Vehicle Wireless Onboard Private LTE Network
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Solution Overview
Problem
Existing vehicle communication systems face challenges with high costs, power consumption, and security issues, particularly with wired connections and special-purpose wireless devices that require multiple types of wireless devices for different communication modes.
Innovation Solution
A vehicle communication system utilizing a mobile server unit with antennas, transceivers, and controllers to establish a wireless onboard private LTE network among vehicles, allowing for secure and efficient data and control signal transmission, with a designated master server unit coordinating other mobile server units and client units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wired connections are used for vehicle communication, then communication reliability is improved, but installation cost and complexity increase
Solution Approach 1:
The patent replaces wired mechanical connections with wireless communication systems. The vehicle communication system uses transceivers and antennas to establish wireless connections between vehicles, eliminating the need for physical cable installations while maintaining communication reliability through protocol-level error correction and redundancy mechanisms.
Solution Approach 2:
The wireless communication system serves multiple functions including data transmission, control signaling, and coordination between vehicles. A single wireless infrastructure replaces multiple specialized wired connections, providing universal communication capability across different vehicle types and communication needs.
2Adaptability or versatility
If special-purpose wireless devices are used for different communication modes, then communication functionality is improved, but device complexity increases
Solution Approach 1:
The patent implements a universal wireless communication system that handles multiple communication modes (data transmission, control signaling, coordination) through a single infrastructure. The system uses a standardized protocol stack that can accommodate different communication requirements without requiring specialized hardware for each mode.
Solution Approach 2:
The patent combines multiple communication functions into a unified wireless system. Instead of deploying separate wireless devices for different communication purposes, the system integrates all communication needs into a single network infrastructure that supports various protocols and modes through software configuration.
3Reliability
If wireless devices operate continuously, then communication availability is improved, but power consumption increases
Solution Approach 1:
The wireless communication system employs periodic transmission and reception cycles rather than continuous operation. Devices can enter low-power sleep modes between communication intervals, activating only when data needs to be transmitted or received, thereby reducing overall power consumption while maintaining communication availability when needed.
Solution Approach 2:
The system uses feedback mechanisms to dynamically adjust communication activity based on actual needs. When no data requires transmission, the system reduces or suspends wireless activity, allowing devices to conserve power. Communication resumes when feedback indicates data is available or required.
Data Source
AI summary
A vehicle communication system includes a mobile server unit configured to be operably deployed onboard a first vehicle of a vehicle system. The mobile server unit includes an antenna, a transceiver, and a controller. The controller is configured to control the transceiver to establish a wireless onboard private long term evolution (LTE) network with plural mobile client units that are located on other vehicles of the vehicle system, for wireless communications between the vehicles of the vehicle system, while the vehicle system is moving. The mobile server unit may be configured to establish the private LTE network in coordination with other mobile server units that are onboard other vehicles in the vehicle system, such that a selected one of the mobile server units is designated as a master server unit for overall control of the private LTE network, and the other mobile server units are designated as subordinates.