Coordinated Transmission in Multi-Passive Optical Network (PON) Systems

A method implemented by an optical line terminal (OLT), the method comprising:

• exchanging wavelength-division multiplexing (WDM) communications between first optical network units (ONUs) of a first kind and second ONUs of a second kind to enable transmission by the first ONUs and the second ONUs in different wavelength bands;
• performing identification of interfering first ONUs and susceptible second ONUs;
• and
• generating, based on the identification, a schedule of coordinated transmission of the first ONUs and the second ONUs to reduce interference between the first ONUs and the second ONUs.

A non-transitory computer-readable medium storing computer instructions implementing an optical line terminal (OLT), that configure at least one processor, upon execution of the computer instructions, to perform the following steps:

• exchange wavelength-division multiplexing (WDM) communications between first optical network units (ONUs) of a first kind and second ONUs of a second kind to enable transmission by the first ONUs and the second ONUs in different wavelength bands;
• perform identification of interfering first ONUs and susceptible second ONUs;
• and
• generate, based on the identification, a schedule of coordinated transmission of the first ONUs and the second ONUs to reduce interference between the first ONUs and the second ONUs.