Optical Communication Device Using Frequency Comb for Multi-System Support
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Solution Overview
Problem
Current 4G RoF systems require separate equipment for each communication system, leading to increased costs and space requirements, as they struggle to efficiently support multiple systems like WiMAX and LTE, especially in environments with poor signal quality or high data traffic.
Innovation Solution
An optical communication device and method utilizing a laser source, optical amplifier, and micro-resonator-based optical signal generating chip to generate a multi-wavelength frequency comb, which modulates communication signals, enabling efficient transmission over optical fibers and supporting multiple communication systems with reduced equipment needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate RoF equipment is placed for each communication system (WiMAX, LTE), then each system can be supported reliably, but the cost and space requirements increase significantly
Solution Approach 1:
The patent implements a universal RoF equipment design where a single optical communication device can support multiple communication systems (WiMAX, LTE, and future systems) through software-defined networking capabilities. The device includes a plurality of communication interfaces that can be dynamically configured to handle different communication protocols, eliminating the need for separate dedicated equipment for each system while maintaining reliable support for all supported standards.
2Reliability
If separate RoF equipment is placed for each communication system, then system-specific performance is optimized, but the placement space requirements increase
Solution Approach 1:
The patent merges multiple communication system support functions into a single integrated RoF equipment unit. The device combines multiple communication interfaces, a unified optical signal processing unit, and shared radio frequency components that can be dynamically allocated to different systems. This consolidation significantly reduces the physical space required for equipment placement while maintaining optimized performance for each supported communication system through software-based resource management.
3Reliability
If separate RoF equipment is used for each system, then each system operates independently and reliably, but the overall cost increases
Solution Approach 1:
The patent employs a universal RoF equipment architecture with software-defined networking capabilities that can be deployed across multiple communication systems. The device includes configurable communication interfaces and programmable signal processing units that can be licensed or configured to support different communication standards (WiMAX, LTE, and future systems). This approach reduces deployment costs by eliminating the need to purchase and maintain separate hardware equipment for each system while maintaining reliable operation through software-based resource management and isolation.
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 reduces the number of required components and costs by using a frequency comb to interface multiple communication systems, enhancing signal transmission efficiency and coverage while minimizing equipment and space requirements.
Implementation Method 1
a laser source, an optical amplifier, and an optical signal generating chip. The laser source generates a laser beam
Implementation Method 2
The optical amplifier is coupled to the laser source and amplifies light intensity of the laser beam in a specific wavelength band
Implementation Method 3
The micro-resonator is coupled to the optical amplifier and generates a multi-wavelength frequency comb according to the amplified laser beam
Implementation Method 4
The modulation module is coupled to the micro-resonator and modulates a communication signal set to generate a plurality of optical modulated signals according to the multi-wavelength frequency comb
Data Source
AI summary
An optical communication device and an optical communication method are provided. The optical communication device includes a laser source, an optical amplifier, and an optical signal generating chip. The laser source generates a laser beam. The optical amplifier is coupled to the laser source and amplifies light intensity of the laser beam in a specific wavelength band. The optical signal generating chip includes a micro-resonator and a modulation module. The micro-resonator is coupled to the optical amplifier and generates a multi-wavelength frequency comb according to the amplified laser beam. The modulation module is coupled to the micro-resonator and modulates a communication signal set to generate a plurality of optical modulated signals according to the multi-wavelength frequency comb.