SIGNAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND SIGNAL TRANSMISSION METHOD
In a signal transmission system including: one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows; and an optical transmission device that transmits a signal transmitted between the first communication devices and a second communication device, each of the first communication devices includes a communication control unit that performs scheduling of time and frequency for each of the traffic flows and transmits scheduling result information indicating a result of the scheduling and traffic flow information indicating a state of the traffic flows in a wireless section to the optical transmission device, and the optical transmission device includes an optical transmission control unit that allocates a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information transmitted from the communication control unit.
1 . A signal transmission system comprising: one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows; and an optical transmission device that transmits a signal transmitted between the first communication devices and a second communication device,
wherein each of the first communication devices includes
a communication control unit that performs scheduling of time and frequency for each of the traffic flows and transmits scheduling result information indicating a result of the scheduling and traffic flow information indicating a state of the traffic flows in a wireless section to the optical transmission device, and
the optical transmission device includes
an optical transmission control unit that allocates a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information transmitted from the communication control unit.
2 . A signal transmission system comprising: one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows; an optical transmission device that transmits a signal transmitted between the first communication devices and a second communication device; and a controller that controls the optical transmission device,
wherein each of the first communication devices includes
a communication control unit that performs scheduling of time and frequency for each of the traffic flows and transmits scheduling result information indicating a result of the scheduling and traffic flow information indicating a state of the traffic flows in a wireless section to the optical transmission device,
the controller includes
an optical transmission control unit that allocates a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information transmitted from the communication control unit, and
the second communication device includes
a control execution unit that controls communication in the wired section according to allocation of the wavelength by the optical transmission control unit.
3 . The signal transmission system according to claim 1 or 2 ,
wherein the optical transmission control unit allocates the wavelength only to the traffic flow to which the frequency is allocated in the wireless section by the scheduling.
4 . The signal transmission system according to claim 1 or 2 ,
wherein the traffic flow information includes an identifier for identifying the wireless terminal, an identifier for identifying the traffic flow, an identifier for identifying a class of quality of service, an identifier for identifying a network slice, a slot ID, a symbol ID, a resource block ID, or a layer number of MIMO.
5 . An optical transmission device that transmits a signal transmitted between one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows and a second communication device, the optical transmission device comprising
an optical transmission control unit that allocates a wavelength in a wired section to each of the traffic flows for each time section on a basis of scheduling result information indicating a result of scheduling of time and frequency for each of the traffic flows and traffic flow information indicating a state of the traffic flows in a wireless section.
6 . A signal transmission method by a signal transmission system including: one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows; and an optical transmission device that transmits a signal transmitted between the first communication devices and a second communication device, the signal transmission method comprising:
a communication control step of, by each of the first communication devices, performing scheduling of time and frequency for each of the traffic flows and transmitting scheduling result information indicating a result of the scheduling and traffic flow information indicating a state of the traffic flows in a wireless section to the optical transmission device; and
an optical transmission control step of, by the optical transmission device, allocating a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information transmitted by the communication control step.
7 . A signal transmission method by a signal transmission system including: one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows; an optical transmission device that transmits a signal transmitted between the first communication devices and a second communication device; and a controller that controls the optical transmission device, the signal transmission method comprising:
a communication control step of, by each of the first communication devices, performing scheduling of time and frequency for each of the traffic flows and transmitting scheduling result information indicating a result of the scheduling and traffic flow information indicating a state of the traffic flows in a wireless section to the optical transmission device;
an optical transmission control step of, by the controller, allocating a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information transmitted by the communication control step; and
a control execution step of, by the second communication device, controlling communication in the wired section according to allocation of the wavelength in the optical transmission control step.
8 . A signal transmission method by an optical transmission device that transmits a signal transmitted between one or more first communication devices that accommodate one or more wireless terminals that transmit a plurality of traffic flows and a second communication device, the signal transmission method comprising:
an acquisition step of acquiring scheduling result information indicating a result of scheduling of time and frequency for each of the traffic flows and traffic flow information indicating a state of the traffic flows in a wireless section; and
an optical transmission control step of allocating a wavelength in a wired section to each of the traffic flows for each time section on a basis of the scheduling result information and the traffic flow information acquired by the acquisition step.