Six-Port Direct Modulator With Carrier Suppression Technology for High-Speed High-Frequency Wireless Communications
| Autor: | Kun Xu, Jianqiang Li, Xiaoxiong Song, Feifei Yin, Yitang Dai, Yuting Fan, Yue Zhou |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Engineering business.industry Optical link Single-mode optical fiber 020206 networking & telecommunications 02 engineering and technology Condensed Matter Physics 01 natural sciences Optical switch Transmission (telecommunications) Modulation 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Baseband Electronic engineering Radio frequency Electrical and Electronic Engineering business Phase-shift keying |
| Zdroj: | IEEE Microwave and Wireless Components Letters. 27:745-747 |
| ISSN: | 1558-1764 1531-1309 |
| DOI: | 10.1109/lmwc.2017.2723950 |
| Popis: | In this letter, a six-port direct modulator with carrier leakage suppression is proposed and experimentally demonstrated for downlinks in the future high-speed high-carrier-frequency wireless communication systems. To handle high carrier frequencies and provide good performance, GaAs metal–semiconductor field-effect transistor RF switches are used to complete the modulation. Up to 500-MBd quadrature phase shift keying signals at 24 GHz are generated and evaluated in our system. Moreover, the proposed six-port modulator is easy to integrate with the optical link and modulated signals at 24 GHz are evaluated after transmission over up to 20-km standard single mode fiber. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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