Way Forward on Transparent Tx Diversity in 3GPP.TSG-RAN.WG4#94-e-Bis Meeting R4-2005652
The meeting discusses the implementation of transparent Tx Diversity for uplink full power transmission in the context of 3GPP specifications for FR1 in Release 16 and beyond. It outlines the necessary changes needed to allow UE behavior of transparent Tx Diversity, test case adaptations, power scal
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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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Key Coexistence Issues in 5-7 GHz Unlicensed Spectrum for NR Sidelink Evolution
3GPP RAN1 is extending NR sidelink operation to 5-7 GHz unlicensed spectrum, raising concerns about channel access and physical design. Discussions include Listen Before Talk protocols, UE-to-UE COT sharing, and coexistence with WiFi technologies. The study aims to specify support for sidelink on un
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RRM Enhancement for NR and MR-DC: PUCCH SCell Activation Requirements
In the electronic meeting of 3GPP TSG-RAN-WG4, the discussions focused on enhancing RRM for NR and MR-DC, specifically addressing PUCCH SCell activation/deactivation requirements. Points were made regarding the ending points of PUCCH SCell activation for both valid and invalid TA cases, beam informa
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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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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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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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Analysis of 3GPP Specification Impact on Japanese Regulation
Background on the FR2 ACLR MBW issue discussed at the 3GPP TSG-RAN Working Group 4 meeting #94-e-bis. Solutions proposed to align ACLR MBW definition between FR1 and FR2 and minimize regulatory impact. Analysis presented on the influence of options 1 and 2 on Japanese regulation.
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