results for the test case in Table B6 are shown in the following plot. Note: This handover test was done at a different time from all of the above tests. The LTE Max_Power_DPR_ON and Max_Power_DPR_OFF levels were about 0.5 dB lower than specified due to tune-up tolerances (±1 dB) related to board temperature introduced power drift. This has no impact on TAS operations. Case #1: Handover LTE Band 2 > WCDMA Band 4 Max Power 23 / 22.5 dBm – Roll Period 100 sec – Check Period 1 sec Avg_SAR_UppThresh [dBm] Avg_SAR_LowThresh [dBm] Max_Power_DPR_ON [dBm] 20 / 18 17 / 15 16 / 14 28 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 Annex C. Photographs C.1 Test Setup Fibocom Module with XMM 7560 mounted on the Intel Test Platform, placed on top of the Spectrum Analyzer and Call Box CMW 500, which are under GPIB control through the PC (see Annex A). 29 of 30 Printed copies are not controlled documents

Test Report No: 180709-01.TR01 Rev. 00 C.2 Test Sample and Test Platform Sample #01 Fibocom Module Front Fibocom Module Back Extender Board – Test Platform Module monted on the Extender Board 30 of 30 Printed copies are not controlled documents


Document Created: 2019-09-09 20:08:28
Document Modified: 2019-09-09 20:08:28
© 2024 FCC.report
This site is not affiliated with or endorsed by the FCC