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Fault Detection

Fault Detection patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Multiplex Communications


Diagnostic Testing (other Than Synchronization) > Fault Detection



Tcp extended fast recovery and segment timing
02/26/15 - 20150055482 - When in Fast Recovery, Extended Fast Recovery operation starts a timer on the retransmission of each packet. The time expires in one adjusted round trip time. If there has not been an acknowledgement for the retransmitted packet and the Extended Fast Recovery timer expires, it is assumed that the retransmitted...

Method and apparatus for controlling resource of cloud virtual base station
02/26/15 - 20150055483 - A method and apparatus for managing a cloud virtual base station system are disclosed. The present invention comprises configuring an initial resource and reconfiguring the resource to add or remove a resource of an execution file of the cloud virtual base station system, monitoring an error of the cloud virtual...

Displaying signal flows in network analysis tool
02/26/15 - 20150055484 - This document discloses a solution for outputting a message sequence chart in a computer apparatus. Messages transferred in a communication network are acquired, wherein the messages are logically divided into control plane messages and data plane messages and each message is associated with its transmission direction. Display of the control...

Method by which terminals in wireless communication systems receive downlink control channels and apparatus for same
02/26/15 - 20150055485 - The present invention relates to a method by which terminals in a wireless communication system receive control channels. More particularly, the method includes the steps of: receiving control information that includes the transmission mode for the control channel and information about the number of antenna ports through a broadcast channel...

Monitoring carrier ethernet networks
02/26/15 - 20150055486 - A Carrier Ethernet network comprises nodes connected by links. The network supports connectionless traffic flows between nodes. A network management system performs a method comprising: determining when an event has occurred in the network which may change bandwidth usage on a link of the network; determining traffic flows which use...

Method and a device for supervising a home wireless system
02/26/15 - 20150055487 - A method and a device for supervising a home wireless system wherein the home wireless system comprises a plurality of peripheral wireless nodes (14; 16; 19; 21; 23), a first gateway (12) having wireless communication means for communicating with and controlling associated peripheral wireless nodes. Other steps are installing at...

Method and device for judging radio link failure in carrier aggregation technology
02/26/15 - 20150055488 - The present invention discloses a method and device for judging Radio Link Failure (RLF) in Carrier Aggregation (CA) technology, which are used to effectively judge whether a radio link is failed or not in CA technology. Said method comprises: on an evaluation point, comparing the determined radio link quality parameter...

All delivered network adaptor
02/26/15 - 20150055489 - Method and device for using or dropping erroneous packets, including the steps of: receiving, by a network adaptor, first and second packets having headers, payloads, error propagation fields, and error detection fields. The error propagation fields indicate reception errors while the error detection fields do not indicate reception errors. Determining...

Mobile communication terminal test system and mobile communication terminal test method
02/12/15 - 20150043356 - Provided is a mobile communication terminal test system that transmits a test signal formed by a plurality of downlink component carriers including a primary component carrier (DL_CC1) and a secondary component carrier (DL_CC2) to a mobile communication terminal to test the mobile communication terminal. The mobile communication terminal test system...

Techniques for radio link problem and recovery detection in a wireless communication system
02/12/15 - 20150043357 - A technique for radio link detection in a wireless communication system includes estimating a first error rate of an indicator channel. In this case, the indicator channel includes an indication of a number of symbols in a control channel. A second error rate of the control channel is also estimated....

Run-length detection and correction
02/12/15 - 20150043358 - System, methods and apparatus are described that facilitate transmission of data, particularly between two devices within electronic equipment. The apparatus may determine whether a run-length violation will occur or is likely to occur if a first sequence of symbols provided by a mapper of an M-Wire N-Phase encoder is transmitted...

Techniques for radio link problem and recovery detection in a wireless communication system
02/12/15 - 20150043359 - A technique for radio link detection in a wireless communication system includes estimating a first error rate of an indicator channel. In this case, the indicator channel includes an indication of a number of symbols in a control channel. A second error rate of the control channel is also estimated....

Method of increasing data throughput of a wireless network system by dynamically adjusting mtu/fragmentation size according to current transmission status
02/05/15 - 20150036511 - In a wireless network system which adopts a multi-layer data transmission structure, a wireless channel is established between a user equipment and a base station. A wireless transmission channel is established between the user equipment and the base station. An MTU/fragmentation size adopted in the wireless transmission channel is set...

Method for reporting radio link failure information
02/05/15 - 20150036512 - The present invention discloses a method for reporting RLF information. By sending the RLF report to an access system to which a cell which lead to a problem belongs to, the present invention can avoid unnecessary impact to other RAT to the maximum, guarantees that a problem of a RAT...

Wearable network topology analyzer
01/29/15 - 20150029868 - Systems, methods, and devices for analyzing a network topology are described herein. For example, one or more embodiments include receiving data from a node in a network of nodes with a wearable network topology analyzer, determining, with the wearable network topology analyzer, a coverage associated with the node in the...

Remote detection and measurement of data signal leakage
01/29/15 - 20150029869 - Disclosed are systems and methods for detecting and locating ingress of an over-the-air signal into a wired communications network. Computing devices located in a plurality of different areas may be configured to identify amplitude of signals transmitted over the wired communications network as it varies by signal frequency. In one...

Wireless communication device that is capable of improving data transmission efficiency, associated network, and method
01/22/15 - 20150023181 - A wireless communication device includes a data transmission and reception section that wirelessly transmits a plurality of test packets; a signal sensing section that senses a power of a spatial radio wave signal on a frequency channel that is the same as the plurality of test packets and outputs sample...

Monitoring of the packet-based communication performance of ip address pools
01/15/15 - 20150016274 - An IP address pool monitor is communicatively coupled to a communication link carrying packets between a mobile wireless communication network and a wide area network. The pool monitor receives requests transmitted by mobile devices over the communication link to the wide area network, and stores a record for each request....

Method and a device for avoiding error detection of control channels
01/15/15 - 20150016275 - In a method for avoiding an error detection of control channels in a mobile-radio device, a transmitter device transmits control signals on control channels which are received and decoded by the mobile-radio device. A control channel contains a bit sequence and a check-value of the bit sequence. In the case...

Reliable link layer for control links between network controllers and switches
01/15/15 - 20150016276 - A method for transmission of control data between a network switch and a switch controller is provided. The method includes: configuring a plurality of control data packets by the switch controller, wherein configuring includes disposing a sequence number in each of the plurality of control data packets indicating an order...

Generation of timing pulses based on acquired synchronization
01/08/15 - 20150009834 - A pulse-per-n-seconds signal may be generated at a wireless communication station to synchronize the internal hardware of the wireless communication station....

Storing network state at a network controller
01/08/15 - 20150009835 - Some embodiments provide a network controller for managing a logical network that spans several physical domains. The network controller is located at a particular one of the several physical domains. The network controller includes a first storage for storing network state information that is local to the particular physical domain....

Mitigating network connection problems using supporting devices
12/25/14 - 20140376385 - An approach for mitigating network connection problems when a first computing device is unable to connect to a remote resource is described. A second computing device receives a request for diagnostic testing over a second network from the first computing device. The second computing device performs diagnostic tests on a...

System for interconnecting devices for creating automation systems
12/25/14 - 20140376386 - The various embodiments provide a system for interconnecting a plurality of devices for budding automation systems. The system comprising on or more sensor units to transmit data along with a sensor device address an a network, one or more actuator units to receive the transmitted data, a monitoring unit to...

Displaying fte cable status as ucn cable status
12/18/14 - 20140369207 - A method of displaying fault tolerant Ethernet (FTE) cable status in a process control system having FTE devices in an Enhanced Universal Control Network (EUCN) including an Enhanced Network Interface Module (ENIM) on a UCN status display. Updated FTE cable status is obtained from each of the FTE devices during...

Quality check identifying source of service issue
12/18/14 - 20140369208 - A quality check of service received by a CPE device within a first customer premise is initiated, and if the results of the quality check indicate a problem with the service received by the CPE device, one or more CPE devices within one or more customer premises sharing upstream network...

Communication device, on-vehicle communication system and inspection method
12/04/14 - 20140355452 - A communication device includes a first resistance connected between a first reference potential and a midway point of one of a pair communication lines connected to a coil, a second resistance and a third resistance arranged in series so as to be connected between a second reference potential different from...

Method and arrangement for fault analysis in a multi-layer network
12/04/14 - 20140355453 - The invention also relates to a network management node for carrying out the method. The node includes a root cause analyzer to detect affected network elements and fault type upon network failure, wherein affected network elements are determined in a spatial localization unit and the fault type is determined in...

Mitigating interference in wireless systems
11/27/14 - 20140348004 - According to one embodiment of the invention, a non-transitory computer readable medium for configuring a noise floor of a network device based on the detection of a non-Wi-Fi signal is described. One embodiment of the non-transitory computer readable medium comprises instructions that detect a non-Wi-Fi signal, determine a noise floor...

Radio communication system, radio terminal, radio network, radio communication method and program
11/27/14 - 20140348005 - A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to...

Lsp ping and traceroute for bypass tunnels
11/20/14 - 20140341046 - A method performed by a network device may include assembling a multiprotocol label switching (MPLS) echo request, the echo request including an instruction for a transit node to forward the echo request via a bypass path associated with the transit node, and an instruction for an egress node to send...

High speed embedded protocol for distributed control systems
11/13/14 - 20140334314 - A control network communication arrangement includes a second protocol embedded into a first protocol in a way that modules supporting the second protocol may be aware of and utilize the first protocol whereas modules supporting only the first protocol may not be aware of the second protocol. Operation of modules...

Network connectivity management in wireless apparatus
11/06/14 - 20140328187 - A method, apparatus, and computer program for managing network connectivity are disclosed. After successfully establishing a radio connection with an access point, a wireless apparatus using the radio connection to access a network beyond the access point is configured to carry out a network connection test. If the network connection...

Apparatus for controlling modulation and coding scheme depending on communication speed
10/30/14 - 20140321292 - A base station performs wireless communication with a first apparatus, and performs wired communication with a second apparatus. When a first communication speed corresponding to a wireless quality of the wireless communication is higher than a second communication speed of the wired communication, the base station changes a currently set...

Method and apparatus for performing retransmission operation in device to device communication system
10/30/14 - 20140321293 - A method for performing by a mobile station (MS) a retransmission operation in a device to device (D2D) communication system is provided. The method includes performing a data communication with a peer MS using a D2D communication, receiving feedback information for a retransmission operation for data which is transmitted to...

Wireless apparatus, baseband processing apparatus, and communication method
10/23/14 - 20140313906 - A wireless apparatus includes a wireless unit to convert a wireless signal received by an antenna into a baseband signal; and a baseband processing apparatus to receive a packet corresponding to the baseband signal via a communication line connected with the wireless unit, to detect an error in a transmission...

Method and apparatus for analyzing cause of link failure
10/23/14 - 20140313907 - A method and apparatus for analyzing cause of link failure, includes: receiving, by a base station where the user equipment is present when a link failure is observed by the user equipment, identification information transmitted by other base stations or the user equipment, the identification information including: identification associated with...

Apparatus and methods of processing a protocol data unit
10/16/14 - 20140307563 - Methods and apparatus for processing data received at a user equipment comprises determining a protocol data unit (PDU)-specific Layer 1 decoding metric of a Layer 1 decoded PDU. The methods and apparatus further comprises determining whether to perform a Layer 2 decoding of the Layer 1 decoded PDU based on...

Bidirectional forwarding detection bfd session negotiation method, device, and system
10/16/14 - 20140307564 - The present invention relates to a BFD session negotiation method. The BFD session negotiation method includes: generating a first discriminator value, where the first discriminator value is unique in a local area network to which a local device belongs; generating a first BFD control packet, where the first BFD control...

Communication device, control method of communication device, and program
10/09/14 - 20140301211 - A communication procedure for providing or receiving communication parameters can be performed by an easy operation even between devices having both a base station function and a slave station function. A communication device of the present invention determines a role of a device when performing a predetermined communication procedure for...

Wireless transmission device, failure-information forwarding method, and failure-information notification method
10/09/14 - 20140301212 - A wireless transmission device houses a plurality of wireless transmission channels including a first and a second wireless transmission channel. The wireless transmission device includes: a wireless signal transmitting and receiving unit that includes a first wireless port and a second port, the first wireless port transmitting and receiving a...

Method and apparatus for measuring end-to-end service level agreement in service provider network
10/02/14 - 20140293799 - An operation method and apparatus in a first end device of a service provider network is provided. The method includes generating a measurement frame including information supporting simultaneous measurement of a plurality of Service Level Agreement (SLA) metrics, sending the generated measurement frame to a second end device connected through...

Apparatus and method for radio link monitoring in a wireless communication system
09/25/14 - 20140286176 - An apparatus and method for radio link monitoring in a wireless communication system are provided, in which a transmission point communicating with a network where a Base Station (BS) and at least one Remote Radio Head (RRH) coexist within a cell receives Reference Signal Configuration Information (RSCI) from the network...

Wireless signal interference mitigation in a network
09/18/14 - 20140269341 - A transmitter device transmits data over a physical communication link to at least one destination. A monitor resource monitors a frequency band of signals on the physical communication link. At least a portion of the monitored frequency band in the physical communication link used to transmit the data is also...

Scalable infiniband interconnect performance and diagnostic tool
09/18/14 - 20140269342 - In accordance with some implementations, a method for evaluating large scale computer systems based on performance is disclosed. A large scale, distributed memory computer system receives topology data, wherein the topology data describes the connections between the plurality of switches and lists the nodes associated with each switch. Based on...

Information processing system, information processing device, data transfer device, and information processing system control method
09/18/14 - 20140269343 - A processing system includes a first processing device and a switch device. The first processing device includes a first transmitter configured to transmit a plurality of packets, and a controller configured to acquire first time information indicating a first time at which the transmitting of the plurality of packets started....

Node device, communication method, storage medium, and network system
09/18/14 - 20140269344 - Anode device includes a transmitter and a processor. The transmitter transmits an inspection frame used in inspecting a status of a route from a source node device to a destination node device. The processor generates a first inspection frame and selects a first node device to which the transmitter transmits...

Method and system for network troubleshooting and improving kpi of mobile data network
09/18/14 - 20140269345 - A mechanism to allow operators to automatically populate a knowledgebase with protocol characteristics of each mobile device type. In case a mobile device fails to complete signaling dialogue, it logs the messages exchanged till the point the failure occurred. On such failure it triggers a notification so that network operator...

Method, system, and apparatus for node status detection in distributed system
09/18/14 - 20140269346 - Embodiments of the disclosure disclose a method, a system, and an apparatus for node status detection in a distributed system. The method includes: sending to each of multiple tested nodes a sequence of detection elements in order, and receiving responses returned from the multiple tested nodes in response to the...

Network implementation of spectrum analysis
09/11/14 - 20140254392 - Access devices may receive signals over a network and calculate a frequency spectrum of the received signals. An analyzer system may collect the frequency spectrum data from multiple access devices, and based on the collected data, detect, identify, and locate sources of anomalies in a communication network....

Method and apparatus for reporting pdcp status
09/11/14 - 20140254393 - A method and apparatus for method for reporting a Packet Data Convergence Protocol (PDCP) status are provided. A wireless device sets up a radio bearer that does not perform retransmission at a Radio Link Control (RLC) layer and transmit a PDCP status report for the radio bearer to a base...

Connectivity management and diagnostics for cellular data devcies
08/28/14 - 20140241169 - A cellular network device comprises a data network indicator and an automatic network reconfiguration module. A data network indicator provides an indication when data network connectivity associated with a cellular network does not meet performance or configuration criteria. An automatic network reconfiguration module automatically reconfigures network data connectivity in the...

Method and system of diagnosing a video condition experienced at a customer premises
08/28/14 - 20140241170 - A test controller can be operable to diagnose a video condition experienced at a customer premises. The test controller can include a port coupled to the customer premises. The test controller can also include a processor operable to activate a diagnosis sequence, send a set of questions to equipment at...

Apparatus and method for adaptive channel transmission using channel state
08/28/14 - 20140241171 - The present invention relates to an apparatus and method for adaptive channel transmission using a channel state, and according to one embodiment of the present invention, a method for channel transmission of a remote node includes intermittently receiving a forward channel transmitted from a host node, estimating a reverse channel...

Energy-efficient wireless communications via feedback
08/21/14 - 20140233395 - Methods and apparatus, including computer program products, are provided for energy efficient communication based on feedback. A method may include sending a first message carried by a first wireless radio channel at a first predetermined energy level; receiving, in response to the first message, a second message carried by a...

Method and apparatus for monitoring for a radio link failure
08/21/14 - 20140233396 - Methods and apparatus are described for monitoring for a radio link failure in a long term evolution-advanced (LTE-A) system operated with carrier aggregation. The methods include criteria for determining radio link failure, recovery events, and the actions that a wireless transmit/receive unit (WTRU) may take upon the occurrence of such...

Close proximity communication device and methods
08/21/14 - 20140233397 - Disclosed herein are methods and systems for receiving an encoded data packet, one or more activation commands, and a communication identifier, decoding the received data packet, validating the decoded received data packet, and executing one or more routines associated with the respective one or more activation commands....

Multi-hop routing protocol
08/21/14 - 20140233398 - Disclosed is a method for calculating a route for a transfer of data between a source node and a destination node via at least one intermediate node in a network comprising a plurality of nodes, which, for a current node of said route, comprises a set of nodes adjacent to...

Access terminal adaptation of handover parameter
08/14/14 - 20140226493 - An access terminal adapts (e.g., self-optimizes) at least one handover parameter used by the access terminal for determining whether and/or how to handover from one access point to another access point. In addition, the access terminal uses different handover parameters for handover between different pairs of access points. For each...

Apparatus and method for providing service quality information in an electronic device
08/14/14 - 20140226494 - A method for displaying state information about a service provided to an external output device through short-range wireless communication in an electronic device includes the operations of transmitting image data to an external output device, determining the occurrence or non-occurrence of an error in transmitting the image data, and displaying...

Technique for determining correlated events in a communication system
08/07/14 - 20140219107 - A technique for determining a correlation among events occurring in one or more network elements is provided. The correlation among the events results from a propagation of a root event through communication entities of the one or more network elements. In a method implementation the technique comprises the step of...

Method and apparatus for improved data communication in cellular access systems
08/07/14 - 20140219108 - A method for use in a cellular access system is disclosed. The system comprises at least one Radio Base Station (RBS) and a User Equipment (UE), which can send and receive data blocks to and from each other, comprising sequence numbers. The method, performed by a reporting party, comprises sending...

Method for downlink jammer detection and avoidance in long-term evolution (lte) networks
07/24/14 - 20140204766 - A method for handling a jamming signal in a wireless network includes obtaining network measurement data on a wireless network performance, the network measurement data collected by a wireless network element. A first performance information on the wireless network performance is derived based on the network measurement data obtained. The...

Alarm method for multi-mode base station, multi-mode base station, and communication system
07/24/14 - 20140204767 - The present invention provides an alarm method for a multi-mode base station. The method includes generating, by the multi-mode base station, alarm information in a first operation mode in a first multi-mode operation mode. The multi-mode base station determines that the alarm information is applicable to all operation modes in...

Cost-effective mobile connectivity protocols
07/03/14 - 20140185457 - Structures and protocols are presented for signaling a status or decision concerning a wireless service or device within a region to a network participant or other communication device (smartphone or motor vehicle, e.g.)....

Method for managing error in multicast or broadcast transmission and apparatus thereof
07/03/14 - 20140185458 - Disclosed are a method of managing an error in wireless transmission, and an apparatus thereof, and more particularly, a method of managing an error in multicast or broadcast transmission, and an apparatus thereof. The method of managing an error in multicast or broadcast transmission disclosed in the present invention includes:...

Troubleshooting method and apparatus
07/03/14 - 20140185459 - A troubleshooting method includes sending a forward detection message to at least one node on a path to be detected. The forward detection message carries information about a forward path to be detected and information about a backward path to be detected. Faults are detected according to a backward detection...

Network-transmission inspection device and network-transmission inspection method
06/26/14 - 20140177453 - The present invention discloses a network-transmission inspection method, applied to a network-transmission inspection device, including: connecting a network-connection module with a base station through a network by a network-communication device; checking whether the number of RX packets received by the network-connection module from the base station has increased at a...

Method of facilitating testing of multiple time-division-duplex (tdd) data packet signal transceivers
06/19/14 - 20140169181 - Method and system for facilitating testing of multiple time-division-duplex (TDD) data packet signal transceivers. Replicas of a data packet signal are transmitted by a tester to multiple TDD devices under test (DUTs), where the replicated signal is either a null or TDD data packet signal. In one embodiment, replica null...

Customer edge device problem identification
06/12/14 - 20140160942 - Systems, methods, and machine-readable and executable instructions are provided for customer edge device problem identification. Customer edge device problem identification can include obtaining a status of a connection between a provider edge (PE) device and a customer edge (CE) device. Customer edge device problem identification can also include determining whether...

Method and apparatus for remotely locating wireless network fault
05/29/14 - 20140146687 - The present invention applies to the communications field and provides a method and an apparatus for remotely locating a wireless network fault. The method includes: collecting a running parameter of a wireless network on a terminal side; and sending the collected running parameter of the wireless network on the terminal...