Hybrid Wireless Wired Sensor Signal Transmission
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Solution Overview
Problem
Existing wireless communication systems in vehicles face issues with incomplete message delivery and inefficient bandwidth utilization, leading to increased costs and potential delays in sensor signal transmission, especially when wireless communications are interrupted.
Innovation Solution
A method and system where a local processor selectively interrupts signal transmission from a wired sensor to a processor using an electrical cable, allowing the sensor signal to be communicated through a second input, enabling identification and encoding of the signal for transmission via existing wires, thereby bypassing wireless communication interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high bandwidth transmission channels are used to overcome communication bottlenecks, then message delivery reliability is improved, but system cost increases and bandwidth utilization efficiency deteriorates
Solution Approach 1:
The patent combines wireless and wired communication channels into a unified communication system. The wired sensor signal lines are repurposed to carry communication data during wireless interruptions, merging two separate communication paths into a complementary hybrid system that improves reliability without proportionally increasing cost.
Solution Approach 2:
The existing wired sensor signal lines are given dual functionality: they continue to transmit sensor data normally while also serving as backup communication channels for sensor identification and data transmission when wireless communication fails. This multi-functionality increases reliability without adding dedicated backup infrastructure.
2Reliability
If different transmission channels are used for every two or three sensors, then message delivery reliability is improved, but bandwidth utilization efficiency deteriorates
Solution Approach 1:
Multiple sensor communication tasks are merged into shared wireless and wired channels. Instead of dedicating separate channels to each sensor, the patent enables dynamic sharing where wireless channels handle normal operation and wired channels provide backup capacity, allowing efficient utilization of available bandwidth across multiple sensors.
3Reliability
If additional wireless transceivers are used for every transmission channel, then communication reliability is improved, but system cost increases
Solution Approach 1:
The patent merges wireless transceiver communication with existing wired sensor infrastructure. Instead of adding separate transceivers for each channel, the system combines wireless transmission capability with the already-present wired signal lines, creating a hybrid communication approach that improves reliability without proportionally increasing transceiver count.
Solution Approach 2:
The wired sensor signal lines act as an intermediary medium that bridges the gap between wireless communication interruptions and the processor. These existing wires serve as a mediator that can carry communication signals during wireless failures, reducing the need for additional direct wireless transceiver pairs.
4Ease of manufacture
If encoding sensor signals on common power supply lines is used, then system cost is reduced, but device complexity increases
Solution Approach 1:
The existing power supply or signal lines are given dual functionality by enabling them to carry both their original power/sensor signal and encoded communication signals. This multi-functionality reduces the need for separate dedicated communication wiring while maintaining relatively simple implementation by utilizing already-present infrastructure.
Data Source
AI summary
There is provided a method and system for communicating a signal output from a wireless sensor to a processor on a mobile platform upon interruption of wireless communications with the processor. The wireless sensor is signally connected to a local processor operative to wirelessly communicate with the processor. A second sensor is signally connected to first and second inputs of the processor via an electrical cable. The local processor is operative to selectively interrupt signal transmission from the second sensor to the processor effective to identify the wireless sensor and effective to communicate the wireless sensor signal via the second input of the processor.