Abstract
A duplex radio-over-fiber (RoF) link with a novel scheme to generate 60-GHz millimeter (mm)-wave using 20 GHz double sideband (DSB) optical mm-wave with signal carried only by its optical carrier is investigated. In the RoF downlink, the modulation frequency to generate the DSB optical mm-wave is reduced greatly. The theoretical analysis and numerical simulation show that this scheme cannot only eliminate the code form distortion caused by the time shifting of the sidebands, but also reduce the influence of the fading effect as the DSB optical mm-wave signal is transmitted along the fiber. Based on the scheme, the duplex RoF link with the frequency up- (down-) conversion of the down- (up-) link mm-wave signal is built and the uplink transmission performance is analyzed theoretically.
| Original language | English |
|---|---|
| Pages (from-to) | 125-130 |
| Number of pages | 6 |
| Journal | Optical Fiber Technology |
| Volume | 15 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Mar 2009 |
| Externally published | Yes |
Keywords
- Double-sideband (DSB) modulation
- Duplex link
- Fading effect
- Fiber chromatic dispersion
- Optical millimeter (mm)-wave
- Radio-over-fiber (RoF)
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