Abstract: According to an example aspect of the present invention, there is provided an apparatus (110) comprising at least one processing core, at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processing core, cause the apparatus at least to receive, from a first cell (120), an indication of a measurement configuration valid for at least one neighbour cell (130) of the first cell (120), and perform at least one measurement in accordance with the measurement configuration responsive to a radio link failure of a radio link (112) over which the apparatus is communicating.

Abstract: Monitoring for preventative maintenance using Simple Network Management Protocol (SNMP) polling suitable for a large scale network is realized. A controller of the present invention for use in a system that monitors a plurality of monitored apparatuses by SNMP polling includes a request duplication unit that duplicates an SNMP request from an operator terminal, and a request transmission unit that transmits the duplicated SNMP requests to the monitored apparatuses all at once. The controller includes a response calculation unit that calculates an operator response value from a response value of the monitored apparatus which is retained in an apparatus information database (DB) according to a monitoring policy retained in a monitoring policy DB.

Abstract: Embodiments of the present disclosure provide a method of processing radio link failure, a user terminal and a network device. The method includes: recording radio link failure information of a radio link failure that occurs in the user terminal; when the user terminal enters a connected state or an inactive state in a current cell, reporting the radio link failure information to a network device.

Abstract: In one embodiment, a device obtains, from a plurality of routers in a network, a set of routing patches that collectively specify a first set of paths in the network, a second set of paths in the network, and time periods during which traffic is to be rerouted from one of the first set of paths to one of the second set of paths in the network. The device identifies overlapping path segments of the second set of paths in the network. The device makes, based in part on the overlapping path segments, a prediction that two or more of the set of routing patches will cause congestion along paths with overlapping path segments. The device adjusts, based on the prediction, the set of routing patches, to avoid causing the congestion.

Abstract: A base station may transmit, to a user equipment (UE), an indication of parameters (e.g., thresholds) for radio link monitoring (RLM). The UE may monitor active beam pairs in accordance with the indication. In some cases, the UE may configure or may be configured (e.g., by a base station) to transmit reference signals for triggering an RLM operation based on the monitored beam pairs. After triggering, the base station may perform an RLM operation with the UE. Additionally or alternatively, a base station may configure a UE with a beam monitoring configuration that enables uplink beam monitoring. The configuration may indicate one or more active beam pairs for uplink transmissions from the UE, and the base station may perform an RLM operation on the indicated beam pairs. Based on RLM operations (e.g., joint uplink and downlink beam monitoring), beam pairs may be reestablished or newly established.

Abstract: Techniques for generating a network topology are provided. For example, a method comprises: sending, at an edge node of a network, first exploration data to a first node of the network. The method also comprises receiving from the first node first feedback information for the first exploration data. The first feedback information includes identity information of the first node and first associated node list information, and the first associated node list information includes identity information of nodes associated with the first node in the network. In addition, the method comprises: determining latency between the first node and the second node based on the first latency information and the second latency information. Then, the method further comprises updating the network topology based on the latency between the first node and the second node. Through the method, the present disclosure can provide accurate data support for path optimization.

Abstract: A method for operating a control unit in a network of control units, including the following features: a request to change a mode of the network is received, the request is subjected to a check, which provides a check result; a communication is disseminated to the remaining control units and a response is received in each case with respect to the check result and to a status of the network known to the control unit; and the request is complied with or rejected as a function of the responses.

Abstract: A random access failure processing method includes: determining a cell and a carrier used to send a preamble for random access when the preamble is sent to a base station a number of times greater than a preset number; and transmitting, under a case where the cell used to send the preamble is a primary cell configured with an SUL carrier and a non-SUL carrier, a message indicating presence of problems in the random access to the base station through the SUL carrier if the carrier used to send the preamble is the non-SUL carrier.

Abstract: A test system for testing a device under test is described. The test system includes a testing module and the device under test. The testing module is configured to establish a wireless connection with the device under test based on a wireless communication standard having a low energy protocol. The wireless connection includes a control channel and at least one test channel. The control channel is configured to transmit at least one control message between the testing module and the device under test. The at least one test channel is configured to transmit data packages between the testing module and the device under test, wherein an RF level of the control channel is higher than an RF level of the at least one test channel. Further, a testing method for testing a device under test is described.

Abstract: Apparatuses, methods, and systems are disclosed for suspending services in a first network while attached to a second network. One apparatus includes a processor and a transceiver configured to communicate with either a first mobile communication network or a second mobile communication network. The processor uses a first service in the first mobile communication network and determines to suspend the first service in order to use a second service in the second mobile communication network. The transceiver sends a first mobility management message indicating that a first registration and the first service are to be suspended and receives a second message as reply to the first MM message, said second message indicating that the first registration and the first service are successfully suspended. The processor uses the second service in the second core network without using the first service.

Abstract: Monitoring for preventative maintenance using Simple Network Management Protocol (SNMP) polling suitable for a large scale network is realized. A controller of the present invention for use in a system that monitors a plurality of monitored apparatuses by SNMP polling includes a request duplication unit that duplicates an SNMP request from an operator terminal, and a request transmission unit that transmits the duplicated SNMP requests to the monitored apparatuses all at once. The controller includes a response calculation unit that calculates an operator response value from a response value of the monitored apparatus which is retained in an apparatus information database (DB) according to a monitoring policy retained in a monitoring policy DB.

Abstract: The present disclosure relates to a mobile terminal, a base station, an operating method for a mobile terminal and an operating method for a base station.

Abstract: Wireless communications are described. Cells may be grouped into a plurality of cell groups. A wireless device may determine that a secondary cell has an invalid scheduling request (SR) resource based on one or more conditions. The wireless device may send a preamble if the secondary cell has an invalid SR resource.

Abstract: A technique may include receiving, from an external applications controller, by a mobile edge computing applications manager provided on a mobile edge computing server that is in proximity to a radio access network, a mobile edge computing application criteria that includes management rules for managing at least a portion of a lifecycle of a mobile edge computing application; and storing the mobile edge computing application criteria. In an example embodiment, a technique may further include managing at least a portion of a lifecycle of the mobile edge computing application based on the mobile edge computing application criteria.

Abstract: A computer implemented method of network monitoring and control. The method includes receiving alerts related to monitored devices; analyzing the alerts to identify a first alert related to a first monitored device; automatically performing at least one predefined action for the first monitored device based on the first alert; and after a first predefined period of time, checking whether the first alert has reappeared and responsively taking a further action.

Abstract: A media access control layer architecture, a method for transmitting data, a network-side device and a terminal are provided. The media access control layer architecture of the network-side device includes: a common scheduling function unit; at least one dedicated scheduling function unit, each dedicated scheduling function unit corresponding to a bearer set including one or more bearers; and more than one multiplexing and retransmission function unit, each multiplexing and retransmission function unit corresponding to one terminal.

Abstract: Various example embodiments for supporting network path reliability are presented. Various example embodiments for supporting network path reliability may be configured to support network path reliability for a set of network paths of an end user. Various example embodiments for supporting network path reliability may be configured to support network path reliability for a set of network paths associated to form a single logical connection for an end user based on use of hybrid access technology and multipath technology. In at least some example embodiments, support for network path reliability may include supporting one or more network path testing types (e.g., network path reachability testing, network path performance testing, or the like, as well as various combinations thereof) in hybrid access based on multipath technology.

Abstract: A method for dynamic link selection that comprises providing at least two wireless links between one or more network nodes and a wireless device. The at least two wireless links associated with at least two different radio access technologies. The method additionally includes obtaining control data to be sent to a first network node of the one or more network nodes. The control data is associated with a first radio access technology. The method additionally includes selecting one or more wireless links from among the at least two wireless links. The one or more links selected based on a first selection parameter. The one or more selected wireless links are to be used for the transmission of the control data to the first network node. The one or more selected wireless links comprise at least a first wireless link associated with a second radio access technology.

Abstract: A system for detecting a disruption in a communication system of a vehicle. The system includes a vehicle bus and an electronic processor. The electronic processor is configured to receive a message, from a vehicle bus. The message has a format and a plurality of signals. The electronic processor is configured to detect anomalies in a bus identifier, the message format, a time the message is received, and a signal parameter of a signal of the plurality of signals. The electronic processor is also configured to generate an error if an anomaly is detected in the message format, an anomaly is detected in the time the message is received, or an anomaly is detected in the signal parameter of the signal of the plurality of signals.

Abstract: A method for calibrating crystal frequency offset through a radio frequency signal includes, in Step S1, a radio frequency port of a device is connected to one end of a radio frequency cable through a copper pipe connector and the other end of the radio frequency cable is connected to a Wireless Local Area Network (WLAN) tester which is connected with a control terminal. In Step S2, a user controls the WLAN tester to test the radio frequency signal of the device through the control terminal to obtain a test result, and determines whether a deviation of the radio frequency signal is qualified. If it is qualified, the user exits the test, otherwise the user regulates the crystal circuit of the device under test, and returns to Step S2. The method may not be affected by a probe, thus the measurement may be more accurate.

Abstract: The transmission of a recessive bit in a CAN message from a transmitting electronic control unit (ECU) is detected, over a controller area network. A dominant pulse is injected onto the network after a delay time into the detected recessive bit. Behavior of the transmitting ECU is detected, and a sample point for the transmitting ECU is characterized based upon the detected ECU behavior. An action signal is generated based upon the characterized sample point.

Abstract: Some embodiments of this disclosure include apparatuses and methods for implementing a queuing latency aware buffer status report (BSR). For example, some embodiments relate to an electronic device including a transceiver and one or more processors communicatively coupled to the transceiver. The one or more processors determine an amount of data queued in a buffer for transmission over the wireless network and determine latency information associated with the queued data. The one or more processors generate a queuing latency aware buffer status report (BSR) based at least on the determined latency information. The electronic device transmits the queuing latency aware BSR to an access point.

Abstract: A communication device, processing device or method constructs M RLC PDUs including M RLC SDUs, respectively, where M is larger than 1; submits, for a transmission opportunity, only L RLC PDUs for L RLC SDUs with lowest L SNs among the M RLC PDUs to a MAC layer, where L<M and the L RLC PDUs include a first RLC PDU having a poll to trigger status reporting at a receiving device; transmits the L RLC PDUs to the receiving device; constructs a second RLC PDU including a second RLC SDU having a highest SN among SNs of RLC SDUs submitted to the MAC layer, when the poll retransmission timer started upon submitting the first RLC PDU having the poll expires and no new RLC SDU or RLC SDU segment can be transmitted.

Abstract: A method, an information handling system (IHS) and a memory mirroring system for operating a mirrored memory. The method includes detecting, via a memory controller, at least one uncorrectable data error (UCDE) in a first memory device. In response to detecting the at least one UCDE, a UCDE event counter is retrieved that tracks the number of UCDE events that have occurred and a UCDE event threshold is retrieved corresponding to a maximum number of allowed UCDE events. The method further includes determining if the UCDE event counter is greater than the UCDE event threshold and in response to determining that the UCDE event counter is not greater than the UCDE event threshold, continuing writing of data to the first memory device via a first memory channel and continuing writing of the data to a second memory device via a second memory channel to create a mirror of the data.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may autonomously initiate a handover procedure and select a target base station for the handover procedure. The UE may measure a signal from the source base station or the target base station, or both, and the UE may determine whether specific criteria at both base stations are within a pre-configured range. If the criteria at both base stations are within the pre-configured range, the UE may identify the target base station as a potential candidate for a handover. Accordingly, when the UE determines that radio conditions with the source base station are deteriorating (or fall below a threshold), the UE may initiate a handover to the target base station autonomously and without specific direction from the source base station.

Abstract: A test instrument can be coupled to a test point and measure signals in the network. The test instrument may determine whether the test instrument is connected to a cable of the network and provide notification if the test instrument is not connected to a cable. The test instrument may also detect when it is connected to a customer premises that has been previously been tested through reflected signal signatures.

Abstract: Primary protection relays and an integrator disclosed for providing primary protection and secondary applications for an electric power delivery system. The primary protection relays obtain signals from, and provide primary protection operations for the power system, and may operate independently from the integrator. An integrator receives signals and status communications from the primary protection relays to perform secondary applications for the electric power delivery system. The secondary applications may include backup protection, system protection, interconnected protection, and automation functions.

Abstract: According to some embodiments, a method performed by a first software defined wide area network (SD-WAN) edge router communicably coupled to a public network comprises: receiving a transport location (TLOC)-extension configuration for a known interface of the first edge router; detecting a second edge router attempting to connect to the known interface of the first edge router; and transmitting, to the second edge router, configuration information for the second edge router so that the second edge router is able to communicate with the public network through a TLOC-extension with the first edge router. In some embodiments, the second edge router receives device configuration information (e.g., PnP, ZTP, etc.) from the public network via the TLOC-extension.

Abstract: A method and device for operating a network component and a control instance in a software-defined networking communication infrastructure. The software-defined networking communication infrastructure is switched from an operation according to a first strategy for forwarding time-critical data streams in network components of the communication infrastructure to an operation according to a second strategy for forwarding time-critical data streams in network components as a function of at least one trigger signal, the at least one trigger signal being received in an operation according to the first strategy from a control instance in a unicast message or in a broadcast message.

Abstract: Test entity for verifying user equipment (UE) device layer 2 sustained downlink maximum data rate decoding performance may send a non-access stratum message to the UE device that requests activation of a downlink-only test mode, sending a first Packet Data Convergence Protocol (PDCP) status request to the UE device, send downlink PDCP packets to the UE device during a measurement interval, receive a physical layer (PHY) hybrid acknowledge request (HARQ) acknowledgement (ACK) or non-acknowledgement (NACK) from the UE device and determine expected missed layer 1 packets based on the received PHY HARQ ACK/NACK, send a second PDCP status request to the UE device after the measurement interval, receive a PDCP status report from the UE device, and determine missed layer 2 packets from a First Missing Count (FMC) value or bitmap included in the received PDCP status report.

Abstract: In one embodiment, a service detects that an event of a particular event type has occurred in a software-defined wide area network (SD-WAN). The service activates, in response to detecting the occurrence of the event, a machine learning model to assess telemetry data regarding a first tunnel in the SD-WAN. The service predicts a failure of the first tunnel, based on the assessment of the telemetry data regarding the first tunnel by the machine learning model. The service proactively reroutes at least a subset of traffic on the first tunnel onto a second tunnel in the SD-WAN, in advance of the predicted failure of the first tunnel.

Abstract: A method and apparatus for identification of control information for sidelink management in a wireless communication system is provide. A first wireless device (e.g., a first user equipment (UE)) receives control information including at least one identifier (ID) associated with a link, and determines one of in-sync indication or out-of-sync indication based on a receiving quality of the control information.

Abstract: Embodiments are presented herein of apparatuses, systems, and methods for a user equipment (UE) device to adaptively enhance the quality of service (QoS) configuration of a bearer of communications conducted over a cellular network between a UE application and a server. The UE may use various information, including a QoS profile associated with the application, to determine requested QoS parameters and/or whether the UE is permitted to request or access enhanced QoS functionality. The UE may then send a request to the cellular network indicating the requested QoS parameters, and the network may adjust the QoS configuration of the bearer in response. The UE and the network may perform routine QoS measurements and exchange information in order to adaptively maintain and optimize the QoS configuration. These techniques may tend to provide more appropriate QoS to the application, which may improve user experience.

Abstract: A base station may communicate with a wireless device via a primary control channel group and a secondary control channel group. Deactivation of a state of a control channel secondary cell, of the secondary control channel group, may cause the wireless device to alter usage of the secondary control channel group.

Abstract: A radio device configures a radio connection between the radio device and a cellular network. The radio connection is registered for a cell area comprising at least a first cell and a second cell of the cellular network. Before a decision of the radio device to perform a change from the first cell to the second cell, the radio device determines a configuration which enables performing allocation of radio resources to the radio device via a control channel of the second cell. After the change of the radio device from the first cell to the second cell, the radio device resumes transmission on the radio connection by requesting allocation of radio resources of second cell based on the determined configuration.

Abstract: Telemetry systems and methods are provided in which data is streamed from to a remote location based on predicate affirmation of pre-established conditions of a system. In one embodiment, a network device comprises a processing device and a memory device configured to store logic instructions. When executed, the logic instructions are configured to cause the processing device to obtain a first set of one or more data elements indicative of one or more conditions of a network in which the network device operates. Also, the logic instructions are configured to cause the processing device to monitor the first set of one or more data elements to determine if a predefined predicate is affirmed and execute a response action when the predefined predicate is affirmed.

Abstract: A method of telecommunication between a base station and user equipment. The method includes: identifying disjoint lists of pilots, namely a first for initial uplink transmissions and a second for uplink retransmissions, and defining a first mapping between the pilots of the two lists.

Abstract: The present invention relates to a wireless communication system and a method and a device for transmitting uplink data packet based on QoS framework in wireless communication system, the method comprising: receiving uplink (UL) packet with a first QoS flow ID from an upper layer; checking whether the first QoS flow ID is prohibited or not based on QoS flow prohibition information; and determining whether to transmit the UL packet according to result of checking; wherein the UL packet of the first QoS flow ID is not transmitted if the first QoS flow ID is prohibited; and wherein the UL packet with the first QoS flow ID is transmitted to a network via a DRB, if the first QoS flow is not prohibited. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, a base station or a network.

Abstract: Examples provide a network component, a network switch, a central office, a base station, a data storage element, a method, an apparatus, a computer program, a machine readable storage, and a machine readable medium. A network component (10) is configured to manage data consistency among two or more data storage elements (20, 30) in a network (40). The network component (10) comprises one or more interfaces (12) configured to register information on the two or more data storage elements (20, 30) comprising the data, information on a temporal range for the data consistency, and information on one or more address spaces at the two or more data storage elements (20, 30) to address the data.

Abstract: Methods, computer program products, and systems are presented. The methods include, for instance: a gateway stack that includes a master, a backup, and at least one slave amongst nodes of the GS based on an election pursuant to a gateway stack protocol. The gateway stack provides gateway services for a Network Virtualization over Layer 3 (NVO3) network in a fail-safe manner by utilizing all of the nodes in the gateway stack. A data interface between the gateway stack and a switch is aggregated to evenly distribute inbound packets amongst the nodes of the gateway stack.

Abstract: The present technology discloses methods, systems, and non-transitory computer-readable media for receiving, by a relying node in an optical transport network environment, attestation information in a trail trace identifier of an optical unit from an attester node in the optical transport network environment; verifying a trustworthiness of the attester node by identifying a level of trust of the attester node from the attestation information; and controlling network service access of the attester node through the relying node in the network environment based on the level of trust of the attester node identified from the attestation information.

Abstract: A method and device for retransmission processing are provided. The method includes that: a transmission side transmits a detection indication to a receiving side, the detection indication being used to indicate the receiving side to feed back a receiving state of multiple Acknowledged Mode Data (AMD) Protocol Data Units (PDU) sent by the transmission side; the transmission side receives a state report sent by the receiving side, the state report being used to indicate a receiving state of at least one AMD PDU in the multiple AMD PDUs; and if a Sequence Number (SN) of a first AMD PDU of the at least one AMD PDU is equal to a first value, the transmission side stops transmitting the detection indication for the multiple AMD PDUs to the receiving side, the first value being less than or equal to a maximum SN in the SNs of the multiple AMD PDUs. The method and device of the embodiments of the present application are advantageous in reducing unnecessary overhead.

Abstract: Methods, non-transitory computer readable media, anomaly detection apparatuses, and network traffic management systems that generate, based on the application of one or more models and for a first flow associated with a received first set of network traffic, one or more likelihood scores and at least one flow score based on the likelihood scores. One or more of the one or more models are associated with one or more browsing patterns for a web application to which the first set of network traffic is directed. A determination is made when the flow score exceeds a threshold. A mitigation action is initiated, based on a stored policy, with respect to the first set of network traffic, when the determining indicates that the flow score exceeds the established threshold.

Abstract: In some examples, a system identifies, for a given authentication event between a plurality of devices in a network, a context comprising a set of authentication events that are temporally related to the given authentication event. The set of authentication events occur at the devices. A classifier is applied on a collection of features associated with the set of authentication events, the collection of features comprising a number of machines or a number of users associated with the set of authentication events. The system determines, based on an output of the classifier, whether the given authentication event is an unauthorized authentication event.

Abstract: Various embodiments are described herein to track and/or update the state of components within a network element. One embodiment provides for a network management system comprising a collector node including an ingest gateway to receive configuration and status data of a set of network elements coupled to the collector node via the network, the collector node further to store the configuration and status data from the set of network elements in a distributed database; a search engine to locate and retrieve the configuration and status data of a specified subset of the network elements at a specified time period; and an interface server to receive a request for the configuration and status data from an external requester, the interface server to facilitate provision of the configuration and status data in response to the request.

Abstract: A method for determining a signal status of a terminal, comprising: when determining that data transmission quality parameters acquired in n first periods fall within a first range, determining, by a terminal device, that a signal status in a network access mode is on a first level; and then when determining that data transmission quality parameters acquired in m second periods after the n first periods fall within a first hysteresis range, keeping the signal status on the first level.

Abstract: Embodiments of this application provide a service survivability analysis method and apparatus, and relate to the field of communications technologies, so as to shorten duration of service survivability analysis and improve efficiency of the service survivability analysis. The method includes: obtaining a link fault record and network topology information that are in a preset time period; determining a similarity between any two links in all faulty links based on fault occurrence time and fault removal time of the any two links in the link fault record and connection information of network devices on the any two links, to obtain a link similarity matrix; performing clustering on all the faulty links based on the link similarity matrix, to obtain at least one link cluster; and performing survivability analysis on services on at least two preset links based on each of the at least one link cluster.

Abstract: Systems and methods for displaying a localization of one or more anomalies in a fiber optic network are provided. In one implementation, a system includes a processing device and a memory device. The memory device is configured to store an anomaly localization module having logic instructions, which, when executed, cause the processing device to display, on a Graphical User Interface (GUI), Network Elements (NEs) and physical fiber plant links of a fiber optic network on a generalized geographical map. Responsive to a user selection, the logic instructions are further configured to cause the processing device to display, on the GUI, a physical fiber plant map based on obtained geographical coordinates of components associated with the fiber optic network.

Abstract: A radio terminal (3) can perform carrier aggregation using a first cell (10) of a first radio station (1) and a second cell (20) of a second radio station (2). The first radio station (1) performs, with the radio terminal (3), radio resource control for the first cell (10) and the second cell (20) in order to perform the carrier aggregation. At least one of the second radio station (2) and the radio terminal (3) is configured to transmit, to the first radio station (10), information about a problem occurring in a radio link in the second cell (20) between the second radio station (20) and the radio terminal (30) while the carrier aggregation of the first cell (10) and the second cell (20) is being performed.

Abstract: Information is communicated indicating whether a cell on a first carrier of a first type is to be used as a reference cell, wherein the reference cell is at least one selected from among a pathloss reference cell and a timing reference cell, and wherein the first carrier of the first type is part of a carrier aggregation that further includes at least a second carrier of a second, different type.