Reflective Splitter OWC Front End for Scalable Peer-to-Peer Communication
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Solution Overview
Problem
Existing optical wireless communication (OWC) systems face challenges in scalability and efficiency due to the need for centralized control and coordination of communication between endpoint devices.
Innovation Solution
The introduction of an OWC front end with a reflective splitter that allows light to be passed between user ports for direct communication between endpoint devices, reducing the reliance on centralized control and enhancing scalability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If centralized control is used to coordinate communication between endpoint devices, then communication reliability is improved, but system scalability deteriorates
Solution Approach 1:
The system is segmented into two communication modes: centralized control mode for reliable communication and direct peer-to-peer mode for scalability. The reflective splitter enables endpoint devices to communicate directly without controller intervention, dividing the communication path into controller-mediated paths and direct device-to-device paths.
Solution Approach 2:
The reflective splitter acts as an intermediary optical component that enables direct communication between endpoint devices while maintaining the ability to route signals through the controller when needed. It mediates between centralized control requirements and direct communication needs by reflecting light between different user ports.
2Ease of operation
If centralized control coordinates all communication between endpoint devices, then communication management is simplified, but processing burden on controller increases
Solution Approach 1:
The communication coordination function is extracted from the controller and implemented directly at the optical level through the reflective splitter. This removes the processing burden of coordinating peer-to-peer communication from the controller while maintaining simplified management through the optical architecture.
Solution Approach 2:
Endpoint devices are enabled to self-organize communication directly through the reflective splitter without requiring controller intervention. The optical architecture itself provides the coordination mechanism through its physical light routing capabilities, making the system self-organizing at the communication level.
3Productivity
If light from one user port is passed to other user ports, then direct peer-to-peer communication is enabled, but interference between users may occur
Solution Approach 1:
The reflective splitter is designed with directionality and selectivity, routing light from each user port to specific other ports based on the communication direction. This local quality control ensures that light is transmitted only where needed and prevents unwanted interference by controlling which ports receive light from which sources.
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
This solution enables direct peer-to-peer communication between endpoint devices, reducing the processing burden on the controller and improving the system's scalability, while also allowing for efficient uplink connections.
Implementation Method 1
light received at the controller port is passed to one or more of the user ports for transmission to one or more OWC endpoint devices
Implementation Method 2
light received at any of the user ports is passed to at least one other of the user ports for transmission to one or more OWC endpoint devices
Implementation Method 3
the OWC front end comprises a filter arranged to prevent visible light from being passed from any of the user ports to others of the user ports
Data Source
AI summary
An Optical Wireless Communication, OWC, front end (300) comprises a reflective splitter (310). The reflective splitter (310) has a controller port (311) for optical coupling to a controller (200) which generates OWC signals, and the reflective splitter (310) has a plurality of user ports (312) for optical coupling to OWC endpoint devices (400). The reflective splitter (310) is constructed and arranged such that: light received at the controller port (311) is passed to one or more of the user ports (312) for transmission to one or more OWC endpoint devices (400) in optical wireless communication with that user port (312); and light received at any of the user ports (312a) is passed to at least one other of the user ports (312b, 312c) for transmission to one or more OWC endpoint devices (400) in optical wireless communication with that user port (312b, 312c).