Abstract: A wiring module includes: a sheet which is a member extending planarly and including an easy-fracture part sectioning the sheet into a plurality of areas and capable of dividing the sheet into the areas; and a transmission member including one of or both a power line supplying an electrical power to at least one apparatus provided in one or more of the plurality of areas and a signal line enabling communication with the apparatus, wherein, in a case where the transmission member is disposed over at least two areas, a part of a middle portion of the transmission member in relation to an end portion connected to the apparatus is fixed to a first area in the two areas, and the transmission member is laid without being fixed to a second area in the two areas.

Abstract: A wiring module includes: a functional sheet disposed between a roof panel forming a roof part of a vehicle and an interior member forming a ceiling shape of a vehicle interior to planarly extend over the roof panel and the interior member; and a transmission member provided on the functional sheet, wherein the functional sheet includes a frequency selective layer having a frequency selective function of shielding radio wave of a first frequency band and passing radio wave of a second frequency band different from the first frequency band, the transmission member is electrically connected to a vehicle-side apparatus mounted to a side of the vehicle, and the transmission member is formed to extend to a position where the transmission member can perform a power supply to or communication with a roof-side apparatus mounted to the roof part in the functional sheet.

Abstract: A wiring module includes: a sheet which is a member extending planarly and including an easy-fracture part sectioning the sheet into a plurality of areas and capable of dividing the sheet into the areas; and a transmission member including one of or both a power line supplying an electrical power to at least one apparatus provided in one or the plurality of areas and a signal line enabling communication with the apparatus, wherein in a case where the transmission member is disposed over at least two areas, a part of a middle portion of the transmission member in relation to an end portion connected to the apparatus is fixed to a first area in the two areas, and the transmission member is laid without being fixed to a second area in the two areas.

Abstract: A wiring module includes: a functional sheet disposed between a roof panel forming a roof part of a vehicle and an interior member forming a ceiling shape of a vehicle interior to planarly extend over the roof panel and the interior member; an antenna provided on the functional sheet; and a transmission member formed on the functional sheet, wherein the functional sheet includes a layer having at least one of a heat insulation function, an acoustic insulation function, and a radio wave shielding function, and the transmission member electrically connects an in-vehicle apparatus mounted to the vehicle and the antenna.

Abstract: A wiring module includes: a functional sheet disposed between a roof panel forming a roof part of a vehicle and an interior member forming a ceiling shape of a vehicle interior to planarly extend over the roof panel and the interior member; and a transmission member provided on the functional sheet, wherein the functional sheet includes a layer having at least one of a heat insulation function, an acoustic insulation function, and a radio wave shielding function, the transmission member is electrically connected to a vehicle-side apparatus mounted to a side of the vehicle, and the transmission member is formed to extend to a position where the transmission member can perform a power supply to or communication with a roof-side apparatus mounted to the roof part in the functional sheet.

Abstract: Provided is a vehicle-mounted communication apparatus. The vehicle-mounted communication apparatus includes a connection portion to which an external antenna is connected, and that performs wireless communication with a portable device via the external antenna connected to the connection portion, the vehicle-mounted communication apparatus including: a built-in antenna that is built into the apparatus; a detection unit that detects a connection state of the external antenna; and a switching portion that switches the antenna used for wireless communication with the portable device from the external antenna to the built-in antenna when disconnection of the external antenna is detected by the detection unit.

Abstract: A power line communication system is provided in which the influence of the impulsive noise unexpectedly generated on a power line which is a communication medium can be reduced according to the characteristics of the impulsive noise by an existing method and power line communication can be realized without a hindrance. A transmitter is constituted by: a modulator for conveying a LIN data signal by a power line; a filter that allows a signal of a predetermined band to pass therethrough; and a sinusoidal wave outputter (sinusoidal wave in the figure). In contrast, the receiver is constituted by the sinusoidal wave outputter, the filter and a demodulator that performs demodulation. To the power line, a limiter that limits the amplitude of the propagating signal to a predetermined amplitude (reception signal amplitude) is connected.

Abstract: For voltage values (observed noise sequence) in an electronic power line (communication medium) which are obtained at a predetermined interval, initial values of noise characteristics based on a statistic of the observed noise sequence itself are decided by a moment method (S301 to S307), the noise characteristics (state transition probabilities and state noise power) for maximization of the likelihood of the observed noise sequence are obtained from the initial values by MAP (Maximum A Posteriori) estimation using a Baum-Welch algorithm (S309 to S312), a state sequence is estimated from the obtained noise characteristics, and an impulsive noise at each time point is detected.

Abstract: For voltage values (observed noise sequence) in an electronic power line (communication medium) which are obtained at a predetermined interval, initial values of noise characteristics based on a statistic of the observed noise sequence itself are decided by a moment method (S301 to S307), the noise characteristics (state transition probabilities and state noise power) for maximization of the likelihood of the observed noise sequence are obtained from the initial values by MAP (Maximum A Posteriori) estimation using a Baum-Welch algorithm (S309 to S312), a state sequence is estimated from the obtained noise characteristics, and an impulsive noise at each time point is detected.

Abstract: For voltage values (observed noise sequence) in an electronic power line (communication medium) which are obtained at a predetermined interval, initial values of noise characteristics based on a statistic of the observed noise sequence itself are decided by a moment method (S301 to S307), the noise characteristics (state transition probabilities and state noise power) for maximization of the likelihood of the observed noise sequence are obtained from the initial values by MAP (Maximum A Posteriori) estimation using a Baum-Welch algorithm (S309 to S312), a state sequence is estimated from the obtained noise characteristics, and an impulsive noise at each time point is detected.

Abstract: A power line communication system is provided in which the influence of the impulsive noise unexpectedly generated on a power line which is a communication medium can be reduced according to the characteristics of the impulsive noise by an existing method and power line communication can be realized without a hindrance. A transmitter is constituted by: a modulator for conveying a LIN data signal by a power line; a filter that allows a signal of a predetermined band to pass therethrough; and a sinusoidal wave outputter (sinusoidal wave in the figure). In contrast, the receiver is constituted by the sinusoidal wave outputter, the filter and a demodulator that performs demodulation. To the power line, a limiter that limits the amplitude of the propagating signal to a predetermined amplitude (reception signal amplitude) is connected.

Abstract: A GW device for relaying data sent and received between a plurality of ECUs mounted in a vehicle stores data sent from the respective ECUs in a database and then timely sends the data. The database is stored in a time series in association with time information, and copies of database at a plurality of time points are sent to a central device at predetermined time intervals, or at the time of detection of occurrence of a problem.

Abstract: Plural electronic control units (ECUs) are connected to each other by an electric power line that is for supplying electric power. Each ECU sends information with a carrier wave having a first frequency lower than a dip frequency estimated by the physical condition and the circuit structure of electric power line, or having a second frequency lower than the first frequency. Or, the physical condition and the circuit structure of electric power line are determined, on the contrary, to make the dip frequency become higher than the frequency of utilized carrier wave. The frequency utilized for sending information may be selected in accordance with the contents of information.

Abstract: Plural ECUs are connected to each other by an electric power line that is for supplying electric power. Each ECU sends information with a carrier wave having a first frequency lower than a dip frequency estimated by the physical condition and the circuit structure of electric power line, or having a second frequency lower than the first frequency. Or, the physical condition and the circuit structure of electric power line are determined, on the contrary, to make the dip frequency become higher than the frequency of utilized carrier wave. The frequency utilized for sending information may be selected in accordance with the contents of information.

Abstract: For voltage values (observed noise sequence) in an electronic power line (communication medium) which are obtained at a predetermined interval, initial values of noise characteristics based on a statistic of the observed noise sequence itself are decided by a moment method (S301 to S307), the noise characteristics (state transition probabilities and state noise power) for maximization of the likelihood of the observed noise sequence are obtained from the initial values by MAP (Maximum A Posteriori) estimation using a Baum-Welch algorithm (S309 to S312), a state sequence is estimated from the obtained noise characteristics, and an impulsive noise at each time point is detected.

Abstract: A GW device for relaying data sent and received between a plurality of ECUs mounted in a vehicle stores data sent from the respective ECUs in a database and then timely sends the data. The database is stored in a time series in association with time information, and copies of database at a plurality of time points are sent to a central device at predetermined time intervals, or at the time of detection of occurrence of a problem.