| 摘要 |
<p>This invention discloses a method for signal processing, a central station, a base station and a network system. The method includes the following steps: a subcarrier signal carrying communication data is multiplexed; and the multiplexed subcarrier signal is transmitted. Wherein the multiplexing processing comprises single subcarrier multiplexing, a combination of subcarrier multiplexing and optical wavelength division multiplexing, and a combination of subcarrier multiplexing and optical add drop multiplexing. Only downlink carrier is multiplexed during optical wavelength division multiplexing, or downlink carrier and uplink carrier can be multiplexed simultaneously. Through the embodiment of this invention, the capacity of the optical fiber wireless system can be improved.</p> |
