| 摘要 |
<p>The present invention discloses a method and device for wavelength label transmission. The method comprises: packaging wavelength label information as a wavelength label information frame and encoding the wavelength label information frame; determining the low-frequency dither modulation frequency of the wavelength label according to the wavelength channel of the wavelength label information frame, modulating the encoded wavelength label information frame to the low-frequency dither modulation frequency, and sending the encoded wavelength label information frame through the wavelength channel; splitting a received optical signal, and performing the photovoltaic conversion and analog-to-digital conversion on one path of the optical signal; performing spectrum analysis on the converted optical signal , and obtaining the frequency value of the low-frequency dither frequency of the optical signal and the bit information carried by the optical signal; decoding the bit information, obtaining the wavelength label information frame, and thereby obtaining the wavelength label information. According to the present invention, fewer low-frequency dither frequencies are utilized to realize the modulation for a wavelength label signal, information, such as a wavelength signal source address, is sent by data frames carried by the wavelength label, and a check bit is used for timely detecting the situation of transmission errors of the wavelength label.</p> |
