Abstract: Method and system for capturing signals in accordance with allocated resources. One method includes receiving, from a server by a network interface of a first communication device located in a cell, identification information of a second communication device located in the cell. The method further includes receiving, from a base station by the network interface of the first communication device, a resource allocation message destined for the second communication device. The resource allocation message indicates a resource allocation for the second communication device on an uplink channel of the base station. The method further includes decoding, by an electronic processor of the first communication device, the resource allocation message using the identification information of the second communication device. The method further includes capturing, by the network interface of the first communication device, signals based on the resource allocation for the second communication device.

Abstract: Various example embodiments for supporting reliability of an overlay are presented herein. Various example embodiments for supporting reliability of an overlay may support reliable delivery of overlay packets. Various example embodiments for supporting reliable delivery of overlay packets may support reliable delivery of overlay packets of a label switching protocol. Various example embodiments for supporting reliability of an overlay may support reliable delivery of overlay packets based on a reliable transport layer. The reliable transport layer may be provided using a reliable transport layer protocol. The reliable transport layer protocol may be a connection-oriented protocol, may be configured to support flow control, may be configured to support congestion control, or the like.

Abstract: A system for managing media content data sets loaded onto a content server has a media content repository storing media content data items. A usage data aggregator retrieves usage log data from each passenger terminal device of the vehicle entertainment system. A load set generator builds a ranked media content data set based upon prioritization scores assigned to each of the media content data items with adaptive inferences from the usage log data. The prioritization scores are correlated with trip factors established for a subsequent vehicle trip for which the ranked media content data set is being built. A content retriever transfers the one or more media content data items specified in the ranked media content data from the media content repository.

Abstract: In one embodiment, a device obtains performance data regarding failures of a tunnel in a network. The device generates a failure profile for the tunnel by applying machine learning to the performance data regarding the failures of the tunnel. The device determines, based on the failure profile for the tunnel, whether the tunnel exhibits failure flapping behavior. The device adjusts one or more Bidirectional Forwarding Detection (BFD) probing timers used to detect failures of the tunnel, based on the determination as to whether the tunnel exhibits failure flapping behavior.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. A user equipment (UE) may receive, via a control channel in a primary cell, one or more downlink control information (DCI) messages that include a secondary cell (SCell) dormancy indication and a request for hybrid automatic repeat request (HARQ) feedback. The DCI messages may have a format associated with downlink scheduling, and fields used to carry the SCell dormancy indication and the request for HARQ feedback may have a configuration that depends on whether the DCI messages are used to schedule a downlink data transmission. Furthermore, in some aspects, a DCI message may include a field that has a value to indicate whether the DCI message does or does not schedule a downlink data transmission, to enable the UE to correctly receive and decode the SCell dormancy indication and the request for HARQ feedback.

Abstract: The subject disclosure relates to a computer-implemented method for reducing access contention in a wireless medium. In some aspects, a method of the technology includes steps for exchanging data packets with multiple client devices in a wireless network, and based on the data exchange, identifying a first device from among the multiple client devices for which one or more higher-layer (e.g., Layer 3 and/or Layer 4) packets are likely to be received. In some aspects, a method of the technology can further include steps for broadcasting a lower-layer (e.g., Layer 2) packet to the plurality of client devices, wherein the lower-layer packet includes an extended duration field to suppress transmission by one or more listening client devices until at least one subsequent higher-layer packet is received from the first device. Systems and machine-readable media are also provided.

Abstract: A method of operation of a compute system comprising: operating a controller area network with a first node including a first error counter and a second node including a second error counter; transmitting a message from the first node to the second node over the controller area network; detecting an error by the first node or the second node; incrementing the first error counter or the second error counter based on whichever the first node or the second node that detected the error; and shutting off an on-board diagnostic port when the first error counter or the second error counter reaches a shut-off threshold.

Abstract: A method of detecting manipulation of data on a Controller Area Network (CAN) bus, and a device performing the method. In an aspect, the method includes detecting manipulation of data on a CAN bus to which the device is connected. The method comprises detecting that bus impedance is below a threshold bus impedance value, detecting whether or not CAN node arbitration currently may occur on the CAN bus upon detecting that the bus impedance is below the threshold bus impedance value, and if not determining that an attempt to manipulate data on the CAN bus has occurred.

Abstract: Embodiments described herein describe a network tester that is configured to perform packet modification at an egress pipeline of a programmable packet engine. A packet stream is received at an egress pipeline of an output port of the programmable packet engine, wherein the output port includes a packet modifier. Packets of the packet stream are modified at the packet modifier. The packet stream including modified packets is transmitted through an egress pipeline of the output port.

Abstract: Method and system for managing the reception of data frames, scheduled statically and periodically, a frame includes a header provided with an identifier (id) of the frame and an index (index) representing the occurrence of the frame in a hyper-period.

Abstract: A method for routing data in a network includes receiving, by a first network node, data to be routed using a first layer protocol to a second network node where the first network node is intermittently connected to the second network node over a link spanning a portion of the network. The first network node determines that the link fails to meet a communications criteria and encapsulates the data using a second layer protocol to produce encapsulated data. The second layer protocol is transparent to the first layer protocol and the encapsulated data includes connectivity instructions to route the encapsulated data to the second network node via a third network node. The second network node and the third network node are in communication across the portion of the network and the first network node is able to transmit the encapsulated data to the third network node.

Abstract: Various communication systems may benefit from appropriate security measures. For example, mobile networks may benefit from the flexible selection of security features. A method can include receiving an attach request. The method can also include sending a response to the request. The response can include information configured to allow selection of a control plane integrity algorithm independently of a user plane integrity algorithm.

Abstract: Signal correction circuitry is described that improves the integrity of data transmitted over a serial data interface without interrupting the communication between the connected devices. The signal correction circuitry includes edge correction circuitry that speeds up the rising and falling edges of the data signal(s). The signal correction circuitry also includes DC compensation circuitry that boosts the level(s) of the data signal(s).

Abstract: A networking system may include a first network such as a private cloud network and a second network such as a public cloud network. The first network may include a switch coupled to a computing resource. To facilitate a robust and flexible inter-network connection, the networking system may include network connector circuitry having a connector endpoint at the first network and a network connector coupling the connector endpoint to a network element at the second network. A controller for the first network may provide control signals and configuration data to the network connector circuitry to form the connection to the second network and may configure the switch to forward external network traffic to and from the connector endpoint via a switch port directly coupled to the connector endpoint.

Abstract: Hierarchical coding architectures and schemes based on multistage concatenated codes are described. For instance, multiple encoder and decoder hierarchies may be implemented along with use of corresponding stages of concatenated codes. The coding scheme generally includes an inner coding scheme (e.g., a polar coding scheme, such as a hybrid polar code or Bose Chaudhuri and Hocquenghem (BCH) code), an outer coding scheme (e.g., a Reed-Solomon (RS) coding scheme), and one or more middle coding schemes. The inner coding scheme is based on a polarization transformation (e.g., polar codes with cyclic redundancy check (CRC) codes, polar codes with dynamic freezing codes, polarization-adjusted convolutional (PAC) codes, etc.) which allows for embedding parity data from an outer code inside a codeword along with the user data. The outer coding scheme has a similar concatenated structure (e.g., of an inner RS code with an outer RS code).

Abstract: Systems, apparatuses, and methods may provide for robust and autonomous provisioning of routing nodes and/or server stacks within a network. For instance, each routing node and/or server stack may perform self-discovery (e.g., determines its own identity and where it has been placed in the network), and determine its role (e.g., how to route packets) within the network.

Abstract: Some embodiments of the invention provide a method for detecting and remediating anomalies in an SD-WAN that includes a controller, an enterprise datacenter, and multiple branch sites each having at least one edge node that includes a set of packet processing stages. At the controller, the method receives from a particular node of a particular branch site a flow notification indicating detection of an anomaly on the particular node. Based on the anomaly, the method dynamically generates trace monitoring rules that specify one or more flows to be traced and provides the trace monitoring rules to the particular node and at least one other node of another branch site. From the particular node and the at least one other node, the method receives trace monitoring results collected in response to the provided trace monitoring rules, and analyzes the results to identify any anomalies and dynamic actions to correct the anomalies.

Abstract: Provided are a method and a device for receiving information indicating the type of a signaling radio bearer (SRB) in a wireless communication system. A user equipment (UE): receives a first radio resource control (RRC) message including information indicating the type of SRB on which a second RRC message, which is a message corresponding to the first RRC message, is to be transmitted; and transmits the second RRC message via the type of SRB indicated by the information indicating the type of SRB. Accordingly, the type of bearer on which a first message is received and the type of bearer on which a second message is transmitted in a single RRC procedure may be identical or mutually different.

Abstract: In a method for adapting a mobile network, a terminal is connected to a first access node of the mobile network via a first connection and to a second access node via a second connection. The first access node controls a data transmission for the terminal and the second access node assists in the data transmission for the terminal. The method comprises determining whether a quality of at least one of the first connection and the second connection is degraded, acquiring quality degradation information about the degradation of the quality of at least one of the first connection and the second connection based on the step of determining, and adapting the mobile network based on the step of acquiring.

Abstract: A method and system for increasing the collection of network traffic data in a network based on the occurrence of predetermined criteria. A network appliance manages network traffic in the network and passes data traffic on the network. Network traffic data is collected based on the data traffic passing through the network appliance at a normal level. It is determined whether the network traffic data indicates an abnormal condition. The collection of network traffic data is increased through the network traffic appliance when an abnormal condition is detected. The network traffic data from the increased collection is stored in a memory device.

Abstract: A method for software-based emulation of media access control security (MACsec) includes generating, using a software-based emulated MACsec packet generator, a plurality of emulated MACsec packets, each of the emulated MACsec packets including a MACsec header having a packet number field value that remains fixed across the emulated MACsec packets. The method further includes configuring a device under test to accept plural MACsec packets with the same MACsec packet number field value. The method further includes transmitting the emulated MACsec packets to the device under test (DUT). The method further includes determining whether the DUT responds correctly to the emulated MACsec packets given a replay protection configuration of the DUT. The method further includes generating test output based on a result of the determination.

Abstract: Apparatus and methods for interworking a user device in one or more wireless networks. In one embodiment, the apparatus and methods provide enhanced wireless services which enable operation of a given user device (e.g., a mobile 3GPP-compliant UE) within two or more mobile networks (e.g., PLMNs), such as a macro network and micro network. In one implementation, the UE contains multiple SIM cards to enable connection to different networks simultaneously. Accordingly, the UE can roam between two different networks seamlessly, regardless of whether the operators of each are independent or the same operator. Enhanced network capability as described herein advantageously allows for interworking between the macro and micro (e.g., small-cell) layers of the system without complicated network configuration requirements between the two operating networks as required under the prior art.

Abstract: A method is performed by a node configured to implement an Operation, Administration, and Maintenance (OAM) protocol for rapid link failure detection. The node receives peer OAM packets sent by a peer node over a link at a peer periodic interval. While in a first mode of the OAM protocol, the node determines whether the peer node is reachable based on the peer OAM packets, sends OAM packets to the peer node at a periodic interval to indicate to the peer node that the node is reachable, and responsive to detecting a critical condition of the node that impairs the sending the OAM packets, transitions to a second mode of the OAM protocol. While in the second mode, the node adds, to the peer OAM packets, a code to indicate the critical condition, and reflects the peer OAM packets with the code back to the peer node.

Abstract: Systems and methods for logical to physical link mapping in a fiber optic network are provided. In one implementation, a method includes receiving geographic data related to one or more fiber links in a fiber optic network; receiving logical links on the one or more fiber links; receiving results from one or more tests performed on the one or more fiber links; utilizing the results to determine a physical representation of the one or more fiber links; and displaying a network map of the fiber optic network with the physical representation.

Abstract: Techniques for network latency estimation in a computer network are disclosed herein. One example technique includes instructing first and second nodes in the computer network to individually perform traceroute operations along a first round-trip route and a second round-trip route between the first and second nodes. The first round-trip route includes an inbound network path of an existing round-trip route between the first and second nodes and an outbound network path that is a reverse of the inbound network path. The second round-trip route has an outbound network path of the existing round-trip route and an inbound network path that is a reverse of the outbound network path. The example technique further includes upon receiving traceroute information from the additional traceroute operations, determine a latency difference between the inbound and outbound network paths of the existing round-trip route based on the received additional traceroute information.

Abstract: Solutions for balancing speed and risk by managing configuration changes include: receiving a second configuration item for displacement, in an exposure group, of a first configuration item; receiving an exposure state, wherein the exposure state indicates an exposure tree comprising a first configuration item branch and a second configuration item branch; determining, based at least on the exposure state: a first portion of the exposure group to continue with the first configuration item, and a second portion of the exposure group to receive the second configuration item; deploying the second configuration item to the second portion of the exposure group, in accordance with the exposure state; receiving, from the central orchestrator, an updated exposure state; and deploying the second configuration item in accordance with the updated exposure state. In some examples, the exposure tree is a hierarchical binary tree. An exemplary configuration item includes a software application version.

Abstract: The present invention provides a method executed by a user equipment and a user equipment, and the method comprises: receiving a radio resource control (RRC) message; determining, according to one or more information elements (IEs) or a portion of one information element (IE) in the RRC message, indication information related to a control region in a subframe and/or an access to a cell; and performing, according to the indication information, processing related to the access to the cell and/or processing related to resource mapping, so as to make the user equipment speed up cell selection and save power consumption.

Abstract: Systems and methods for providing one or more services to a device are disclosed. The device may be remote from a first network. The one or more services may be associated with the first network.

Abstract: A method is disclosed for out-of-band data communication with a base station in a wireless network, the method comprising: determining, at a base station in a cellular access network, the base station configured to use a coordination server and to a first core network for providing network access to user equipments (UEs), an occurrence of an event regarding a communication problem related to the base station; sending an out-of-band message, via an embedded UE module coupled to the base station attached to a second core network, to the coordination server, based on the occurrence of the event at the base station; updating, at the coordination server, a stored status for the base station, thereby enabling a status of the base station to be updated at the coordination server via an out-of-band message.

Abstract: In some embodiments, a first provider edge (PE) router is coupled to a first customer edge (CE) router; a second CE router; and a second PE router. The second PE router is coupled to the first CE router and the second CE router. The first PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the second PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router. The second PE router is configured with a primary label comprising a primary next hop of the first CE router and a backup next hop of the first PE router and a secondary label comprising a primary next hop of the first CE router and a backup next hop of the second CE router.

Abstract: Some embodiments provide a method for providing redundancy and fast convergence for modules operating in a network. The method configures modules to use a same anycast inner IP address, anycast MAC address, and to associate with a same anycast VTEP IP address. In some embodiments, the modules are operating in an active-active mode and all nodes running modules advertise the anycast VTEP IP addresses with equal local preference. In some embodiments, modules are operating in active-standby mode and the node running the active module advertises the anycast VTEP IP address with higher local preference.

Abstract: A method, a device, and a non-transitory storage medium are described in which a network performance spread service is provided. The service may include generating a dependency graph representative of a network and identifying current or prospective poor performance spread of network elements based on correlations between the network elements and performance data. The service may also include providing remedial services that address the poor performance spread in the network.

Abstract: Routes in an address group are generally resolved according to a next hop resolution profile that applies across the address group. Individual next hop resolution profiles can be defined and associated with specific routes within the address group. Those specific routes are resolved according to their respective associated next hop resolution profiles, thereby bypassing the next hop resolution profile of the address group to provide control over the resolution behavior at the granularity of individual routes within the address group.

Abstract: In one embodiment, a method comprises determining, by a controller device in a low power and lossy network (LLN), that a first LLN border device is in a first personal area network (PAN) having a first directed acyclic graph (DAG) topology, and that the first LLN border device is a neighbor of a second LLN border device in a second PAN of the LLN having a second DAG topology; receiving a path request for a third LLN device in the first PAN to reach a fourth LLN device in the second PAN; and generating an inter-PAN path between the third LLN device and the fourth LLN device via the first and second LLN border devices, the inter-PAN path providing a stitching between the first DAG topology and the second DAG topology.

Abstract: This disclosure describes techniques for configuring and managing scalable global private networks associated with a service provider. Different input mechanisms, such as an API, a UI, or a CLI may be utilized to configure, and manage a global private network that spans across the cloud in different geographic locations and connects to different stand-alone networks. The user may proactively use the input mechanisms to configure and query different network resources to reactively configure settings for reacting to one or more events. The input mechanisms may also be utilized to define the network resources to be modeled within the global private network as well as connections within the global network. A user may configure events/metrics to be monitored, tasks/workflows to be performed, and the like. In some configurations, a network management service (NMS) may perform health monitoring and reachability monitoring to identify possible issues in the global network.

Abstract: A method and system for increasing the collection of network traffic data in a network based on the occurrence of predetermined criteria. A network appliance manages network traffic in the network and passes data traffic on the network. Network traffic data is collected based on the data traffic passing through the network appliance at a normal level. It is determined whether the network traffic data indicates an abnormal condition. The collection of network traffic data is increased through the network traffic appliance when an abnormal condition is detected. The network traffic data from the increased collection is stored in a memory device.

Abstract: A system and method is provided for data over power in an aircraft that includes a direct current power source for providing power over power lines to devices onboard the aircraft and a data injector coupled to the power lines for digitally modulating radio frequency data onto twisted pair data over power lines to provide data and power to the devices. A controller is coupled to the direct current power source and the data injector for providing the data to digitally modulate the radio frequency onto the twisted pair data over power lines such that power for the devices onboard the aircraft and data for control of the device onboard the aircraft are provided to the devices onboard the aircraft over the twisted pair data over power lines.

Abstract: A slave device includes: a serial communications slave having an address designated for performing serial communications with a master; a single address determination pin configured to be, selectively, connected to a power terminal without being connected to a first external resistor, connected to a ground terminal without being connected through a second external resistor, connected to the power terminal through the first external resistor, or connected to the ground terminal through a second external resistor; and an address allocator configured to designate the address of the serial communications slave based on a plurality of state bits determined depending on a connection state of the single address determination pin.

Abstract: A beam management method, performed by a terminal in a communication system, includes receiving a control message including at least one parameter used for beam management from a first base station, performing a monitoring operation on a first beam configured between the first base station and the terminal based on the at least one parameter, detecting a beam problem in the first beam based on the monitoring operation, and in response to determination that the beam problem is detected in the first beam, performing a recovery operation on the first beam.

Abstract: A tool may identify and revert changes that caused network hardware components or hardware servers to malfunction. The tool builds and maintains a graph that represents the hardware components and servers in the system and their dependencies. When a change is made to the system, links and weights in the graph are adjusted to account for the changes. When a component or server is reported as malfunctioning, the tool traverses the graph to locate the changes that are the most likely root causes of the malfunction. The tool may then revert the change to resolve the malfunction.

Abstract: A method and system for increasing the collection of network traffic data in a network based on the occurrence of predetermined criteria. A network appliance manages network traffic in the network and passes data traffic on the network. Network traffic data is collected based on the data traffic passing through the network appliance at a normal level. It is determined whether the network traffic data indicates an abnormal condition. The collection of network traffic data is increased through the network traffic appliance when an abnormal condition is detected. The network traffic data from the increased collection is stored in a memory device.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting device capability information. The method includes operating a device with multiple antenna port groups for communication between the device and a network. The method includes transmitting, by the device, device capability information to the network. The device capability information includes a number of antenna port groups of the multiple antenna port groups, a number of antenna ports for each of the antenna port groups, a maximum number of supported spatial layers for each of the antenna port groups, or some combination thereof.

Abstract: There is provided mechanisms for handling subscription profiles for a set of wireless devices. A method is performed by an MNO entity. The method includes obtaining a single request for handling subscription profiles for the set of wireless devices. The method includes performing, with a profile provisioning server, a preparation procedure for the set of wireless devices wherein a common batch profile handling parameter for the set of wireless devices is created, and whereby the set of wireless devices are associated with at least one matching identifier for tracking actions relating to the handling of the subscription profiles at the MNO entity and the profile provisioning server.

Abstract: A method of determining the presence of a loopback in one or more networks comprises storing information related to a test instance; sending a loopback detection beacon (PLD) containing information related to the test instance from a port on an originating device; monitoring the port for a predetermined time period to detect LPDBs arriving at the port during the predetermined time period; and determining whether a detected LPDB contains information corresponding to the stored information, to detect the presence of a loopback. The method may determine whether a detected loopback is a port loopback, a tunnel loopback or a service loopback. The stored information related to the test instance may be deleted if an LPDB arriving at the port and containing information corresponding to the stored information is not detected within the predetermined time period.

Abstract: Disclosed are techniques for saving power in a Universal Serial Bus (USB) repeater/re-timer between a USB host and a peripheral device by intercepting packets received from the host to predict the direction of data traffic to selectively turn off/on circuitry of a peripheral port used to receive packets from the peripheral device. If a host port determines that the host is sending a start-of-frame (SOF) packet, the direction of data flow is from the host to the peripheral device, and the repeater may turn off the peripheral port such as squelch circuitry. If the host port determines that the host is sending a non-SOF packet, such as an address token that precedes a host-to-peripheral-device data transfer or a peripheral-device-to-host data transfer, the direction of data flow is anticipated to be from the peripheral device to the host, and the repeater may re-enable the deactivated circuitry of the peripheral port.

Abstract: A computer readable network analysis program of performing local modeling analysis of determining an estimated value of a current network quality corresponding to explanatory variable vector in current aggregated data based on a local model including local training data; determining an abnormality in the network based on whether or not a measured value of the current network quality is lower than a threshold; determining whether or not a distribution of the connections having the measured value of the network quality exceeding the threshold is present in a large size; extracting an individual-analysis-target connection group including more than predetermined proportions of connections in the distribution of the connections having the large size; and performing the local modeling analysis to the individual-analysis-target connection group and the remaining connection groups to determine the abnormality in the network.

Abstract: Disclosed are techniques for wireless communication. In an aspect, a packet data convergence protocol (PDCP) entity of a receiver device receives, from a radio link control (RLC) entity of the receiver device, a plurality of RLC data packets received from a transmitter device over an RLC unacknowledged mode (UM) data radio bearer (DRB) or RLC transparent mode (TM) DRB. The PDCP entity generates a plurality of PDCP data packets corresponding to the plurality of RLC data packets. The receiver device determines to send a PDCP status report indicating a reception status at the receiver device of the plurality of PDCP data packets and transmits the PDCP status report to a PDCP entity of the transmitter device. The receiver device receives, in response to sending the PDCP status report, one or more PDCP data packets of the plurality of PDCP data packets that were not successfully received at the receiver device.

Abstract: Various embodiments include methods that may be implementing in a computing system within vehicles for supporting communicating proxy basic safety communications while operating within a platoon of vehicles to control congestion on frequencies used for basic safety communications. In various embodiments, while a vehicle is operating as a designated platoon vehicle, the computing system may generate a proxy basic safety communication including position and dimension information of the platoon as a whole, and broadcast the proxy basic safety communication on behalf of vehicles in the platoon. The proxy basic safety communication may include positions of certain vehicles within and dimensions of the platoon. While in a platoon but not operating as the designated platoon vehicle, the computing system may not broadcast basic safety communications or broadcast such communications at low power.

Abstract: A method for analyzing failures in network resources in a multilayered communication network using passive shared risk resource groups may include, in a processor, identifying network resources in a plurality of network resources having common risk attributes. The network resources may be grouped into one or more passive shared risk resource groups (PSRG) based on the common risk attributes. A likelihood of a PSRG failure may be assessed for each of the one or more PSRGs.

Abstract: A self-organizing device may include a recovery control module which may monitor different events from various different domains, for example from different layers of the software stack, associated with wireless communications of the device. Upon identifying a specific condition based on the monitored information, the device may execute a corresponding auto-recovery mechanism to mitigate adverse effects of the condition experienced by the device. Devices may provide monitored information to servers, e.g. to cloud servers, which may use expert systems to analyze the information collected from multiple devices, for example from globally dispersed devices, and may define mitigation action responses corresponding to specific scenarios or conditions that include device-specific considerations.