Laser Light Communications Device with Dual-Layer Signal Encryption
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Solution Overview
Problem
Optical wireless communications (OWC) face challenges in maintaining signal integrity and security, particularly in ensuring the accuracy and completeness of data transmission while preventing interception and interference.
Innovation Solution
A laser light communications device employing a two-tiered transmission signal with a communication layer and a protection layer, where the protection layer surrounds the data layer to ensure encryption and integrity, using high-energy pulses that can be absorbed by the receiver for power and alignment stabilization, and incorporating encryption methods to secure data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a two-tiered transmission signal with protection layer is used, then security and signal integrity are improved, but device complexity increases
Solution Approach 1:
The transmission signal is segmented into two distinct layers: an inner communication layer carrying data and an outer protection layer monitoring integrity. This segmentation allows independent functionality of each layer while maintaining overall system reliability through the protective mechanism.
Solution Approach 2:
The communication layer is nested within the protection layer, forming a concentric two-tiered signal structure. The protection layer encapsulates the communication layer, enabling the inner data-carrying signal to be shielded and monitored by the outer security layer.
2Speed
If high-energy light pulses are used for transmission, then transmission speed is improved, but energy consumption increases
Solution Approach 1:
The receiver captures and stores energy from the high-energy protection layer pulses through photovoltaic conversion, recovering a portion of the transmitted energy. This recovered energy is stored in capacitors or batteries to power the receiving device, reducing the need for external power sources during communication.
Solution Approach 2:
The system enables self-powered operation where the receiving device harvests energy directly from the transmitted protection layer pulses. The high-energy pulses serve dual purposes: maintaining signal integrity and providing power to the receiver, eliminating the need for separate power sources.
3Reliability
If encryption methods are incorporated, then security is improved, but device complexity increases
Solution Approach 1:
Encryption functionality is merged with the two-tiered signal structure itself. The protection layer serves both as an integrity monitoring mechanism and as an encrypted communication channel, where the presence and characteristics of the protection layer pulses encode security information without requiring separate encryption hardware.
4Reliability
If barrier light source surrounds light transmitting cells, then security against interception is improved, but manufacturing precision requirements increase
Solution Approach 1:
The barrier light source is configured as a flexible surrounding structure that envelops the light transmitting cells. This shell-like arrangement creates a protected transmission zone without requiring rigid precision mounting, as the barrier function is maintained through the continuous surrounding geometry rather than precise component alignment.
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 solution provides secure, reliable, and efficient data transmission by ensuring that any interception of the protection layer immediately halts data transmission, and the energy from the protection layer can be reused for subsequent transmissions or to recharge devices, enhancing signal integrity and security.
Implementation Method 1
a laser light transmitter... a laser light signal comprising a communication layer and a protection layer
Implementation Method 2
photo diodes... configured to detect the laser light signal
Implementation Method 3
The light transmitter may comprise a barrier light source; wherein the barrier light source may substantially surround the one or more light transmitting cells such that a light generated by the barrier light source encapsulates the data light
Implementation Method 4
The laser light communications device may further comprise a stabilizer; wherein the stabilizer ensures that the light transmitter and the light receiver are aligned such that the data light may be received by the light receiving cells
Data Source
AI summary
An apparatus and a method are provided for an optical wireless communication (OWC) laser light communications device. The laser light communications device comprises one or more pairs of transmitting and receiving cells. The transmitting and receiving cells may be used in a variety of arrangements and configurations, and scaled appropriately for given data transmission needs. A laser light signal, comprising a communication layer and a high-energy protection layer, is sent from transmitting cells to receiving cells. The high-energy protection layer physically envelopers the communication layer. The protection layer provides for enhanced security and encryption, and ensures signal integrity when received and ultimately decoded and interpreted. The receiving cells may be configured to utilize the energy of the high-energy protection layer, such as by using the energy to charge a battery, or to provide energy for a subsequent transmission.