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Review on FR2 testability issue

This document provides an update on the testability issue related to Frequency Range 2 (FR2) in the 3GPP TSG-RAN5 Meeting #84. It includes observations, contributions, and references to address the issue. The deadline for uploading contributions is November 8th.

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Review on FR2 testability issue

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  1. 3GPP TSG-RAN5 Meeting #84 R5-19xxxx Ljubljana, Slovenia, 26th Aug 2019 - 30th Aug 2019 Agenda Item : 5.3.5.17 Document for : Information Review on FR2 testability issue NTT DOCOMO, INC.

  2. Status of testability issue • Contributions about FR2 testability issue can be summarized as below. • Observations • ACLR SNR estimation will be required again if RAN4 core requirement is updated during this meeting. • There are 3 contributions about MOP (SC), and all contributions conclude “No relaxation is required”. • Testability issue is newly raised in following TCs which is not listed in LS from RAN Plenary. • OBW, In-band blocking, General Spurious

  3. Comparison of 3GPP with Regulatory body (ARIB) • Observations • Some estimations (highlighted in RED) don’t satisfy acceptable value from ARIB. • It seems that ACLR (relative requirement) is the most critical case since required relaxation much exceeds acceptable value. • NOTE 1 : Required relaxation value depends on “Antenna array assumption” and “test points (MPR)”.

  4. Time plan • In order to complete RAN5 work in time (Nov-2019), it is beneficial to receive reply LSs before RAN5#85. • ARIB : Reply LS is already received in [12]. • FCC : Status? • ETSI : Status? • Questions • If RAN5 (RAN P) doesn’t receive reply LS before RAN5#85, • RAN5 will conclude this topic according to reply LSs which is available then. • RAN5 will not conclude this topic until all the reply LSs are available. (RAN5 work will be delayed.) • When is enough to receive reply LS to prepare RAN5 contributions for Nov meeting? • Deadline for upload is “8th, Nov”.

  5. References [1] R5-193104 : SNR estimation update for FR2 priority 1 and 2 TRx TCs, Anritsu, RAN5#NR5 [2] R5-196572 : Impact of noise for FR2 ACLR, Anritsu, RAN5#84 [3] R5-196589 : Testability of FR2 ACS and IBB, Anritsu, RAN5#84 [4] R5-196573 : Impact of noise for FR2 OBW, Anritsu, RAN5#84 [5] R5-196852 : On the SNR for FR2 TRx test cases, ROHDE & SCHWARZ, RAN5#84 [6] R5-196853 : Discussion on testability of ACS and IBB, ROHDE & SCHWARZ, RAN5#84 [7] R5-196868 : On noise impact, Keysight Technologies UK Ltd, RAN5#84 [8] R5-196869 : FR2 OBW measurement uncertainty, Keysight Technologies UK Ltd, RAN5#84 [9] R5-196870 : Discussion paper on FR2 ACS and IIB, Keysight Technologies UK Ltd, RAN5#84 [10] R5-196871 : FR2 Tx spherical coverage noise impact, Keysight Technologies UK Ltd, RAN5#84 [11] R5-196872 : FR2 ACLR noise impact, Keysight Technologies UK Ltd, RAN5#84 [12] R5-196960 : Reply LS on 5G-NR FR2 Transmitter & Receiver Testability Issues, ARIB, RAN5#84 [13] RP-191603 : 5G-NR FR2 Transmitter & Receiver Testability Issues, TSG RAN, RAN#84

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