Mobile Phased-Array Satellite Antenna for In-Motion Signal Tracking
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Solution Overview
Problem
Existing communication systems lack the capability for mobile, global satellite communication with high signal quality and increased data capacity, particularly in densely populated areas and during vehicle motion.
Innovation Solution
A mobile satellite communication system featuring a phased array antenna mounted on a mobile housing, a satellite transceiver, and a motor-actuated system to track satellites, enabling phased-array RF signal communication and bonding of satellite channels to increase data capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mobile satellite communication system uses a phased array antenna with motor actuation to track satellites, then signal quality is improved through alignment, but device complexity increases due to the motor and actuator mechanisms
Solution Approach 1:
The patent implements a motor or actuator mechanism that dynamically adjusts the antenna orientation to track moving satellites, enabling the system to maintain optimal signal alignment while compensating for satellite motion and vehicle movement
Solution Approach 2:
The system employs a control mechanism that receives satellite position data and vehicle motion information, then automatically adjusts antenna orientation in real-time to maintain optimal tracking, creating a closed-loop feedback system that resolves the contradiction between mobility and signal quality
2Productivity
If the system bonds multiple satellite channels to increase data capacity, then productivity is improved through increased data throughput, but device complexity increases due to the channel bonding mechanism
Solution Approach 1:
The patent combines multiple satellite communication channels into a single bonded channel, aggregating their bandwidth capacity to provide high-speed data transmission that exceeds what a single channel could deliver independently
3Ease of operation
If the antenna is designed with a low profile for mobile mounting, then ease of operation is improved for vehicle installation, but gain may be reduced compared to larger stationary antennas
Solution Approach 1:
The patent employs phased array technology that electronically controls the phase and amplitude of signals across multiple antenna elements, enabling a compact low-profile structure to achieve high gain through constructive interference and beamforming rather than relying on physical size alone
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides universal global coverage, improves signal quality by aligning the antenna with the satellite, and increases data capacity, all while being operable on vehicles in motion with a low-profile, high-gain antenna.
Implementation Method 1
a motor or actuator to unidirectionally move the antenna to track the one or more satellites
Implementation Method 2
communicate phased-array RF signals
Data Source
AI summary
A global communication system includes a mobile portion; a phased-array antenna attached to the mobile portion; an antenna to face a satellite; a transceiver to communicate with the satellite; and a processor to optimize communication from the transceiver.