Patent application number | Description | Published |
20100093362 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - To realize efficient transmission control of reception quality information which flexibly treats the information amount and the transmission frequency of the reception quality information. A base station apparatus 100 for controlling transmission operation of the reception quality information with respect to a mobile station apparatus includes: a scheduler unit 110 receiving simultaneous transmission permission information for instructing the mobile station apparatus to simultaneously transmit the reception quality information and the uplink data that the mobile station apparatus generates, and an uplink data transmission permission signal, and serving to perform scheduling that includes the simultaneous transmission permission information in the uplink data transmission permission signal, and transmission parts 101 to 105 that transmit, to the mobile station apparatus, the uplink data transmission permission signal including the simultaneous transmission permission information. | 04-15-2010 |
20100157836 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS - The present invention reduces the amount of control information for specifying the transmission method for simultaneously transmitting the uplink data and the reception quality information as well as the uplink data and the ACK/NACK, reduces delay occurring in changing the transmission method, and realizes the mapping of the uplink data and the reception quality information and that of the uplink data and the ACK/NACK, in compliance with modulation scheme and coding rate of the uplink data specified by the base station apparatus. In the mobile communication system where the base station apparatus allocates, to the mobile station apparatus, resources wherein the base station apparatus transmits, to the mobile station apparatus, control information for specifying a transmission format for the mobile station apparatus to transmit information using the uplink, while the mobile station apparatus simultaneously transmits, to the base station apparatus, the uplink data and the reception quality information based on the specified transmission format in case of having received the control information from the base station apparatus. | 06-24-2010 |
20100323738 | MOBILE STATION APPARATUS AND COMMUNICATION METHOD - In case of receiving the L1/L2 grant for permitting the data transmission on the uplink to multiple PUCCH subframes assigned to transmit the reception quality information, the mobile station apparatus transmits all the reception quality information that was attempted to be transmitted by using the multiple PUCCH subframes, by using the corresponding single PUSCH subframe. As a result, it is possible to provide the mobile station apparatus and the like with which, in case that the base station apparatus transmits the L1/L2 grant to multiple PUCCH subframes that were assigned to the mobile station apparatus to transmit the reception quality information, the transmission and reception processing of the reception quality information performed between the base station apparatus and the mobile station apparatus can be reduced, and appropriate communication control following the conditions of the current transmission channel can be achieved by reducing the delay occurring when the mobile station apparatus transmits the reception quality information. | 12-23-2010 |
20110021203 | MOBILE STATION APPARATUS AND PROGRAM - In case that an uplink grand from a base station apparatus is detected on PDCCH, a data designated by the uplink grant, channel state information measured at the time of transmission are transmitted by PUSCH as an uplink transmission signal. Then, in case that a notice that indicates retransmission is received, the data to be retransmission and the channel state information measured at the time of retransmission are transmitted by PUSCH. Accordingly, the mobile station apparatus can transmit appropriate channel state information when designated to retransmission so that the base station apparatus can make an efficient communication control (scheduling) between the base station apparatus and the mobile station apparatus that is suitable for the current channel condition. | 01-27-2011 |
20110092240 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM AND COMMUNICATION METHOD - To provide a mobile station apparatus and a communication system that realize an efficient transmission control for a base station apparatus to allocate resources of the PUSCH with appropriate AMC mode in accordance with the channel feedback report and the scheduling request from the mobile station apparatus, and also enable rapid transmission of the uplink data (enable rapid transmission of the UL-SCH) when the mobile station apparatus transmits only the channel feedback report. A mobile station apparatus | 04-21-2011 |
20120140712 | MOBILE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - In a mobile communication system in which an space of a physical downlink control channel for a mobile station apparatus to search is defined based on a mobile station identity assigned from a base station apparatus, the base station apparatus places a physical downlink control channel including a first mobile station identity or a physical downlink control channel including a second mobile station identity in a search space of a physical downlink control channel corresponding to the first mobile station identity when the base station apparatus assigns a plurality of mobile station identities to the mobile station apparatus, and when a plurality of mobile station identities is assigned from the base station apparatus, the mobile station apparatus performs decoding processing of the physical downlink control channel including the first mobile station identity and the physical downlink control channel including the second mobile station identity in the search space of the physical downlink control channel corresponding to the first mobile station identity. | 06-07-2012 |
20120182949 | MOBILE STATION APPARATUS AND COMMUNICATION METHOD - A mobile station apparatus which communicates with a base station apparatus using a plurality of component carriers, transmits uplink control information to the base station apparatus using a single physical uplink control channel in a plurality of uplink component carriers, regardless of whether or not a plurality of physical uplink control channels is assigned by the base station apparatus and, when each physical uplink shared channel of the plurality of uplink component carriers including a first uplink component carrier on which the uplink control information is transmitted using the physical uplink control channel is assigned in the same subframe by the base station apparatus, transmits the uplink control information to the base station apparatus using the physical uplink shared channel of the first uplink component carrier. | 07-19-2012 |
20120263087 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD - In a mobile communication system in which a plurality of component carriers are used, transmitting and receiving control information of HARQ effectively is realized. In a mobile communication system in which a base station apparatus ( | 10-18-2012 |
20120281654 | MOBILE COMMUNICATION METHOD AND SYSTEM FOR SOUNDING REFERENCE SIGNAL TRANSMISSION, AND BASE STATION, USER EQUIPMENT AND INTEGRATED CIRCUIT THEREIN - A communication method for sounding reference signal transmission is provided. A communication method of a user equipment in a mobile communication system in which a base station apparatus schedules a physical uplink shared channel in an uplink component carrier by using a downlink control information format, the method comprising: receiving, from the base station apparatus, the downlink control information format including first information which instructs to transmit sounding reference signal and second information which indicates the uplink component carrier in which the physical uplink shared channel is scheduled by the downlink control information format, transmitting, to the base station apparatus, sounding reference signal on the uplink component carrier indicated by the second information in case that the first information is detected. | 11-08-2012 |
20120327876 | RADIO COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND RADIO COMMUNICATION METHOD - A reference signal for channel estimation is transmitted a predetermined number of times with one signaling. In a radio communication system including a base station apparatus and a mobile station apparatus, the base station apparatus transmits a radio resource control signal including information indicating a number of times of transmission of the reference signal for channel estimation to the mobile station apparatus, and transmits a physical downlink control channel including information indicating transmission of the reference signal to the mobile station apparatus. The mobile station apparatus transmits the reference signal to the base station apparatus until the number of transmissions of the reference signal reaches the number of times of transmission, according to information, which is included in the radio resource control signal, when the information indicating transmission of the reference signal is included in the physical downlink control channel. | 12-27-2012 |
20130010721 | COMMUNICATION METHOD, MOBILE STATION APPARATUS, BASE STATION APPARATUS AND MOBILE COMMUNICATION SYSTEM - In case that a base station apparatus and a mobile station apparatus use a plurality of component carriers to communicate with each other, they effectively transmit and receive HARQ control information. At least one physical downlink control channel on at least a first downlink component carrier attempts to be decoded, and, in case that one physical downlink control channel corresponding to one physical downlink shared channel transmission on a second downlink component carrier other than the first downlink component carrier is detected, the HARQ control information is transmitted to the base station apparatus using a first physical uplink control channel resource whereas, in case that one physical downlink control channel corresponding to one physical downlink shared channel transmission on the first downlink component carrier is detected, the HARQ control information is transmitted to the base station apparatus using a second physical uplink control channel resource. | 01-10-2013 |
20130010723 | RADIO COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, RADIO COMMUNICATION METHOD AND INTEGRATED CIRCUIT - For efficient transmission of a first reference signal and a second reference signal for channel estimation without deteriorating a channel estimation accuracy, and without deteriorating a communication quality, a mobile station apparatus, in the case where a transmission of the first reference signal and a transmission of the second reference signal coincide in the same timing (Step S | 01-10-2013 |
20130022011 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, MOBILE COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - Provided are a mobile communication system and a mobile communication method in which a base station apparatus and a mobile station apparatus can efficiently transmit control information in case of communication is conducted by using a wide frequency band constructed by a plurality of component carriers. The mobile communication system in which the base station apparatus and the mobile station apparatus communicate by using the plurality of component carriers, wherein the base station apparatus allocates resources to the mobile station apparatus for transmitting HARQ control information, and the mobile station apparatus uses the allocated resources to transmit to the base station apparatus the HARQ control information for a physical downlink control channel and/or a physical downlink shared channel which are transmitted on a plurality of downlink component carriers, and also a scheduling request for requesting the allocation of uplink data transmission. | 01-24-2013 |
20130034073 | COMMUNICATION METHOD AND SYSTEM FOR PHYSICAL UPLINK CONTROL CHANNEL RESOURCE ASSIGNMENT, AND BASE STATION, USER EQUIPMENT AND INTEGRATED CIRCUIT THEREIN - A communication system in which a base station apparatus and a user equipment communicate on multiple component carriers comprising primary component carrier and non-primary component carrier, the base station apparatus, transmits, to the user equipment, four indices for physical uplink control channel resource using higher layer signaling, transmits, to the user equipment, an index indicator using transmission power control command for physical uplink control channel field, the user equipment, determines an index among the four indices according to the index indicator, transmits, to the base station apparatus, HARQ-ACK/NACK using physical uplink control channel resource the index, wherein the transmission power control command for physical uplink control channel field is included in a downlink control information format, which is used to schedule a physical downlink shared channel on the non-primary component carrier. | 02-07-2013 |
20130034089 | MOBILE STATION APPARATUS, COMMUNICATION METHOD, INTEGRATED CIRCUIT, RADIO COMMUNICATION SYSTEM, AND CONTROL PROGRAM - In a radio communication system including a plurality of mobile station apparatuses and a base station apparatus, a physical uplink reference signal and a physical uplink control channel signal are efficiently controlled and the mobile station apparatus appropriately transmits a signal. The mobile station apparatus includes: a radio resource control unit | 02-07-2013 |
20130044711 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD - In a system where two or more bands the channel state information of which is to be measured can be configured, measurement target of the channel state or the transmission resource is flexibly configured. In a mobile communication system in which a base station apparatus and a mobile station apparatus communicate with each other using a plurality of component carriers configured by the base station apparatus, the base station apparatus transmits, to the mobile station apparatus, a downlink control information format which is used for scheduling of a physical uplink shared channel on a certain uplink component carrier and, the mobile station apparatus transmits, to the base station apparatus, the channel state information for a downlink component carrier corresponding to the certain uplink component carrier in case that downlink control information included in the downlink control information format is set to request a transmission of the channel state information. | 02-21-2013 |
20130051342 | Communication method, mobile station apparatus, base station apparatus and mobile communication system - To provide a mobile communication system and a communication method for enabling HARQ control information to be transmitted and received using radio resources efficiently in case that a base station apparatus and a mobile station apparatus communicate with each other in a wider frequency band using component carriers in a composite manner, in the communication method in the mobile station apparatus that transmits, to the base station apparatus, the HARQ control information for a plurality of downlink transport blocks transmitted on a plurality of downlink component carriers using a first physical uplink control channel resource, in case that the mobile station apparatus detects a single physical downlink control channel in a common search space in a certain subframe, the mobile station apparatus transmits the HARQ control information to the base station apparatus, using a second physical uplink control channel resource different from the first physical uplink control channel resource. | 02-28-2013 |
20130077595 | USER EQUIPMENT, BASE STATION APPARATUS, COMMUNICATION SYSTEM AND MOBILE COMMUNICATION METHODS FOR UPLINK CONTROL INFORMATION - A user equipment for performing effective coding scheme of uplink control information transmission is provided. The user equipment transmits, to a base station apparatus, channel state information for multiple downlink component carriers, the user equipment comprising: a determining unit for determining, the number of coded symbol for the channel state information for multiple downlink component carriers, using the number of bits, which is obtained by concatenating channel state information bits for each downlink component carrier and attaching Cyclic Redundancy Check (CRC) bits to the concatenated channel state information bits for each downlink component carrier. | 03-28-2013 |
20130094368 | TERMINAL DEVICE, BASE STATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A terminal device includes communication means for carrying out communication with a base station device, and generation means for generating a rank indicator specifying a preferred rank, first partial precoder information and second partial precoder information specifying a preferred precoder, and a reception quality indicator specifying a preferred transmission rate. In a first feedback mode in which reception quality information is reported periodically to the base station device, the communication means reports the second partial precoder information and the reception quality indicator at first timing, and reports the rank indicator and the first partial precoder information at second timing different from the first timing. In a second feedback mode in which the reception quality information is reported aperiodically to the base station device, the communication means reports the rank indicator, the first partial precoder information, the second partial precoder information, and the reception quality indicator at the same timing. | 04-18-2013 |
20130100888 | MOBILE COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, BASE STATION APPARATUS, AND COMMUNICATION METHOD - In communication being performed complexly using a plurality of component carriers, a radio resource is efficiently used. A mobile communication system in which a base station apparatus and a mobile station apparatus communicate with each other through the use the plurality of component carriers, in which the base station apparatus sets a particular downlink component carrier to the mobile station apparatus, the mobile station apparatus selects a first arrangement method for uplink control information when only a physical downlink shared channel in the particular downlink component carrier is scheduled by the base station apparatus, and in which the mobile station apparatus selects a second arrangement method for the uplink control information when at least one of physical downlink shared channels in downlink component carriers other than the particular downlink component carrier is scheduled by the base station apparatus. | 04-25-2013 |
20130107835 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD | 05-02-2013 |
20130121280 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD AND INTEGRATED CIRCUIT - It is possible to perform effective communication based on an A-SRS transmitted from a mobile station apparatus. A base station apparatus: notifies the mobile station apparatus of control information for setting, to the mobile station apparatus, whether to transmit a first sounding reference signal assigned in a physical uplink shared channel resource or to transmit a second sounding reference signal assigned in a resource different from the physical uplink shared channel resource; and notifies the mobile station apparatus of an uplink grant including an indication of transmission of a sounding reference signal. When receiving the indication of transmission of the sounding reference signal included in the uplink grant, the mobile station apparatus transmits the first sounding reference signal to the base station apparatus when the transmission of the first sounding reference signal is set by transmission control information, and transmits the second sounding reference signal to the base station apparatus when the transmission of the second sounding reference signal is set by the transmission control information. | 05-16-2013 |
20130156011 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, WIRELSS COMMUNICATION METHOD AND INTEGRATED CIRCUIT - A mobile station apparatus efficiently codes and transmits ACK/NACKs for a plurality of PDSCHs. The mobile station transmits a plurality of ACK/NACKs for transport blocks transmitted by a base station apparatus in a plurality of component carriers to the base station. First and second ACK/NACKs are individually coded, repetition processing is performed on coded bits of the first ACK/NACKs until the number of coded bits of the first ACK/NACKs reaches a first value, the repetition processing is performed on the coded bits of the second ACK/NACKs until the number of coded bits reaches a second value, the coded bits of the first ACK/NACKs and the coded bits of the second ACK/NACKs are concatenated, and the first ACK/NACKs and the second ACK/NACKs are transmitted to the base station apparatus using one physical uplink channel. | 06-20-2013 |
20130163571 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD - To provide a mobile communication system and communication method for efficient scheduling to be performed when a base station apparatus notifies a mobile station apparatus of a plurality of downlink control information formats in the same subframe and/or for some particular time period, in a mobile communication system comprised of a base station apparatus and a mobile station apparatus, the base station apparatus notifies the mobile station apparatus of a plurality of downlink control information formats including at least one downlink control information format including instructions for transmission of a sounding reference signal and a parameter in the same subframe, and the mobile station apparatus transmits a sounding reference signal set based on the parameter to the base station apparatus when among the plurality of downlink control information formats, a predetermined downlink control information format includes instructions for transmission of a sounding reference signal and the parameter. | 06-27-2013 |
20130188589 | MOBILE STATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A mobile station apparatus controls the transmission method of uplink signals to efficiently transmit uplink control information, while avoiding increase of overhead of the control information. The mobile station apparatus has a reception processing unit | 07-25-2013 |
20130188590 | MOBILE COMMUNICATION SYSTEM, MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD AND INTEGRATED CIRCUIT - A mobile communication system and a communication method are provided in which, a base station apparatus can efficiently allocate, to a mobile station apparatus, an uplink resource for transmitting information indicating an ACK/NACK for downlink data. The mobile station apparatus that communicates with the base station apparatus, comprising: a scheduling unit configured to determine two physical uplink control channel resources for a transmission using a physical downlink shared channel in a case that a downlink transmission mode that supports the transmission of up to two downlink transport blocks using the physical downlink shared channel is configured for the secondary cell, and a physical downlink control channel that indicates the transmission using the physical downlink shared channel on the secondary cell is detected on the secondary cell. | 07-25-2013 |
20130215838 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD - Based on a sounding reference signal, a base station apparatus performs efficient scheduling. The base station apparatus includes information for requesting the transmission of the sounding reference signal in a first downlink control information format or a second downlink control information format, and transmits the information to the mobile station apparatus, the mobile station apparatus transmits, based on detection of the information, the sounding reference signal to the base station apparatus, and a first parameter used for the transmission of the sounding reference signal based on the detection of the information included in the first downlink control information format and a second parameter used for the transmission of the sounding reference signal based on the detection of the information included in the second downlink control information format are individually set by a signal of a higher layer transmitted from the base station apparatus. | 08-22-2013 |
20130215862 | MOBILE STATION DEVICE, RADIO COMMUNICATION METHOD AND INTEGRATED CIRCUIT - In a mobile station device capable of transmitting up to a predetermined number of transport blocks to a base station device on a single physical uplink shared channel, an object is to efficiently perform HARQ in case that the mobile station device receives an uplink grant that disables a part of uplink data. The mobile station device receives downlink control information transmitted by the base station device and used for scheduling the physical uplink shared channel. In case that the downlink control information indicates that a specific transport block is disabled, the mobile station device sets ACK for a HARQ process corresponding to the specific transport block. | 08-22-2013 |
20130242922 | WIRELESS COMMUNICATION SYSTEM, MOBILE STATION DEVICE, BASE STATION DEVICE, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A mobile station device efficiently transmits an ACK/NACK of more than 11 bits on a physical uplink channel. A mobile station device for communicating with a base station device divides a plurality of ACKs/NACKs indicating success or failure of decoding of a plurality of pieces of uplink data received from the base station device, separately encodes the divided ACKs/NACKs, and changes a method for concatenating the encoded bits of the separately encoded ACKs/NACKs in accordance with whether the ACKs/NACKs are to be transmitted on a physical uplink control channel or a physical uplink shared channel. | 09-19-2013 |
20130244587 | TERMINAL APPARATUS, BASE-STATION APPARATUS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - A base-station apparatus ( | 09-19-2013 |
20130258978 | MOBILE STATION APPARATUS, PROCESSING METHOD, AND INTEGRATED CIRCUIT - A mobile station apparatus efficiently switches coding schemes when coding both information indicating an ACK/NACK and first control information. A mobile station apparatus | 10-03-2013 |
20130265963 | MOBILE STATION DEVICE, BASE STATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A mobile station device executes processing on uplink control information by effectively using uplink resources when transmitting the uplink control information. The mobile station device generates a plurality of ACK/NACK sequences by interleaving and dividing ACKs/NACKs for a plurality of cells in a plurality of subframes, and separately encodes the plurality of ACK/NACK sequences. Also, the mobile station device interleaves a plurality of ACKs/NACKs and a scheduling request together. | 10-10-2013 |
20140086193 | WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD AND INTEGRATED CIRCUIT - In a case that a mobile station apparatus transmits a physical random access channel to a base station apparatus in a plurality of cells, it is possible to efficiently control transmission power of a physical uplink channel. A mobile station apparatus which performs a random access procedure with a base station apparatus in a plurality of cells, receives downlink control information including a transmission power control command for a physical uplink control channel from the base station apparatus, calculates a parameter by accumulating a value indicated by the transmission power control command, sets transmission power of a physical uplink control channel by using the parameter, transmits the physical uplink control channel to the base station apparatus in a specific cell, and resets accumulated parameter, when a random access response for the specific cell is received from the base station apparatus. | 03-27-2014 |
20140133452 | TERMINAL, BASE STATION, COMMUNICATIONS SYSTEM, AND COMMUNICATION METHOD - A terminal that communicates with a base station monitors a physical downlink control channel allocated in a physical downlink control channel region and an enhanced physical downlink control channel allocated in a physical downlink shared channel region different from the physical downlink control channel region. If the enhanced physical downlink control channel is detected, the terminal reports response information via a physical uplink control channel resource corresponding to the resource in which the enhanced physical downlink control channel was detected. | 05-15-2014 |
20140153532 | TERMINAL, BASE STATION, COMMUNICATIONS SYSTEM, AND COMMUNICATION METHOD - A terminal that communicates with a base station monitors a physical downlink control channel allocated in a physical downlink control channel region and an enhanced physical downlink control channel allocated in a physical downlink shared channel region different from the physical downlink control channel region. If the physical downlink control channel is detected, the terminal reports response information via a physical uplink control channel resource corresponding to the resource in which the physical downlink control channel was detected. If the enhanced physical downlink control channel is detected, the terminal reports via a prescribed physical uplink control channel resource. | 06-05-2014 |
20140169328 | BASE STATION APPARATUS, TERMINAL APPARATUS AND COMMUNICATION METHOD - A base station is configured to communicate with a terminal using a resource element configured of an area in the frequency direction and an area in the temporal direction, and a resource block pair configured of a predetermined number of the resource elements. The base station includes: a second control channel generating unit configured to generate a second control channel which can be mapped to a second control channel area which is an area different from a first control channel area where a first control channel can be mapped, and which is set to the terminal from the base station in units of the resource block pair. A resource element group which is a group of the predetermined resource elements in the resource block pair of the second control channel area is configured, and the second control channel is mapped to a plurality of the resource element groups. | 06-19-2014 |
20140198747 | COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS, AND COMMUNICATION METHOD - Provided are a communication system, a base station apparatus, a mobile station apparatus, and a communication method for reducing interference between uncoordinated adjacent cells. The communication system of the present invention comprises a base station apparatus and a mobile station apparatus. The base station apparatus notifies the mobile station apparatus of a downlink control information format, the downlink control information format including resource allocation information that dictates switching of resource allocation of an uplink demodulation reference signal localized resource allocation and distributed resource allocation, and a frequency offset of the distributed resource allocation of the uplink demodulation reference signal specific to the mobile station apparatus. The mobile station apparatus determines the resource allocation of the uplink demodulation reference signal in accordance with the frequency offset of the mobile station apparatus when information comprised in the downlink control information format dictates the distributed resource allocation in the resource allocation information, and transmits the uplink demodulation reference signal to the base station apparatus. | 07-17-2014 |
20140211732 | TERMINAL, BASE STATION, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD - In a terminal that communicates with a base station, in the case where a physical downlink control channel or an enhanced physical downlink control channel, which is associated with a physical downlink shared channel on a first cell, and an enhanced physical downlink control channel associated with a physical downlink shared channel on a second cell are detected, one physical uplink control channel resource is selected from a physical uplink control channel resource configured for the physical downlink shared channel on the first cell and a physical uplink control channel resource configured for the physical downlink shared channel on the second cell. | 07-31-2014 |
20140247799 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - To make a mobile station apparatus efficiently generate a base sequence. In a mobile station apparatus that generates a sequence for a demodulation reference signal on the basis of at least a sequence group number and transmits to a base station apparatus the demodulation reference signal together with a physical uplink shared channel used for transmission of a transport block, the mobile station apparatus receives information indicating a value of a parameter relating to the sequence from the base station apparatus, and determines the sequence group number without using the value of the parameter in a case where the mobile station apparatus performs transmission of the transport block on the physical uplink shared channel as part of a contention based random access procedure. | 09-04-2014 |
20140293946 | BASE STATION DEVICE, MOBILE STATION DEVICE, WIRELESS COMMUNICATION METHOD, WIRELESS COMMUNICATION SYSTEM, AND INTEGRATED CIRCUIT - A base station device that communicates with a mobile station device is provided. The base station device uses a physical broadcast channel to transmit information instructing the mobile station device to monitor a common search space or an enhanced common search space for a physical downlink channel. | 10-02-2014 |
20140328304 | MOBILE STATION DEVICE, BASE STATION DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - If a plurality of channel state information reports corresponding to different cells have collided (Yes in step S | 11-06-2014 |
20140362797 | MOBILE COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - A mobile communication system, a base station device, a mobile station device, a communication method, and an integrated circuit that each can efficiently transmit HARQ-ACK and/or channel state information are provided. | 12-11-2014 |
20150016385 | TERMINAL DEVICE, BASE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - According to the present invention, there is provided a base station device, a terminal device, a communication method, an integrated circuit, and a radio communication system enabling a base station and a terminal device to decide a parameter related to a reference signal and efficiently communicate. A terminal device receives a reference signal associated with a physical downlink shared channel, the terminal device including means that receives the reference signal generated on the basis of a physical layer cell identity in a case in which a predetermined downlink control information format is used for scheduling of the physical downlink shared channel, and means that receives the reference signal generated on the basis of a parameter configured by a higher layer in a case in which a downlink control information format other than the predetermined downlink control information format is used for scheduling of the physical downlink shared channel. | 01-15-2015 |
20150023282 | TERMINAL DEVICE, BASE STATION DEVICE, AND INTEGRATED CIRCUIT - There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. A terminal device that transmits a demodulation reference signal associated with a physical uplink shared channel to a base station device includes determining a base sequence number on the basis of a value of a parameter configured by a higher layer, determining the base sequence number on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the base sequence number, wherein the base sequence number is determined on the basis of the physical layer cell identity in a case where a transmission on the physical uplink shared channel corresponding to a downlink control information format to which CRC parity bits scrambled by a Temporary C-RNTI are attached is performed in a random access procedure. | 01-22-2015 |
20150036525 | TERMINAL APPARATUS, BASE STATION APPARATUS, AND INTEGRATED CIRCUIT - A terminal apparatus, a base station apparatus, a communication method, an integrated circuit, and a radio communication system are provided that enable a base station apparatus and a terminal apparatus to determine parameters relating to an uplink reference signal and efficiently communicate with each other. A terminal apparatus that transmits a demodulation reference signal, the terminal apparatus comprising: means for receiving a cell-specific parameter used for enabling or disabling a sequence group hopping, means for a user-equipment-specific parameter used for disabling the sequence group hopping, and means for generating a sequence of the demodulation reference signal on the basis of the enabled or disabled sequence group hopping, wherein, in a case that a transmission on the physical uplink shared channel corresponding to a downlink control information format to which CRC parity bits scrambled by a temporary C-RNTI are attached, the sequence group hopping is enabled or disabled on the basis of the cell-specific parameter. | 02-05-2015 |
20150043501 | MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, MOBILE STATION APPARATUS AND COMMUNICATION METHOD - Based on a sounding reference signal, a base station apparatus performs efficient scheduling. The base station apparatus includes information for requesting the transmission of the sounding reference signal in a first downlink control information format or a second downlink control information format, and transmits the information to the mobile station apparatus, the mobile station apparatus transmits, based on detection of the information, the sounding reference signal to the base station apparatus, and a first parameter used for the transmission of the sounding reference signal based on the detection of the information included in the first downlink control information format and a second parameter used for the transmission of the sounding reference signal based on the detection of the information included in the second downlink control information format are individually set by a signal of a higher layer transmitted from the base station apparatus. | 02-12-2015 |
20150049695 | TERMINAL DEVICE, BASE STATION DEVICE, AND INTEGRATED CIRCUIT - There are provided a terminal device, a base station device, a communication method, an integrated circuit, and a wireless communication system that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. In a terminal device that transmits a demodulation reference signal, a sequence group number is determined on the basis of a value of a parameter configured by a higher layer in a case where a transmission on a physical uplink shared channel is performed in accordance with a downlink control information format to which CRC parity bits scrambled by a C-RNTI are attached, which is transmitted on an enhanced physical downlink control channel, and the sequence group number is determined on the basis of a physical layer cell identity in a case where a transmission on the physical uplink shared channel is performed in accordance with a downlink control information format to which CRC parity bits scrambled by a Temporary C-RNTI are attached, which is transmitted on a physical downlink control channel. | 02-19-2015 |
20150063237 | TERMINAL DEVICE, BASE STATION DEVICE, AND INTERGRATED CIRCUIT - There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. A terminal device that transmits a demodulation reference signal associated with a physical uplink shared channel includes determining a value related to a cyclic shift on the basis of a value of a parameter configured by a higher layer, determining the value related to the cyclic shift on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the value related to the cyclic shift, wherein the value related to the cyclic shift is determined on the basis of the physical layer cell identity in a case where a transmission on the physical uplink shared channel corresponding to a downlink control information format to which CRC parity bits scrambled by a Temporary C-RNTI are attached is performed. | 03-05-2015 |
20150063277 | MOBILE STATION APPARATUS, MOBILE COMMUNICATION SYSTEM AND COMMUNICATION METHOD - In a mobile communication system in which an space of a physical downlink control channel (PDCCH) for a mobile station apparatus to search is defined based on a mobile station identity assigned from a base station apparatus, the base station apparatus places a PDCCH including a first mobile station identity or a PDCCH including a second mobile station identity in a search space of a PDCCH corresponding to the first mobile station identity when the base station apparatus assigns a plurality of mobile station identities to the mobile station apparatus, and when a plurality of mobile station identities is assigned from the base station apparatus, the mobile station apparatus performs decoding processing of the PDCCH including the first mobile station identity and the PDCCH including the second mobile station identity in the search space of the PDCCH corresponding to the first mobile station identity. | 03-05-2015 |
20150078273 | TERMINAL DEVICE, BASE STATION DEVICE, AND INTEGRATED CIRCUIT - There are provided a terminal device, a base station device, and an integrated circuit that enable a base station device and a terminal device to determine parameters related to uplink signals or uplink reference signals and to perform efficient communication. A terminal device that transmits a demodulation reference signal associated with a physical uplink shared channel to a base station device includes determining a sequence group number on the basis of a value of a parameter configured by a higher layer, determining the sequence group number on the basis of a physical layer cell identity, and generating a sequence of the demodulation reference signal on the basis of the sequence group number, wherein the sequence group number is determined on the basis of the physical layer cell identity in a case where a transmission on the physical uplink shared channel corresponding to a downlink control information format to which CRC parity bits scrambled by a Temporary C-RNTI are attached is performed in a random access procedure. | 03-19-2015 |