摘要:
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.
摘要:
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 mobile station 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.
摘要:
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.
摘要:
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 403 that sets a radio resource of a reference signal for measuring channel quality and a radio resource of a physical uplink control channel; a simultaneous transmission control unit 4051 which, when transmitting the physical uplink control channel signal in a time frame in which the radio resource of the reference signal has been set, controls a signal transmission processing depending on whether each radio resource has been set to the same component frequency band or each radio resource has been set to a different component frequency band; and a transmission processing unit 407 that transmits the reference signal and/or the physical uplink control channel signal based on the control of the simultaneous transmission control unit.
摘要:
A communication system which performs communication between a base station device configuring at least one cell and a mobile station device, wherein: the base station device includes: a synchronization signal generation unit which generates a synchronization signal corresponding to a cell identity for identifying a cell; and a transmission unit which generates a first transmission signal including the synchronization signal using a first parameter obtained from the cell identity, generates a second transmission signal excluding the synchronization signal using a second parameter obtained from a virtual cell identity different from the cell identity, transmits the first transmission signal using a first frequency band, and transmits the second transmission signal via a second frequency band different from the first frequency band. The mobile station device includes: a reception unit which receives a first reception signal including the synchronization signal using the first parameter obtained from the cell identity via the first frequency band and receives a second reception signal using the second parameter obtained from the virtual cell identity via the second frequency band.
摘要:
In the case that the transmission signal precoding information cannot be transmitted, the transmission signal precoding information is clarified that is used to calculate the reception quality information performed immediately after the case, and a base station apparatus perform suitable communication resource allocation. A mobile station apparatus has a feedback information control section 65 that generates feedback information including the reception quality information and the transmission signal precoding information, and transmission sections 41, 43 to 45 and 47 that transmit the generated feedback information to the base station apparatus, and when the transmission sections 41, 43 to 45 and 47 do not transmit the transmission signal precoding information with communication resources allocated from the base station apparatus to transmit the transmission signal precoding information, the feedback information control section calculates the reception quality information transmitted for a period during which the sections do not transmit the transmission signal precoding information and next transmit the transmission signal precoding information, using beforehand defined transmission signal precoding information.
摘要:
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.
摘要:
A user equipment, UE, comprises: receiving circuitry (120) configured to receive a first radio resource control message including first information used for configuring a number of repetitions, the receiving circuitry (120) being configured to receive a second radio resource control message including second information used for configuring a time domain occasion for a symbol where the UE monitors an uplink grant with cyclic redundancy check scrambled by a first radio network temporary identifier, RNTI, in a UE-specific search space, wherein the first RNTI is different from a cell radio network temporary identifier, C-RNTI, and the receiving circuitry (120) being configured to monitor in the UE-specific search space, based on the second information, the uplink grant with the cyclic redundancy check scrambled by the first RNTI; and transmitting circuitry (158) configured to perform, based on a detection of the uplink grant with the cyclic redundancy check scrambled by the first RNTI, a transmission on a physical uplink shared channel according to the first information.
摘要:
A terminal apparatus 1 receives non-demand System Information (SI) including information for indicating on-demand SI supported by a cell, and transmits a system information request to request transmission of on-demand SI supported by the cell, the on-demand SI is transmitted based on the system information request, and the non-demand SI is transmitted regardless of the system information request.
摘要:
A terminal device configured to report CSI using multiple uplink cells. In a case that a total of the number of one or multiple first channel state information reports and multiple second channel state information reports in a first subframe exceeds a first certain number, a second certain number of channel state information reports of the one or multiple first channel state information reports and the multiple second channel state information reports are not updated. The second certain number is a number obtained by subtracting the first certain number from the total of the number of the one or multiple first channel state information reports and the number of the multiple second channel state information reports.