Abstract: A software defined networking (SDN) controller for a communication network is provided. The SDN controller includes a northbound interface, a southbound interface, and a database as a service (DBaaS) layer. The northbound interface includes an application layer having one or more independent SDN applications. The southbound interface includes an adapter layer having one or more independent device adapters. The DBaaS layer includes a persistent DBaaS unit and a state DBaaS unit.

Abstract: An interface device for communicatively coupling a first communication medium and a second communication medium includes a radio frequency (RF) processor and a frequency shifting subsystem. The RF processor is configured to receive a first data signal from the first communication medium and convert the first data signal to a plurality of first internal RF signals having a common center frequency. The frequency shifting subsystem is configured to shift the plurality of first internal RF signals having the common center frequency to respective first external RF signals having different respective center frequencies, for transmission on the second communication medium. The second communication medium may be a coaxial electrical cable.

Abstract: A method for automatic power and modulation management in a communication network includes (1) generating a management function of (a) mutual information per symbol (MIPS) of the communication network and (b) output power (P) of a transmitter of the communication network, determining a selected MIPS value and a selected P value which achieve a maximum value of the management function, and causing the transmitter of the communication network to operate according to the selected MIPS value and the selected P value.

Abstract: A method for laser chirp precompensation includes modulating an amplitude of an optical signal, in response to an amplitude of one of (i) a chirp-compensated signal generated via distortion of an original modulated signal according to an inverse of a chirp-response function of a laser and (ii) a first signal derived from the chirp-compensated signal, to yield an amplitude-modulated optical signal. The method also includes modulating a phase of the amplitude-modulated optical signal in response to a phase of one of (i) the chirp-compensated signal and (ii) a second signal derived from the chirp-compensated signal to yield a chirp-compensated optical signal.

Abstract: Steering clients between access points (APs) or other sources of wireless signaling is contemplated. The client steering may be used to supplant or augment roaming capabilities of the clients with independent steering decisions made at the APs such as by utilizing information shared between the APs to generate a steering threshold for use in assessing whether clients should be steered from one AP to another.

Abstract: Wireless access network selection is contemplated. The selection process may include arbitrating use of a plurality of wireless networks according to their performance capabilities. The performance capabilities or parameters may be identified from information broadcasted from the wireless networks. Mobile devices capable of wirelessly connecting to the networks may identify the performance capabilities prior to connecting to the wireless networks, thereby enabling the mobile devices to more efficiently identify suitable networks.

Abstract: A wireless communication network includes a plurality of first electronic devices configured for wireless communication, at least one second electronic device configured for wireless communication, and at least one access point configured to wirelessly receive client data from, and transmit network data to, the plurality of first electronic devices and the at least one second electronic device. The wireless communication network further includes a virtual private wireless communication sub-network that includes the plurality of first electronic devices and excludes the at least one second electronic device. The virtual private wireless communication sub-network is configured to enable each of the plurality of first electronic devices to automatically connect with the wireless communication network.

Abstract: A skew compensation system for a coherent optical communication network includes a transmitter modulator having a first driver input for receiving a first signal from a first channel, a second driver input for receiving a second signal from a second channel, a source input for receiving a continuous wave source signal, and a modulation output in communication with an optical transport medium of the network. The system further includes a tunable delay line disposed between the second channel and the second driver input for inserting a pre-determined training sequence onto the second signal prior to the second driver input, and a processor for determining a skew amount between the second signal at the second driver input and the first signal at the first driver input, calculating a pre-compensation value corresponding to the skew amount, and reducing the skew amount at the modulation output according to the pre-compensation value.

Abstract: An optical network communication system utilizes a passive optical network (PON) and includes an optical line terminal (OLT) having a downstream transmitter and an upstream receiver, and an optical network unit (ONU) having a downstream receiver and an upstream transmitter. The downstream transmitter is configured to provide a coherent downlink transmission, and the downstream receiver is configured to obtain one or more downstream parameters from the coherent downlink transmission. The system further includes a long fiber configured to carry the coherent downlink transmission between the OLT and the ONU. The ONU is configured to communicate to the OLT a first upstream ranging request message, the OLT is configured to communicate to the ONU a first downstream acknowledgement in response to the upstream first ranging request message, and the ONU is configured to communicate to the OLT a second upstream ranging request message based on the first downstream acknowledgement.

Abstract: A method is provided for calibrating a terminal device connected to a transmission line containing an impairment. The method includes steps of obtaining a sequence of frequency domain samples for a digital signal transmitted to the terminal device, determining a reflection coefficient from the obtained frequency domain sequence and a reflection signal arising from the impairment, converting the sequence of frequency domain samples and the frequency domain reflection signal into the time domain to generate a complex time domain sample sequence having a real I time component and an imaginary Q time component, correcting the time domain sample sequence into a corrected time sequence having a phase value of the Q component corresponding to a phase value of the I component, calculating a correcting spin coefficient from the corrected time sequence, and calibrating the terminal device with the correcting spin coefficient to mitigate a rotation of the reflection coefficient.

Abstract: A wireless access network includes a first access point having a first coverage area, and a second access point having a second coverage area. A portion of the second coverage area overlaps with the first coverage area in an overlapping region. The network further includes a central controller in operable communication with the first and second access points, and a single station device located within the overlapping region. The single station device is configured to connect with the first and second access points. The central controller is configured to (i) control downlink data transmission from the first and second access points, and (ii) implement a scheduling protocol for the downlink data transmission, such that the single station device receives at least a first portion of the downlink data transmission from the first access point and a second portion of the downlink data transmission from the second access point.

Abstract: An ecosystem for monitoring the status of a consumable good is provided. The ecosystem includes an identification registry configured to (i) store identifying information regarding a consumer, and (ii) associate the stored identifying information with a unique cryptographic consumer identifier. The ecosystem further includes a transaction registry configured to (i) receive a fulfillment order for a consumable good, and (ii) generate a unique cryptographic transaction identifier for fulfillment of the fulfillment order. The ecosystem further includes a fulfillment computer subsystem configured to (i) receive the fulfillment order, (ii) verify the consumer identifier, and (iii) validate the transaction identifier. The ecosystem further includes a distributed ledger configured to encode transaction details relating to the fulfillment order.

Abstract: A system for monitoring the security of a connected Internet of Things (IoT) device is provided. The system includes a network doppelgänger (ND) computer device. The ND computer device is in communication with the IoT device and a service provider computer device associated with the IoT device. The ND computer device is programmed to store a plurality of policies associated with the service provider computer device. The ND computer device is also programmed to receive a communication from the IoT device addressed to the service provider computer device. The ND computer device is further programmed to analyze the communication in view of the plurality of policies to determine whether the communication is approved. If the communication is approved, the ND computer device is programmed to route the communication to the service provider computer device.

Abstract: Management of throughput, link rate, airtime, access, collision probability and other factors influencing performance of a wireless access point configured to wirelessly support two or more networks over the same radio channel and/or antenna is contemplated. The management may be suitable for use with access points operating according to a Distributed Coordination Function (DCF) based on Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) whereby each device desiring airtime executes a random binary backoff procedure or other suitable contention based process before attempting to access the channel.

Abstract: A base station for a wireless communications system operating in an unlicensed target band of a wireless medium includes a receiver configured to wirelessly (i) receive non-cooperative carrier data within the target band from a user equipment, and (ii) detect an operation of at least one spread spectrum channel within the target band. The station further includes a transmitter configured to wirelessly send non-cooperative carrier data within the target band to the user equipment, a memory configured to store computer-executable instructions, and a processor configured to (i) execute the computer-executable instructions, (ii) determine, based on the detection operation of the receiver, at least one sequence of the at least one spread spectrum channel, and (iii) perform at least one corrective action to mitigate interference between the transmitter and an operation of the at least one spread spectrum channel based on the determination of the at least one sequence.

Abstract: A digital asset security device, includes an asset capture unit configured to electronically capture a digital asset, a processor configured to digitally sign the captured asset, a memory configured to store a digitally signed asset from the processor, and a hashing module in communication the asset capture unit, the processor, and the memory, and configured to provide a cryptographic hash to one or more of the captured asset and the digitally signed asset.

Abstract: A system and method for optimizing the end-to-end latency transfer rates over an air interface employing a Multi-hop Relays (MHR). The present system and method provides fast signaling process when no Downlink/Uplink Bandwidth allocation changes are employed, thereby bypassing PHY/MAC/IP Stack processing. The solution is intended for the new generation of 5G millimeter band multi-hop relays.

Abstract: Assessing signaling characteristics for wireless receivers after being deployed within a service area is contemplated. The wireless receivers may be assessed for purposes of optimizing signaling interactions according to measurements generated during normal operating conditions and/or as a function of actual usage as opposed to estimates or other approximations generated prior to deployment.

Abstract: A method for transmitting data through a multi-media communication network includes converting transmission entities into data symbols at a first communication device, transmitting the data symbols from the first communication device to a second communication device through at least two different types of communication media using only lower PHY layers of the at least two different types of communication media, and converting the data symbols into transmission entities at the second communication device.

Abstract: A full duplex communication network includes an optical transmitter end having a first coherent optics transceiver, an optical receiver end having a second coherent optics transceiver, and an optical transport medium operably coupling the first coherent optics transceiver to the second coherent optics transceiver. The first coherent optics transceiver is configured to (i) transmit a downstream optical signal at a first wavelength, and (ii) simultaneously receive an upstream optical signal at a second wavelength. The second coherent optics transceiver is configured to (i) receive the downstream optical signal, and (ii) simultaneously transmit the upstream optical signal. The first wavelength has a first center frequency separated from a second center frequency of the second wavelength.