R1-2509335
discussion
Views on evaluation assumptions for 6GR air interface
From CSCN
Summary
CSCN provides views on 6GR NTN evaluation assumptions, proposing specific NTN parameters be discussed alongside TN parameters to enable a unified design, and recommending specific satellite orbits and detailed system-level simulation parameters for LEO-600km S-band operations in three proposals.
Position
CSCN proposes discussing NTN evaluation parameters alongside TN parameters to finalize as many as possible by the end of the current meeting, aiming to establish a baseline for unified TN-NTN design and prevent delays. They propose evaluating VLEO-300km, LEO-600km, LEO-1200km, and GSO orbits, with specific technical emphasis on VLEO-300km due to its reduced RTT facilitating unified TN-NTN design. They provide specific antenna model parameters for LEO-600km NTN in S-band, including (28,28,1,1,1;1,1) satellite antenna configurations with circular polarization and fully connected TXRU mapping. They provide detailed SLS assumptions for LEO-600km NTN in S-band, covering multiple system bandwidths, UE antenna heights (1.5m and 10km), transparent and regenerative payload types with specific EIRP density values per bandwidth and number of active beams (16/32), and specific UE gain figures for normal (0dBi) and worst case (-5.5dBi) scenarios.
Key proposals
- Proposal 1 (Introduction/Discussion/Conclusions): NTN parameters should be discussed along with TN assumptions, targeting consensus on as many parameters as possible in this meeting.
- Proposal 2 (Discussion/Conclusions): VLEO-300km, LEO-600km, LEO-1200km, and GSO should be considered for 6GR evaluation.
- Proposal 3 (Section 2.2/Conclusions): Consider the parameters reported in Table 1 and Table 2 for 6GR NTN evaluation.