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TAC-1ET8821C0056 MT8821C Release Notes ver.12

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MT8821C Release Notes 1. Contents Release notes for the following software and MT8821C Operation Manual are described. ・Critical Update [Changed] ・MT8821C Operation Manual [Changed] ・MT8821C Firmware [Changed] ・MX882100C W-CDMA Measurement Software [Changed] ・MX882101C GSM Measurement Software [Changed] ・MX882102C/32C CDMA2000 Measurement Software [Changed] ・MX882106C/36C 1xEV-DO Measurement Software [Changed] ・MX882107C TD-SCDMA Measurement Software [Changed] ・MX882112C/13C/42C/43C/64C LTE FDD/TDD Measurement Software [Changed] ・MX882164C LTE VoLTE Echoback [Changed] ・MX882115C W-CDMA HSPA Evolution IP Data Transfer [Changed] ・MX882120C SEQ Measurement Software [Changed] ・Critical Update ID001 DL Output Level Error caused by Band Calibration Bug ・Critical Update ID002 LTE Power Control Tolerance measurement result is lower by 1.25dB Bug [Changed]


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2. Critical Update ID Date Details

002 22 Mar. 2016

※ Due to the existence of the following bugs, please discontinue the use of LTE V30.20 and other previous versions. Please use V30.30 or later versions.

[Bug Fix] - Fixed the bug in Power Control Tolerance – Absolute Power measurement in which the measured value is 1.2dB lower than the expected value.

001 3 Dec. 2015

※Due to the existence of the following bugs, please discontinue the use of V30.12 and other previous versions for all standards and perform software update to this version.

[Bug Fix] - Fixed the bug in which the output level accuracy becomes worse upon execution of Band Calibration. For details on the extent of the effects of this bug, please refer to the end of this document.

- Fixed the bug in which the output level accuracy becomes worse when Main 2 Port is used.

3. MT8821C Operation Manual Edition Date Details Fifth 22 Mar. 2016 - Supports v30.30 Fourth 20 Jan. 2016 - Supports v30.20 Third 17 Sep. 2015 - Supports v30.10

Second 9 Jul. 2015 [Maintenance] - "8.5 Software Recovery" has been updated.

First 10 Jun. 2015 [First Release]


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4. MT8821C Firmware Version Date Details

v30.30 22 Mar. 2016 [Additional Features] - Added display for date of time-limited licenses

v30.20 20 Jan. 2016

[Bug Fix] - Fixed the bug in which remote control does not work right after execution of GTL command.

- Fixed the bug in which the menu is displayed in the Screen Copy image. - Fixed the bug in which the Screen Off display is captured when HARDCOPYSAVE? command is executed during Screen Off.

[Install Manager] - Updated install manager to v1.3.0. Added the function in which during software installation, if the latest version of the Install Manager is included in the installer folder, the Install Manager is automatically updated to the latest version. (When updating the Install Manager from v1.2x or below to v1.3.0 or above, manual update is required. Please refer to Section 5.3.7.3 Install manager update of MT8821C’s Operation Manual.)

v30.13 3 Dec. 2015 [Bug Fix] - Support for Critical Update ID001 on Section 2. - Fixed the bug in which IQ Capture does not work on Phone2.

v30.11 29 Oct. 2015

[Bug Fix] - Fixed the bug in which Fullcal/Bandcal functions will not work depending on Call Status.

- Fixed the bug in which write commands fail at certain times when operating using Remote Control via GPIB.

v30.10 17 Sep. 2015

[Additional Features] - Added Save All Screens function. - Added Screen Lock and Windows Key. - Added Init button to the 10 key entry pad for re-initialization. [Bug Fix] - Fixed the bug in which saved parameter files cannot be recalled in MT8820A/20B/20C.

- Fixed the bug in which Single measurement cannot be executed right after machine boot-up.

- Fixed the bug in which Go To Local does not work correctly. - Fixed the bug in which CDMA2000 cannot be unloaded under certain conditions.

v30.01 16 Jul. 2015

[Improvement] - Improved the output level accuracy. - Improved the Fullcal/Bandcal. [Bug Fix] - Fixed the bug in which the Fullcal did not operate correctly under certain conditions (Please execute the Fullcal after upgrading to the new version).

- Fixed the bug in which the viReadSTB value of the HiSLIP was wrong. v30.00 10 Jun. 2015 [First Release]


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5. MX882100C W-CDMA Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Bug Fix] - Changed the initial values of the Spectrum Emission Mask template. (changed the test limits from the ones specified in 3GPP TS34.121 Spectrum Emission Mask Minimum Requirement to the test limits in Test Requirement )

- Fixed the bug in which edited SMS messages are not sent.

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Features] - Added SMS transmission and reception function [Bug Fix] - Fixed the bug in which after application installation, scenario version 51C is loaded instead of 50C.

- Fixed the bug in which Uplink is not transmitted in HSUPA. - Added HSDPA/HSUPA Sub-test setting key. - Fixed the bug in which connection cannot be established with a UE that supports GSM Cyphering Algorithm A5/4,5,5,6,7.

v30.13 3 Dec. 2015 [Bug Fix] - Support for Critical Update ID001 on Section 2.

v30.11 29 Oct. 2015 [Version Combination] - Firmware v30.11

v30.10 17 Sep. 2015

[Bug Fix] - Fixed the bug in which the Error Message is incorrect during execution of Scenario Select when Call Processing=On.

- Fixed the bug in which an MT8821C without MX882100C-002 External Packet Data Option installed does not operate normally when a parameter file with Channel Coding set to Packet is recalled.

v30.01 16 Jul. 2015 [Version Combination] - Firmware v30.01

v30.00 10 Jun. 2015 [First Release] 6. MX882101C GSM Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Bug Fix] - Fixed the bug in which the TX measurement indicator is delayed. - Removed Spectrum Parameter Display Offset setting. - Fixed the bug in which edited SMS messages are not sent..

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Features] - Added function to edit transmitted SMS messages. [Bug Fix] - Fixed the bug in which the application hangs when Top button is pressed in Template Setup screen after measurement execution.




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v30.10 17 Sep. 2015

[Bug Fix] - Fixed the bug in which Continuous Measurement does not complete the measurement when Fundamental Measurement – Measurement Count = 9999 and Measurement Mode = Fast.

- Fixed the bug in which measurement ends earlier than the specified Measurement Count when Fundamental Measurement – Measurement Count = 9999 and Frequency Hopping = On.

v30.01 16 Jul. 2015

[Version Combination] - Firmware v30.01 [Bug Fix] - Fixed the bug in which Redirection execution button is not displayed when MX882101C-005 option is not installed.

v30.00 10 Jun. 2015 [First Release]


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7. MX882102C/32C CDMA2000 Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Additional Feature] - Added SMS transmission and reception function [Bug Fix] - Fixed the bug in which FER Pass/Fail result is not displayed during Continuous measurement.

- Fixed the bug in which measurement status is not initialized.

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Bug Fix] - Fixed the bug in which measurement status becomes Stop instead of End after measurement completion.

- Change in display content of Call Status: Added Radio Configuration, Service Option to Connected status.


v30.11 29 Oct. 2015

[Version Combination] - Firmware v30.11 [Bug Fix] - Fixed the bug in which the system hangs at certain times when BANDCLASS command is sent.

v30.10 17 Sep. 2015

[Bug Fix] - Fixed the bug in which the application hangs when Call Processing is set to Off(ARB) during Continuous measurement.

- Fixed the bug in which Trigger does not output correctly when Trigger Type is set to Rise in Multi Power measurement.

- Fixed the bug in which loading of CDMA2000 fails. - Fixed the bug in External Packet function in which ping does not pass through. - Fixed the bug in which the application hangs in Tx/Rx vs Frequency measurement.


v30.00 10 Jun. 2015 [First Release] 8. MX882106C/36C 1xEV-DO Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Bug Fix] - Fixed the bug in which the software hangs when a parameter is changed during Continuous measurement.

- Fixed the bug in which PER Pass/Fail result is not displayed during Continuous measurement.

- Fixed the bug in which measurement status is not initialized.

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Bug Fix] - Fixed the bug in which measurement status becomes Stop instead of End after measurement completion.


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- Change in display content of Call Status: Changed Idle(Session Opened) to a 2-stage display. Added Application Protocol to Connected status.


v30.11 29 Oct. 2015 [Other] - Supports MX882102C v30.11

v30.10 17 Sep. 2015 [Other] - Supports MX882102C v30.10




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9. MX882107C TD-SCDMA Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Bug Fix] - Removed Spectrum Parameter Display Offset setting. - Fixed the bug in which edited SMS messages are not sent. - Modified the resolution of Spectrum Monitor’s Timeout setting. - Fixed the bug in which the software hangs when the Test Parameter tab is viewed in list mode.

- Fixed the bug in which Downlink signal stops after CS Fallback and Inter RAT Handover.

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Feature] - Added SMS transmission and reception function [Bug Fix] - Fixed the bug in which the device hangs when the standard is switched to CDMA2000 after Inter RAT HO is executed from TDS-CDMA with Voice Codec to GSM.



v30.10 17 Sep. 2015

[Bug Fix] - Fixed the bug in which Level Over does not occur during the Presequence of Tx/Rx vs. Frequency measurement (Continuous).

- Fixed the bug in which the application hangs in Tx/Rx vs Frequency measurement (Continuous).

- Fixed the bug in which synchronization error does not occur when Measurement Mode = Normal and Measurement Trigger = Midamble.

- Fixed the bug in which the measured power is higher than the expected value during Closed Loop Power Control measurement when Measurement Filter is set to 30kHz.




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10. MX882112C/13C/42C/43C LTE FDD/TDD Measurement Software Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Additional Features] - Added LTE FDD 4x4 MIMO DL(MX882112C-012) - Added LTE TDD 4x4 MIMO DL(MX882113C-012) - Added LTE-Advanced FDD DL CA 5CCs Measurement Software(MX882112C-051)

- Added LTE-Advanced TDD DL CA 5CCs Measurement Software(MX882113C-051)

- Support for CR(R1-150770) for Joint CA(when PCC Frame Structure is FDD). R1-150770 : SCC is not included in HARQ-ACK when special subframe configuration of SCC is 0 or 5.

- Support for CR(R2-153604) for Uplink 64QAM. R2-153604 : BTS needs to send enable64QAM-v1270 when UE supports ul-64QAM-r12.

- Support for UE Category DL/UL setting. - Support for individual setting of SCC Cell ID. - Support for individual setting of External Loss(Main UL/DL) for each CC. - Support for Throughput Monitor display function (MAC Throughput only). - Added IP Data Application function. - Support for display of SCC Spectrum Monitor result during ULCA. - Added display of expected value for Throughput measurement. - Support for ULCA measurement when Call Processing=Off(ARB). - Support for p-Max message IE ON/OFF. - Support for CSAT function. - Support for Band 45/65/67. - Added Video (Async) in TX Measurement Trigger Source setting. [Bug Fix] - Support for Critical Update ID002 on Section 2. - Fixed the bug in which SCC-2 DL Throughput cannot be measured during F+T+T and T+F+F Joint CA.

- Fixed the bug, during MIMO Parameter File recall, in which Phone2’s output signal does not correspond to the parameter file settings.

- Fixed the bug in which SCC-1 is not measured correctly for Inter-band ULCA Power Control Tolerance – Relative Power – Ramping Up/Down measurement.

- Fixed the bug in which PCC is becomes level over for Inter-band ULCA (TDD) Power Control Tolerance – Relative Power – Ramping Up/Down measurement.

- Fixed the bug in Spectrum Flatness measurement in which the Uplink frequency upper limit is different from the standard for Band 66.

- Fixed the bug in Non ULCA Power Control Tolerance – Absolute Power measurement in which the measured value is 1.2dB lower than the expected value.

- Fixed the bug in which call connection fails when Measurement Report is ON. - Fixed the bug in which edited SMS messages are not sent. - Fixed the bug in which the software hangs when ENTERSYNC_MASTER is executed after changing the Measurement Item during Screen Off state.

- Fixed the bug when SCC UL Throughput Measurement is set to ON in which SCC UL Throughput Measurement is disabled after Antenna Configuration is set to Single.

- Fixed the bug in which Narrowband Power vs. Time measurement result is 2.4dB lower than the expected value.


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- Fixed the bug in which, for the following commands, when parameters of multiple CC’s are configured together using a single command, the parameters are not changed when the set value is the same as PCC’s value. BANDWIDTH ULCHAN DLCHAN ULFREQ DLFREQ ILVL OLVL OLVL_EPRE LVL AWGNPWR AWGNLVL DLRMC_RB DLIMCS1 DLIMCS2 DLIMCS3 DLIMCS4 CFI PSSPWR SSSPWR PBCHPWR PCFICHPWR PHICHPWR PDCCHPWR PDSCH_P_A PDSCH_P_B OCNG_LAMBDA

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Features] - Added SPS, TTI bundling, SR Periodicity function. - Expanded SMS transmission functionality and added SMS reception function. - Support for PUCCH Format 1b Channel Selection in TDD 2CA. - Support for Intra-Band ULCA Power Control Tolerance Relative Power measurement as per CR(R5-154030).

- Added UE Capability Information display function. - Added OCNG Relative Power setting function. - Added Sequential SCC configuration procedure during NW Origination and NW Termination signaling for DL 2CCs and above.

- Support for Band66. - Added RF Phase Calibration function for Transmit Diversity and 2x2 MIMO measurement.

- Added “PCC only” in Early Decision measurement target. - Added function for individual setting of PCC and SCC input levels in ULCA. - Added linkage setting function of PCC and SCC parameters. [Known Issue] - SCC-2 cannot be measured DL Throughput when Frame Structure combinations of Joint CA are F+T+T or T+F+F.

- Phone2 DL signal is abnormal when the parameter file of Joint CA with MIMO is recalled in the setting of MIMO.

- Joint CA (when PCC Frame structure is FDD) as per CR(R1-150770) is not supported.

- SCC-1 cannot be measured correctly during Power Control Tolerance - Relative Power - Ramping Up or Down measurement in the Inter-Band UL CA.

[Bug Fix] - Fixed the bug in which the device hangs if 3CA and above is configured when MT8821C-012 Parallel Phone Measurement Hardware is not installed in the device. (Fixed in Firmware v30.20)

- Fixed the bug in ULCA in which PUSCH is not transmitted after call connection through UE origination.

- Fixed the bug in which correction values are not set properly after Band Cal execution when PCC Frame Structure is TDD.

- Fixed the bug in which call connection fails depending on the order of reception of the RRC message.

- Fixed the bug in which the Downlink signal overlaps in the UL band for specific Inter-Band ULCA Band Combinations.

- Fixed the bug in which, when Loss is set, then a Test Parameter is selected, and then Test Parameter is set back to Normal, the SCC Input and Output levels do not return to the value before the Test Parameter was set.

- Fixed the bug in which execution of COPYSCR and SAVEALLSCR commands


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result in an error. - Fixed the bug in which retransmission of SCC always occurs when MaxNumOfHARQ is set to a value other than 1.

- Fixed the bug in which UL CA Throughput cannot be measured when a Parameter File with UL CA Throughput set to ON is recalled.

- Fixed the bug during DL 3/4CCs in which Throughput measurement does not end when PCC and SCC1 DL Number of RB=0.

- Fixed the bug in which Handover fails when PCC DL Number of RB=0. - Fixed the bug in CA in which SCC Activation fails after call connection when PCC and SCC1 DL Number of RB=0.

- Fixed the bug during DL 3/4CCs in which Phone2 remote commands do not work properly.

v30.13 3 Dec. 2015

[Known Issue] - For particular Band Combinations during Inter-Band ULCA, the Downlink signal becomes visible within the UL Band.

[Bug Fix] - Support for Critical Update ID001 on Section 2. - Fixed the bug in which UL throughput result becomes 0 % when UL 64QAM parameter is “Enabled”. (bug that occurred from v30.11)

- Fixed the bug in which query response for UL throughput result is always 0 when Channel Coding parameter is not “RMC(DL/UL CA)”. (bug that occurred from v30.11)

- Fixed the bug in which call cannot be established after End Call is executed in Connected state when DL 256QAM parameter is “Enabled”.

- Fixed the bug in which Power Control Tolerance cannot be measured correctly sometimes due to measured subframe being shifted.

- Modified the execution condition of BANDCAL_TEMP

v30.12 29 Oct. 2015

[Version Combination] -Firmware v30.11 [Known Issue] - For particular Band Combination during Inter-Band ULCA, the Downlink signal becomes visible within the UL Band.

[Bug Fix] - Fixed the bug in which SCC signal cannot be output correctly during Joint DL 3CCs.

- Fixed the bug in which IP conflict occurs when using an external PC as an Application Server.

- Fixed the bug during call connection in ULCA mode in which changes in p0-Nominal PUSCH parameter does not take effect on SCC.

- Fixed the bug in which call is dropped during call connection in Contiguous ULCA upon transition to either Power Control Tolerance, Power Template, Spectrum Monitor, or System Configuration screen.

- Fixed the bug during Contiguous ULCA mode in which the SCC1 UL throughput measurement result is always 0 .

- Fixed debug in which call cannot be established when the Band is set to either Band 13, 14, 20, 31, or 44.

- Fixed the bug during Power Control Tolerance-Absolute or Aggregated Power measurement in ULCA mode in which measurements for SCC cannot be performed.

- Fixed the bug in which the call connection drops when Level Optimization before HO is ON and the Test Parameter – Maximum Input Level is set.

- Fixed the bug in which registration cannot be completed when Channel Coding parameter is “RMC(DL CA)” or “RMC(DL/UL CA)”.

- Fixed the bug during UL throughput measurement in UL CA mode in which


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PHICH of SCC1 is NACK. - Fixed the bug in which call is dropped after Absolute Power measurement in Inter-band UL CA mode, and cannot be reconnected.

v30.11 17 Sep. 2015

[Additional Features] - Added LTE VoLTE Echo Back function (MX882164C). - Added LTE-Advanced FDD DL CA 4CCs Measurement Software (MX882112C-041) - Added LTE-Advanced TDD DL CA 4CCs Measurement Software (MX882113C-041) - Added LTE-Advanced FDD DL CA 4CCs IP Data Transfer (MX882112C-046) - Added LTE-Advanced TDD DL CA 4CCs IP Data Transfer (MX882113C-046) - Added support for DL 256QAM (Common Parameter – DL RMC – 256QAM) - Added Source CC parameter in CA Swap Handover function. (Call Processing Parameter - Carrier Aggregation Source CC)

- Added support for ULCA UL throughput measurement. (Rx Measurement Parameter - SCC UL Throughput Measurement)

- Added support for CR(R4-153777) in UL CA EVM measurement. (Removal of carrier leakage before EVM measurement)

- Added support for Joint DL 2CCs / UL 1CC and DL 3CCs / UL 1CC.

CA Configuration Joint CA Support DL 2CCs / UL 1CC ✓ DL 2CCs / UL 2CCs DL 3CCs / UL 1CC ✓ DL 3CCs / UL 2CCs DL 4CCs / UL 1CC DL 4CCs / UL 2CCs

Note: When PCC Frame Structure is set to TDD, only Uplink Downlink Configuration=1 is supported.

[Known Issue] - The following Joint DL 3CC combinations have an existing problem where the SCC signal is not correctly output. The procedure provided below can be done in order to avoid the occurrence of this problem, - PCC - SCC1 - SCC2 - FDD - FDD - TDD - FDD - TDD - TDD - TDD - TDD - FDD - TDD - FDD - FDD

1. Set Channel Coding to RMC (DL CA) 2. Set the Number of SCC to 2. 3. Set the parameters for each CC. [Bug Fix] - Fixed the bug in which Intra Frequency Cell Measurement Report cannot be obtained.

- Fixed the bug in which Additional update result value of Attach Accept is not set to SMS only when Additional update type value of Attach Request is SMS only.

- Fixed the bug where Measurement Report is not received after Inter Freq HO even with Measurement Report set to On.

- Fixed the bug in which TCP/IP Throughput in FDD CA is unstable. - Fixed the bug in which a ping command that is less than or equal to 17bytes does not pass through for specific UEs.

- Fixed the bug in which the application hangs during End Call operation.


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- Fixed the bug in which the device becomes unresponsive to Remote control after continuously and repeatedly performing Remote control and Go To Local.

- Fixed the bug during GPIB Remote control in which the return values become unsynchronized and do not match with the query commands.

- Fixed the bug in which Full Cal does not correctly perform calibration when executed in Phone1 and Phone2 at the same time.

- Fixed the bug in which the output level of Phone2 becomes abnormal when SCC-1/2/3 AWGN On/Off is toggled during MIMO measurement.

- Fixed the bug in which DL External Loss is not reflected in Phone2’s output level during MIMO measurement.

- Fixed the bug in which the device does not operate normally during start up when automatic synchronization fails after call connection is established with a modem while performing synchronization for 3CA.

- Fixed the bug in Intra-band Contiguous UL CA Spectrum Emission Mask measurement in which the Frequency result is outside the indicated Frequency Range.

- Fixed the bug in which UL CA Relative Power cannot be measured correctly. - Fixed the bug in which measurement after Inter Freq HO times out when Test Parameter = SRS Time Mask is set.

- Fixed the bug in which synchronization error occurs when Test Parameter = SRS Time Mask is set.

- Fixed the bug in which measurement fails due to synchronization error when the following parameters are set:

Frame Structure = TDD Bandwidth = 20MHz DL Number of RB = 100 Group Hopping = Off Long Span Search = On - Fixed the bug in which SCC DL Number of RB is not restored to its original value after setting Test Parameter to Tx2 – PUCCH IBE and then setting it back to Normal.

- Fixed the bug in which the application hangs when a parameter change is performed during simultaneous measurement of Tx and Rx.

- Fixed the bug in which abnormal values are returned by measurement result query commands for unmeasured state in UL CA.

- Fixed the bug in which the return value differs with the expected value for the following query commands. CARRLEAK? SCC1 TMGERR? SCC1 IQIMB_PER? SCC1 IQIMB_DB? SCC1 SPECFLAT1? SCC1 SPECFLAT2? SCC1 SPECFLAT1_M? SCC1 SPECFLAT2_M? SCC1 PCTPWR? SCC1 PCTPWRE2?

v30.02 28 Jul. 2015 [Other] - Added functions for improvement of manufacturability.


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v30.01 16 Jul. 2015

[Version Combination] - Firmware v30.01 [Improvement] - Improved the output level accuracy. [Bug Fix] - Fixed the RRC Connection Reconfiguration message content to establish a call connection for inter-band UL CA.

- Fixed the return value of following query commands which previously were different from the expected value. CARRFERR? HZ CARRFERR? PPM TTL_WORST_SEM_LV? (when test condition is Contiguous UL CA) TTL_WORST_SEM? (when test condition is Contiguous UL CA) WORST_CARRFERR? PPM (when test condition is Inter-band UL CA)

- Fixed the bug in which the last modified IPv6 parameters are not correct.



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11. MX882164C LTE VoLTE Echoback Version Date Details

v30.30 22 Mar. 2016

[Version Combination] - Firmware v30.30 [Additional Features] - Added support for AMR-WB(6.6～23.85kbps) and AMR-NB(4.75～12.20kbps) codec rates.

- Added function to set VoLTE APN by remote command.

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Features] - Added VoLTE Video Echo back function. [Bug Fix] - Voice quality improvement of VoLTE Test Mode Downlink Fixed Data - Fixed the bug in which IMS status becomes None after LTE→WCDMA→LTE system change.

v30.10 17 Sep. 2015 [First Release] 12. MX882115C W-CDMA HSPA Evolution IP Data Transfer Version Date Details

v30.30 22 Mar. 2016 [Version Combination] - Firmware v30.30

v30.20 20 Jan. 2016 [Version Combination] - Firmware v30.20



v30.10 17 Sep. 2015 [First Release] 13. MX882120C SEQ Measurement Software Version Date Details

v30.30 22 Mar. 2016 [Version Combination] - Firmware v30.30

v30.20 20 Jan. 2016

[Version Combination] - Firmware v30.20 [Additional Features] - Support for Output Level Pattern setting of 200 patterns. - Support for acquisition of the collective result of all segments in TX power measurement mode.

[Improvement] - Measurement is enabled for TX power measurement mode even without MX882120C license.

v30.13 3 Dec. 2015 [Bug Fix] - Support for Critical Update ID001 on Section 2. - Modified the execution condition of BANDCAL_TEMP


v30.10 17 Sep. 2015 [First Release]


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v30.01S 13 Aug. 2015 [Beta version Release]


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14. Critical Update ID001 DL Output Level Error caused by Band Calibration Bug

3 Dec. 2015 Thank you for using MT8821C. We sincerely apologize for numerous problems caused by the bug described in this

document. Below is a brief explanation about the details concerning this problem. 1. Background In order to cancel out the effects of temperature change into the measurement results in MT8821C, a calibration

mechanism (Band Calibration) which makes use of internal signals is implemented. It was found out that this process currently has a bug in which the output Level of the DL signals will deviate from its expected level upon the execution of Band Calibration command. This problem only has slight effects on applications where only 1 DL signal is generated using TX1 such as LTE, W-CDMA, TD-SCDMA, GSM, CDMA2000, etc. However, in LTE-A where multiple DL signals are generated, TX2 to 4 signal output levels can deviate up to 2dB depending on the frequency setting. This may cause various problems in UE tests such as RX sensitivity in which invalid results will be acquired. This bug can be fixed through software version update. 2. Occurrence This issue occurs when Band calibration is executed (No similar problem occurs through Full Calibration) regardless of the selected Tx port (Main/Aux). 3. Effects on Output Level Accuracy The impact of this problem to the output level varies depending on the TX (DL) used and the corresponding frequency

setting. The following table and illustration shows the additional error caused by this bug to the DL level accuracy specifications.

TX Severity of Effects* TX2 to4 Depending on the frequency, an error of about ±0 to

2dB affects the generated DL level. (Please check Annex. showing the relationship between frequency and output level error through a graph). Corresponding Standard : LTE-A, SCC1 to 3

TX1 About ±0.2dB of error affects the DL level regardless of the DL frequency. Corresponding Standard : LTE, W-CDMA, GSM, CDMA2000, 1xEV-DO, TD-SCDMA, HSPA, SEQ

* Similar conditions apply for LTE 2x2 MIMO – DL 2nd Antenna. (TX1 corresponds to the effects on PCC DL and TX2~4 for SCC1~3).

About Acquired Measurement Data from Previous Versions DL Level accuracy generally has little to no effect on Tx Test Measurements except some Open Loop Power Control

related tests but significantly affects various Rx Measurements such as Rx Sensitivity. In order to quantify the extent of the effects on TX1, the level accuracy of 10 MT8821C devices being manufactured were

tested. With standard range of ±1.0dB / Typical Value±0.7dB specified in the catalog, the actual measured worst range was measured to be ±0.3dB (350≦Frequency≦3800 MHz). With this worst case range of ±0.3dB and the additional ±0.2dB error due to this bug, the level accuracy will be ±0.5dB which still falls within the defined uncertainty requirement of 0.7dB by 3GPP standards. However, since this data is acquired using 10 devices, all measurement results cannot be guaranteed. If the above is acceptable, we believe that measurement result acquisition for each standard except LTE-A need not be repeated. On the other hand, Rx measurement data acquired through a setup that includes the use of Tx 2 to 4 need to be reacquired due to the substantial error caused by this bug 4.Countermeasure Please use the following software version in order to avoid this issue.

Standard Version Platform ,LTE, W-CDMA, GSM, CDMA2000, 1xEV-DO, TD-SCDMA, HSPA, SEQ V30.13 onwards

TX1

TX1

Phone1

Phone2

TX2 to 4

TX2 to 4


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Annex. Tx Output level Error vs Frequency The relationship between Tx Output Level Error vs Frequency is shown in the following graph. The blue line near the 0dB range shows that the TX1 deviates from the expected output level only by ±0.2dB regardless of the frequency. The other lines shows that TX2 ~4 output level has a deviation of ±0～2dB depending on the frequency point.

TX Output Level Error vs Frequency (V30.12, 1 sample data)

*Expected Value is set to the DL level measured right after Fullcal. The deviation from that value is then quantified by measuring the output level for each points after executing Bandcal.

**Positive values indicate that the output level became higher than the measurement before Bandcal.

The following graph shows the improvement on the output level error using the new software version:

TX Output Level Error vs Frequency (V30.13, 1 sample data)


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15. Critical Update ID002 LTE Power Control Tolerance measurement result is lower by 1.25dB Bug

22 Mar. 2016

Thank you for using MT8821C. We sincerely apologize for numerous problems caused by the bug described in this document. Below is a brief explanation about the details concerning this problem. 1. Issue LTE Power Control Tolerance – Absolute Power measurement result is displayed as 1.25dB lower than the expected

result due to an insufficiency in the result conversion process. Normal TX Power measurement and other measurement items are not affected. 2. Occurrence The issue occurs when performing measurements with Measurement Item set to Power Control Tolerance. The bug does not occur for Contiguous UL CA (“UL 2CCs Cont” is displayed in the General Information Display)

measurement. 3. Effect on Measurement Results Measurement items and the effect of the bug is detailed below.

Measurement Item Effect 6.3.5.1 Power Control Absolute power tolerance Since the result being evaluated is an absolute measurement

value, measurement result is 1.25dB lower than the expected value. In versions prior to V30.30, correct results are obtained when 1.25dB is added to the measured value.

6.3.5.2 Power Control Relative power tolerance There is no effect since a relative measurement value is being evaluated.

6.3.5.3 Aggregate power control tolerance There is no effect since a relative measurement value is being evaluated.

4. Countermeasure Please use the following software version in order to avoid the issue.

Standard Version LTE V30.30 or later

1. contentsdl.cdn-anritsu.com/en-au/test-measurement/files/software/drivers... · tac-1et8821c0056...

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