Patent application number | Description | Published |
20080219291 | Radio communication apparatus and transmission method - The transmission side adds retransmission identification information to the RLC sub-PDUs obtained by dividing an RLC PDU, and transmits the RLC sub-PDU with the retransmission identification information added thereto. The reception side refers to the retransmission identification information added to the received RLC sub-PDUs, and stores only the RLC sub-PDUs having retransmission information the same as an assumed value which is preset, into a buffer, and assembles an RLC PDU using the RLC sub-PDUs having the same retransmission identification information. | 09-11-2008 |
20090041055 | Radio apparatus, radio communication system, and radio information notification method - MAC entity produces a single PDU in such a way that two or more SDU's, which are received from RLC entity via logical channels, are integrated, and header H and MAC control information CONT are added. Transmission order information (time stamp TS) is added to the PDU. The PDU including the transmission order information is transferred to a transport channel, and then transmitted on a radio basis to an apparatus of the other party. | 02-12-2009 |
20090041056 | Radio transmission apparatus, radio receiving apparatus, radio communication apparatus, radio transmission method and radio receiving method - Instead of adding control information that should be passed on to two or more RLC entities or two or more PDCP entities on the counterpart side to data respectively in two or more RLC entities or two or more PDCP entities at the sending end, control information is added in MAC entity and then distributed to two or more RLC entities in MAC entity on the counterpart side. | 02-12-2009 |
20090042514 | Transmission method, transmission device and computer program - Transmission and reception of a data unit such as RLC-PDU is performed more efficiently than the conventional method when a retransmission control is performed in radio communication such as mobile phone communication. If poll information is transmitted after RLC-SDU of a logical channel # | 02-12-2009 |
20090042568 | Communication control method, transmission device and computer program - A method for controlling radio communication such as mobile phone communication is provided for preventing an endless loop of a request for retransmission that is issued by a device on a reception side to a device on a transmission side. The transmission device performs processes of counting, for each RLC-PDU, the number of times when a request for retransmission is issued by the reception device (# | 02-12-2009 |
20090044067 | WIRELESS COMMUNICATION APPARATUS, TRANSMITTING METHOD AND RECEIVING METHOD - A wireless communication apparatus having a retransmission control unit configured to refer to identification information added to received retransmit data when a second retransmit request is performed after the first transmit request is performed, and not to use the received retransmit data for forming data when the received retransmit data corresponds to the first retransmit request based on the identification information, and to use the received retransmit data for forming data when the received retransmit data corresponds to the second retransmit request based on the identification information. | 02-12-2009 |
20090044068 | Method and device for counting transmission times of data unit, transmission device, and computer program - A method for counting correctly substantial transmission times of a data unit such as an RLC-PDU even if the data unit is divided before being transmitted is provided. The method includes the steps of preparing a counter for the RLC-PDU (# | 02-12-2009 |
20090168774 | COMMUNICATION DEVICE, PROGRAM STORAGE MEDIUM, AND COMMUNICATION METHOD - The priority is set so that a control PDU is transmitted to a data controlling section before a data PDU, and an LCH with higher priority is first transmitted among the control PDUs or among the data PDUs. In accordance with the priority, the data controlling section instructs a control PDU transmission controlling section and a data PDU transmission controlling section of each LCH to transmit the control PDU and the data PDU to a transport block generating section of a data multiplex section. The transport block generating section multiplexes the header generated by a header generating section and the control PDU and the data PDU transmitted from the control PDU transmission controlling section and the data PDU transmission controlling section of each LCH to generate a transport block. | 07-02-2009 |
20090169009 | WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION DEVICE - A ciphering processing section that applies a deciphering process to ciphered packet data based on a deciphering key held by key holding part and a count value sequentially updated by counting part. The ciphering processing section further comprises success/failure determining part that determines success/failure of the deciphering process and query part that queries an opposing wireless communication device about a resynchronization count value when a failure of the deciphering process is determined and that receives the resynchronization count value from the opposing wireless communication device. The counting part sequentially updates the count value with the received resynchronization count value as an initial value. The ciphering processing section executes a deciphering process of packet data using the sequentially updated count value. | 07-02-2009 |
20090170556 | WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION PROGRAM STORAGE MEDIUM, AND WIRELESS COMMUNICATION METHOD - An amount of data accumulated in a data-receiving buffer is monitored. When the accumulated amount of data exceeds a threshold, a control PDU indicating that the accumulated amount of data exceeds the threshold is generated and transmitted to a data transmitter. | 07-02-2009 |
20090172490 | DATA RETRANSMISSION METHOD AND WIRELESS COMMUNICATION APPARATUS - A data retransmission method for retransmitting a data using a wireless communication, including: receiving data transmitted from a transmitting apparatus; determining whether the received data is correct or not; transmitting data including information indicating that the received data is received correctly to the transmitting apparatus upon being determined the received data is correct, and transmitting data including information indicating that the received data is not received correctly to the transmitting apparatus upon being determined the received data is not correct; measuring an elapsed time from transmission of the data including information indicating that the received data is not received correctly; and monitoring whether to receive data corresponding to the received data from the transmitting apparatus before the elapsed time reaches a predetermined time. | 07-02-2009 |
20100199139 | Wireless communication apparatus, wireless communication control apparatus, wireless communication method, wireless communication program storage medium, wireless communication control method, and wireless communication control program storage medium - A wireless communication apparatus that uses a communication protocol to transmit and receive data with a data check bit, including a received data determining section that performs a data check for received data by using the data check bit to determine whether the data is error; a received result transmitting section that, when determined to be error, discards the data and transmits a retransmission request to other wireless communication apparatus of the transmitting origin, whereas determined to be not error, transmits a message indicating that the data is normal to the other wireless communication apparatus of the transmitting origin; and a retransmission asking section that determines whether a format of the data is incorrect or normal, and when determined to be normal, passes the data to predetermined processing, whereas when determined to be incorrect, discards the data and asks the received result transmitting section to request retransmission of the data. | 08-05-2010 |
20110141993 | Radio Transmission Apparatus, Radio Receiving Apparatus, Radio Communication Apparatus, Radio Transmission Method, And Radio Receiving Method - Instead of adding control information that should be passed on to two or more RLC entities or two or more PDCP entities on the counterpart side to data respectively in two or more RLC entities or two or more PDCP entities at the sending end, control information is added in MAC entity and then distributed to two or more RLC entities in MAC entity on the counterpart side. | 06-16-2011 |
20110164694 | Communication system, communication device and communication method - A communication system includes a first communication device that transmits transmission data containing user data and control data, and a second communication device that receives the transmission data from the first communication device. The second communication device includes a temporary storing unit that temporarily stores therein the received transmission data, and a space-insufficient-information transmitting unit that transmits, when an amount of the transmission data stored in the temporary storing unit exceeds a first threshold, space insufficient information indicating that available storage space of the temporary storing unit is insufficient to the first communication device. The first communication device includes a transmission control unit that transmits, when receiving the space insufficient information from the second communication device, transmission data excluding the user data from the transmission data to the second communication device, and that resumes, when receiving space-insufficient dissolution information from the second communication device, transmission of the user data. | 07-07-2011 |
20110170491 | Communication device and communication method - A communication device with a communication protocol including at least two layers includes a data reception unit that receives data transmitted from another communication device; a buffer control unit that rearranges a storage order of data in a buffer based on a number of retransmission times and a retransmission interval of retransmission data, stores the retransmission data in the buffer when the data reception unit has successfully received the retransmitted retransmission data; and a data transfer unit that transfers the data stored in the buffer to an upper layer. | 07-14-2011 |
20110188464 | COMMUNICATION APPARATUS AND TRANSMISSION DATA GENERATION METHOD - A communication apparatus includes an acquisition unit that acquires a size of free space provided in each of a plurality of data transmission units of a first layer; and an allocation unit that allocates to each of a plurality of pieces of data of a second layer a contiguous sequence of free space from among the free space whose size is acquired by the acquisition unit, the contiguous sequence of free space being equal in size to each piece of data and provided in one of the data transmission units among the plurality of data transmission units. The apparatus also includes a multiplexing unit that multiplexes the plurality of pieces of data of the second layer into the plurality of data transmission units of the first layer according to the allocation of the free space by the allocation unit. | 08-04-2011 |
20120224500 | RELAY STATION, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A measuring unit measures the line quality with an eNB. A receiving unit receives line quality information transmitted from an UE. When the line quality measured by the measuring unit is different from line quality contained in the line quality information received by the receiving unit, a transmitting unit changes,the received target data to data for a layer that is different from the physical layer,and transmits the changed data to the UE. | 09-06-2012 |
20130294345 | DATA RETRANSMISSION METHOD AND WIRELESS COMMUNICATION APPARATUS - A data retransmission method for retransmitting a data using a wireless communication, including: receiving data transmitted from a transmitting apparatus; determining whether the received data is correct or not; transmitting data including information indicating that the received data is received correctly to the transmitting apparatus upon being determined the received data is correct, and transmitting data including information indicating that the received data is not received correctly to the transmitting apparatus upon being determined the received data is not correct; measuring an elapsed time from transmission of the data including information indicating that the received data is not received correctly; and monitoring whether to receive data corresponding to the received data from the transmitting apparatus before the elapsed time reaches a predetermined time. | 11-07-2013 |
20130297982 | DATA RETRANSMISSION METHOD AND WIRELESS COMMUNICATION APPARATUS - A method for retransmission data for a data transmission system in which a receiver transmits, when receiving data, a transmittal confirmation signal indicating whether the data is correctly received or not, and a transmitter refers to the transmittal confirmation signal and retransmits, when confirming that the data is not correctly received in the receiver, the data to the receiver, the method includes: at the transmitter, holding the transmitted data; keeping the holding of the transmitted data even after the transmitter confirms that the data is correctly received in the receiver by referring to the transmittal confirmation signal corresponding to the data and retransmitting, to the receiver, the data held therein in response to a request for retransmission of the data from the receiver. | 11-07-2013 |
20130343337 | Radio Transmission Apparatus, Radio Receiving Apparatus, Radio Communication Apparatus, Radio Transmission Method, And Radio Receiving Method - Instead of adding control information that should be passed on to two or more RLC entities or two or more PDCP entities on the counterpart side to data respectively in two or more RLC entities or two or more PDCP entities at the sending end, control information is added in MAC entity and then distributed to two or more RLC entities in MAC entity on the counterpart side. | 12-26-2013 |
20140006891 | WIRELESS COMMUNICAITON APPARATUS, WIRELESS COMMUNICATION CONTROL APPARATUS, WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION PROGRAM STORAGE MEDIUM, WIRELESS COMMUNICATION CONTROL METHOD, AND WIRELESS COMMUNICATION CONTROL PROGRAM STORAGE MEDIUM | 01-02-2014 |
20140153520 | COMMUNICATION APPARATUS AND TRANSMISSION DATA GENERATION METHOD - A communication apparatus includes an acquisition unit that acquires a size of free space provided in each of a plurality of data transmission units of a first layer; an allocation unit that allocates to data of a second layer a contiguous sequence of free space from among the free space whose size is acquired by the acquisition unit, the contiguous sequence of free space being equal in size to the data of the second layer and provided in one data transmission unit of the first layer; and a multiplexing unit that multiplexes a plurality of pieces of data of the second layer into the plurality of data transmission units of the first layer according to the allocation of the free space by the allocation unit. | 06-05-2014 |