name: CRS-RM
full_form: CRS rate matching
context: the reference scheme without interference cell CRS handling and the CRS-RM schemes. Three different CRS-RM schemes, including CRS-RM for 1 interference cell always with the strongest interference, CRS-RM for 1 interference cell not always with the strongest interference (optional), and CRS-RM for 2 strongest interference cells, are evaluated. For CRS-IM schemes, interference cell CRS-IM is used together with MMSE-IRC receiver, and CRS-IC and LLR weighting are considered as two different implementations of CRS-IM. PDSCH link-level simulations are performed to evaluate the performance gain of CRS-RM and CRS-IM schemes over the reference scheme without interference cell CRS handling. 8 simulation cases with different network scenarios, Rx antenna numbers and MCS levels are included, and 7 CRS interference handling schemes in addition to the reference scheme are evaluated for each simulation case. RAN4 initial observations from link-level evaluation results for 15 kHz SCS and synchronous
description: CRS-RM (CRS rate matching) is a technique used in LTE and NR networks to mitigate interference caused by overlapping spectrum. It involves adjusting the transmission rates of control signals to minimize interference between cells.
explanation: The context describes CRS-RM as a scheme for managing interference in LTE and NR networks, highlighting its technological nature and application in telecommunications.
section_title: 6.2Conclusion on CRS interference handling in scenarios with overlapping spectrum for LTE and NR
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