Tsg ran4 - PowerPoint PPT Presentation


Evolution of Rule-Based Approach for Defining dTib and dRib Values in Nokia RAN4

Proposal in RAN4#99 explores a rule-based approach for defining dTib and dRib values, aiming to complement table compression efforts. The study discusses how certain band combinations follow specific rules and handles cases individually. RAN4 plans to further discuss defining rule sets for deriving

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RAN4 Discussion on Enabling 3.45-3.55GHz in Band n77 for T-Mobile USA

In the electronic meeting of 3GPP TSG-RAN WG4, Issue 1.5-1 and Issue 1.5-2 were discussed regarding how to differentiate UEs supporting the new frequency range and modifying NOTE 12 in Table 5.2-1 in TS 38.101-1 to include the support of 3.45-3.55GHz in addition to 3.7-3.98GHz for Band n77 in the US

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3GPP TSG-RAN WG4 Meeting #97-e Summary

The 3GPP TSG-RAN WG4 Meeting #97-e held an electronic meeting to discuss NR positioning performance requirements. Agreements were made in the first round, with discussions ongoing in the second round. The work plan focuses on performance parts based on SA testing, with a detailed WP available in the

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Way Forward for Uplink Full Power Transmission in 3GPP TSG-RAN.WG4#95-e Meeting

Discusses the implementation guidelines and performance requirements for Uplink Full Power Transmission (ULFPTx) features in 3GPP meetings, focusing on Mode-1 UE support, TX antenna connectors, SRS resource transmission methods, and Transparent TxD applicability, emphasizing the existing UE features

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3GPP TSG-RAN-WG4 Meeting #96-e Electronic Meeting Summary

The 3GPP TSG-RAN WG4 Meeting #96-e focused on discussions related to IAB-MT Pcmax, power control, dynamic range, and various power requirements contributions from CMCC, Samsung, Nokia, ZTE, Ericsson, and Huawei. Agreements were made on Pcmax, PHR, power control, and dynamic range specifications for

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Discussion on FDM Operation for SL and Uu in Licensed Band at 3GPP TSG-RAN WG4#98-e Meeting

The 3GPP TSG-RAN WG4#98-e meeting discussed introducing Frequency Division Multiplexing (FDM) operation for Uplink (UL) and Secondary Link (SL) in licensed bands. Topics included frequency separation, power control, RF architecture, and intra-band Carrier Aggregation (CA). Options were considered fo

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3GPP TSG-RAN-WG4 Meeting #98-bis-e Electronic Meeting Summary

The 3GPP TSG-RAN-WG4 Meeting #98-bis-e discussed Channel Modeling for FR2 in the context of NR HST enhancements. Issues related to link budget evaluation and performance requirements were covered. Discussions included channel models for Scenario-B, demodulation performance requirements, and uplink c

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Approval and Validation Updates for NR MIMO OTA in 3GPP TSG-RAN.WG4 Meeting

The 3GPP TSG-RAN.WG4 Meeting discussed approval for the NR MIMO OTA workplan, addressed FR2 blocking issues, and emphasized the use of polarized antenna models. Updates were made to the power validation procedure and gNB beams usage criteria for FR1 MIMO OTA channel model validation. Collaboration w

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CSI-RS Measurement Requirements and UE Behavior: 3GPP TSG-RAN-WG4 Meeting #99-e

The electronic meeting at the 99th session of 3GPP TSG-RAN-WG4 discussed CSI-RS configuration and L3 measurement requirements. Options were outlined for time domain restrictions, UE behavior in case of timing offset exceedance, and time validity of detected associated SSB. Various companies and thei

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Highlights from 3GPP TSG-RAN WG4 Meeting #97-e - November 2020

Various companies presented contributions for AMPR and REFSENS for 35MHz and 45MHz channel bandwidths at the electronic meeting of 3GPP TSG-RAN WG4. Discussions included agreements, issues related to n8, n25, and n71 45MHz REFSENS, UL configurations for different regions and carriers, A-MPR agreemen

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Emission Requirements Discussion at 3GPP TSG-RAN-WG4 Meeting #99-e

Discussion at the 3GPP TSG-RAN-WG4 Meeting #99-e focused on emission-related radiated requirements for DL and UL in relation to adjacent channel protection in NR specifications. Various options and candidates for defining ACLR were explored, along with considerations for spurious emissions and OBUE

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Discussion on UL 7.5kHz Frequency Shift for n34 and n39 in 3GPP TSG-RAN WG4 Meeting #100-e

The approval document for Working Group on Dual-Site Selection (DSS) for n34 and n39 in CMCC, discussed in the 3GPP TSG-RAN WG4 Meeting #100-e, addresses the UL 7.5kHz shift agreements for different releases. The document outlines the mandatory nature of the shift for n34 and n39 in later releases,

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Definition and Measurement Periods for RSTD in 3GPP TSG-RAN WG4 Meeting

In this document from the 3GPP TSG-RAN WG4 Meeting, the definition of intra/inter-frequency measurements, scenarios for RAN4 requirements, and measurement periods for RSTD are discussed. The focus is on requirements for RSTD and UE Rx-Tx time difference measurements. Various options and factors are

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gNB Positioning Measurement Requirements Discussion at 3GPP TSG-RAN WG4 Meeting

Discussion at the 3GPP TSG-RAN WG4 meeting #98bis-e focused on gNB positioning measurement requirements, including beam sweeping, gNB accuracy requirements, samples for gNB accuracy, RoAoA side conditions, and SRS-RSRP measurement accuracy requirements. The meeting addressed various candidate option

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Discussion on A-MPR Requirements for PSSCH/PSCCH Transmission in 3GPP TSG-RAN-WG4#95-e Meeting

In the 3GPP TSG-RAN-WG4#95-e meeting, discussions revolved around defining A-MPR requirements for PSSCH/PSCCH transmission for NR V2X UE. The meeting focused on identifying the worst A-MPR values from companies, defining regulatory requirements, and outlining tentative agreements for incorporating n

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3GPP TSG-RAN-WG4 #96e Meeting Summary

The electronic meeting of 3GPP TSG-RAN-WG4 #96e focused on NR V2X RRM requirements, discussing interruptions to WAN due to V2X Sidelink Communication and performance metrics like L1 SL-RSRP measurement accuracy. Work plans were set for RRM test cases development and baseline definition for LTE V2X R

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3GPP TSG-RAN-WG4 Meeting #98-e Electronic Meeting Summary

The document outlines the agenda and discussions from the 3GPP TSG-RAN-WG4 Meeting #98-e held electronically from January 25th to February 5th, 2021. It focuses on RRM requirements and enhancements related to Rel-17 NR HST FR2, involving Nokia and Nokia Shanghai Bell. The meeting delves into the app

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3GPP TSG-RAN-WG4 Meeting #95e - CSI-RS Configuration and Measurement Definitions

This document outlines the discussions and decisions made at the 3GPP TSG-RAN-WG4 Meeting #95e held electronically from 25th May to 5th June 2020. The focus was on defining CSI-RS configuration and intra/inter-frequency measurements for CSI-RS based L3 measurements, with detailed requirements and sc

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3GPP TSG-RAN-WG4#95-e Meeting Summary: Power Class Requirements and Way Forward Decisions

During the 3GPP TSG-RAN-WG4#95-e meeting, discussions were held on power class requirements, UL MIMO, and other related topics. The meeting covered various options for setting up TxD requirements, focusing on Release 16 independence, UL MIMO emission requirements for R15, NSA NR power class clarific

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Understanding Beam Squint Effects in 3GPP TSG-RAN-WG4 Meeting

Beam squint effects in 3GPP TSG-RAN-WG4 meeting are discussed, focusing on the degradation of spherical coverage due to frequency separation between primary and secondary component carriers. The impact on CBM inter-band DL/UL channel aggregation and intra-band CA is also explored, highlighting the n

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Agreements on Core Requirement Maintenance of Direct SCell Activation

Companies provided contributions on core requirement maintenance to RAN4#99-e, focusing on timelines, known conditions, and measurement thresholds for Direct SCell Activation in NR.FRI. This document outlines unresolved issues and agreements reached regarding activation procedures, condition require

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3GPP TSG-RAN WG4 Meeting #98-e Electronic Meeting Summary

In the 3GPP TSG-RAN WG4 Meeting #98-e Electronic Meeting, discussions were held on various topics such as NR RRM enhancements, BWP switching on multiple CCs, UL spatial info switch, and more. Issues regarding BWP switching in core and performance parts were addressed, along with considerations for s

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UE PRS Measurement Requirements Discussion at 3GPP TSG-RAN WG4 Meeting #98-e

Discussion at the 3GPP TSG-RAN WG4 Meeting #98-e focused on UE PRS measurement requirements. The topics included consideration of muting in measurement periods, periodicity scaling for PRS resources, handling different resource periodicities, and offsets in measurement periods. Various options were

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NTN RRM Timing Related Requirements for Xiaomi Devices at 3GPP TSG-RAN4 Meeting #98-e

The agenda item for the 3GPP TSG-RAN4 Meeting #98-e involves discussing NTN RRM timing related requirements, specifically focusing on UE timing synchronization for Xiaomi devices. Key aspects include UE transmit timing error limits, timing advance accuracy, and UE timer accuracy requirements for NTN

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Proposals for BCS4 Implementation in 3GPP TSG-RAN-WG4 Meeting #97-e

In the 3GPP TSG-RAN-WG4 Meeting #97-e, proposals were discussed regarding the implementation of BCS4 to address existing issues with BCS systems in inter-band and intra-band NR-CA scenarios. The introduction of BCS4 aims to reduce RAN4 workload, improve efficiency in analyzing new channel bandwidths

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3GPP TSG-RAN4 Meeting #98e - bis E-meeting Overview

Approval document for test cases on MR-DC Idle mode CA measurements by Nokia, Nokia Shanghai Bell. Includes baseline agreements, development details, WF approvals, and test case lists. Also covers MD-DC EMR test cases and measurement performance test cases for SS-RSRP and SS-RSRQ. Discussion summari

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3GPP TSG-RAN4 Meeting #97e Summary

During the 3GPP TSG-RAN4 Meeting #97e, discussions on Multi-RAT Dual Connectivity and Carrier Aggregation enhancements were held. A Work Item (WF) focusing on Idle mode Carrier Aggregation (CA) measurement Radio Resource Management (RRM) requirements was addressed. The meeting included topics such a

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NR V2X Working Group Meeting Summary

Companies participating in the 3GPP.TSG-RAN.WG4#95-e meeting discussed open issues related to NR V2X features for ITU submission. Key topics included RF requirements, A-MPR decisions, and resolving technical challenges. The meeting aimed to address remaining issues in TS38.101-1 and TS38.101-3 to fi

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LTE feMob RAN4 Meeting Test Cases Approval Document

Approval document for LTE feMob test cases was discussed in the 3GPP TSG-RAN4 Meeting #97-e. Nokia, Nokia Shanghai Bell, Qualcomm, and Huawei are responsible for various test cases related to intra-band, inter-frequency synchronous, and asynchronous handovers. The meeting also outlined new inter-fre

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3GPP TSG-RAN-WG4 Meeting #95-e - Mobility Enhancements Overview

The document outlines agreements from the 3GPP TSG-RAN-WG4 Meeting #95-e on NR Mobility Enhancements. It covers background agreements, DAPS handover agreements, interruption requirements, and definitions for asynchronous and synchronous DAPS handover scenarios.

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3GPP TSG-RAN WG4 #99-e Meeting Document Summary

Approval agenda items discussed in the 3GPP TSG-RAN WG4 #99-e meeting included enhancements for UL gap for FR2, issues related to Tx power management, recommendations on RAN configurations, and coherent UL MIMO. The documents and images shared highlight key agreements and discussions on various topi

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3GPP TSG-RAN-WG4 Meeting #96e Electronic Meeting August 17th-28th, 2020

This document discusses various topics related to PMPR reporting values, absolute and relative PMPR trigger thresholds, and the relationship between them. It covers agreements reached on defining reporting values, trigger thresholds, and configurations for event-triggered reporting scenarios within

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Regulatory Requirements in TS38.101-2 and Impact on RAN4 Specifications

Common understanding of the regulatory requirements outlined in TS38.101-2 for bands n258, n257, n260, and n259, including issues related to NS values, A-MPR, connectivity, and transitional periods. Agreements and solutions discussed in RAN4#94-e-bis meeting to address NS mapping, A-MPR issues, and

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3GPP TSG-RAN WG4 Meeting #100-e Electronic Meeting Summary

The 3GPP TSG-RAN WG4 Meeting #100-e held discussions on defining EVM limits, modulation schemes, repeater requirements, and IMD requirements. Emphasis was placed on linking EVM levels to modulation schemes and declaring supported levels for repeaters. The meeting also addressed NF equivalent RF requ

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Analysis of Triple Beat Distortion in 3GPP TSG-RAN-WG4 Meeting #99-e

Analysis conducted during the electronic meeting of 3GPP TSG-RAN-WG4 focuses on the detection and impact of triple beat distortion in intra-band UL carrier aggregation and FDD UL configurations. The study delves into the mechanisms, causes, and effects of triple beat distortion on radio frequency si

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RAN4 Meeting #98-bis-e Summary and Issues on NR UE Power Saving Enhancements

During the RAN4 Meeting #98-bis-e, discussions focused on various issues related to NR UE power saving enhancements. Topics included Applicable DRX cycles, relaxation factors, criteria for RLM/BFD relaxation, and low mobility criteria. Evaluations on RRM measurements and interaction between PDCCH an

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Discussion on Timing Mask Requirement for ULSUP-TDM in RAN4#94e Meeting

In the RAN4#94e and #94e-Bis meetings, discussions were held on the timing mask requirement for ULSUP-TDM, particularly focusing on sub-topics like evaluating uplink timing differences between LTE and NR, clarifying present time mask conditions, and testing time mask requirements. The key issue cent

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Test Scope and Requirements for NR-U Demodulation in 3GPP TSG-RAN4 Meeting #97-e

The document outlines the test scope and requirements for demodulating NR-U (Unlicensed) signals in the context of the 3GPP TSG-RAN4 Meeting #97-e. It covers topics such as defining test scenarios, bandwidth options, downlink transmission models, and the prioritization of test cases for dynamic chan

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3GPP TSG-RAN4 Meeting #96e - Way Forward on PMI Reporting Requirements

Approval document for addressing PMI reporting requirements for Tx ports larger than 8 and up to 32 by Ericsson and Samsung discussed during 3GPP TSG-RAN4 Meeting #96e. The timeline includes agreements from previous meetings (#92, #92bis, #93, #94e, #94e-Bis, #95e) along with simulation assumptions

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Remaining Requirements for NR-U BS Type 1-C and 1-H in RAN4 #96e Meeting

In the RAN4 #96e meeting, open issues related to NR-U BS requirements were discussed, including support for AAS BS type, IBB/OOBB requirements, frequency offset for interfering signals, and LO leakage exception for NR-U BS Tx. Proposals were made and agreements reached regarding frequency offsets fo

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