Patent application number | Description | Published |
20090041000 | Communication Apparatus, Transmitting Method and Receiving Method - A communication apparatus that performs receiving processing of data transmitted at timings of a predetermined interval, the communication apparatus having a transmitting unit configured to transmit a signal indicating that a data is successfully received when the data transmitted at M | 02-12-2009 |
20090111387 | RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD - A control method in a radio communication system wherein a radio communication device transmits, to another radio communication device, a predetermined signal that gives an opportunity to the other radio communication device to detect a change of a rule to be applied from a first rule to a second rule. The method includes transmitting, from the radio communication device, a paging signal at a timing specified by the first rule and a timing specified by the second rule and receiving, by the other radio communication device, the paging signal at the timing specified by the first rule when the predetermined signal was transmitted by the radio communication device to the other radio communication device but not received by the other radio communication device. | 04-30-2009 |
20090168714 | RADIO COMMUNICATION APPARATUS AND CONTROL METHOD FOR RADIO COMMUNICATION SYSTEM - A control method for a radio communication system, wherein a first apparatus transmits a radio signal used to select a radio resource to a second apparatus and when the second apparatus receives a radio signal for requesting allocation of a radio resource from the first apparatus, the second apparatus selects a radio resource to be allocated to the first apparatus based on a radio signal used to select the radio resource and transmits information of the selected radio resource to the first apparatus Consequently, the first apparatus transmits transmission data by using the radio resource specified by the information. The method includes regulating transmission of the radio signal used to select the radio resource to be allocated when the first apparatus receives a particular signal from the second apparatus. | 07-02-2009 |
20090170443 | RADIO COMMUNICATION SYSTEM AND APPARATUS - A radio communication system in which a first radio communication apparatus selects a transmission format from among a plurality of transmission formats to transmit data according to a selected transmission format and a second radio communication apparatus receives the data transmitted from the first radio communication apparatus. The first radio communication apparatus including a control signal generator to generate a control signal for notifying the second radio communication apparatus of a change of a trend of a transmission format to be applied and a radio transmitter to transmit the generated control signal. The second radio communication apparatus including a receiving processor which switches a candidate of receiving formats used for finding a receiving format to obtain a normal reception result based on the control signal. | 07-02-2009 |
20090175241 | METHOD FOR DROPPING PACKET DATA, RADIO COMMUNICATION DEVICE, AND MOBILE COMMUNICATION SYSTEM - A control method in a mobile communication system with a buffer unit for temporarily storing packet data to be sent, includes dropping the packet data stored in the buffer unit before sending when a drop timer corresponding to the packet data before sending reaches a given value or when a drop condition required by a drop mechanism accompanying the buffer unit is satisfied, and dropping the packet data stored in the buffer unit after sending when a drop timer corresponding to the packet data after sending reaches a given value. | 07-09-2009 |
20090175374 | Multiple-Input Multiple-Output Transmission System - In a multiple-input multiple-output transmission system (MIMO system), a receive station detects whether or not there is an error in each data stream, estimates the state of the propagation path of each transmit antenna and reports, to the transmitting side, re-transmission necessary/unnecessary information, for every data stream, created based upon whether or not there is an error, and the state of the propagation path of each transmit antenna. A transmit station decides a transmit antenna that transmits a data stream requiring re-transmission, based upon the reported state of the propagation path of each transmit antenna, and re-transmits the data stream requiring re-transmission from the transmit antenna decided. | 07-09-2009 |
20090185539 | Handover Method and Base Station - To provide a method for suitably enabling the resources of a handover-source base station to be released and the post-handover processes of a handover-destination base station to be executed by securely determining a transfer of Last Packet without increasing a packet transmission delay in a handover process in a mobile communication system where a mobile station makes a communication with packets, a base station is provided with a Last Packet determination timer, and the handover source base station or the handover-destination base station activates the timer upon receipt of a handover completion acknowledgment transmitted from an upper node station or according to a resource release instruction after the reception of the handover completion acknowledgment, and determines that Last Packet has been received, upon expiration of the timer. | 07-23-2009 |
20090207836 | TRANSMISSION METHOD AND APPARATUS - A voice packet transmission method and apparatus for transmitting a voice packet with a header, wherein a voice packet with a compressed header is transmitted, monitoring is performed to detect whether a necessity to send a voice packet with an uncompressed header is generated during the transmission, the voice packet data with an uncompressed header is divided into a plurality of portions when the necessity is generated, and each divided data is transmitted via different antennas by spatial multiplexing. | 08-20-2009 |
20090264132 | INTERMITTENT COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - In an intermittent communication system where an intermittent communication can be made between a base station and a mobile station, a transmitting unit of the mobile station transmits a request to start a normal communication after stopping an intermittent communication at timing different from the intermittent communication if a handover is determined to be required. A transiting unit transits from the intermittent communication to the normal communication after the transmitting unit transmits the request. A handover performing unit performs a handover upon completion of transition to the normal communication by the transiting unit. | 10-22-2009 |
20090289767 | INTERROGATING DEVICE, RFID INTERROGATOR, AND RFID INTERROGATING METHOD - An RFID interrogator includes a data transmitting unit, a data receiving unit, a tag-reception SINR estimating unit, and a transmission controlling unit. The data transmitting unit transmits a transmission signal to an electronic tag. The data receiving unit receives from the electronic tag a response signal in response to the transmission signal within a predetermined time after the transmission signal is transmitted. The tag-reception SINR estimating unit estimates an SINR value related to reception on the electronic tag side as a tag-reception SINR estimation value based on the response signal. The transmission controlling unit variably controls a modulation index of the transmission signal so that the tag-reception SINR estimation value is a reception-allowable predetermined SINR value. | 11-26-2009 |
20090290665 | OFDM RECEIVING METHOD AND APPARATUS - In order to improve upon a degradation in performances due to inter-carrier interference without loss of transmission efficiency, antennas provided on a mobile body are made directional antennas. An antenna selection unit selects a directional antenna in such a manner that Doppler shift that is caused by movement of the mobile body will keep a constant sign that is positive or negative, a fading-variation calculation unit calculates the average value of fading variation on each path of a multipath environment, and a fading-variation compensation unit compensates the multipath fading variation based upon the average value. | 11-26-2009 |
20100039996 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A reordering method of sending packets, to which numbers indicating the packet order are added, to a mobile station from a base station, and rearranging the order of the packets at the mobile station, this includes forwarding from a source base station to a target base station, packets, not sent to the mobile station before a handover sequence, or packets, a confirmation response of proper reception has not been received from the mobile station, transmitting preferentially those packets from the target base station to the mobile base station and then transmitting packets received from a host station to the mobile station, giving packets information indicating that the packets are jump packets when transmitting the packets to the mobile station, received from the host station with the order jumped, deciding jump packets are not objects of reordering, and performing the reordering process for packets that are objects of reordering. | 02-18-2010 |
20100056155 | WIRELESS BASE STATION APPARATUS, WIRELESS MOBILE STATION APPARATUS, AND TRANSMISSION CONTROL METHOD FOR RANDOM ACCESS SIGNAL - A wireless base station apparatus includes a reporting unit which reports information on a first transmission area that allows transmission of a random access signal. Accordingly, the first transmission area is wholly reported to mobile station apparatuses within an area of the wireless base station apparatus. That is, both a mobile station apparatus in a non-handover state and a mobile station apparatus in a handover state receive the first transmission area information (report information) and use the first transmission area as a transmission area for transmitting a random access signal to the wireless base station apparatus. The wireless base station apparatus also has a notifying unit which notifies a second transmission area to a mobile station apparatus in a handover state, the second transmission area being different from the first transmission area reported by the reporting unit of the handover-destination wireless base station apparatus. | 03-04-2010 |
20100080194 | RADIO BASE STATION AND MOBILE STATION - A radio environment acquirer acquires a radio environment condition of radio communication with a subordinate mobile station. A transmitter transmits, to the mobile station, information notifying a signal which is selected from among multiple signal groups and which is to be transmitted in a transmission area of a random access signal, and a notification of a period over which transmission of the signal as the random access signal is permitted. The period is variable in accordance with the radio environment condition acquired by the radio environment acquirer. | 04-01-2010 |
20100099414 | MOBILE STATION APPARATUS AND CELL SELECTING METHOD - A mobile station apparatus, which is used in a mobile communication system including plural base stations, includes a receiver that receives a first signal from any one of the base stations of a first cell group covering a relatively large area and of a second cell group covering a relatively small area; a determining unit that determines an intermittent receiving cycle based on the received first signal; and a setting unit that, based on the determined intermittent receiving cycle, selects a cell group from among the first cell group and the second cell group, and sets the receiver to perform intermittent reception of a second signal transmitted from a base station belonging to the selected cell group. | 04-22-2010 |
20100118730 | Transmitting Apparatus, Receiving Apparatus, And Communication Method - A transmitting apparatus is capable of transmitting data at a first frequency and second frequency to a receiving apparatus. A transmitter of the transmitting apparatus transmits a predetermined wideband signal, in a first time period in a frequency band which does not include the first frequency and in a second time period in a frequency band which does not include the second frequency. A quality measuring unit of the receiving apparatus measures the quality of communication with the transmitting apparatus based on the wideband signal received in the first and second time periods. | 05-13-2010 |
20100172373 | CONTROL DATA COMMUNICATION METHOD AND APPARATUS THEREOF - A control data communication method for multiplexing and transmitting a plurality of mutually independent types of control data by using a control channel and for separating the control data received from the control channel includes changing and transmitting patterns of reference signals included in the control channel according to a format for multiplexing the control data, detecting the format for multiplexing the transmitted control data according to the pattern of the reference signals included in the control channel, and separating the control data in correspondence with the detected format. | 07-08-2010 |
20100195011 | SUBSTRATE FOR DISPLAY AND LIQUID CRYSTAL DISPLAY UTILIZING THE SAME - The invention provides a substrate for a display which can be easily repaired even when there are problems such as inter-layer shorting attributable to invasion of static electricity. The substrate has a first wiring section disposed in a display area thereof and formed so as to outwardly extend from the inside of the display area. The substrate also has a second wiring section formed such that it intersects the first wiring section outside the display area on the substrate with an insulation film interposed between them. The substrate further has an opening formed in the second wiring section at least in a region thereof overlapping the first wiring section intersecting the same. Further, the substrate has overlapping portions formed at two ends of the opening where the first and second wiring sections overlap each other with the insulation film interposed between them. | 08-05-2010 |
20100254338 | TRANSMISSION METHOD, RADIO BASE STATION AND MOBILE STATION - In a transmission method, a service area covered by a first cell is provided with a plurality of second cells with a smaller radius than the first cell. A first radio base station belongs to a first cell while the second radio base stations belong to different second cells. A transmitter of the first radio base station transmits a synchronization channel in a given band while a transmitter of each second radio base station transmits a synchronization channel in a band that is different from the given band and also from those of other second radio base stations. A control unit of a mobile station narrows down bands to be observed for detecting synchronization channels to the given band or, if there are some of the second cells that the mobile stations are allowed to access, to the given band and the bands corresponding to the accessible second cells. | 10-07-2010 |
20110019633 | CONNECTION PROCESSING METHOD IN WIRELESS COMMUNICATION SYSTEM, WIRELESS BASE STATION, AND WIRELESS TERMINAL - In a wireless communication system, a wireless base station, if rejecting a connection to a wireless terminal that makes a connection request in accordance with a first connection processing, controls to adopt a second connection processing different from the first connection processing in response to a subsequent connection request by the wireless terminal. | 01-27-2011 |
20110110284 | NETWORK CODING METHOD AND NETWORK CODING APPARATUS - A base station BS transmits downlink data to a relay station RS. A mobile station MS transmits uplink data to the relay station RS. The relay station RS determines a first modulation scheme for transmitting the uplink data to the base station BS, and determines a second modulation scheme for transmitting the downlink data to the mobile station MS. The relay station RS multiplies a symbol sequence obtained by the first modulation scheme by a symbol sequence obtained by the second modulation scheme for each symbol, and multicasts the multiplication result to the base station BS and the mobile station MS. | 05-12-2011 |
20120014347 | TRANSMISSION CONTROLLING METHOD, WIRELESS TRANSMITTER, WIRELESS RECEIVER, AND COMMUNICATION SYSTEM - A wireless transmitter that transmits data to a wireless receiver generates a plurality of data blocks based on the data destined for the wireless receiver; encodes and modulates each of the plurality of data blocks in accordance with an encoding scheme and a modulating scheme that are to be applied; and transmits the plurality of data blocks encoded and modulated using a wireless resource. In the generation of the data block, the size of each of the plurality of data blocks is adjusted by dividing the data destined for the wireless receiver such that an amount of data of each of the plurality of data blocks encoded and modulated is equal to or less than an amount of maximum data that the wireless transmitter is able to transmit using the wireless resource when the encoding scheme and the modulating scheme are applied. | 01-19-2012 |
20120069735 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system includes a relay station, first and second wireless base stations, a gateway device, and a mobile station. The gateway device is connected to the first and second wireless base stations by a cable. The first and second wireless base stations are interconnected by a cable. The relay station is connected wirelessly to the first wireless base station to perform relayed communication via the first wireless base station. When the mobile station at a lower level than the relay station executes handover to the second wireless base station, the first wireless base station switches a data transfer route by redirecting data which is not yet completely transmitted to the mobile station, to be forwarded to the second wireless base station. | 03-22-2012 |
20120083274 | RADIO COMMUNICATION SYSTEM - A radio communication system includes a relay station, a first radio base station, second radio base stations, and a mobile station. The relay station is connected by radio to the first radio base station and communicates with the second radio base stations via the first radio base station. When the relay station communicates with the second radio base stations, the relay station requests the first radio base station to communicate with the second radio base stations for the relay station. The requested first radio base station communicates with the second radio base stations for the relay station and transmits a communication result to the relay station. | 04-05-2012 |
20120083275 | RADIO COMMUNICATION SYSTEM - A method used in a radio communication system including a first radio base station, a second radio base station that communicates with the first radio base station, a relay station which communicates with the second radio base station via the first radio base station, and a mobile station, the method transmits a request, by the second radio base station, for requesting the first radio base station to communicate with the relay station for the second radio base station and communicating, by the requested first radio base station, with the relay station for the second radio base station and transmits a communication result to the second radio base station. | 04-05-2012 |
20120087289 | COMMUNICATION SYSTEM, BASE STATION, MOBILE TERMINAL, AND COMMUNICATION METHOD - A communication system transmits a paging signal from a base station to a mobile terminal, via a designated carrier among multiple carriers. The communication system includes the base station that transmits the paging signal via the designated carrier, and further transmits via a carrier that is among the carriers and not the designated carrier, information that indicates the designated carrier; and the mobile terminal that based on the information received via a carrier to which the mobile terminal is connected, connects to the designated carrier and receives the paging signal transmitted via the designated carrier. | 04-12-2012 |
20120099534 | COMMUNICATION APPARATUS, TRANSMITTING METHOD AND RECEIVING METHOD - A receiving method and apparatus that performs receiving processing of data transmitted at timings of a predetermined interval. The method and apparatus includes transmitting a signal indicating that a data is successfully received when the data transmitted at M | 04-26-2012 |
20120129455 | INTERMITTENT COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A method for an intermittent communication system where an intermittent communication can be made between a base station apparatus and a mobile station apparatus, that includes the mobile station apparatus's transmitting information based on a result of measuring a reception signal received in the intermittent communication, and changing a reception frequency of the intermittent communication. | 05-24-2012 |
20120182971 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A mobile station, that includes a receiving means for receiving first PDCP PDU from a source base station and a receiving means for receiving second PDCP-PDU from a target base station, in which the second PDCP-PDU being created using sequence number and PDCP SDU that are transferred from the source base station to the target base station and a storage means for storing PDCP SDU conforming to the first PDCP PDU and the PDCP SDU conforming to the second PDCP PDU; and a reordering means for performing in order delivery of the stored PDCP SDUs based on the sequence numbers. | 07-19-2012 |
20120208599 | BASE STATION, COMMUNICATION METHOD, AND MOBILE STATION - A base station requests cooperative transmission of a base station forming a nearby cell that is near a mobile station. The base station further includes an acquirer that acquires a reception power for each nearby cell of the mobile station; a calculator that calculates a value for each acquired reception power, weighted by a coefficient of the nearby cell; and a selector that based on each value calculated by the calculator and from among the nearby cells, selects a cell of which the cooperative transmission is to be requested. | 08-16-2012 |
20120287909 | METHOD FOR DROPPING PACKET DATA, RADIO COMMUNICATION DEVICE, AND MOBILE COMMUNICATION SYSTEM - A mobile communication system, that includes a buffer storing packet data to be sent; and a controller configured for discarding the packet data according to a value of a timer corresponding to the packet data, maintaining the value of the timer corresponding to the packet data when a handover is performed without restarting or resetting the value of the timer, wherein the discarding further includes discarding the corresponding packet data when the value of the timer reaches a given value. | 11-15-2012 |
20120294151 | METHOD FOR DROPPING PACKET DATA, RADIO COMMUNICATION DEVICE, AND MOBILE COMMUNICATION SYSTEM - A control method in a mobile communication system, that includes configuring a timer corresponding to packet data for discarding the packet data according to a value of the timer; maintaining the value of the timer corresponding to the packet data when a handover is performed without restarting or resetting the value of the timer; and discarding the corresponding packet data when the maintained value of the timer reaches a given value. | 11-22-2012 |
20120294284 | METHOD FOR DROPPING PACKET DATA, RADIO COMMUNICATION DEVICE, AND MOBILE COMMUNICATION SYSTEM - A control method in a mobile communication system, that includes configuring a discard timer corresponding to a service data unit (SDU) for discarding the SDU according to a value of the timer; maintaining the value of the discard timer corresponding to the SDU when a handover is performed without restarting or resetting the value of the discard timer; and discarding the corresponding SDU when the maintained value of the discard timer reaches a given value. | 11-22-2012 |
20120329463 | MOBILE COMMUNICATION SYSTEM, CELL SELECTION METHOD, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - A mobile communication system includes plural base stations forming cells and a mobile station disposed in one of the cells and wirelessly communicating with one of the plural base stations. One of the plural base stations includes a cell group information broadcast unit broadcasting plural cell group information items which are information indicating a relationship between moving directions and cell groups, and the mobile station includes a cell group information selection unit selecting a cell group information item corresponding to an estimated moving direction of the mobile station out of the plural cell group information items broadcast by the one of the plural base stations, and a standby cell selection unit selecting, as a new standby cell, a cell having a receiving state satisfying a desired condition from among cells included in the selected cell group information item. | 12-27-2012 |
20130003586 | MOBILE COMMUNICATION SYSTEM, RELAY CONTROL METHOD, RELAY STATION APPARATUS, AND BASE STATION APPARATUS - A mobile communication system includes a base station, a mobile station, and a relay station. The mobile station includes a transmitter transmitting a random access request to the base station. The relay station includes a transmission information acquisition unit receiving a random access response from the base station and acquiring transmission information of a connection establishment request out of the random access response, and a relay report unit measuring a received state of the connection establishment request and transmitting relay information including the received state to the base station and the base station includes a comparison determinator comparing a received state of the connection establishment request measured by the base station with a measurement information of the received state in the received relay information and determining whether the relay station is used to relay radio communications with the mobile station. | 01-03-2013 |
20130250860 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A radio communication system, that includes, a source base station; a target base station; and a mobile station in which the mobile station includes a receiving means for receiving first PDCP (Packet Data Convergence Protocol) PDU (Protocol Data Unit) and first sequence number from the source base station and a receiving means for receiving second PDCP PDU from the target base station, in which the second PDCP PDU being created using second sequence number and PDCP (Packet Data Convergence Protocol) SDU (Service Data Unit) that are transferred from the source base station to the target base station; a storage means for storing PDCP SDU corresponding to the first PDCP PDU and PDCP SDU corresponding to the second PDCP PDU; and a reordering means for performing in order delivery of the stored PDCP SDUs based on the first sequence number and the second sequence number. | 09-26-2013 |
20130250862 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A mobile station that includes a receiving means for receiving first PDCP (Packet Data Convergence Protocol) PDU (Protocol Data Unit) to which a first sequence number is added from a source base station; a receiving means for receiving second PDCP PDU from a target base station that applies a second sequence number transferred from the source base station as a sequence number of PDCP (Packet Data Convergence Protocol) SDU (Service Data Unit) received from a host station and creates the second PDCP PDU and a storage means for storing PDCP SDU corresponding to the first PDCP PDU and PDCP SDU corresponding to the second PDCP PDU and means for performing in order delivery of the stored PDCP SDUs based on the sequence numbers corresponding to the PDCP SDUs. | 09-26-2013 |
20130250912 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A radio communication system, that includes a source base station; a target base station; and a mobile station for receiving either first sequence number or second sequence number, or both of the first and second sequence numbers from the target base station, whereby the first sequence number is transferred from the source base station to the target base station and the second sequence number is added to PDCP (Packet Data Convergence Protocol) SDU (Service Data Unit) which is transferred from the source base station to the target base station. | 09-26-2013 |
20130250914 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A reordering method of sending packets, to which numbers indicating the packet order are added, to a mobile station from a base station, and rearranging the order of the packets at the mobile station, this includes forwarding from a source base station to a target base station, packets, not sent to the mobile station before a handover sequence, or packets, a confirmation response of proper reception has not been received from the mobile station, transmitting preferentially those packets from the target base station to the mobile base station and then transmitting packets received from a host station to the mobile station, giving packets information indicating that the packets are jump packets when transmitting the packets to the mobile station, received from the host station with the order jumped, deciding jump packets are not objects of reordering, and performing the reordering process for packets that are objects of reordering. | 09-26-2013 |
20130250915 | BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND REORDERING METHOD - A reordering method of sending packets, to which numbers indicating the packet order are added, to a mobile station from a base station, and rearranging the order of the packets at the mobile station, this includes forwarding from a source base station to a target base station, packets, not sent to the mobile station before a handover sequence, or packets, a confirmation response of proper reception has not been received from the mobile station, transmitting preferentially those packets from the target base station to the mobile base station and then transmitting packets received from a host station to the mobile station, giving packets information indicating that the packets are jump packets when transmitting the packets to the mobile station, received from the host station with the order jumped, deciding jump packets are not objects of reordering, and performing the reordering process for packets that are objects of reordering. | 09-26-2013 |
20130287047 | Transmitting Apparatus, Receiving Apparatus, And Communication Method - A transmitting apparatus is capable of transmitting data at a first frequency and second frequency to a receiving apparatus. A transmitter of the transmitting apparatus transmits a predetermined wideband signal, in a first time period in a frequency band which does not include the first frequency and in a second time period in a frequency band which does not include the second frequency. A quality measuring unit of the receiving apparatus measures the quality of communication with the transmitting apparatus based on the wideband signal received in the first and second time periods. | 10-31-2013 |
20130294003 | SUBSTRATE FOR DISPLAY AND LIQUID CRYSTAL DISPLAY UTILIZING THE SAME - The invention provides a substrate for a display which can be easily repaired even when there are problems such as inter-layer shorting attributable to invasion of static electricity. The substrate has a first wiring section disposed in a display area thereof and formed so as to outwardly extend from the inside of the display area. The substrate also has a second wiring section formed such that it intersects the first wiring section outside the display area on the substrate with an insulation film interposed between them. The substrate further has an opening formed in the second wiring section at least in a region thereof overlapping the first wiring section intersecting the same. Further, the substrate has overlapping portions formed at two ends of the opening where the first and second wiring sections overlap each other with the insulation film interposed between them. | 11-07-2013 |
20140089756 | COMMUNICATION APPARATUS, TRANSMITTING METHOD AND RECEIVING METHOD - A communication apparatus that performs receiving processing of data transmitted at timings of a predetermined interval, the communication apparatus includes: a transmitting unit configured to transmit a signal indicating that data is successfully received when the data transmitted at M | 03-27-2014 |
20150078339 | METHOD FOR DROPPING PACKET DATA, RADIO COMMUNICATION DEVICE, AND MOBILE COMMUNICATION SYSTEM - A control method in a mobile communication system, that includes configuring a discard timer corresponding to a service data unit (SDU) for discarding the SDU according to a value of the discard timer that indicates a time elapsed since the discard timer started at reception of the SDU; when a handover is performed, maintaining the value of the discard timer corresponding to the SDU and taking over the elapsed time of the SDU; and discarding the corresponding SDU when the value of the discard timer reaches a given value. | 03-19-2015 |