Content for TR 36.897 Word version: 13.0.0
2 References
3 Definitions, symbols and abbreviations
4 Introduction
5 Evaluation scenarios and antenna configurations
6 Potential enhancements for elevation beamforming/FD-MIMO
7 Evaluation results
8 Considerations on Potential CSI-RS and Feedback Enhancements
9 Conclusions
A Simulation assumptions
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2 References
3 Definitions, symbols and abbreviations Word‑p. 6
4 Introduction
5 Evaluation scenarios and antenna configurations Word‑p. 8
6 Potential enhancements for elevation beamforming/FD-MIMO
6.1 Implementation based enhancement schemes
6.1.1 Category 1: Sectorization (in one or both of vertical and horizontal domains) with different cell-ID for each sector
6.1.2 Category 2: Virtual sectorization using one or more beamformed CSI-RS resource(s) with a single cell-ID (single sector as a special case) Word‑p. 14
6.1.3 Category 3: Kronecker precoding with 2 CSI processes
6.1.4 Category 4: SRS based precoding scheme in TDD
6.2 Specification based enhancement schemes Word‑p. 15
7 Evaluation results Word‑p. 20
7.1 Phase 1 results
7.1.1 Scenario 1 (3D-UMa with ISD 500m)
7.1.2 Scenario 2 (3D-UMa with ISD 200m) Word‑p. 22
7.1.3 Scenario 3 (3D-UMi with ISD 200m) Word‑p. 24
7.1.4 Scenario 4 (Non co-channel heterogeneous network case with macro and small cell layer at different carrier frequencies) Word‑p. 27
7.1.5 Scenario 5 (Co-channel heterogeneous network case with macro and small cell layer with no Elevation BF/FD-MIMO in small cells) Word‑p. 28
7.1.6 Scenario 6 (Co-channel heterogeneous network case with macro and small cell layer with Elevation BF/FD-MIMO in small cells) Word‑p. 29
7.2 Phase 2 results Word‑p. 30
8 Considerations on Potential CSI-RS and Feedback Enhancements Word‑p. 48
9 Conclusions Word‑p. 49
A Simulation assumptions Word‑p. 50
A.1 Simulation assumptions for homogeneous networks (scenarios 1, 2, 3)
A.2 Simulation assumptions for non co-channel heterogeneous networks (scenario 4) Word‑p. 52
A.3 Simulation assumptions for co-channel heterogeneous networks (scenario 5, 6) Word‑p. 55
A.4 Simulation assumptions for uplink
A.5 Simulation assumptions for DMRS enhancement Word‑p. 56
$ Change history Word‑p. 58
