Patent application number | Description | Published |
20080200200 | Transmission Power Control Method And Mobile Station - The present invention enables to reduce deterioration in the radio network capacity on the E-DPCCH, by using the transmission power offset as small as possible while satisfying a quality of the E-DPCCH in a conventional mobile communication system using “EUL”. The present invention relates to a transmission power control method for controlling a transmission power of an uplink control channel (E-DPCCH) at a mobile station UE, including: measuring, at a radio base station Node B, a reception quality of a control signal received through the uplink control channel (E-DPCCH); notifying, at the radio base station Node B, the measurement result to a radio network controller RNC; determining, at the radio network controller RNC, a transmission power offset of the uplink control channel (E-DPCCH) based on the measurement result and notifying the determined transmission power offset to the mobile station UE; and controlling, at the mobile station UE, the transmission power of the uplink control channel (E-DPCCH) by using the transmission power offset. | 08-21-2008 |
20080207216 | Transmission Speed Control Method, Mobile Station, and Radio Line Control Station - The present invention relates to a transmission rate control method for controlling a transmission rate of user data to be transmitted via an uplink by a mobile station. When a serving cell, which performs a scheduling control in an uplink of the mobile station, is configured to transmit, to the mobile station, an absolute rate allocation channel for indicating a maximum allowable transmission rate which is common in the serving cell, and the mobile station is configured to determine the transmission rate of the user data based on the absolute rate allocation channel, a non-serving cell other than the serving cell does not transmit a relative rate allocation channel for adjusting the maximum allowable transmission rate. | 08-28-2008 |
20080207243 | Transmission Power Control Method, Mobile Station, Radio Base Station, and Radio Line Control Station - The present invention relates to a transmission power control method which controls a transmission power of uplink user data for transmitting an uplink user data from a mobile station to a radio base station. The transmission power control method according to the present invention includes: transmitting, from the mobile station to the radio base station, a transmission data block which includes control information periodically, even when user data to be transmitted has not existed in a transmission buffer of the mobile station; notifying, at the radio base station, the number of retransmissions of the transmission data block, to a radio network controller; determining, at the radio network controller, a target SIR of a dedicated physical control channel in the radio base station based on the notified number of retransmissions and notifying the determined target SIR to the radio base station; controlling, at the radio base station, a transmission power of the dedicated physical control channel in the mobile station based on the notified target SIR; and determining, at the radio network controller, a transmission wave amplitude ratio between the uplink user data channel and the dedicated physical control channel based on the notified number of retransmissions and notifying the determined transmission wave amplitude ratio to the mobile station. | 08-28-2008 |
20080214123 | Transmission Rate Control Method and Mobile Station - To control QoS for each mobile station UE while minimizing the affect on radio capacity in the downlink, a transmission rate control method of the present invention comprises: receiving, at a mobile station, a common absolute transmission rate control signal used for a common transmission rate control and a dedicated relative transmission rate control signal used for a dedicated transmission rate control; and setting, at the mobile station, a higher one of a first transmission rate indicated by the common absolute transmission rate control signal and a second transmission rate determined based on the dedicated relative transmission rate control signal, as a transmission rate in an uplink. | 09-04-2008 |
20080214227 | Transmission Power Control Method, Mobile Station, Radio Base Station, and Radio Network Control Station - The present invention performs an outer loop transmission power control in a more stable manner by preventing a status of being unable to detect an Enhanced Dedicated Physical Control Channel (E-DPCCH). A transmission power control method according to the present application includes: generating, at a mobile station UE, a transport block having a predetermined minimum transport block size, when information to be transmitted to a radio base station Node B does not exist; transmitting, from the mobile station UE to the radio base station Node B, the transport block by a transmission timing predetermined by a mobile communication system or a transmission timing notified from a radio network controller RNC; receiving, at the radio base station Node B, the transport block in accordance with the transmission timing; and controlling, at the radio base station Node B, the transmission power, according to a reception quality of the transport block. | 09-04-2008 |
20080247347 | Mobile Communication System and Control Device - The present invention can improve a reception quality of mobile stations and utilize radio resources effectively, by resolving the problem caused when the conventional multicast communications system. The present invention relates to a radio communications system for transmitting same data to a plurality of cells via at least one base station and performing a soft combining or a selective combining on the same data received by a mobile station. The radio communications system includes a controlling unit configured to set up a cycle at which synchronization processing on transmission timing of the same data among the plurality of cells is performed, or an accuracy by which the synchronization processing is performed, for each control apparatus which performs the synchronization processing. | 10-09-2008 |
20080261606 | Transmission Rate Control Method, Mobile Station and Radio Network Controller - The present invention can flexibly adjust trade-off between the radio network capacity and the radio quality by changing decrease stop of uplink user data in accordance with the congestion of uplink or the uplink user data type. A transmission rate control method according to the present invention includes the steps of; notifying, at a radio network controller RNC, a decrease pattern of the transmission rate of the uplink user data to a mobile station UE, when setting, with the mobile station UE, a user data channel connection for transmitting the uplink user data; and decreasing, at the mobile station UE, the transmission rate of the uplink user data in accordance with the decrease pattern, when receiving, from a radio bass station Node B, a relative rate control channel RGCH for indicating that the transmission rate of the uplink user data should be decreased. | 10-23-2008 |
20080285516 | Transmitting Method, Receiving Method, Radio Base Station, and Mobile Station - A transmission method according to the present invention includes: concatenating CRC masking data and receiver identification information for identifying the receiver; generating CRC check bits by performing a CRC encoding processing against non-CRC masking data; masking the CRC check bits by the concatenated receiver identification information and CRC masking data; concatenating the masking result and the non-CRC masking data; generating a transmission signal by performing an FEC encoding processing against the concatenated masking result and the non-CRC masking data, which are added; and transmitting the transmission signal to the receiver. | 11-20-2008 |
20090028096 | UPPER STATION, BASE STATION, MOBILE STATION, AND TRANSMISSION CONTROL METHOD - An upper node station includes a packet flow multiplexing portion that multiplexes packet flows that are identified by QoS, in accordance with a QoS requirement; and a transmission portion that transmits the multiplexed packet flows. | 01-29-2009 |
20090036139 | TRANSFER RATE CONTROL METHOD, MOBILE STATION, AND RADIO BASE STATION - The present invention simplifies management of a transmission rate of data flows of a plurality of priority levels, and reduces load in the mobile station and the radio base station. | 02-05-2009 |
20090069017 | Mobile communication system, mobile station, and radio base station - When an HSDPA and an Enhanced Uplink are applied, a dedicated physical channel, a high speed dedicated physical control channel, and an enhanced dedicated physical control channel are made to follow only a TPC bit of a serving cell; and when a received power of an enhanced dedicated physical data channel is large, a non-serving cell instructs a mobile station UE to reduce the transmission rate of the enhanced dedicated physical data channel so that an interference power from an adjacent cell in an uplink is controlled while communication quality in a downlink is prevented from deteriorating. | 03-12-2009 |
20090073927 | COMMUNICATION CONTROL APPARATUS AND COMMUNICATION CONTROL METHOD - A communication control apparatus ( | 03-19-2009 |
20090093218 | TRANSMISSION RATE CONTROL METHOD, MOBILE STATION AND RADIO BASE STATION - In the conventional mobile communication system using an “Enhanced Uplink, the present invention improves a radio quality by preventing a decrease in a transmission rate of uplink user data, the decrease unintended by the radio base station Node B and caused by a false detection of a “Down” command in an RGCH.” A transmission rate control method according to the present invention includes: transmitting, from a radio base station to a mobile station, a relative transmission rate control channel for instructing to decrease the transmission rate of the uplink user data, only when the uplink user data transmitted from the mobile station has been successfully received. | 04-09-2009 |
20090117904 | MOBILE STATION AND HANDOVER CONTROL METHOD - A mobile station according to the present invention includes: a radio quality measurement unit | 05-07-2009 |
20090168724 | USER APPARATUS, BASE STATION AND METHOD FOR USE IN MOBILE COMMUNICATION SYSTEM - A user apparatus includes a handover request signal transmission unit configured to transmit a request signal to a source base station for handover to a target base station, a handover command reception unit configured to receive a handover command from the source base station, a PDCP reordering function execution unit configured to execute a PDCP reordering function of determining sequence of packets in a PDCP sublayer and deferring to deliver the packets to an upper layer until the packets become in-sequence, a handover complete signal transmission unit configured to report completion of the handover to the target base station, a PDCP reordering function activation unit configured to activate the PDCP reordering function, and a PDCP reordering function inactivation unit configured to inactivate the PDCP reordering function in response to expiration of a predefined time period or in response to receipt of a notification from the target base station. | 07-02-2009 |
20090219906 | CHANNEL TRANSMISSION APPARATUS AND CHANNEL TRANSMISSION METHOD - A radio physical channel is available to multiple logical channels commonly, and multiple radio physical control channels are provided concomitantly with the radio physical channel and include a commonly usable common control channel. A channel transmission apparatus includes a logical channel type determination unit determining a type of a logical channel, and a channel transmission unit transmitting an identifier of the UE in the radio physical control channel depending on the type of the logical channel. A scheme of identifying the UE in the radio physical control channel is modified depending on the type of the logical channel. | 09-03-2009 |
20090235137 | COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM - A communication apparatus includes an error detection unit conducting error detection on N packet data units received in N transmission processes; a first transmission unit transmitting an affirmative response signal or a first retransmission request signal depending on a result of the error detection; a storage unit storing an affirmatively responding packet for forwarding to an upper layer; a second transmission unit, if affirmatively responding packets are not consecutive, determining whether a missing packet must be retransmitted and transmitting a second retransmission request signal; and a forwarding unit reordering the packet data units and forwarding the packets in the storage unit to the upper layer. | 09-17-2009 |
20090271679 | RETRANSMISSION CONTROL METHOD AND RECEIVING-END APPARATUS - A retransmission control method according to the present invention includes; transmitting, at a transmitter side apparatus | 10-29-2009 |
20090274124 | PACKET SCHEDULING METHOD, BASE STATION, AND MOBILE STATION IN MOBILE COMMUNICATION SYSTEM - A downlink packet scheduling method is disclosed for a shared channel or a common channel in a mobile communication system between a base station and a mobile station, the method including a step in which the base station determines whether there is a waiting packet to be transmitted to the mobile station other than a current transmission packet; a step in which when it is determined that there is no waiting packet to be transmitted, the base station sets a stop period “t” in which packet transmission is temporarily stopped after the current packet transmission; a step in which the base station transmits information indicating the stop period “t” through a schedule information channel transmitting schedule information of downlink packets; and a step in which the base station stops the packet transmission to the mobile station during the stop period “t” after the current packet transmission. | 11-05-2009 |
20090296620 | BASE STATION AND METHOD FOR USE THEREIN - A base station includes a multicast group administration unit administering a multicast group to which a mobile station belongs, a timing determination unit determining an inter-frequency measurement timing when the mobile station measures a signal having a frequency different from a frequency for a residing cell of the mobile station, and a transmission unit transmitting data. The timing determination unit assigns an uniform inter-frequency measurement timing for at least two mobile stations belonging to the same multicast group. The transmission unit transmits data to a mobile station within the multicast so as to avoid the inter-frequency measurement timing. | 12-03-2009 |
20090307552 | RADIO COMMUNICATION METHOD AND RADIO COMMUNICATION DEVICE - One object of the present invention is to provide a simple layer | 12-10-2009 |
20090307553 | RADIO COMMUNICATION APPARATUS AND METHOD USED IN MOBILE COMMUNICATION SYSTEM - A radio communication apparatus including a retransmission control function, includes: determination means configured to determine whether a result of error detection performed in a communication partner side for a first packet after transmitting the first packet to the communication partner is positive acknowledgement or negative acknowledgement; request means configured to request a following second packet from an upper layer when the result of error detection is determined to be positive acknowledgement; and means configured to transmit dummy data to the communication partner as a following second packet when the first packet is the last packet. When the determination determining that the result of error detection is positive acknowledgement is incorrect, a system frame number used when transmitting the dummy data is reported from the communication partner, so that the first packet is retransmitted. | 12-10-2009 |
20090310556 | BASE STATION, MOBILE COMMUNICATION SYSTEM, MOBILE STATION AND COMMUNICATION CONTROL METHOD - A base station for communicating to a mobile station that transmits an uplink signal in accordance with a SC-FDMA scheme or an OFDMA scheme includes an adjustment amount range setting unit configured to set an adjustment amount for adjusting a transmit timing of the uplink signal to have different ranges depending on types of a channel transmitted by the mobile station. | 12-17-2009 |
20090323605 | BASE STATION, MOBILE STATION, AND COMMUNICATION METHOD - A base station for retransmitting a transmission packet in response to a retransmission request for the transmission packet from a mobile station includes a retransmission control unit configured to receive the retransmission request from the mobile station; a scheduling unit configured to determine an available packet size on the same logical channel as used for the transmission packet, when channel quality at the time of retransmitting the transmission packet in response to the retransmission request is improved compared to channel quality at the time of initially transmitting the transmission packet; a segmentation/concatenation unit configured to segment a packet to be transmitted on the same logical channel as used for the transmission packet based on the available packet size determined by the scheduling unit; and a multiplexing unit configured to multiplex the transmission packet to be retransmitted and the packet segmented by the segmentation/concatenation unit. | 12-31-2009 |
20100002655 | USER EQUIPMENT, BASE STATION APPARATUS, AND METHOD - User equipment that is capable of transmitting at least an uplink control channel to a base station apparatus using a single carrier method and to which persistent scheduling is applied, the user equipment includes a unit providing data arrival acknowledgement information, a unit providing channel quality information, a control channel generation unit generating an uplink control channel including at least one of the data arrival acknowledgement information or the channel quality information, and a transmission unit transmitting the uplink control channel using a predetermined dedicated bandwidth, in which the uplink control channel includes at least one unit block including a sequence in which a same factor reported using an upper-layer signaling is multiplied to each chip of an orthogonal code sequence for the user equipment. | 01-07-2010 |
20100027538 | RETRANSMISSION CONTROL METHOD AND RECEIVING SIDE APPARATUS - A retransmission control method according to the present invention includes a physical control channel transmitting step of transmitting, at a transmitting side apparatus | 02-04-2010 |
20100034167 | MOBILE COMMUNICATION SYSTEM, RADIO BASE STATION AND HANDOVER CONTROL METHOD - According to one aspect of the present invention, a mobile communication system is used for transmission and reception of a data PDU (Protocol Data Unit) in a radio link control (RLC) sublayer between a radio base station and a mobile station. The present system includes a function of feeding back a control PDU to a transmitting side, the control PDU indicating a decoding result of a data PDU at a receiving side. In the present system, in response to an instruction from an upper layer of the RLC sublayer, the transmitting side triggers the receiving side to feed back the control PDU. | 02-11-2010 |
20100040064 | TRANSMITTER APPARATUS - A transmitter apparatus includes: an MAC-SDU receiver section ( | 02-18-2010 |
20100056164 | WIRELESS ACCESS CONTROL APPARATUS, MOBILE STATION AND METHOD - A radio access network apparatus includes: a discontinuous reception management unit configured to manage a reception state (a discontinuous reception state or a continuous reception state) for each of one or more mobile stations; a determination and announcement unit configured to determine and announce a correspondence relationship between a discontinuous reception channel and a shared data channel for each mobile station; and a scheduling unit configured to perform scheduling of a downlink shared data channel, wherein, when a paging signal to the mobile station in the discontinuous reception state occurs, the radio access network apparatus transmits the paging signal to the mobile station using the shared data channel determined based on the correspondence relationship. | 03-04-2010 |
20100074230 | MOBILE STATION, BASE STATION, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - A mobile station is configured to send a base station a buffer status report explicitly indicating that the amount of a transmission signal in a buffer of the mobile station has become zero. This configuration makes it possible to efficiently allocate radio resources of an uplink shared channel and thereby to increase uplink capacity. | 03-25-2010 |
20100074246 | TRANSMISSION RESTARTING METHOD, MOBILE STATION AND RADIO BASE STATION - A mobile station (UE) is configured to notify, to a radio base station (eNB), a preamble for RACH included in an uplink synchronization request transmitted by the radio base station by using an asynchronous RACH; notify, to the radio base station (eNB), the preamble, when failing to receive a TA command transmitted by the radio base station (eNB); and release the preamble, when a validity period of the preamble is passed. | 03-25-2010 |
20100085929 | MOBILE STATION, RADIO BASE STATION AND SYNCHRONIZATION ESTABLISHING METHOD - A mobile station (UE) is configured to establish uplink synchronization with a radio base station (eNB). The mobile station (UE) is configured not to return transmission acknowledgment information for downlink data until receiving a command for adjusting uplink transmission timing, when the radio base station (eNB) allocates a radio resource for transmission of the downlink data to the mobile station (UE). | 04-08-2010 |
20100091726 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a user selection unit configured to select a user equipment terminal to which the base station apparatus allocates a radio resource based on whether the base station apparatus receives a signal for requesting allocation of the uplink shared channel from the user equipment terminal. | 04-15-2010 |
20100098008 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using an uplink shared channel, includes a resource allocation unit configured to allocate radio resources according to a first resource allocating scheme for dynamically allocating radio resources and a second resource allocating scheme for periodically allocating radio resources, wherein the resource allocation unit uses the radio resources to be allocated according to the second resource allocating scheme as the radio resources to be allocated according to the first resource allocating scheme, when the base station apparatus receives a signal to release the radio resources to be allocated according to the second allocating scheme. | 04-22-2010 |
20100110984 | RETRANSMISSION REQUEST TRANSMISSION METHOD, TRANSMITTING- SIDE APPARATUS AND RECEIVING-SIDE APPARATUS - In a retransmission request transmission method, a receiving-side apparatus notifies identification information of an RLC-data-PDU and a retransmission start position and a retransmission end position in the RLC-data-PDU, through a STATUS-PDU; and a transmitting-side apparatus retransmits a portion from the retransmission start position to the last portion in the RLC-data-PDU, when a predetermined value is notified as the retransmission end position by the STATUS-PDU (NACK). | 05-06-2010 |
20100113081 | MOBILE STATION, RADIO ACCESS NETWORK APPARATUS, AND MOBILE COMMUNICATIONS SYSTEM - A radio access network apparatus is disclosed. The apparatus communicates with a mobile station using a dedicated uplink channel, a downlink shared data channel, and a downlink signaling control channel. The apparatus includes a dedicated uplink channel allocating unit which allocates, to a mobile station starting or restarting communications, on a downlink shared data channel, a dedicated uplink channel to be used by the mobile station; a dedicated channel reception detecting unit which detects, on the allocated dedicated uplink channel, a reception of an uplink transmission from the mobile station; and a downlink transmitting unit which, when the dedicated channel reception of the mobile station is detected, transmits a response to the mobile station using the downlink shared data channel and the downlink signaling control channel. | 05-06-2010 |
20100113082 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A disclosed base station apparatus includes | 05-06-2010 |
20100118719 | BASE STATION APPARATUS, USER EQUIPMENT, AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a radio resource allocation unit allocating radio resource blocks to the shared channel after allocating the radio resource blocks to at least one of a synchronization signal, a common control channel, a broadcast channel, a paging channel, an MBMS channel, and a random access response channel. | 05-13-2010 |
20100118779 | RETRANSMISSION REQUEST TRANSMITTING METHOD AND RECEIVING-SIDE APPARATUS - In a retransmission request transmitting method, an RLC sublayer of a receiving-side apparatus determines whether or not an RLC-PDU-data (or an RLC-data-Sub-PDU) not received yet is under retransmission control processing in a MAC sublayer; and generates and transmits a STATUS-PDU (NACK) including only a RLC-data-PDU which has neither been received yet nor is under the retransmission control processing in the MAC sublayer, on the basis of the determination result, at a timing when the STATUS-PDU is generated. | 05-13-2010 |
20100118780 | PACKET COMMUNICATION METHOD AND RECEIVING-SIDE APPARATUS - A packet communication method according to the present invention includes the steps of: starting, at a predetermined sublayer of a receiving-side apparatus, a reordering timer, when receiving a second packet before receiving a first packet in a case where a sequence number of the first packet is smaller than a sequence number of the second packet; and transmitting, at the predetermined sublayer of the receiving-side apparatus, a retransmission request for the first packet, when not receiving the first packet until the reordering timer expires. | 05-13-2010 |
20100118803 | BASE STATION APPARATUS, MOBILE STATION, RADIO COMMUNICATION SYSTEM, AND COMMUNICATION CONTROL METHOD - In a radio communication system including a mobile station and a base station apparatus communicating with the mobile station, the base station apparatus applies a scheduling scheme for assigning radio resources to mobile stations for each constant period, and the mobile station transmits a first signal to the base station apparatus in accordance with the assignment of the radio resources. The base station apparatus includes a decoding unit configured to decode the first signal, and a transmitting unit configured to transmit a control signal for retransmitting the first signal to the mobile station if the first signal has not been successfully received. | 05-13-2010 |
20100124932 | TRANSMISSION RESTARTING METHOD AND RADIO BASE STATION - In a transmission restarting method of restarting transmission of downlink user data to a mobile station (UE) in a discontinuous reception state; a radio base station (eNB) allocates a radio resource for downlink data transmission to the mobile station (UE), and notifies, to the mobile station (UE), the allocated radio resource for downlink data transmission; the radio base station (eNB) restarts transmission of downlink user data to the mobile station (UE) by using the allocated radio resource for downlink data transmission; and the radio base station (eNB) stops transmission of the downlink user data when a predetermined condition is detected. | 05-20-2010 |
20100128672 | TRANSMITTER APPARATUS, RECEIVER APPARATUS, MOBILE STATION, AND RADIO BASE STATION - A transmitter apparatus ( | 05-27-2010 |
20100130216 | RECEPTION CYCLE CONTROL METHOD, RADIO BASE STATION, AND MOBILE STATION - A radio base station (eNB) is configured to start the transmitting-side timer and a Polling timer which is set to expire earlier than the transmitting-side, upon transmission of a last piece of downlink data accumulated in a transmission buffer to the mobile station. When the Polling timer expires, the radio base station (eNB) notifies the mobile station (UE) of the expiration, and restarts the transmitting-side timer, and the mobile station (UE) restarts a receiving-side timer in response to the notification. | 05-27-2010 |
20100135209 | RECEPTION CYCLE CONTROL METHOD, RADIO BASE STATION, AND MOBILE STATION - A radio base station (eNB) starts a transmitting-side timer upon transmission of downlink data; and changes a reception cycle of downlink data in a mobile station (UE), when transmitting no downlink data during a period from start to expiration of the transmitting-side timer. The mobile station (UE) starts a receiving-side timer upon receipt of downlink data transmitted; and changes a reception cycle of downlink data in the mobile station (UE), when receiving no downlink data during a period from start to expiration of the receiving-side timer. | 06-03-2010 |
20100135250 | MOBILE SWITCHING CENTER, RADIO BASE STATION, AND MOBILE COMMUNICATION METHOD - A mobile exchange ( | 06-03-2010 |
20100135303 | RETRANSMISSION-REQUEST TRANSMITTING METHOD AND RECEIVING SIDE APPARATUS - In a retransmission-request transmitting method, the receiving side apparatus activates a reordering timer, when receiving a first packet before receiving an unreceived packet with a sequence number smaller than a sequence number of the first packet; triggers transmission of a retransmission request for the unreceived packet, when having not received the unreceived packet by the time of expiration of the reordering timer activated in response to the receipt of the first packet; and stops and reactivates the reordering timer activated in response to the receipt of the first packet, when a value of the sequence number of the first packet falls out of a range of the receiving side window as a result of changing the upper limit value and the lower limit value in accordance with a sequence number of a second packet received from the transmitting side apparatus. | 06-03-2010 |
20100144364 | RETRANSMISSION CONTROL METHOD AND TRANSMITTING-SIDE APPARATUS - In a retransmission control method, each of a transmitting-side apparatus and a receiving-side apparatus includes a first layer and a second layer; and first retransmission control processing is performed between the first layer of the transmitting-side apparatus and the first layer of the receiving-side apparatus, and second retransmission control processing is performed between the second layer of the transmitting-side apparatus and the second layer of the receiving-side apparatus; the first layer of the transmitting-side apparatus determines whether or not specific user data is under the second retransmission control processing, when receiving a retransmission request for the specific user data from the first layer of the receiving-side apparatus, during the first retransmission control processing; and the first layer of the transmitting-side apparatus does not retransmit the specific user data, when determining that the specific user data is under the second retransmission control processing. | 06-10-2010 |
20100150085 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a radio resource allocation unit configured to allocate radio resources other than a resource placed at an end of a system bandwidth, when the system bandwidth is frequency-adjacent to a heterogeneous radio communication system. | 06-17-2010 |
20100153803 | RETRANSMISSION CONTROL METHOD AND RECEIVING SIDE APPARATUS - A retransmission control method has a physical control channel transmission step wherein a transmission side apparatus ( | 06-17-2010 |
20100177716 | RADIO RESOURCE RELEASE CONTROLLING METHOD, RADIO BASE STATION, AND MOBILE STATION - A mobile station performing a voice communication by using a radio resource, including a determination unit configured to determine whether an inputted packet is in a talk-spurt state or in a silent state; a message generating unit configured to generate a resource release request, when the determination unit determines that the inputted packet is in the silent state; and a transmitting unit configured to transmit the resource release request to a radio base station. | 07-15-2010 |
20100208628 | MOBILE STATION, WIRELESS ACCESS NETWORK DEVICE, MOBILE COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A mobile communication system for performing two-way communication between a mobile station and a wireless access network apparatus. The mobile station comprises a connection setup signal reception timing calculating part that calculates the reception timing of a connection setup signal when a connection request signal is transmitted; and a connection setup signal determining part that determines, in accordance with the reception timing, whether the connection setup signal is received, and then performs, based on that determination, a reception process. The wireless access network apparatus comprises a connection setup signal scheduling part that performs, based on the reception timing of the connection request signal, a transmission assignment of the connection setup signal when the connection request signal is received from the mobile station; a connection setup signal creating part that creates the connection setup signal addressed to the mobile station; and a connection setup signal transmitting part that transmits, based on the transmission assignment, the connection setup signal. | 08-19-2010 |
20100222094 | RADIO NETWORK CONTROLLER AND TRANSMISSION POWER CONTROL METHOD - The radio network controller | 09-02-2010 |
20100293427 | RADIO COMMUNICATIONS APPARATUS AND METHOD USED IN A MOBILE COMMUNICATIONS SYSTEM - A radio communications apparatus having a retransmission function that has a determination portion configured to receive an error detection result obtained for a first packet transmitted to a destination apparatus and determine in a first sub-layer whether the error detection result is a positive acknowledgement; a transmission portion configured to transmit a second packet following the first packet to the destination apparatus; a timer portion configured to measure a predetermined period of time after the second packet is transmitted; and a report portion configured to report to a second sub-layer that is an upper sub-layer of the first sub-layer that the error detection result is the positive acknowledgement when no message is received from the destination apparatus during the predetermined period of time, the message indicating that the error detection result is falsely determined to be the positive acknowledgement. | 11-18-2010 |
20100296449 | MOBILE STATION, RADIO BASE STATION, COMMUNICATION CONTROL METHOD, AND MOBILE COMMUNICATION SYSTEM - A mobile station according to the present invention includes: a packet discarder unit (102, 103) configured to discard a packet in an uplink transmission buffer, after assigning a sequence number to the packet, when a predetermined condition is met. | 11-25-2010 |
20100309840 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD USED IN MOBILE COMMUNICATION SYSTEM - A disclosed radio communication apparatus includes a unit receiving a broadcast channel including a system frame number (SFN), a control channel including a process number (Proc) and a new data identification, and a user data channel including a sequence number; a unit detecting whether a received first packet includes an error and reporting the detection result indicating ACK or NACK to a transmitter side; a unit detecting whether the control channel has not been correctly received in the past based on the process number and the new packet identification information of a second packet transmitted after the first packet; and a unit reporting an indicator including the SFN at which the second packet is transmitted to the transmitter side, so that a packet is re-transmitted, the packet being transmitted to the radio communication apparatus by a preceding SFN that precedes an SFN at which the second packet is transmitted. | 12-09-2010 |
20110013506 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a user selection unit selecting a user equipment terminal to which radio resources are to be allocated, the selection being based on whether there is a MAC-layer control signal to be transmitted to the user equipment terminal. | 01-20-2011 |
20110053625 | MOBILE STATION AND BASE STATION APPARATUS - A mobile station ( | 03-03-2011 |
20110103336 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - In a mobile communication method according to the present invention, a mobile station (UE) receives downlink data transmitted from a radio base station by using a downlink radio resource assigned to the mobile station by predetermined scheduling information, in a predetermined cycle. The method includes the steps: (A) notifying, to the mobile station (UE), the predetermined cycle and information on the downlink radio resource; (B) notifying, to the mobile station (UE), the predetermined scheduling information; and (C) transmitting downlink data in the predetermined cycle by using the downlink radio resource assigned by the predetermined scheduling information, the transmission starting at a certain point determined on the basis of the received predetermined scheduling information. In the step (C), the predetermined scheduling information is discarded, when the information on the downlink radio resource and information notified by the predetermined scheduling information are inconsistent with each other. | 05-05-2011 |
20110116463 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - In a mobile communication method according to the present invention, a mobile station (UE) transmits uplink data to a radio base station by using an uplink radio resource assigned to the mobile station by predetermined scheduling information, in a predetermined cycle. The method includes the steps: (A) notifying, to the mobile station (UE), the predetermined cycle and information on the uplink radio resource; (B) notifying, to the mobile station (UE), the predetermined scheduling information; and (C) transmitting uplink data in the predetermined cycle by using the uplink radio resource assigned by the predetermined scheduling information, the transmission starting at a certain point determined on the basis of the received predetermined scheduling information. In the step (C), the predetermined scheduling information is discarded, when the information on the uplink radio resource and information notified by the predetermined scheduling information are inconsistent with each other. | 05-19-2011 |
20110117947 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station includes: a measurement unit which measures a resource use amount in each time frame within predetermined period; a downlink persistent allocation signal transmission unit which transmits to a mobile station, a persistent allocation signal indicating a downlink radio resource allocation start moment; and a downlink communication unit which transmit downlink data using downlink radio resource starting at the downlink radio resource allocation start moment. The downlink persistent allocation signal transmission unit decides the downlink radio resource allocation start moment in accordance with a resource use amount in each time frame. | 05-19-2011 |
20110117948 | RADIO BASE STATION AND COMMUNICATION CONTROL METHOD - A radio base station includes: a measurement unit which measures a resource use amount in each time frame within predetermined period; a downlink persistent allocation signal transmission unit which transmits to a mobile station, a persistent allocation signal indicating a radio resource allocation start moment; and a uplink communication unit which receive uplink data using uplink radio resource starting at the radio resource allocation start moment. The downlink persistent allocation signal transmission unit decides the radio resource allocation start moment in accordance with a resource use amount in each time frame. | 05-19-2011 |
20110128931 | MOBILE COMMUNICATION METHOD, MOBILE STATION, AND RADIO BASE STATION - A radio resource selecting method according to the present invention semi-persistently selects a radio resource to be allocated to an uplink acknowledgement signal indicating a reception state of a persistently allocated downlink signal from a plurality of radio resources defined by frequencies and codes, and includes the steps of: (A) selecting candidates for an allocation radio resource to be allocated to the uplink acknowledgement signal from the plurality of radio resources; (B) notifying candidate information on the selected candidates for the allocation radio resource; and (C) selecting a single allocation radio resource from the plurality of candidates for the allocation radio resource indicated in the candidate information notified in the step (B). | 06-02-2011 |
20110143660 | MOBILE COMMUNICATION METHOD AND MOBILE STATION - A mobile communication method according to the present invention includes the steps of: transmitting, from a mobile station (UE) to a radio base station (eNB), a connection re-establishment request signal to re-establish the connection between the radio base station (eNB) and the mobile station (UE), when the mobile station (UE) detects a failure in the connection; and transmitting, from the mobile station (UE) to the radio base station (eNB), a connection reconfiguration completion signal notifying that processing corresponding to a connection reconfiguration signal is completed, when the mobile station (UE) receives the connection reconfiguration signal from the radio base station (eNB), and when the connection reconfiguration signal contains a release request of a data radio bearer which is not established between the mobile station (UE) and the radio base station (eNB). | 06-16-2011 |
20110149840 | TRANSMITTER APPARATUS, RECEIVER APPARATUS, MOBILE STATION, RADIO BASE STATION, MOBILE COMMUNICATION SYSTEM AND MOBILE COMMUNICATION METHOD - A transmitter ( | 06-23-2011 |
20110164579 | RADIO RESOURCE SELECTING METHOD, MOBILE STATION AND RADIO BASE STATION - A mobile communication method according to the present invention includes the steps of; (A) notifying, from a radio base station (eNB) to a mobile station (UE), a first cycle and information on the uplink radio resource; and (B) determining, at the mobile station (UE), a first allocation starting time, receiving a downlink data via a downlink radio resource and transmitting an acknowledgement information via an uplink radio resource at and after the first allocation starting time, when receiving a fixed allocation signal from the radio base station (UE). In the step (B), the uplink radio resource is adjusted by an adjustment signal included in the fixed allocation signal and the acknowledgement information is transmitted via the adjusted uplink radio resource. | 07-07-2011 |
20110199984 | MOBILE COMMUNICATION SYSTEM AND MOBILE STATION - When a radio resource allocation channel transmitted from a radio base station (eNB) at a discontinuous reception timing satisfies a specific condition, a mobile station (UE) is configured not to start a continuous reception of a signal transmitted from the radio base station (eNB), but to continue the discontinuous reception of a signal transmitted from the radio base station (eNB), even though the mobile station (UE) is performing the discontinuous reception of a signal transmitted from the radio base station (eNB). | 08-18-2011 |
20110223883 | BASE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM AND COMMUNICATION CONTROL METHOD - To provide a base station apparatus, mobile communication system and communication control method for enabling appropriate time charging based on actual communication conditions to be performed, the base station apparatus is provided with a connection section that establishes connection with a user equipment ( | 09-15-2011 |
20110255407 | RADIO BASE STATION AND MOBILE COMMUNICATION METHOD - A radio base station (eNB) according to the present invention includes: a first reception unit ( | 10-20-2011 |
20120044859 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a relay node and a radio base station connected via a radio bearer. A mobile station is configured to conduct a handover process between the state in which a radio bearer is set with the relay node in order to communicate via the relay node and the radio base station, and the state in which a radio bearer is set with the radio base station in order to communicate via the radio base station. The mobile station is configured such that during the handover process, control signals involved in the handover process are sent and received via a radio bearer between the relay node and the radio base station. | 02-23-2012 |
20120044860 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system configured to transmit and receive a data signal between a mobile station and a gateway device via a relay node and a radio base station. The mobile communication system is configured such that the radio bearer for the mobile station is set between the mobile station and the relay node. The radio bearer for the relay node is set between the relay node and the radio base station. A network bearer for the mobile station is set between the relay node and the gateway device. The network bearer for a plurality of mobile stations is multiplexed in the radio bearer for the relay node, and a data signal is transmitted and received between the mobile station and the gateway device via the radio bearer for the mobile station and the network bearer for the mobile station. | 02-23-2012 |
20120069789 | MOBILE COMMUNICATION SYSTEM - A radio base station according to the present invention comprising: a mobile communication system, a relay node and a first radio base station are connected via a radio bearer, the first radio base station and a second radio base station are connected, a mobile station is configured to perform a handover process between a state in which a radio bearer is set with the relay node so as to communicate via the relay node and the first radio base station, and a state in which a radio bearer is set with the second radio base station so as to communicate via the second radio base station, and the handover process is configured such that a radio bearer is set between the relay node and the second radio base station, and the control signals involved in the handover process are sent and received via the radio bearer that has been set between the relay node and the second radio base station. | 03-22-2012 |
20120093066 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a first relay node and a second relay node connected via a radio bearer. The second relay node and a radio base station are connected via a radio bearer. A mobile station is configured to perform a handover process between the state in which a radio bearer is set with the first relay node in order to communicate via the first relay node, the second relay node, and the radio base station, and the state in which a radio bearer is set with the second relay node in order to communicate via the second relay node and the radio base station. The mobile station is configured such that, during the handover process, control signals involved in the handover process are sent and received via the radio bearer between the first relay node and the second relay node. | 04-19-2012 |
20120093081 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system that sends and receives control signals between a mobile station and a mobile switching center via a first radio bearer, a second radio bearer, and a wired bearer. The relay node includes a first radio bearer function, a second radio bearer function, an IP layer function, an SCTP layer function, and an application layer function. The radio base station includes a second radio bearer function, a wired bearer function, and an IP layer function. The mobile switching center includes a wired bearer function, IP layer function, SCTP layer function, and an application layer function. Keep-alive processing is performed between the SCTP layer function of the relay node and the SCTP layer function of the mobile switching center. Security processing is performed between the IP layer function of the relay node and the IP layer function of the mobile switching center. | 04-19-2012 |
20120093125 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a first relay node and a first radio base station connected via a radio bearer, a second relay node, and a second radio base station connected via a radio bearer. The first radio base station and the second radio base station are connected via a bearer, in which a mobile station is configured so as to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate. In the second state a radio bearer is established with the second relay node in order to communicate. The mobile station is configured such that in the handover process, control signals are transmitted and received via the radio bearer between the first relay node, first radio base station, second radio base station, and second relay node. | 04-19-2012 |
20120099516 | MOBILE COMMUNICATION SYSTEM - A radio base station including a mobile communication system, a first relay node and a second relay node which are connected via a radio bearer, the second relay node and a radio base station which are connected via a radio bearer, where a mobile station is configured to perform a handover process between a first state, in which a radio bearer is set with the first relay node in order to communicate via the first relay node, the second relay node, and the radio base station, and a second state, in which a radio bearer is set with the radio base station in order to communicate via the radio base station, and a mobile station is configured such that during the handover process. Control signals involved in the handover process are sent and received via the radio bearer between the first relay node and the second relay node and via the radio bearer between the second relay node and the radio base station. | 04-26-2012 |
20120106435 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a first relay node and a radio base station connected via a radio bearer, a second relay node and a radio base station connected via a radio bearer, and a mobile station configured to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate via the first relay node and the radio base station. In the second state a radio bearer is established with the second relay node in order to communicate via the second relay node and the radio base station. The mobile station is configured such that control signals are transmitted and received via the radio bearer between the first relay node and the radio base station, via the radio bearer between the second relay node and the radio base station. | 05-03-2012 |
20120115480 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a relay node and a radio base station connected via a radio bearer. A mobile station is configured to perform a handover process between a state in which a radio bearer is set with the relay node so as to communicate via the relay node and the radio base station, and a state in which a radio bearer is set with the radio base station so as to communicate via the radio base station. The handover process is configured such that a data signal is transferred via the radio bearer between the relay node and the radio base station. | 05-10-2012 |
20130007550 | RETRANSMISSION CONTROL METHOD AND RECEIVING SIDE APPARATUS - A retransmission side apparatus including a physical control channel receiver unit to receive a physical control channel which includes a new data indicator updated upon transmission of a new packet and a retransmission sequence number indicating whether transmission is first transmission or retransmission. The physical data channel receiver unit is configured to receive a physical data channel associated with the physical control channel. A transmission acknowledgment information transmitter unit transmits transmission acknowledgment information on a packet received through the physical data channel, on the basis of the new data indicator and the retransmission sequence number received through the physical control channel. | 01-03-2013 |
20130058297 | BASE STATION APPARATUS AND COMMUNICATION CONTROL METHOD - A base station apparatus capable of communicating with a user equipment terminal using a downlink shared channel is disclosed. The base station apparatus includes a user selection unit selecting a user equipment terminal to which radio resources are to be allocated, the selection being based on whether there is a MAC-layer control signal to be transmitted to the user equipment terminal. | 03-07-2013 |
20130315206 | MOBILE COMMUNICATION SYSTEM - A radio base station includes a mobile communication system, a first relay node and a first radio base station connected via a radio bearer, a second relay node, and a second radio base station connected via a radio bearer. The first radio base station and the second radio base station are connected via a bearer, in which a mobile station is configured so as to conduct a handover process between a first and second state. In the first state a radio bearer is established with the first relay node in order to communicate. In the second state a radio bearer is established with the second relay node in order to communicate. The mobile station is configured such that in the handover process, control signals are transmitted and received via the radio bearer between the first relay node, first radio base station, second radio base station, and second relay node. | 11-28-2013 |