Class / Patent application number | Description | Number of patent applications / Date published |
370226000 | In a repeater system | 26 |
20080219155 | RELAY APPARATUS AND RELAY METHOD - A relay apparatus receives data from a first device via a first network. The relay apparatus then receives a first request from a second device via a second network, and sends a second request to the first network in accordance with the first request. Then, the relay apparatus sends, to the second device via the second network, data received from the first device prior to the first request being received, in accordance with the first request and a communication condition. | 09-11-2008 |
20090245101 | APPARATUS AND METHOD FOR TRANSMITTING REVERSE PACKET DATA IN MOBILE COMMUNICATION SYSTEM - A method for controlling a reply signal transmission in a mobile communication system. The method includes determining whether an error is detected in the received data through the radio channel, generating a reply signal according to the error detection, determining a repetition control signal with a value that differs according to a data transmission rate, repeatedly replicating the reply signal according to the repetition control signal, and transmitting the replicated reply signal through the radio channel. | 10-01-2009 |
20100008221 | METHOD AND APPARATUS FOR SETTING DETOUR PATH IN WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM USING CENTRALIZED MAC PROTOCOL - Provided is a method and apparatus for setting a detour path in a wideband high frequency wireless system using a centralized Media Access Control (MAC) protocol. Here, in a wireless system using the centralized MAC protocol where a time synchronization and a band allocation may be performed by a single central control unit, when a signal blockage occurs while a data communication is being performed via a direct path between a source device and a destination device, the detour path may be quickly provided. | 01-14-2010 |
20100188972 | FAULT TOLERANT NETWORK UTILIZING BI-DIRECTIONAL POINT-TO-POINT COMMUNICATIONS LINKS BETWEEN NODES - A data communication system and an associated network node implementation is disclosed that, in certain embodiments, uses single-channel bi-directional communication links between nodes to send frames of data. The network nodes can be connected together in a ring or daisy chain topology with data frames sent in alternating directions through the bi-directional links. Such networks initially configured in a physical ring topology can tolerate single point failures by automatically switching to a logical daisy chain topology. | 07-29-2010 |
20100246389 | TRANSMISSION SYSTEM, REPEATER AND RECEIVER - It is provided a data transmission system comprising a transmitter, a repeater and a receiver. The transmitter and the repeater are coupled through a first transmission path and the receiver and the repeater are coupled through a second transmission path. The transmitter, the repeater and the receiver have virtual lanes. The transmitter demultiplexes the transmission data into as many data streams as a number of useable virtual lanes based on useable lane information. The repeater monitors failures of the transmission lanes of the first transmission path and the virtual lanes. The receiver monitors failures of the transmission lanes of the second transmission path and the virtual lanes, selects the useable virtual lanes, sends to the transmitter the useable lane information, corrects a wrong order of the received data streams and a shift of reception point in the virtual lanes, and restores the demultiplexed data streams into the transmission data. | 09-30-2010 |
20110194407 | Systems and Methods of Mobile Relay Mobility in Asynchronous Networks - A system and method of managing adjustment of synchronization timing for handover of a mobile relay is disclosed. The method includes repositioning coverage of the mobile relay from a first network access point to a second network access point and adjusting a synchronization timing of the mobile relay in an asynchronous network of the wireless communication system. | 08-11-2011 |
20110242971 | COMMUNICATION TERMINAL, COMMUNICATION METHOD, AND PROGRAM - A communication terminal ( | 10-06-2011 |
20110273981 | COOPERATIVE NETWORK WITH ADAPTIVE FORWARDING REQUEST POLICY - The invention relates to a packet forwarding method in a cooperative network implementing a source terminal, a destination terminal, and at least one relay terminal. In case of a packet decoding error in a node of the network, this method, depending on the outage state of a direct or relayed channel between two nodes of the network, enables a determination of the node(s) having to perform retransmission of the packet and if applicable, the transmission resource(s) to be used. | 11-10-2011 |
20120224472 | METHOD FOR RELAYING OF BASE STATION, METHOD FOR RELAYING OF TERMINAL AND METHOD FOR TRANSMITTING - A method of relaying in a base station (BS) includes: setting, when a backhaul link of a first BS is damaged, a relay link using a second BS, which is an adjacent BS of the first BS as a serving BS; and releasing the relay link after the backhaul link is recovered. | 09-06-2012 |
20140321268 | METHOD AND SYSTEM FOR SUPPORTING DISTRIBUTED RELAY CONTROL PROTOCOL (DRCP) OPERATIONS UPON COMMUNICATION FAILURE - A method supporting a distributed resilient network interconnect (DRNI) in a link aggregation group upon communication failure at a network device is disclosed. The method starts with determining that the network device no longer communicates with its neighbor network device. The network device then determines that its partner network device no longer communicates with the partner network device's neighbor network device. The network device determines that the first portal that the network device belongs to has a higher portal priority than the second portal that the partner network device belongs to, wherein each portal is assigned a portal priority, and it determines that the network device has a lower network device priority than the neighbor network device, wherein each network device is assigned a network device priority. Then the network device halts transmitting and receiving frames of the link aggregation group at the network device. | 10-30-2014 |
20150365320 | METHOD AND DEVICE FOR DYNAMICALLY SWITCHING GATEWAY OF DISTRIBUTED RESILIENT NETWORK INTERCONNECT - A method and apparatus for dynamically switching a gateway of a DRNI are provided. The method includes: synchronizing information of main and backup gateways of each portal system between a portal system of a DRNI end point and other portal systems of the present end point; the portal system detecting whether an event which triggers switching the main and backup gateways occurs or not; and updating a gateway of a service or session when the event which triggers switching the main and backup gateways is detected, a portal system in which a new main gateway of the service or session is located starting to forward the service or session via the main gateway, and a portal system in which the backup gateway of the service or session is located stopping forwarding the service or session via the backup gateway. | 12-17-2015 |
20160006602 | METHOD AND NETWORK INFRASTRUCTURE FOR THE REDUNDANT TRANSMISSION OF MESSAGES IN A DISTRIBUTED REAL-TIME SYSTEM - The invention relates to a method for the redundant transmission of messages in a distributed real-time system, wherein the real-time system comprises two or more computing nodes ( | 01-07-2016 |
20160056995 | Relay System and Relay Device - A relay device includes: a first port and a second port which are connected to a ring network; a relay path for relaying a frame between the first port and the second port; and a first monitoring point and a second monitoring point provided on a side close to the second port on the relay path. The first monitoring point monitors continuity between itself and the second monitoring point of a different device via the relay path of its own device by using a CCM frame based on Ethernet OAM. The second monitoring point monitors continuity between itself and the first monitoring point of a different device via the relay path of the different device by using the CCM frame. | 02-25-2016 |
20160142104 | METHOD OF COMMUNICATIONS IN A NETWORK INTERCONNECTING AT LEAST TWO POWER GENERATORS, AND CORRESPONDING INTERFACING DEVICE - A method is provided for communications in a network interconnecting at least two power generators, each power generator being connected to said network by at least one interfacing device capable of sending and receiving communications frames. The frames have at least one piece of supervision data and at least one piece of information data. The method includes an act of sending during which the same pieces of information data are sent at least twice, wherein two operations of sending frames have identical pieces of information data being separated in time by a predetermined time interval; and an act of receiving, implementing a systematic elimination of one of the frames received when two frames having identical pieces of information data have been received. | 05-19-2016 |
370227000 | Using a spare channel | 12 |
20090086625 | Method and Apparatus For Providing a Distributed Control Plane for a Mobility Home Agent - The invention includes a method and apparatus for providing a distributed control plane for a mobility home agent by enabling multiple home addresses associated with multiple home agents to be assigned to a mobile node contemporaneously. A first home agent assigns a first home address to the mobile node. The first home agent propagates the first home address to the mobile node, which stores the first home address. The first home address is also propagated to a naming server and stored by the naming server for the mobile node. A second home agent, or the first home agent on behalf of the second home agent, assigns a second home address to the mobile node. The first home agent, or second home agent, propagates the second home address to the mobile node, which stores the second home address while continuing to store the first home address. The second home address is also propagated to the naming server and stored by the naming server for the mobile node while the naming server continues to store the first home address for the mobile node. | 04-02-2009 |
20100260042 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM - Disclosed are a data transceiver and a method thereof in a wireless communication system, and particularly, is a data transceiver and method thereof using multiple routes in the wireless communication system. The data transmitting/receiving method using the multiple routes in the wireless communication system includes setting a direct route to a corresponding station and a relay route to a relay device, selecting one route from among the direct route and relay route, and transmitting/receiving data through the selected route. | 10-14-2010 |
20110019540 | WIRELESS AD HOC COMMUNICATION SYSTEM, TERMINAL, PROCESSING METHOD IN TERMINAL AND PROGRAM TO MAKE TERMINAL EXECUTE PROCESSING METHOD - A wireless ad hoc communication system is provided in which in the case where an alternative route can not be discovered in a certain node, a restoration is attempted in an intermediate node instead of deleting all routes up to a transmission source. | 01-27-2011 |
20120002539 | HIERARCHICAL VIRTUAL PRIVATE LAN SERVICE HUB CONNECTIVITY FAILURE RECOVERY - Techniques for recovering from hierarchical virtual private LAN service (HVPLS) hub connectivity failure are described herein. In one embodiment of the invention, a provider edge network element reuses an HVPLS spoke connectivity failure recovery mechanism in an MTU to protect against a failure of HVPLS hub connectivity. The PE network element monitors hub facing connectivity elements and declares a hub connectivity failure upon a certain amount of those hub facing connectivity elements failing, and fabricates a failure of its spoke facing connectivity elements causing the MTU to detect an HVPLS spoke connectivity failure and switch to a secondary HVPLS spoke connection. Other methods and apparatuses are described. | 01-05-2012 |
20120207017 | RECOVERY MECHANISM FOR POINT-TO-MULTIPOINT TRAFFIC - A connection-oriented network ( | 08-16-2012 |
20120213061 | COGNITIVE RELAY TECHNIQUES - The subject specification comprises a cognitive relay communications management (CRCM) component associated with a primary communication system, wherein the CRCM component controls relaying at least a portion of transmitted communications from a secondary source device (SSD) transmitting data to a secondary destination device (SDD) associated with a secondary communication system, in accordance with a specified relay protocol, such as a buffered decode-and-forward protocol. The CRCM component identifies when the secondary relay station (SRS) is not transmitting on the relay-destination (R-D) link and the source-relay link is not blocked, and, in such instance, allows transmission of a packet from the SSD to the SRS. The SRS forwards the packet to the SDD when the CRCM component identifies when the R-D link is not blocked. The SRS and/or SSD remove the packet from their respective queues when an acknowledgement message(s) is received from the SDD and/or SRS, respectively. | 08-23-2012 |
20120224473 | HEADER CONVERSION TECHNIQUE - A header conversion device allowing reduced amount of hardware and memory and high-speed line switching is disclosed. In an ATM switching device having redundant incoming line systems, a header conversion table stores a set of header conversion information for one of the redundant incoming line systems. A header converter converts the header of an ATM cell received from each of the redundant incoming line systems by referring the same set of header conversion information. | 09-06-2012 |
20130223206 | REDUNDANT RING AUTOMATIC RECOVERY - Methods and systems for automatically recovering from a failure event in one or more nodes of a redundant ring network are provided. An indication is received at a first ring of nodes that an associated second ring of nodes has failed. A probing token is circulated around the second ring of nodes while a probing timer is started. The injecting a probing token and starting a probing timer are repeated if the probing timer expires before the probing token circulates completely around the second ring of nodes. A recovery token is circulated around the second ring of nodes to enable each node of the second ring of nodes and to disable the probing timer if the probing token circulates completely around the second ring of nodes. | 08-29-2013 |
20140286157 | SIGNAL PROCESSING METHOD IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - A method for operating a relay node in a wireless communication system. The method includes communicating, by the relay node, with a base station using a specific subframe for the relay node only; detecting, by the relay node, a problem with a connection between the relay node and the base station; starting, by the relay node, a timer upon detecting the problem with the connection between the relay node and the base station; and releasing, by the relay node, a restriction of using the specific subframe for the relay node only, if the started timer expires. The problem with the connection between the relay node and the base station is associated with a radio link failure. | 09-25-2014 |
20140362685 | METHOD AND APPARATUS FOR DYNAMIC CHANNEL MANAGEMENT IN RADIO SYSTEM SUPPORTING MULTIPLE CHANNELS - A method for dynamically managing channels in a DSA radio system that supports multiple channels, includes producing a number of rendezvous combinations by pairing operating channels and backup channels in an 1:1 relation based on an available channel list. Further, the method includes when an arbitrary operating channel in a rendezvous combination is not suitable for communications, extracting a backup channel from the rendezvous combination to which the arbitrary operating channel belongs; and switching the extracted backup channel as an operating channel to continue a communication. | 12-11-2014 |
20150138956 | CONTROLLING SWITCH MECHANISM FOR DETECTING FIBRE CHANNEL OVER ETHERNET DATA FORWARDER FAILURE - Techniques are provided for detecting failure of switching elements of a distributed switch configured to forward Fibre Channel over Ethernet (FCoE) frames. Periodic discovery advertisement messages, which include a fabric name fieldm, are transmitted between a controlling Fibre Channel Forwarder (cFCF) and a FCoE data forwarder (FDF). The cFCF determines a FDF has failed out of the switch fabric based on a reserved value in the fabric name field of a received discovery advertisement message, such as a zero or null value, and de-instantiates virtual links with that FDF. | 05-21-2015 |
20150333954 | Relay System and Switching Device - A first redundancy device and a second redundancy device connected to the first redundancy device are provided. A third switching device has a first link with a first port group of the first switching device and has no link with the second switching device. A fourth switching device has a second link with a first port group of the second switching device and has no link with the first switching device. Here, a communication between the first redundancy device and the second redundancy device is performed through the first link when the first link has no fault, and the communication is performed through the second link when the first link has a fault and the second link has no fault. | 11-19-2015 |