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  4. Beamforming-enhanced Conditional Handover for air-to-Ground Communications in 6G
 
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Beamforming-enhanced Conditional Handover for air-to-Ground Communications in 6G

Citation Link: https://doi.org/10.15480/882.14346
Publikationstyp
Conference Paper
Date Issued
2024-10
Sprache
English
Author(s)
Neumann, Stefan  
Nachrichtentechnik E-8  
Meyerhoff, Thomas  
Shah, Syed Aizaz Ali  
Nachrichtentechnik E-8  
Grünheid, Rainer  
Nachrichtentechnik E-8  
Bauch, Gerhard  
Nachrichtentechnik E-8  
TORE-DOI
10.15480/882.14346
TORE-URI
https://tore.tuhh.de/handle/11420/52822
Citation
100th IEEE Vehicular Technology Conference, VTC 2024
Contribution to Conference
100th IEEE Vehicular Technology Conference, VTC 2024  
Publisher DOI
10.1109/VTC2024-Fall63153.2024.10757681
Scopus ID
2-s2.0-85213010456
Publisher
IEEE
ISBN
979-8-3315-1779-3
979-8-3315-1778-6
In high mobility scenarios, cell selection in preparation for handover is a non-trivial task. Particularly a user equipment (UE) installed on board a passenger aircraft faces a high handover frequency and strong interference from a terrestrial radio access network (RAN) due to the high velocities and altitude of the aircraft. Conventional reference signal received power (RSRP) measurements do not reflect the potential for interference mitigation in the aeronautical regime. Therefore, we incorporate beamforming into conditional handovers such that signal to interference power ratio (SIR) measurements are used for the cell selection in order to find a serving base station which provides the best SIR after beamforming. Link budget simulations to evaluate the proposed method are performed using real passenger aircraft flight trajectories and real world base station deployment data. The proposed method improves the link availability by 32 percentage points compared to the conventional handover procedure while decreasing the average handover interval by up to 0.6 s at the high UE velocities. We also show that a handover candidate filtering rule based on the direction of flight offers a trade-off by increasing the average handover interval by up to 2.3 s at the cost of availability.
Subjects
6G | air to ground | beamforming | handover
DDC Class
621.3: Electrical Engineering, Electronic Engineering
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
Publisher‘s Creditline
Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting / republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to server or lists, or reuse of any copyrighted component of this work in other works.
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