Class / Patent application number | Description | Number of patent applications / Date published |
370243000 | Of a repeater system | 21 |
20090147689 | Method, network apparatus and computer readable medium thereof for detecting the defect of the network - Method, network apparatus and computer readable medium thereof for detecting the defect of the network are provided. The network apparatus comprises a controlling module and a relaying module. The controlling module comprises a generating module for generating a plurality of sub-detecting packets; and a first combining module for combining the plurality of sub-detecting module into a detecting packet; the relaying module is for receiving the detecting packet from the controlling module, the relaying module comprises a decomposing module for decomposing the detecting packet into the plurality of sub-detecting packets and transfer the sub-detecting packets to a target host; and a second combining module for receiving a plurality sub-result packets from the target host which are corresponding to the sub-detecting packets, combining the sub-result packets into a result packet and transferring the result packet to the controlling module to complete the detection. | 06-11-2009 |
20100265830 | MONITOR DEVICE AND BROADCAST RADIO WAVE RETRANSMISSION SYSTEM - A monitor device includes a packet communication device, a report data transmitting device, a communication status determination device, and a transmission error history storage device. The report data transmitting device transmits report data for reporting an error of a broadcast radio wave retransmission system to an external monitoring center through the packet communication device. The communication status determination device determines whether or not transmission of the report data is successfully performed by the report data transmitting device. The transmission error history storage device stores an error in the report data transmission, when the communication status determination device determines that an error occurs in transmission of the report data, as a transmission error history in a storage device. | 10-21-2010 |
20110026409 | Method, Devices and System for Local Collision Avoidance for Random Access in Relay Networks - An apparatus such as a user equipment is in an embodiment of the invention configured to broadcast an access request to at least one neighboring node, the access request containing signature information indicating a user identifier, to check whether a collision indicator is received from a relay node, and to send another access request depending on a received collision indicator. The collision indicator may e.g. be a signature collision indicator, received from the node in case of colliding users, or a collision indicator of transmission received when transmissions of access requests are colliding at the node. A relay node may be configured to receive an access request from a user equipment, to detect a collision, and to inform the user equipment on a detected collision, indicating a type of collision. | 02-03-2011 |
20110199913 | MULTICAST SCHEDULING SYSTEMS AND METHODS FOR LEVERAGING COOPERATION GAINS IN RELAY NETWORKS - Methods and systems for transmitting multicast data in a wireless relay network are described. A tradeoff between the benefits of relay cooperation and session multiplexing can be addressed through careful association of relay stations for resource allocation purposes to maximize the total system throughput. In addition, various complex and greedy scheduling procedures that are based on the distributed pet mutation model and the contiguous permutation model are also described. | 08-18-2011 |
20110242992 | Failure-section determining device and failure-section determining method - A failure-section determining device includes a loss determining unit that calculates a receiving-time interval using a receiving time of data and a receiving time of immediately previous data, determines that a loss occurs when the receiving-time interval is a predetermined threshold or higher, and calculates the number of losses using the receiving-time interval and a data sending-time interval; and a determining unit that calculates the number of losses occurring in a first section between a sending device and a relay device, using a serial number of the received packet and a serial number of an immediately previous packet, and calculates the number of losses occurring in a second section between the relay device and a monitoring device, using the number of losses calculated by the loss determining unit and the number of losses occurring in the first section. | 10-06-2011 |
20120026895 | DIRECT LINK RELAY IN A WIRELESS NETWORK - Disclosed herein are exemplary techniques for power conservation in a wireless network. A wireless device identifies another wireless device suitable to act as a relay node. Uplink information is transmitted to the other wireless device, which is in turn relayed to an access point for transmission to its destination. Downlink information may be transmitted directly from the access point to the wireless device. The use of a relay node may reduce transmit power consumption as the relay node may be closer to, or support a higher transmit rate, than the access point with which the wireless device is associated. | 02-02-2012 |
20120182880 | MONITORING APPARATUS, MONITORING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A monitoring apparatus may receive data transmitted from a transmitting source apparatus at predetermined time intervals, via relay apparatuses configured to make a retransmission request depending on a reception error, and measure a reception time interval between consecutively received data. The monitoring apparatus may judge which one of the relay apparatuses is making the retransmission request, based on the measured reception time interval. | 07-19-2012 |
20120230206 | PLACEMENT OF WIRELESS REPEATERS IN A WIRELESS COMMUNICATION NETWORK - The position of wireless repeaters within a wireless communication network can affect the throughput and performance of the wireless communication network. A wireless repeater and/or an access point associated with the wireless communication network can be configured to determine the optimal position of the wireless repeater based on throughput achieved on communication links between the access point, the repeater, and/or the client stations. The throughput achieved on communication links between the access point, the repeater, and/or the client stations can be determined by exchanging training packets, receiving acknowledgement messages in response to the training packets, and subsequently analyzing the received acknowledgement messages. Furthermore, the throughput achieved on communication links between the access point, the repeater, and/or the client stations can also be analyzed to determine whether each of the client stations should associate with the access point or the wireless repeater. | 09-13-2012 |
20120250526 | Method and Apparatuses for Data Transfer within a Relay Enhanced Telecommunication Network - A method for scheduling a first user equipment, UE, with a first performance causing a first self interference of a relay system between a first access link extending between the relay system and the first UE and a relay link extending between the relay system and a base station, BS, and scheduling a second UE with a second performance causing a second self interference of the relay system between a second access link extending between the relay system and the second UE and the relay link extending between the relay system and the BS. Thereby, if the first self interference is larger than the second self interference, the first performance is smaller than the second performance. Alternatively, if the first self interference is smaller than the second self interference, the first performance is larger than the second performance. | 10-04-2012 |
20130016617 | NETWORK RELAY DEVICE AND CONTROL METHOD THEREOFAANM NISHIKAWA; KoichiAACI ChigasakiAACO JPAAGP NISHIKAWA; Koichi Chigasaki JP - The network relay device is provided. The network relay device includes: a plurality of ports, each being configured to be connectable with one physical line; a virtual line controller configured to treat a plurality of physical lines, which are respectively connected with the plurality of ports, to constitute a virtual line; and a status check frame controller configured to send via the virtual line a status check frame for use in checking status of a network, which the network relay device is connected with via the virtual line, wherein the status check frame controller changes a frame-sending port to be used to send a next status check frame, in order to avoid continuously using an identical port as both a frame-sending port to send the status check frame and a frame-receiving port to receive the status check frame from another network relay device. | 01-17-2013 |
20130136009 | Apparatus and Method for Providing Network Communications - A system that incorporates teachings of the present disclosure may include, for example, a Power Over Ethernet (PoE) device (PD) having a controller to receive signals over a first cable having twisted pair wires from at least one of a network element and a gateway where the network element is associated with a service provider where the gateway is associated with a premises and where the service provider provides network communications to the premises, adjust the signals, transmit the adjusted signals over a second cable having twisted pair wires to at least one of the network element and the gateway, and receive power from at least one of the network element and the gateway, where the power is received over at least one of the first and second cables, where the power is received according to PoE protocol, and where the PD is positioned between the network element and the gateway. Other embodiments are disclosed. | 05-30-2013 |
20130242756 | PACKET RELAY DEVICE, PACKET RELAY SYSTEM, AND FAULT DETECTION METHOD - A fault that cannot be autonomously detected by all or a specific software module and all or a specific hardware device which realize the packet transmitting/receiving function is detected, and also a fault part is specified. A packet relay device realizes the packet transmitting and receiving functions through plural software modules and plural hardware devices. The packet relay device includes a memory space | 09-19-2013 |
20130250776 | Method and a Device for Relaying in a Communications Network - A method and device for selective relaying in a communications network having a plurality of sources, a relay, and a destination. The method includes the following steps: the relay receives messages transmitted respectively by the sources in order to obtain an estimate of the messages; the relay detects errors in the estimated messages; the relay transmits a representative signal to the destination, the signal being representative of only those messages for which no error was detected and resulting from a non-bijective surjective function applied to the messages detected without error, the function including interleaving and encoding; and the representative signal being transmitted by the relay to the destination with a check signal indicating which messages are represented in the representative signal. | 09-26-2013 |
20140036692 | Protocols For Multi-Hop Relay System With Centralized Scheduling - Various exemplary embodiments are disclosed herein. In an example embodiment, a method of transmitting data via a wireless transmission path that may include a user equipment as a first end point, a base station as second end point, and at least one relay station as an intermediate point(s). The method may comprise: receiving a data transmission from a prior point in the wireless transmission path. Substantially concurrently: forwarding the received data to the next point in the transmission path, and determining if the received data is corrupt. Transmitting a transmission message to the next point in the transmission path indicating whether or not the received data was corrupt. And, if the data is not corrupt, transmitting a receipt message to the prior point indicating that the data was uncorrupt when received. | 02-06-2014 |
20140036693 | COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A plurality of communication lines are connected to a gateway. The gateway relays a communication message between the communication lines. A communication message input to the gateway from a first communication line out of the communication lines is defined as a first communication message. The gateway generates a communication message for relay. The communication message for relay contains first path information and second path information incorporated into the first communication message. The first path information indicates the first communication line. The second path information indicates the fact that the first communication message has been input to the gateway. Further, the gateway transfers the communication message for relay to at least one communication line different from the first communication line. The communication device determines the reliability of the received communication message based on the first path information and the second path information in the received communication message. | 02-06-2014 |
20140146688 | REPLICA DEPLOYMENT METHOD AND RELAY APPARATUS - A first information processing apparatus transmits a message storing a replica of data stored in the first information processing apparatus. The message has an unspecified destination. A first relay apparatus detects a second information processing apparatus provided in a network to which the first relay apparatus belongs. The first relay apparatus selects, as a transfer destination of the message, the second information processing apparatus or a second relay apparatus upon receiving the message. The first relay apparatus transfers the message to the selected transfer destination. The second information processing apparatus stores the replica therein upon receiving the message. | 05-29-2014 |
20140185460 | SATELLITE COMMUNICATION DEVICE AND SATELLITE COMMUNICATION SYSTEM - A satellite communication device is provided. The satellite communication device includes a determiner for determining availability of communication from a terminal to a WAN based on determination information acquirable from either one of communication via a LAN and the device itself without performing communication via the WAN, and for generating, when the communication from the terminal to the WAN is available, a communicable signal indicating the communication to the WAN being available. The satellite communication device also includes a notifier for receiving, from the terminal, a communication checking signal for requesting to check the availability of the communication to the WAN, and transmitting, when the communication from the terminal to the WAN is available, the communicable signal to the terminal. | 07-03-2014 |
20150023182 | Communication System, Transmission Apparatus, Line Control Apparatus, Line State Monitoring Method and Non-transitory Computer Readable Medium Storing Program - A communication system includes a radio transmission apparatus that terminates a radio communication line, a radio transmission apparatus that terminates a radio communication line, and a line control apparatus that performs data communication with the radio transmission apparatuses. The radio transmission apparatuses and monitor the line states of the radio communication lines and notify the line control apparatus of the line states. The line control apparatus controls data to be output to the radio transmission apparatuses and according to the line states. | 01-22-2015 |
20150312121 | Relay System and Switching Device - A first fault monitoring unit monitors presence/absence of fault on a communication path between bridge ports, and a second fault monitoring unit monitors presence/absence of fault on a communication path via a ring network between upper link ports. A third fault monitoring unit monitors presence/absence of fault at a MCLAG port. When a monitoring result by the third fault monitoring unit changes from absence of fault to presence of fault, a MCLAG control unit transmits a fault notification frame. At this time, when a monitoring result by the first fault monitoring unit is absence of fault, the MCLAG control unit transmits the fault notification frame from the bridge port, and when the monitoring result by the first fault monitoring unit is presence of fault and a monitoring result by the second fault monitoring unit is absence of fault, it transmits the fault notification frame from the upper link port. | 10-29-2015 |
20150319637 | SIGNALING MECHANISMS FOR NETWORK-RELAY INTERFACE WITH REDUCED OVERHEAD - Relay reporting in a wireless network is implemented by efficiently allocating radio resources based on the nature or criticality of the type of relay report. According to an embodiment, a method of communicating with a relay located in a wireless network includes instructing the relay when to transmit reports based on a mapping of different categories of relay reports to one or more different reporting schemes. Reports are received from the relay based on the relay report category and the corresponding reporting scheme. According to another embodiment, a method of reporting information from a relay to a network node of a wireless network includes generating different categories of reports at the relay for transmission to the network node. A reporting scheme associated with each report category is identified and each report is transmitted to the network node in accordance with the reporting scheme identified for the corresponding report category. | 11-05-2015 |
20160036695 | Self-bootstrapping BFD session over MPLS LSP - A method is implemented by a network device in a network implementing penultimate hop popping (PHP) for Internet Protocol (IP)/Multi-Protocol Label Swapping (MPLS). The network has a plurality of nodes. The method establishes a bi-directional forwarding detection (BFD) session between an active node and a passive node of an MPLS label switched path (LSP) without an out of band bootstrapping process. In this method the network device is the passive node. The passive node generates a My Discriminator for the passive node, where the Your Discriminator is empty and the source label and My Discriminator are known to the passive node. The passive node sends further BFD control packets to the active node that include the generated My discriminator for the passive node. | 02-04-2016 |