Correcting traffic misconnections in optical communications networks
Granted: June 27, 2023
Patent Number:
11689282
An example system includes a transceiver and a microcontroller. The microcontroller is configured to receive, from first and second network interfaces of the transceiver, a plurality of messages from a hub node and the leaf nodes. Each of the messages corresponds to a respective one of the ingress or egress data flows. The microcontroller is also configured generate a resource assignment map based on the messages. The resource assignment map includes pairings between a respective one of…
Streaming and config for event driven microservice architecture for embedded services
Granted: June 20, 2023
Patent Number:
11683227
A network element is herein disclosed. The network element comprises an embedded device having one or more property affecting a function of the embedded device and one or more status; a first computing system having a first processor and a first memory, the first memory being a first non-transitory computer-readable medium storing a device microservice and a hardware entity microservice, the hardware entity microservice in communication with the embedded device; a second computing system…
Proactive optical spectrum defragmentation scheme
Granted: June 6, 2023
Patent Number:
11671195
A system comprising a hub transceiver coupled to a first network node; and a plurality of edge transceivers, each configured to be communicatively coupled to a respective second network node, and to the hub transceiver, wherein the hub transceiver is operable to transmit a first message to each of the edge transceivers, the first message comprising an indication of available optical subcarriers and availability to use multiple non-contiguous optical subcarriers; receive, a service…
Methods and apparatus for power efficient design of forward error correction for optical communication systems
Granted: May 9, 2023
Patent Number:
11646753
Consistent with a further aspect of the present disclosure, previously encoded data is stored in a memory, and an encoder accesses both input data and previously encoded data to generate new encoded data or a new codeword. Each codeword is stored in a row of the memory, and with each newly generated codeword, each previously stored code word is shifted to an adjacent row of the memory. In one example, the memory is delineated as a plurality of blocks including rows and columns of bits.…
Methods and apparatus for power efficient design of forward error correction for optical communication systems
Granted: May 9, 2023
Patent Number:
11646753
Consistent with a further aspect of the present disclosure, previously encoded data is stored in a memory, and an encoder accesses both input data and previously encoded data to generate new encoded data or a new codeword. Each codeword is stored in a row of the memory, and with each newly generated codeword, each previously stored code word is shifted to an adjacent row of the memory. In one example, the memory is delineated as a plurality of blocks including rows and columns of bits.…
Frequency division multiple access optical subcarriers
Granted: April 25, 2023
Patent Number:
11637630
A network or system in which a hub or primary node may communicate with a plurality of leaf or secondary nodes. The hub node may operate or have a capacity greater than that of the leaf nodes. Accordingly, relatively inexpensive leaf nodes may be deployed to receive data carrying optical signals from, and supply data carrying optical signals to, the hub node. One or more connections may couple each leaf node to the hub node, whereby each connection may include one or more spans or…
Communication module engagement
Granted: April 11, 2023
Patent Number:
11624880
An optical transceiver having a locking assembly that prevents undesirable movement of the optical transceiver when engaged with another device is described. The locking assembly includes a slide with a projection, lift, and weighted stops. In a first configuration, the slide and weighted stops can sustain contact between a thermal interface material of the optical transceiver and the other device while locking the optical transceiver to prevent movement. In a second configuration mode,…
Data synchronization in optical networks and devices
Granted: March 14, 2023
Patent Number:
11606150
Joint estimation of the framer index and the frequency offset in an optical communication system are described among various other features. A transmitter can transmit data frames using pilot and framer symbols. A receiver can estimate the framer index and frequency offset using the pilot and framer symbols, and identify the beginning of a header portion of a data frame. By identifying the beginning of the header portion of a data frame, the receiver can synchronize, with less error, the…
Out-of-band communication channel for sub-carrier-based optical communication systems
Granted: February 14, 2023
Patent Number:
11581950
Techniques are described for implementing an out-of-band communication channel used to exchange control channel information in sub-carrier-based optical communication systems. In an example implementation, an optical communication system includes a primary transceiver, a component, and secondary transceivers. The primary transceiver is operable to supply first optical subcarriers to an optical communication path, the first optical subcarriers being amplitude modulated at a first…
Optical subcarrier dual-path protection and restoration for optical communications networks
Granted: January 31, 2023
Patent Number:
11569915
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications network, and transmitting first information and second information to the second device. The first information is indicative of the data, and is transmitted using a first communications link of the optical communications network and using a first subset of…
Efficient adaptive optical spectrum partitioning and allocation scheme
Granted: January 24, 2023
Patent Number:
11563507
A system comprising a hub transceiver and edge transceivers is described. The hub transceiver is coupled to a first network node via an optical communications network. Each of the edge transceivers is coupled to a respective second network node, and to the hub transceiver. The hub transceiver is operable to form one or more logical partition of optical subcarriers in an optical signal based on connection types. Each logical partition has a first partition boundary, a second partition…
Optical subcarrier dual-path protection and restoration for optical communications networks
Granted: January 24, 2023
Patent Number:
11563498
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications network, and transmitting first information and second information to the second device. The first information is indicative of the data, and is transmitted using a first communications link of the optical communications network and using a first subset of…
Optical modules with virtual transport functions
Granted: January 24, 2023
Patent Number:
11563495
Systems, devices, and techniques relating to optical communications are described. A described hub optical module includes an optical transceiver configured to communicate with edge optical modules of respective edge devices via an optical communication network, the edge optical modules comprising edge interfaces; and a controller coupled with the optical transceiver. The controller can be configured to provide, to a hub device, hub interfaces which are configurable to respectively…
Efficient adaptive optical spectrum partitioning and allocation scheme
Granted: January 24, 2023
Patent Number:
11563507
A system comprising a hub transceiver and edge transceivers is described. The hub transceiver is coupled to a first network node via an optical communications network. Each of the edge transceivers is coupled to a respective second network node, and to the hub transceiver. The hub transceiver is operable to form one or more logical partition of optical subcarriers in an optical signal based on connection types. Each logical partition has a first partition boundary, a second partition…
Optical subcarrier dual-path protection and restoration for optical communications networks
Granted: January 24, 2023
Patent Number:
11563498
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications network, and transmitting first information and second information to the second device. The first information is indicative of the data, and is transmitted using a first communications link of the optical communications network and using a first subset of…
Optical modules with virtual transport functions
Granted: January 24, 2023
Patent Number:
11563495
Systems, devices, and techniques relating to optical communications are described. A described hub optical module includes an optical transceiver configured to communicate with edge optical modules of respective edge devices via an optical communication network, the edge optical modules comprising edge interfaces; and a controller coupled with the optical transceiver. The controller can be configured to provide, to a hub device, hub interfaces which are configurable to respectively…
Code division multiple access optical subcarriers
Granted: December 27, 2022
Patent Number:
11539430
Consistent the present disclosure, a network or system is provided in which a hub or primary node may communication with a plurality of leaf or secondary nodes. The hub node may operate or have a capacity that may be greater than that of the leaf nodes. Accordingly, relatively inexpensive leaf nodes may be deployed that receive data carrying optical signals from and supply data carrying optical signals to the hub node. One or more connections may couple each leaf node to the hub node,…
System and method of use of extensible network element software agents for state and network verifications in packet or optical transport networks
Granted: December 27, 2022
Patent Number:
11539585
Methods for, and network elements in, packet or optical transport networks are disclosed, including a network element comprising non-transitory computer readable medium storing computer-executable instructions configured as one or more software agents that when executed with computer hardware: determine a state of the network element, comprising comparing a current state of transient properties of the network element against a predetermined, expected state of the transient properties of…
Subcarrier based adaptive equalization of electrical filtering effects on sub-carrier multiplexed signals
Granted: December 27, 2022
Patent Number:
11539447
Consistent with the present disclosure, the above-described subcarrier noise, which may be characterized as a linear filtering effect, may be reduced or eliminated by providing a first multiple-input multiple output (MIMO) circuits at the transmit end of an optical link and providing a second MIMO circuit at the receive end of the optical link. The first MIMO may include a first plurality of filters, each of which may include a finite-impulse response (FIR) filter having variable…
Optical subcarrier dual-path protection and restoration for optical communications networks
Granted: December 27, 2022
Patent Number:
11539443
An example system includes a first network device having first circuitry. The first network device is configured to perform operations including receiving data to be transmitted to a second network device over an optical communications network, and transmitting first information and second information to the second device. The first information is indicative of the data, and is transmitted using a first communications link of the optical communications network and using a first subset of…
