O-RAN Is It Still Relevant in The Age of 6G
Curious about the future of mobile network architecture in the era of 6G? Let's talk about Open RAN.\n \nKey Insights: Open RAN has been hailed for its flexibility and potential cost savings, but it's not without its challenges.\n
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Decoupled SMO Architecture Overview
Develop flows showing interaction between SMO modules in the context of open-source architecture using OSC, ONAP, and other code. The objective is to align open-source work with O-RAN trends, improve synergy, reduce duplication, and provide feedback to O-RAN discussions. Related work includes Decoup
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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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O-RAN Software Community June 2020 Updates
The O-RAN Software Community provides updates on the Cherry Release, Bronze release preparations, key features, use cases, and ongoing collaborative discussions and plans. Topics include E2E use cases, RIC compliance, xAPP development, health checks, infrastructure design, and emulator discussions.
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Overview of O-RAN SC Bronze Release Objectives and Timelines
The content delves into the objectives of the OSC Bronze release focusing on end-to-end RAN communications and traffic steering use cases. It highlights the key elements of the Bronze release like health checks, RAN ecosystem connectivity, and timelines for bi-annual releases. Additionally, it discu
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Evolution of Open RAN and O-RAN in Telecom Networks
Explore the evolution from legacy RAN architectures to open, disaggregated, and intelligent RAN solutions like Open RAN and O-RAN. Learn about the standardization efforts, architecture details, O-RAN Alliance working groups, and the O-Cloud service management framework within the telecom industry.
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Overview of RF Architecture and Waveform Assumptions for NR V2X Intra-Band Operation
In the electronic meeting of 3GPP TSG-RAN-WG4, discussions were held on the RF architecture and waveform assumptions for NR V2X intra-band operation in band n79. Various options and recommendations were presented regarding RF architecture, antenna architecture, and waveform definitions for efficient
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ONAP Package for O-RAN SMO Concept Proposal
Explore the proposed solution to create a streamlined package of ONAP for O-RAN SMO, focusing on essential projects and functionality required for Service Management and Orchestration. The aim is to simplify deployment, reduce complexity, and enhance user experience in utilizing ONAP for SMO purpose
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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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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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Understanding 5G RAN Network Slicing and Architecture
Explore the intricate world of 5G Radio Access Network (RAN) and Network Slicing, delving into concepts such as SO Service Orchestrator, SDN-C Service Design, and Core Network Elements. Discover the significance of managing and designing mobile slice services, including eMBB, Massive IoT, and Missio
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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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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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Review of FR1 REFSENS Table in 3GPP TSG-RAN-WG4 Meeting #99-e
The 3GPP TSG-RAN-WG4 Meeting #99-e discussed the need to simplify the FR1 REFSENS table due to the expansion caused by new channel bandwidths. Various options were proposed, including equation-based representation for TDD bands and considering the impact on RAN5 specifications. The meeting aimed to
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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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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-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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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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Requirements for PRS RSRP Measurements in 3GPP TSG-RAN-WG4 Meeting #96-e
The presentation discusses the measurement requirements for Position Reference Signal Received Signal Strength Indicator (PRS RSRP) in 3GPP TSG-RAN-WG4 Meeting #96-e, focusing on measurement periods, capabilities, side conditions for Downlink Angle of Departure (DL-AoD), and accuracy requirements fo
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Analysis of ACLR MBW Definition Alignment Between FR1 and FR2 in 3GPP TSG-RAN WG4 Meeting #94-e-bis
The discussion in the 3GPP TSG-RAN WG4 Meeting #94-e-bis focused on aligning the ACLR Measurement Bandwidth (MBW) definition between Frequency Range 1 (FR1) and Frequency Range 2 (FR2). Issues were raised regarding the current MBW specification, particularly in capturing the transmission signal full
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3GPP TSG-RAN-WG4 Meeting #94-e-bis Electronic Meeting Summary
The summary discusses agreements and issues regarding NR Mobility Enhancements RRM requirements from the 3GPP TSG-RAN-WG4 Meeting #94-e-bis Electronic Meeting held from April 20th to April 30th, 2020. It includes details on DAPS handover agreements, interruption conditions, power imbalance, and RRM
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3GPP TSG-RAN WG4 Meeting #99-e Electronic Meeting Agenda
The 3GPP TSG-RAN WG4 meeting #99-e electronic meeting held on May 19-27, 2021 discussed gNB positioning measurement requirements, SRS-RSRP accuracy requirements, beam sweeping during gNB measurement, impact of SRS/IoT on accuracy, RF margin for SRS-RSRP, and gNB Tx accuracy requirements. The meeting
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gNB Positioning Measurement Requirements in 3GPP TSG-RAN WG4 Meeting #99-e
In the electronic meeting of 3GPP TSG-RAN WG4, gNB positioning measurement requirements were discussed, focusing on SRS-RSRP accuracy, averaging methods, and the impact of SRS symbols and comb size. The meeting also addressed RF margins for different gNB types to ensure accurate measurements.
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