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Intracerebroventricular Delivery of Gut-Derived Microbial Metabolites in Freely Moving Mice

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A 400G optical wireless integration delivery system.

Xinying Li¹, Jianjun Yu, Junwen Zhang

¹Fudan University, Shanghai 200433, China.

|August 14, 2013

Summary

This summary is machine-generated.

This study presents a 400G optical wireless integration system, achieving a record capacity for wireless data delivery using millimeter-wave frequencies. The system successfully transmitted high-speed data signals over short distances with error rates below the forward-error-correction threshold.

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Area of Science:

Optical wireless communication
Millimeter-wave technology
High-capacity data transmission

Background:

The demand for higher data rates necessitates advanced communication systems.
Optical wireless integration offers a promising solution for high-bandwidth, flexible connectivity.
Millimeter-wave frequencies are crucial for achieving high data throughput in wireless links.

Purpose of the Study:

To demonstrate a record-breaking 400G optical wireless integration system.
To achieve simultaneous high-capacity data transmission in millimeter-wave bands.
To validate the performance of advanced modulation and signal processing techniques in optical wireless systems.

Main Methods:

Utilized two millimeter-wave (mm-wave) frequency bands (37.5 GHz and 100 GHz).
Employed two-channel polarization-division-multiplexing 16-ary quadrature amplitude modulation (PDM-16QAM) and PDM quadrature phase shift keying (PDM-QPSK) signals.
Integrated multiple-input multiple-output (MIMO) technology, photonic mm-wave generation, and advanced digital signal processing (DSP).

Main Results:

Achieved a total capacity of 400G through simultaneous transmission of 2 × 112 Gb/s (PDM-16QAM at 37.5 GHz) and 2 × 108 Gb/s (PDM-QPSK at 100 GHz) signals.
Demonstrated wireless delivery distances of 1.5 m (37.5 GHz) and 0.7 m (100 GHz).
Maintained bit error ratios (BERs) below the pre-forward-error-correction (pre-FEC) threshold of 3.8 × 10⁻³ for both signals.

Conclusions:

This work represents the first demonstration of a 400G optical wireless integration system in mm-wave bands.
The system achieved a new capacity record for wireless data delivery.
The results highlight the potential of optical wireless integration for future high-speed communication networks.