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TR 38.844
Study on Efficient utilization of licensed spectrum
that is not aligned with existing NR channel bandwidth

3GPP‑Page   eToC↓   LoFT↓   CONTENT →
V18.0.0 (Wzip)  2023/03  40 p.
Rapporteur:
Ms. Sienkiewicz, Esther
Ericsson LM

essential Table of Contents for  TR 38.844  Word version:  18.0.0

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List of Figures and Tables

Table 4-1Summary of operators' input for irregular channel bandwidth
Figure 6.1.1-1Using the next larger channel bandwidth (example for 7MHz)
Table 6.1.1-1Exemplary number of RBs based on the next larger channel guard bands (15kHz SCS)
Table 6.1.1-2Exemplary number of RBs based on the next larger channel guard bands (30kHz SCS)
Table 5.4.2.2-1Channel Raster to Resource Element Mapping
Figure 6.1.2.1.2-1a 7 MHz irregular block within an FDD band
Figure 6.1.2.1.3-1support of a 55 MHz irregular channel block for TDD
Figure 6.1.2.3-1the FDD case with the irregular spectrum block at the band edge
Figure 6.1.2.3-2the TDD case with the irregular spectrum block at the band edge
Figure 6.1.3-1Example of the NW utilizing the lower RBs near the NR band edge with BWP
Figure 6.1.3-2Possible scenarios for the 10MHz channel filter
Table 6.1.3-1Summary of adjacent interfering signal parameters
Figure 6.1.3-3Estimated SNR depending on the adjacent interferer level
Figure 6.2.1.1-1Using overlapping carriers (example for 13MHz).
Figure 6.2.1.2-1Detailed overview of overlapping carriers (6MHz channel with 5MHz carriers)
Figure 6.2.1.2-2Detailed overview of overlapping carriers (7MHz channel with 5MHz carriers)
Figure 6.2.1.2-3Detailed overview of overlapping carriers (11MHz channel with 10MHz carriers)
Table 6.2.1.2-1Exemplary number of RBs based on the next smaller overlapping channel (15kHz SCS)
Table 6.2.1.2-2Exemplary number of RBs based on the next smaller overlapping channel (30kHz SCS)
Table 6.2.1.2-3Summary of how many SSB/CORESET#0 needed for different channel bandwidths
Figure 6.2.1.2-4Using overlapping carriers with single overlapping SSB (example for 13MHz)
Figure 6.2.2.3-1UE architecture for full BW support showing split by the use of two LOs
Figure 6.2.2.3-2UE architecture for full BW support showing split by the use of NCOs
Figure 6.2.3-1Overlapping CA from network perspective
Figure 6.2.3-2Overlapping CA from UE perspective
Table 6.3.3-1spectrum utilization
Table 6.3.4-1channel spacing and spectrum utilization
Figure 6.6.3-1Legacy UE may be configured for either of the two carriers
Table 6.7.5-1Analysis on the impact to BS core specification for a new channel BW
Figure 6.7.6.1-1Exemplary usage of overlapping carriers with 100kHz and non-100kHz alignment (7MHz irregular channel)
Table 7.1-1Comparison of different schemes
Figure A.1-1Overlap at the bottom of n12 and n85

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