Full optical subcarrier demodulator and method of millimeter wave optical fiber radio uplink |
Title： |
| Full optical subcarrier demodulator and method of millimeter wave optical fiber radio uplink |
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Application Number： |
200710175781 |
Application Date： |
2007/10/12 |
Announcement Date： |
2008/03/05 |
Pub. Date： |
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Publication Number： |
101136705 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04B 10/12, H04J 14/02, H04L 12/28 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Zheng Xiaoping, Song Yiqiao, Li Shangyuan, Zhang Hanyi, Zhou Bingkun |
Key Words： |
Full optical subcarrier, demodulator, millimeter wave optical fiber radio, uplink |
Abstract： |
This invention relates to a full optical sub-carrier demodulation device and a method for mm wave fiber radio up link, in which, this invented demodulation device includes a base station and a central station characterizing that the base station of the mm wave fiber radio up-link includes a laser and a demodulator, the central station includes an optical filter and an optical process module, the optical demodulation module includes an optical detector and a low-pass filter device for 2ASK modulation signals, and the optical demodulation module includes one-bit difference time delay module, photoelectric converting device and a low-pass filter to side band of the DPSK modulation signal, avoiding using HF signal generator, HF broadband mixer, HF broadband merger and filters in the generation and transmission of mm wave signals. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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