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 requirements. The meeting aimed to specify requirements for non-adjacent carrier ACLR and non-adjacent pass-band CACLR to align with NR standards and provide adequate protection. Regional spurious emission requirements for NR repeaters in FR2 UL were also highlighted.
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Presentation Transcript
3GPP TSG-RAN WG4 Meeting # 99-e R4-2108631 Electronic Meeting, 19th 27th May, 2021 WF on emission related radiated requirements WF on emission related radiated requirements Nokia
WF on DL ACLR and DL CACLR ACLR or some equivalent requirements are required for DL to meet the same adjacent channel protection as NR spec. Wait for the output power before ACLR definition and modified OBUE, absolute ACLR are both the candidates for ACLR definition. Based on the outcome of ACLR discussion, corresponding requirements are specified for non-adjacent carrier CACLR and non- adjacent pass-band CACLR
WF on UL ACLR and UL CACLR Wait for the conclusion of output power before UL ACLR definition After output power requirements are defined consider at least following options BS ACLR is applied Same absolute ACLR, if defined, is applied for DL and UL
WF and OBUE/SEM OBUE and SEM are related to ACLR requirements and appropriate requirements depends on conclusion for ACLR
WF on spurious emissions for UL The BS general spurious requirement in FR2 for category A and B is applicable for NR repeaters in FR2 UL The additional spurious emission requirements for EESS protection in UE specification are specified for NR repeater as regional requirements without applying NS concept.
