20240039590. BROADBAND MILLIMETER WAVE BEAM TRACKING METHOD BASED ON VEHICLE MOTION TRAJECTORY COGNITION simplified abstract (BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS)
Contents
BROADBAND MILLIMETER WAVE BEAM TRACKING METHOD BASED ON VEHICLE MOTION TRAJECTORY COGNITION
Organization Name
BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
Inventor(s)
BROADBAND MILLIMETER WAVE BEAM TRACKING METHOD BASED ON VEHICLE MOTION TRAJECTORY COGNITION - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240039590 titled 'BROADBAND MILLIMETER WAVE BEAM TRACKING METHOD BASED ON VEHICLE MOTION TRAJECTORY COGNITION
Simplified Explanation
The patent application describes a method for tracking the beam angle in broadband millimeter wave communication systems based on the movement trajectory of vehicles. The method involves estimating the initial beam angle based on the position and attitude of the vehicles, and then judging the state of the vehicle by analyzing the sudden change rate of the transmitting beam angle.
If the sudden change mode is detected, the observation value of the received signal is calculated. If the smooth change mode is detected, a different observation value is calculated. These observation values are then input into an improved particle filter algorithm to obtain optimal values for the beam angle.
The optimal beam angle values are used to re-estimate the forming vectors of the transmitting and receiving beams, which allows for adjustment of the vehicle and transmission of the pilot signal at the next moment. By continuously adjusting the beam forming vector at each moment, accurate beam tracking within an error range is achieved.
Potential applications of this technology include:
- Broadband millimeter wave communication systems
- Vehicle-to-vehicle communication
- Autonomous vehicles
- Wireless communication in urban environments
Problems solved by this technology include:
- Tracking the beam angle in broadband millimeter wave communication systems
- Dealing with sudden changes in the beam angle
- Improving the accuracy and reliability of beam tracking
Benefits of this technology include:
- Improved communication performance in dynamic scenarios
- Enhanced reliability of wireless communication systems
- Better utilization of millimeter wave spectrum
- Improved efficiency and accuracy of autonomous vehicle systems
Original Abstract Submitted
a broadband millimeter wave beam tracking method based on vehicle movement trajectory recognition, which relates to the field of wireless communication. first, a rough estimate of the beam angle is obtained according to the position and attitude of two vehicles in a communication scenario at an initial moment, and a state of the vehicle is judged according to the sudden change rate of the transmitting beam angle starting from a next moment; if it is in the sudden change mode, the observation value �of the received signal is calculated; if it is in the smooth change mode, the observation value i is calculated; the observation values in different modes are input into an improved particle filter algorithm for fine beam estimation, to obtain optimal values xand u; and the beam optimal values at the current moment are used to re-estimate a pair of the forming vector of the transmitting beam and the forming vector of the receiving beam to adjust the vehicle and the pilot signal at the next moment is transmitted; by continuously adjusting the beam forming vector at each moment, a beam tracking within an error range is obtained. the present application improves the accuracy and reliability of beam tracking in case of sudden angle change.
