A new area-based incumbent protection technique based on three-dimensional beamforming for dynamic spectrum access in a millimeter-wave band

In this letter, we propose an advanced incumbent protection method that considers three-dimensional aspects of 5G New Radio (NR) beamforming for dynamic spectrum access (DSA). The proposed method further introduces a concept of area-based protection to satisfy protection criteria for a primary syste...

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Bibliographic Details
Published in:IEICE COMMUNICATIONS EXPRESS 2021/08/01, Vol.10(8), pp.528-532
Main Authors: Onose, Keita, Kuriki, Hiroto, Kimura, Ryota, Sawai, Ryo
Format: Article
Language:English
Subjects:
beamforming
dynamic spectrum access
incumbent protection
spectrum management/access system
transmission power control
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Summary:In this letter, we propose an advanced incumbent protection method that considers three-dimensional aspects of 5G New Radio (NR) beamforming for dynamic spectrum access (DSA). The proposed method further introduces a concept of area-based protection to satisfy protection criteria for a primary system (PS) with inaccurate location information. We show some computer simulation results for deploying a 5G based secondary system (SS) in a millimeter-wave band which is primarily assigned to a fixed wireless access (FWA) based PS. The results demonstrate that the proposed method increases allowable transmission powers of the SS by up to 15 dB, compared to a conventional method.
ISSN:2187-0136
2187-0136
DOI:10.1587/comex.2021ETL0037