OSN9800 TNS1STD Wavelength Division Board Supports New Coding and Modulation Theory Research

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Product Description

1.Product Overview

TNS1STD is a strategic foundational research platform for cutting-edge research in information theory and communication systems on the OSN 9800 series optical transmission platform.This product is an open experimental platform built to explore the fundamental performance limits of communication systems, verify revolutionary coding and modulation theories, and study post Shannon information transmission paradigms.It aims to bridge the gap between pure theoretical analysis and practical physical channels, providing top information scientists around the world with a real physical layer hardware environment that can be precisely controlled, deeply observed, and extreme tested, in order to promote the boundary expansion of human understanding of the basic laws of information transmission.

2.Core positioning and basic research mission

Experimental exploration of approaching and surpassing Shannon limits

To verify the theoretical performance limits of new channel coding schemes (such as next-generation coding that exceeds the current performance limits of LDP/polar codes), advanced modulation formats (such as geometric shaping, probability shaping, multidimensional modulation), and nonlinear compensation algorithms, provide a full link, full rate hardware testing platform that is close to actual transmission conditions.

Support the quantitative evaluation of the"implementation loss" of various emerging theories in real fiber channels under controllable and reproducible experimental conditions, and promote the transformation of theory into practice.

Cross Study of Channel Capacity Theory and Actual Channels

Provide precise modeling and controllable injection capability for the physical characteristics of fiber optic channels, such as nonlinearity, noise, and dispersion, allowing researchers to systematically study the actual impact of these non ideal factors on the capacity limits of various information domains, such as mutual information and cutoff rates.

Explore capacity approximation schemes in more complex channel models such as non additive Gaussian white noise (non AWGN) channels and memory channels.

Performance limit analysis of basic components in communication systems

Independently or jointly programmable control and performance characterization of key physical layer devices such as analog-to-digital converters (ADC/DAC), laser linewidth, amplifier noise index, etc., to study their fundamental constraints on the overall information transmission capability of the system.

Support research on optimal system architecture under specific power consumption, cost, or complexity constraints.

Cultivate a leading force in basic research of information science

As a bridge connecting theoretical information theory with engineering practice, we provide top-notch facilities for doctoral students, postdoctoral fellows, and young scientists to engage in high-level experimental information science research, cultivating the next generation of academic leaders with profound theoretical foundations and strong engineering insights.

3.System Core Architecture and Research Characteristics

1.Physics and System Architecture

Model: TNS1STD

Platform attribute: Frontier research platform for basic theories of information theory and communication systems

Design principles:"Accurate and controllable parameters, fully observable processes, and highly flexible links".

2.Core reconfigurable and controllable units

Programmable signal generation and processing chain: From baseband digital signal generation, encoding, modulation, shaping filtering, to digital to analog conversion, electro-optical modulation, all key parameters of the entire chain (such as roll off factor, pre emphasis, bias point) can be precisely defined and adjusted by software.

Controllable channel damage simulation unit: It can accurately and repeatedly inject and adjust various channel damages, including adjustable power amplifier spontaneous emission (ASE) noise, controllable size dispersion and polarization mode dispersion (PMD), programmable nonlinear effect simulation, etc.

High performance and high-precision measurement and acquisition unit: equipped with ultra-high sampling rate and high-precision oscilloscope level ADC, as well as coherent reception and digital signal processing (DSP) unit, capable of capturing and analyzing the complete statistical characteristics of signals, used to calculate core indicators such as mutual information and bit error rate.

3.Deep open experimental interface

Bottom level algorithm and parameter interface: allowing researchers to completely bypass the standard DSP process and directly load custom encoding, modulation, equalization, decoding, and detection estimation algorithms.

Raw data access interface: Provides full access to the raw voltage waveforms collected by ADC, complex digital signals received coherently, and intermediate data in each processing stage.

Performance evaluation framework interface: an open performance evaluation framework that allows users to customize performance metrics (beyond BER, MI, such as block error rate, complexity metrics, etc.)and testing processes.

4.Research supporting ecosystems

Theoretical Experimental Joint Simulation Environment: Provides seamless interfaces with mainstream scientific computing environments such as MATLAB and Python, supporting the direct deployment of theoretical simulation code to hardware for verification.

Open datasets and benchmarks: Based on this platform, generate and publish standardized and annotated fiber channel experimental datasets for algorithm validation and performance comparison in the global academic community.

Annual Open Challenge: Organize international challenges around specific foundational problems, such as"optimal low complexity coding under a given channel," to attract top teams from around the world to participate.

4.Typical cutting-edge research topics

Research on Capacity Limit of Nonlinear Fiber Channel: Under controllable nonlinear intensity, experimentally study and verify the new capacity limit theory of fiber nonlinear channel, and explore practical coding and modulation schemes that approximate this capacity.

Performance limits of short packet communication and finite block length encoding: For short packet scenarios such as the Internet of Things and industrial control, accurately evaluate the gap between the actual performance of finite block length encoding and the theoretical finite length performance on hardware platforms.

Performance verification of joint source channel coding in optical communication: Explore the theoretical gain of directly applying joint source channel coding in the optical layer, and evaluate its implementation complexity and performance in real systems.

Basic research on communication systems empowered by artificial intelligence: Using the full link controllability provided by the platform, study the fundamental performance limits and interpretability of AI/ML methods in basic communication problems such as channel estimation, signal detection, encoding and decoding.

Research on communication theory adaptation for new devices: To study the optimal communication theory framework and signal design methods corresponding to the non ideal characteristics of future devices such as silicon optical modulators and new photodetectors.

5.Summary of Core Values

Promoting original innovation in information science: providing an essential"experimental platform" for verifying revolutionary theories that may rewrite textbooks, accelerating the transformation from theoretical concepts to recognized scientific truths.

Consolidate the theoretical foundation for the long-term development of the communication industry: By addressing the fundamental performance limits and loss issues, provide direction and theoretical toolbox for the continuous evolution of communication technology in the coming decades.

Leading the global trend of information theory experimental research: By establishing a world leading open experimental platform, attracting top global wisdom, and establishing an international leadership position in this interdisciplinary research field.

Cultivate a strategic basic research culture: Demonstrate and promote long-term, challenging basic research models and cultures within the industry and in collaboration with academia.

6.Admission and operation mechanism

Platform code: TNS1STD.

Operating mechanism: Adopting the"Open Access Research Platform under the Guidance of Academic Committees" model.The academic committee is composed of internationally renowned experts in information theory and communication theory, responsible for reviewing research proposals, allocating time, and guiding research directions.

User qualification: Open to universities and research institutions worldwide dedicated to experimental research on communication basic theory.Research proposals need to have clear scientific questions, theoretical innovation, and experimental feasibility.

Achievement management: Strongly encourage open scientific practice. The research results (papers, algorithm codes, experimental data) should be made public to the greatest extent possible. The benchmark dataset and tools generated by the platform itself will be open sourced to maximize its scientific impact and promote progress across the entire field