Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Three-dimensional UPF beam tracking method for millimeter wave communication platform of unmanned aerial vehicle

A communication platform and beam tracking technology, applied in transmitter monitoring, radio transmission system, space transmit diversity, etc., can solve problems such as particle degradation, achieve the effect of improving effectiveness, improving beam tracking accuracy, and improving degradation problems

Active Publication Date: 2021-11-09
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the particle filter itself is prone to particle degradation, its accuracy needs to be further improved

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Three-dimensional UPF beam tracking method for millimeter wave communication platform of unmanned aerial vehicle
  • Three-dimensional UPF beam tracking method for millimeter wave communication platform of unmanned aerial vehicle
  • Three-dimensional UPF beam tracking method for millimeter wave communication platform of unmanned aerial vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0065] In this embodiment, the line-of-sight path (LOS) is taken as an example, in which both the transmitting and receiving ends adopt a hybrid beamforming system, the millimeter wave frequency is 28GHZ, and are equipped with uniform planar arrays (Uniform Planar Arrays, UPA) with the number of array elements M=16×16 , the array element spacing is The signal-to-noise ratio (SNR) is 20dB, the number of particles n=100, the tracking time T is 100, the correlation coefficient ρ=0.995, the initial AOA and AOD phases in the horizontal and vertical domains and the angles of f and w are all set to 45°, and the angle variation variance The state vector dimension is n=4, the number of UKF algorithm Sigma point sets d=2×4+1=9, and the UPF tracking method is carried out by using the three-dimensional UPF beam tracking method oriented to the UAV millimeter wave communication platform of the present invention.

[0066] figure 2 It is a comparison chart between the real angle of the b...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a three-dimensional UPF beam tracking method for a millimeter wave communication platform of an unmanned aerial vehicle, and belongs to the technical field of wireless communication. The three-dimensional UPF beam tracking method comprises the following steps: firstly, establishing a suggested density function by using a UKF algorithm, and updating sampling particles; secondly, calculating the weight of each particle and normalizing the weight; thirdly, re-sampling the particles to weaken the particle weakening phenomenon; and finally, calculating a particle mean value to obtain a filtered phase. According to the UPF beam tracking method, aiming at an unmanned aerial vehicle millimeter wave communication scene, an unscented Kalman particle filtering technology is adopted, three-dimensional millimeter wave beam real-time alignment is realized, and the accuracy of beam tracking is improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a three-dimensional UPF beam tracking method for a millimeter wave communication platform of an unmanned aerial vehicle. Background technique [0002] Due to its high mobility, flexible networking, and low cost, UAVs are widely used in various fields, including reconnaissance, transportation, infrastructure inspection, agricultural irrigation, and disaster relief. In order to realize the high-speed data transmission requirements in the execution of these tasks, mmWave communication technology is required. Since the millimeter wave frequency band has higher path loss, beamforming technology is usually used in the millimeter wave communication system to compensate. In order to ensure good communication performance, the transmitting and receiving ends must ensure that the beams match each other. However, when the transmitter / receiver is a UAV platform, t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04B7/08H04B17/12H04B17/21H04B17/391
CPCH04B17/391H04B17/12H04B17/21H04B7/0617H04B7/063H04B7/086
Inventor 仲伟志张俊杰李鹏辉朱秋明陈小敏
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com