Class / Patent application number | Description | Number of patent applications / Date published |
370246000 | Of a repeater | 28 |
20090147691 | RELAY DEVICE, COMPUTER READABLE MEDIUM STORING TEST PROGRAM AND A METHOD FOR TESTING RELAY DEVICE - A relay device for relaying transfer data to be transmitted between the devices has a plurality of testers. Each of the testers determines whether received transfer data is normal or not, and discards the transfer data that is determined abnormal. The relay device also has a counter that counts a number of transfer data discarded by each of the testers respectively, and a determiner that determines whether an operation of each tester is normal or not based on the number of discarded transfer data counted by the counter. | 06-11-2009 |
20090279442 | METHOD AND SYSTEM FOR DATA COMMUNICATION - There is provided a system and method for multi-user detection by a plurality of base stations situated at different geographical locations through base station cooperation. An exemplary method comprises exchanging detected data iteratively while performing separate detection and decoding of received data streams. | 11-12-2009 |
20090290500 | MEASUREMENT MANAGING APPARATUS AND COMMUNICATION SYSTEM - A test packet transmitting apparatus transmits respective test packets including different pieces of identification information to a repeating installation. The repeating installation makes a predetermined number of copies of each test packet received from the test packet transmitting apparatus to be transmitted to a test packet receiving apparatus, and determines the predetermined number of copies as a population to measure a communication quality. The test packet receiving device counts the received test packets according to each type of identification information. | 11-26-2009 |
20100309792 | METHOD AND DEVICE FOR DATA RELAY TRANSMISSION IN WIRELESS RELAY NETWORK - A method and a device for data relay transmission in a wireless relay communication network are provided, in which, the relay station directly obtains corresponding egress CID related information based on input MAC PDUs, then generates output MAC PDUs including the egress CID related information, and at last, according to the egress CID related information, performs QoS scheduling for the output MAC PDUs, so as to output them in an sequence of QoS. The invention omits the steps of de-cascading, de-segmenting or de-capsulating the MAC PDUs in order to obtain MAC SDUs, and the steps of scheduling by category, cascading, segmenting, and encapsulating the MAC SDUs in order to re-generate the MAC PDUs in the prior art, and the invention simplifies the data processing procedure and achieves the goal of decreasing the relay latency. Preferably, before the relay station generates the output MAC PDUs based on the input MAC PDUs, it can also schedule the input MAC PDUs based on the ingress CID information therein, so as to further improve the QoS service performance. | 12-09-2010 |
20100315957 | System and Method for Multiple Relay Node Operation in a Communications System - A system and method for multiple relay node operation in a communications system are provided. A method for communications controller operation includes receiving a report from a communications node served by a communications controller, the report includes channel measurements of channels between the communications node and neighboring communications devices, establishing a cooperative operation for the communications node with communications devices neighboring the communications node based on the received report, and transmitting information to communications devices in the cooperative operation. The neighboring communications devices in the cooperative operation forward the information to the communications node. | 12-16-2010 |
20110090801 | DATA RELAY DEVICE AND DATA RELAY METHOD - An object of the invention is to provide a charging processing device and a charging processing method capable of performing an appropriate charging process even when a connectionless protocol, such as UDP, is used. Gateway units | 04-21-2011 |
20110141916 | CONTROL APPARATUS, RELAY APPARATUS, CONTROL METHOD OF THESE APPARATUSES, AND STORAGE MEDIUM - A control apparatus for use in a system in which a transmission source apparatus transmits data to a destination apparatus a plurality of times via a plurality of different communication paths comprising at least one path link each formed by two communication apparatuses directly communicating with each other using at least one of a plurality of antenna radiation patterns, the control apparatus including an acquisition unit configured to acquire communication quality information for each antenna radiation pattern of each communication apparatus forming the path links of the communication paths, a selection unit configured to select a plurality of communication paths exhibiting high communication quality based on the communication quality information acquired by the acquisition unit, and a first allocation unit configured to allocate, to a time slot, a path link of the selected communication paths and an associated antenna radiation pattern for each communication apparatus forming the allocated path link. | 06-16-2011 |
20110305144 | WIRELESS TRANSMISSION OF LAYERED SIGNALS IN A RELAY NETWORK - The wireless transmission of layered signals, in a described embodiment, uses multiple relay nodes ( | 12-15-2011 |
20110310747 | METHOD FOR AVOIDING INTERFERENCE - The present invention provides a method for avoiding interference resulting from data transmission between an adjacent second base station and a second relay station placed within the coverage of the adjacent second base station. The method for avoiding interference comprises: receiving the radio resource scheduling information from the adjacent second base station; checking the radio resources used in the data transmission between the adjacent second base station and the second relay station based on the received radio resource scheduling information; and scheduling at least one radio resource among uplink radio resources and downlink radio resources for at least one first terminal and at least one first relay station which are connected to a first base station in order to avoid interference with the checked radio resource if the radio resource used in the data transmission from the second base station to the second relay station is checked as the uplink resource or if the radio resource used in the data transmission from the second relay station to the second base station is checked as the downlink resource. | 12-22-2011 |
20120044814 | UPLINK BUFFER STATUS REPORTING OF RELAY STATIONS IN WIRELESS NETWORKS - The present disclosure is directed to a method for reporting uplink buffer status of a relay station to a base station in a wireless network. The method includes monitoring an uplink buffer of the relay station communicating with the base station, where the uplink buffer comprises data to be transmitted from one or more user terminals to the base station. The method further includes sending an uplink buffer status report from the relay station to the base station, where the uplink buffer status report includes occupancy status information of the monitored uplink buffer and a number of user terminals having data queued up at the relay station to be transmitted to the base station. | 02-23-2012 |
20120113816 | REFERENCE SIGNAL RECEPTION AND CHANNEL STATE INFORMATION DETERMINATION FOR MULTIPLE NODES IN A WIRELESS COMMUNICATION NETWORK - Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmission to the UE. The nodes may transmit reference signals based on different configurations. The configuration for each node may indicate when, where, and how the node transmits its reference signal. The UE may determine CSI for different nodes and/or different combinations of nodes based on the reference signals transmitted by these nodes as well as an indication of which subframes to use to determine each CSI reported by the UE. The UE may report different CSIs for different subframes and may receive data transmission sent by a single node or a combination of nodes based on the reported CSIs. | 05-10-2012 |
20120188880 | Method and System for Performing Multi-Layer, Multi-Dimensional Link Budget Analysis (LBA) Using Real-Time Network, Weather, Satellite Ephemeras and Ionospheric Information - Methods of dynamically modeling performance of a communications network that may include modeling a communications network using a processor by performing a link budget analysis (LBA) for a configuration of the communications network, receiving a plurality of layers of real-time information about the communications network, iteratively performing additional LBAs using one or more of the layers of real-time information from among the plurality of layers of real-time information, multi-dimensionally co-modeling a matrix comprising results of the iteratively performed additional LBAs, and determining one or more final communications network configuration parameters based on the multi-dimensionally co-modeled matrix. | 07-26-2012 |
20120300644 | METHOD AND DEVICE FOR ESTIMATING CARRIER FREQUENCY OFFSET | 11-29-2012 |
20120314586 | DATA RELAYING APPARATUS AND DATA RELAYING METHOD - In a SGSN, upon receiving data addressed to a mobile station by a receiving unit when disconnection of a radio connection with the mobile station is detected by a disconnection detection unit, a relay/non-relay determination unit determines whether or not to relay the data based on the type of communication determined by a communication type determination unit and performs relay of the data according to the determination. This allows the relay of data to be stopped for the type of communication such as conversational communication in SIP, thus preventing the transmission of unnecessary data to the mobile station and thereby reducing the consumption of a resource for radio communication. | 12-13-2012 |
20120320763 | WIDEBAND NEAR FIELD COMMUNICATION APPARATUS AND METHOD - Provided is an apparatus and method for performing a wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a change of a relay operation type based on a link quality between a source node and a relay node, a link quality between the relay node and the destination node, and a link quality between the source node and the destination node, transmit a relay operation change (ROC) request message in response to a determination of the change of the relay operation type, and receive an ROC response message corresponding to the ROC request message. | 12-20-2012 |
20130033992 | RADIO BASE STATION APPARATUS AND SCHEDULING METHOD - The present invention provides a radio base station apparatus and a scheduling method that can improve user throughput performance in an adaptive AF-type relay transmission method. The scheduling method according to the present invention includes the steps of receiving a signal including a reference signal, measuring an instantaneous channel gain by path loss and fading, among a mobile terminal apparatus, a radio relay station apparatus and a radio base station apparatus, with respect to an uplink, using the reference signal; and performing downlink resource allocation based on the instantaneous channel gain by path loss and fading. | 02-07-2013 |
20130058224 | Automatic Address Range Detection for IP Networks - Mechanisms are provided for automatic address range detection for an IP network. Flow data is obtained comprising the source or destination IP addresses for the flow and one of: the other of the source or destination IP addresses; or direction data identifying the flow direction across the network boundary. A tree is generated representing IP addresses in the flow data. IP addresses with initial portions in common are represented in the tree with a node in common. Weights are assigned to nodes in the tree based on occurrences of the represented IP addresses in the flow data. The IP address range of the network is detected by identifying, based on the assigned weights, the node associated with the last initial address portion common to all IP addresses in the network. A device is automatically configured with the IP address range to differentiate IP addresses inside and outside the network. | 03-07-2013 |
20130100826 | RADIO RELAY APPARATUS AND CONTROL METHOD - A radio relay apparatus | 04-25-2013 |
20130136010 | ADAPTIVE DATA RATE CONTROL FOR NARROWCAST NETWORKS - A system to provide narrowcast communications uses adaptive data rate control to individual subscribers such that the effects of precipitation or other link conditions, which are not common to all subscribers, is mitigated. The invention takes advantage of the fact that the narrowcast data consist of packets which are individually addressed to specific subscribers, or groups of subscribers. The narrowcast data is communicated on a plurality of channels, each of potentially differing data rates. The subscribers are assigned a particular channel, based upon their link quality, to receive packets addressed to them. The lower data rate channel will be less affected by adverse link conditions and are hence assigned to subscribers most likely to incur adverse link conditions. | 05-30-2013 |
20130163440 | Location of Mobile Devices Served by a Relay Node - A network-based wireless location system (WLS) is configured to locate mobile devices, or user equipment (UE), wirelessly communicating with a relay node (RN). The RN is wirelessly backhauled to a serving donor enhanced NodeB (donor eNB), and the RN has eNB functionality to communicate with the UE and has UE functionality to communicate data from the UE with the donor eNB. The WLS carries out a method including receiving uplink transmissions from the RN, using the uplink transmissions from the RN to compute a location estimate for the RN, and determining a location estimate for the UE based on the location estimate for the RN. | 06-27-2013 |
20130182582 | Transmission in a Relay Node-Based Wireless Communication System - Methods, devices and systems for improved transmission in a remote node-based wireless communication system is provided. In one embodiment, a method of wireless communication comprises receiving a downlink signal from a first node, demodulating said received downlink signal, generating a channel quality measurement (“CQM”) value of said demodulated downlink signal, determining said CQM value exceeds a first threshold, modulating said demodulated downlink signal to form a processed downlink signal, and cooperatively transmitting said processed downlink signal with said first node to a wireless device. | 07-18-2013 |
20130229925 | PACKET RELAY APPARATUS AND MEASUREMENT METHOD FOR MEASURING DISCARD NUMBER OF DATA PACKETS - A packet relay apparatus includes a first packet processing circuit and a second packet processing circuit. The first packet processing circuit executes, discarding data packets from among data packets, and transferring the rest of the data packets to the second packet processing circuit, counting discard number of the data packets, determining whether or not the discard number is equal to or greater than a threshold and transferring, if the discard number is equal to or greater than the threshold, a discard number information packet including discard number information indicating the discard number to the second packet processing circuit. The second packet processing circuit executes discarding data packets from among the data packets, counting discard number of the data packets and collecting the discard number counted by the second packet processing circuit and the discard number indicated by the discard number information included in the discard number information packet. | 09-05-2013 |
20130329573 | Data Retransmission Method, Apparatus, and System - A data retransmission method, apparatus, and system can improve a success ratio of data packet retransmission. A data retransmission method includes: after a source node continuously transmits at least two data packets to a destination node according to a go-back-N automatic repeat request, monitoring and decoding, by a relay node, the at least two data packets; storing a copy of a successfully decoded data packet; monitoring a response message to each data packet, where the response message is returned by the destination node to the source node; and sending a copy of a data packet that corresponds to a reception negative acknowledgment message to the destination node, when the monitored response message is the reception negative acknowledgment message. | 12-12-2013 |
20140112158 | ARCHITECTURE FOR RELAYS IN LTE USING D2D - A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives downlink data from a base station via a downlink resource, sends the downlink data to a user equipment (UE) via an uplink resource, receives uplink data from the UE via the uplink resource, and sends the uplink data to the base station via the uplink resource. The apparatus also determines at least one of an observed downlink signal-to-interference-plus-noise ratio (SINR) or an observed uplink interference. The apparatus then broadcasts a relay availability based on the determination that the at least one of the downlink SINR observed is greater than a first threshold or the uplink interference at the relay is less than a second threshold. | 04-24-2014 |
20140269348 | HIERARCHICAL TREE NETWORK USING TDMA PROTOCOL WITH 802.11 INFRASTRUCTURE NODES FOR FIRE DETECTION SYSTEMS AND OTHER SYSTEMS - A system includes multiple nodes, where each node includes one or more 802.11 wireless radios. The nodes are arranged in a hierarchical tree structure in which one or more nodes residing in one level of the tree structure are configured to communicate with one or more nodes residing in another level of the tree structure to propagate information in the tree structure. At least a first of the nodes is configured to operate its associated radio(s) in an 802.11 access point mode and in an 802.11 station mode. The first node is configured to relay data to and from one or more nodes in a lower level of the tree structure using the 802.11 access point mode. The first node is further configured to transmit data to and receive data from one or more nodes in a higher level of the tree structure using the 802.11 station mode. | 09-18-2014 |
20150341107 | WIDEBAND NEAR FIELD COMMUNICATION METHOD - A method for performing a wideband short-range wireless communication which may use a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a change of a relay operation type based on a link quality between a source node and a relay node, a link quality between the relay node and the destination node, and a link quality between the source node and the destination node, transmit a relay operation change (ROC) request message in response to a determination of the change of the relay operation type, and receive an ROC response message corresponding to the ROC request message. | 11-26-2015 |
370247000 | Having a dedicated test line or channel | 2 |
20100054137 | AUTOMATIC REPEAT REQUEST (ARQ) PROTOCOL FOR A MULTIHOP COOPERATIVE RELAY COMMUNICATION NETWORK - A method is provided for confirming whether a data unit transmitted from a base station (BS) was successfully relayed to a subscriber station via one of a plurality of relay stations in a multihop cooperative relay network. Selected ones of the relay stations are designated as: a front-linked relay station designed to only transmit a negative acknowledgement message to the BS upon receiving a data unit from the BS that is unable to be decoded and not to transmit an acknowledgement message upon receiving a data unit from the BS that is able to be decoded, and a back-linked relay station designed to only transmit a acknowledgement message to the BS upon receiving the data unit from the BS that is able to be decoded and not to transmit a negative acknowledgement message to the BS upon receiving a data unit from the BS that is unable to be decoded. | 03-04-2010 |
20100172248 | COMMUNICATION SYSTEM, SUPERVISORY/CONTROL METHOD, AND REPEATING APPARATUS AND PROGRAM - A repeating apparatus to which a supervisory/control apparatus is connected inserts a supervisory/control signal for use by the supervisory/control apparatus to supervise or control the repeating apparatus to which the supervisory/control apparatus is not connected into an unused area within a transmission frame, and a supervisory/control unit of the repeating apparatus to which the supervisory/control apparatus is not connected extracts the supervisory/control signal from the transmission frame and outputs the extracted signal to the supervisory/control apparatus. The repeating apparatus to which the supervisory/control apparatus is not connected extracts a supervisory/control signal from a transmission frame, gives the extracted signal to the supervisory/control unit within own repeating apparatus, inserts the supervisory/control signal from the supervisory/control unit into an unused area within a transmission frame and transmits the resultant signal to the repeating apparatus to which the supervisory/control apparatus is connected. | 07-08-2010 |