Movable Base Station Control for 5G Shielded Communication
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Solution Overview
Problem
Communication quality in 5G systems is unstable in environments with moving shields due to high frequency bands' rectilinear propagation properties and shielding effects, necessitating improved communication quality over a wide area.
Innovation Solution
A control apparatus that includes an information acquisition unit, shield map generation unit, communication quality calculation unit, and base station control unit to optimize the position and direction of movable base stations using shield sensing information and estimated communication quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If high frequency bands such as millimeter wave bands are used for 5G communication, then data transmission speed and system capacity are improved, but communication quality becomes unstable due to rectilinear propagation properties and shielding effects
Solution Approach 1:
The base station is made movable instead of fixed, allowing it to dynamically adjust its position and orientation to maintain optimal communication links. The movable base station can actively track terminals and adapt to changing shield positions, converting a static system into a dynamic one that can respond to environmental changes and maintain communication quality stability despite the challenges of high frequency bands.
Solution Approach 2:
The system implements feedback mechanisms where communication quality metrics are continuously monitored and used to adjust base station positioning and orientation. The control apparatus receives communication quality information and shield sensing data, then adjusts the movable base station's position and direction to maximize communication quality, creating a closed-loop control system that maintains stability despite high frequency band limitations.
2Quantity of substance
If high frequency bands are used, then system capacity is improved, but communication quality deteriorates in environments with moving shields due to large losses from shielding
Solution Approach 1:
The movable base station dynamically adjusts its position and orientation to maintain line-of-sight paths and minimize shielding effects. By actively moving to optimal positions, the system can maintain high communication quality even in environments with moving shields, allowing high frequency bands to be used effectively for high capacity applications without sacrificing reliability.
Solution Approach 2:
The system performs preliminary actions by predicting shield movements and proactively adjusting base station position and orientation before communication quality deteriorates. The shield sensing unit detects moving shields in advance, and the control apparatus pre-positions the movable base station to maintain optimal communication paths, preventing quality degradation before it occurs.
3Reliability
If the position and direction of the movable base station are optimized to maximize communication quality, then communication quality over wide area is improved, but system complexity increases due to need for shield sensing and real-time control
Solution Approach 1:
The control apparatus integrates multiple functions into a single system: shield sensing, communication quality calculation, base station control, and position optimization. By combining these functions in one multi-functional device, the system achieves wide area communication quality improvement without proportionally increasing overall system complexity, as the control apparatus handles multiple tasks simultaneously.
Solution Approach 2:
The system implements self-service mechanisms where the movable base station autonomously adjusts its own position and orientation based on feedback from the control apparatus. The base station independently responds to control signals and self-optimizes its configuration, reducing the operational complexity burden on external control systems while achieving comprehensive communication quality improvement.
Data Source
AI summary
Provided is a control apparatus in a wireless communication system including the control apparatus and a movable base station, the control apparatus including: an information acquisition unit that acquires shield sensing information; a shield map generation unit that generates a shield map on the basis of the shield sensing information; a communication quality calculation unit that calculates an estimated received power in each coverage area element or each terminal for each position and direction of an antenna of the movable base station on the basis of the shield map, calculates an estimated communication quality in each coverage area element or each terminal on the basis of the estimated received power, and calculates an index value for controlling the movable base station on the basis of the estimated communication quality; and a base station control unit that controls the position and direction of the antenna of the movable base station so that the index value is maximized.