Abstract: Provided are a base station apparatus, a terminal device, and a communication method that can realize a small cell network while reducing load on the terminal device, the small cell network including a small cell performing massive MIMO transfer. The base station apparatus of the present invention is a second base station apparatus included in a communication system in which a plurality of the second base station apparatuses capable of acquiring assistance information from a first base station apparatus communicates with a terminal device, the base station apparatus including a codebook that describes a plurality of linear filters, in which the same cell identification number as at least one of the other second base station apparatuses is configured, and a synchronization signal correlated with the cell identification number is transmitted on the basis of the plurality of linear filters after first precoding of the synchronization signal.

Abstract: There has been a problem that a time period between transmission of a synchronization signal and the next transmission thereof may become longer depending on a usage state of an unlicensed band and a terminal apparatus requires a long time to measure receive power of signals from a plurality of base station apparatuses that perform communication in the unlicensed band. A base station apparatus that communicates with a terminal apparatus in a second frequency band different from a first frequency band that is able to be used exclusively includes: a DL signal generation unit that generates a signal to be transmitted to the terminal apparatus; a radio transmission unit that transmits the signal; and a connected terminal management unit that receives information about a plurality of subframes in which a signal is able to be transmitted to the terminal apparatus from another base station apparatus that communicates with the terminal apparatus in the first frequency band.

Abstract: When graphics computations are to be performed to calculate the display data of a figure to be drawn within a frame that is formed of a plurality of lines in accordance with input vector data, the present invention reduces the storage capacity of a RAM to which a work area for storing intermediate data is allocated. When the graphics computations are to be performed, the frame in which the figure is to be displayed is segmented into a plurality of drawing areas for each of the lines. As regards the work area for storing the intermediate data, the same work area is allocated to all the drawing areas. The graphics computations for calculating the intermediate data of the individual drawing areas are sequentially performed by repeatedly using the same work area.

Abstract: A gear side feeding terminal (73U, 73V, 73W) connected to a motor side feeding terminal (36U, 36V, 36W) provided to the end portion of a stator (32) in the axial direction of the stator (32) from the axial direction of a rotor (38) is provided on a control board (70) for controlling the rotor (38), housed in a gear case (61) so as to be stacked on a speed reduction mechanism (SD) from the direction crossing the axial direction of the rotor (38). In this manner, the wiper motor is composed of a brushless wiper motor (20), and it is unnecessary to provide the gear side feeding terminal (73U, 73V, 73W) so as to avoid the control board (70). Accordingly, it is possible to prevent electric noises, and provide a wiper motor reduced in size and weight, and since it is unnecessary to form a clearance in the control board (70), it is possible to provide a wiper motor further improved in degree of freedom for designing the control board (70).

Abstract: In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33).

Abstract: A terminal apparatus that can efficiently assign transmitting power is provided. The terminal apparatus terminal apparatus that performs communication with a plurality of cells simultaneously includes a control signal processor that receives a control signal providing a notification indicating that at least one of the plurality of cells is to enter an off state in which data communication is not performed temporarily, and a transmitting power controller that, in a case where transmitting power of each of the plurality of connected cells is determined and in a case where a value of a total of the transmitting power needed for the plurality of cells is judged to exceed maximum transmitting power of the terminal apparatus, refers to content of the notification provided by the control signal and judges priority in assigning transmitting power to a channel and a signal that are transmitted in each of the plurality of connected cells.

Abstract: Optimal transmit power control is performed in a band other than licensed bands. When the way of specifying transmit power differs between the licensed band and a frequency band other than the licensed band, the expression of the transmit power control is changed to perform transmit power control. A terminal apparatus includes a carrier aggregation radio transmission unit configured to simultaneously transmit a plurality of component carriers, and a transmit power control unit configured to control transmit power of each of the plurality of component carriers, wherein the transmit power control unit calculates a transmit power of a dedicatedly usable first component carrier among the plurality of component carriers in consideration of the transmit power of the first component carrier, and calculates a transmit power of a second component carrier other than the dedicatedly usable first component carrier in consideration of the transmit power of the first component carrier.

Abstract: There is provided a wireless communication apparatus which achieves high efficiency in power use in such a manner that transmission power is adequately distributed in simultaneous transmission to multiple base stations. The wireless communication apparatus provided by the present invention, at the same time, transmits a first data signal to a first base station apparatus by using a first CC and transmits a second data signal to a second base station apparatus by using a second CC. The wireless communication apparatus includes a transmission-power controller that scales transmission power by using different scaling factors for the first data signal and the second data signal, when the sum of transmission power of the first data signal and transmission power of the second data signal is larger than a predetermined value. The transmission power of the first data signal is calculated to obtain predetermined reception power in the first base station apparatus.

Abstract: A bit coding device that creates a coded bit sequence by performing error correction coding on an input bit sequence that is input, includes a coding unit that creates a first bit sequence by performing the error correction coding on the input bit sequence, an extraction unit that extracts a second bit sequence from the first bit sequence, and an information compression unit that creates a third bit sequence by performing lossy compression on the second bit sequence, in which coded bits include at least a portion of the third bit sequence.

Abstract: In an LTE-A system, there is a problem that it is difficult to perform stable communication in a case where there is a time when another system occupies an unlicensed band being used. There is provided a base station apparatus that communicates with a terminal device in a second frequency band different from a first frequency band capable of being used as a dedicated frequency band. The base station apparatus includes: a wireless transmission unit that transmits data or control information to the terminal device; and a wireless reception unit that receives data or control information transmitted from the terminal device.

Abstract: A terminal apparatus, which performs communication with a first base station apparatus and a second base station apparatus which has a smaller maximum transmit power than that of the first base station apparatus, includes a control unit that extracts control information from signals received from the first base station apparatus and the second base station apparatus and sets communication parameters of an uplink data signal, in which a bit number of information which is extracted by the control unit as the control information from the signal from the second base station apparatus is smaller than a bit number of information which is extracted as the control information from the signal from the first base station apparatus.

Abstract: When graphics computations are to be performed to calculate the display data of a figure to be drawn within a frame that is formed of a plurality of lines in accordance with input vector data, the present invention reduces the storage capacity of a RAM to which a work area for storing intermediate data is allocated. When the graphics computations are to be performed, the frame in which the figure is to be displayed is segmented into a plurality of drawing areas for each of the lines. As regards the work area for storing the intermediate data, the same work area is allocated to all the drawing areas. The graphics computations for calculating the intermediate data of the individual drawing areas are sequentially performed by repeatedly using the same work area.

Abstract: In an LTE-A system, there is a problem that it is difficult to perform stable communication in a case where there is a time when another system occupies an unlicensed band being used. There is provided a base station apparatus that communicates with a terminal device in a second frequency band different from a first frequency band capable of being used as a dedicated frequency band. The base station apparatus includes: a CS determination unit that performs carrier sense in a subframe of carrier sense configured in the second frequency band; a synchronization signal generation unit that generates a synchronization signal; and a wireless transmission unit that transmits the synchronization signal. In a case where the CS determination unit determines that another system does not perform communication in the second frequency band, the wireless transmission unit transmits the synchronization signal generated by the synchronization signal generation unit.

Abstract: There are provided a base station apparatus, a terminal apparatus, and a communication method which are capable of realizing a LTE-A system with improved throughput by performing a CA technology including an unlicensed band while suppressing interference from an existing system. A base station apparatus according to the present invention is a base station apparatus which is included in a communication system that applies a communication scheme applied to a first frequency band capable of being used as a dedicated frequency band to a second frequency band different from the first frequency band and is capable of communicating with a terminal apparatus by using the second frequency band and the second frequency band. The base station apparatus synchronizes a frame number of a frame of a first signal transmitted using the first frequency band with a frame number of a frame of a second signal irrespective of whether or not the second signal transmitted using the second frequency band is transmitted.

Abstract: An electrolytic capacitor according to the present invention employs a capacitor element wherein an anode foil having an anode internal terminal and a cathode foil having a cathode internal terminal are wound or laminated through a separator. The end of the anode foil faces with the cathode foil through the separator and the surface area of the cathode internal terminal is provided with an enlargement treatment, whereby the small area portion of the cathode foil that faces with the anode foil is eliminated, and the charge/discharge characteristics are thus improved.

Abstract: There are provided a base station apparatus, a terminal apparatus, and a communication method which are capable of realizing a LTE-A system with improved throughput by performing a CA technology including an unlicensed band while suppressing interference from an existing system. A base station apparatus according to the present invention, which is included in a communication system that applies a communication scheme applied to a first frequency band capable of being used as a dedicated frequency band to a second frequency band different from the first frequency band and is capable of communicating with a terminal apparatus by using the second frequency band and the second frequency band.

Abstract: MCS that provides high accuracy is selected in semi-persistent scheduling (SPS). A terminal apparatus configured to receive control information includes a control information extraction unit configured to decode the control information using C-RNTI information and extract an MCS index from the control information, and a PDSCH demodulation unit configured to determine MCS using the MCS index and an MCS table and perform a demodulation, wherein the PDSCH demodulation unit selects a particular MCS table from a plurality of MCS tables in accordance with the C-RNTI information used in the decoding.

Abstract: Provided are a base-station apparatus, a terminal apparatus, and a communication method that make it possible to realize a LTE-A system which, while suppressing interference from an existing system, improves throughput by applying CA to an unlicensed band. The base-station apparatus of the invention is included in a communication system, in which a first communication scheme applied to a frequency band that is able to be used exclusively is applied to a frequency band that is not able to be used exclusively, transmits a resource reservation signal which reserves the frequency band that is not able to be used exclusively to the frequency band that is not able to be used exclusively based on a second communication scheme different from the first communication scheme, and applies the first communication scheme to the frequency band that is not able to be used exclusively after transmitting the resource reservation signal.

Abstract: More efficient control and stably establishing, securing, and continuing communication using unlicensed bands, in use of the unlicensed bands.

Abstract: An electric commerce support system that an introducer does not have to specialized knowledge and further that an orderer can comfortably order an/a article/service is provided. In an electric commerce support system, a smartphone operated by the orderer and an electric commerce support server are connected to each other via the Internet. Firstly, the orderer reads article/service identification information from a two-dimensional bar code displayed on a flier using the smartphone to order the article/service. Secondly, the orderer becomes an introducer and further operates the smartphone to display a two-dimensional bar code showing the ordered article/service based on order history. Thirdly, a new orderer operating another smartphone reads the two-dimensional bar code to place order therefor to the electric commerce support server. Upon the new orderer has placed the order, the electric commerce support server gives a reward to the introducer.