Abstract: Disclosed is an information processing system including: an information processor installed on a roadside, and a communication antenna installed on the roadside, wherein the information processor includes: a vehicle information acquisition unit to acquire vehicle information relating to one or more vehicles to be assisted located in a coverage area covered by the communication antenna, a transmit data generation unit to generate transmit data based on the vehicle information acquired by the vehicle information acquisition unit, and a data sending unit to send the transmit data generated by the transmit data generation unit to the vehicle to be assisted via the communication antenna, and the transmit data includes at least one of vehicle position information indicating the position of the vehicle to be assisted, and drive control information.

Abstract: An antenna unit used by being attached to window glass for a building includes a radiating element, a wave directing member arranged on an outdoor side with respect to the radiating element, and a conductor arranged on an indoor side with respect to the radiating element, wherein where a distance between the radiating element and the wave directing member is denoted as a, and where a relative permittivity of a medium constituted by a dielectric member between the radiating element and the wave directing member is denoted as ?r, the distance a is (2.11×?r?1.82) mm or more.

Abstract: Provided is an electromagnetic wave transparent body, in which reflection of electromagnetic waves can be suppressed. An electromagnetic wave transparent body according to one embodiment satisfies the following formulas: (n1?0.3)×(C0/(4×f×?(?r1)))?d1?(n1+0.3)×(C0/(4×f×?(?r1))); d2=n2×C0/(4×f×?(?r2)); d3=n3×C0/(4×f×?(?r3)); 0?n2?2; 0<n3?3; (((n3?)cos?+(n2?a2)sin?)/a3)2+((?(n3?1)sin?+(n2?a2)cos?)/a4)2?1; (((n3?3)cos?+(n2?a2)sin?)/a3)2+((?(n3?3)sin?+(n2?a2)cos?)/a4)2?1; ?=?38°; a2=1; a3=1.2; and a4=0.6, where d1 is a total thickness of a main substrate; d2 is a thickness of an intermediate layer; d3 is a thickness of a matching layer; C0 is a speed of electromagnetic wave in air; f is a frequency of electromagnetic wave; and n1 is an even number from 2 to 20.

Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate. A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.

Abstract: To provide a hardly visible imaging device. An imaging device, which comprises an imaging unit installed inside a window glass of a building, capturing images of outside of the window glass through the window glass, and a fixing part fixing the imaging unit toward the window glass.

Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate. A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.

Abstract: Provided is an antenna device that can be used in the quasi-millimeter wave band or millimeter wave band, and can suppress cracking of a window glass even when the antenna device is installed so as to face the window glass. The antenna device is configured to be connected to a digital control unit via a plurality of wires including a first wire and a second wire, the antenna device including: an array antenna; an analog beamformer; a frequency upconverter; and a frequency downconverter, wherein an intermediate-frequency signal that is input to the frequency upconverter is input from the digital control unit to the antenna device via the first wire, an intermediate-frequency signal that is output from the frequency downconverter is output to the digital control unit via the second wire, and a control signal for controlling the analog beamformer is input from the digital control unit to the antenna device.

Abstract: An antenna unit to be used by being installed so as to face window glass for a building includes a radiating element, a phase control member situated on an exterior-side with reference to the radiating element and configured to control a phase of an electromagnetic wave radiated from the radiating element, and a conductor situated on an interior-side with reference to the radiating element, wherein the phase control member is a member including a dielectric and a plurality of conductor portions.

Abstract: To provide an antenna set capable of forming a communication area which achieves a relatively high throughput. An antenna set comprising a group of antenna units transmitting streams by distributed MIMO, wherein the group of antenna units has a first antenna unit facing a window glass attached to a building, and a second antenna unit disposed at a distance from the first antenna unit.

Abstract: An antenna unit includes a dielectric layer through which visible light transmits, a first conductor layer, a pseudo layer, and a second conductor layer provided separately from the first conductor layer. At least part of the pseudo layer is disposed around the second conductor layer in a plan view. The inequality |n1?n2|/N?1.09×10?1 holds where n1 and n2 (n1 and n2 are integers equal to or larger than zero) are N-level gradation values (N is a natural number) in a case where a first region that exists without overlapping the second conductor layer in the pseudo layer and a second region that exists without overlapping the pseudo layer in the second conductor layer, respectively, in the plan view are read at a resolution of 400 dpi.

Abstract: An antenna unit used by being attached to window glass for a building includes a radiating element, a wave directing member arranged on an outdoor side with respect to the radiating element, and a conductor arranged on an indoor side with respect to the radiating element, wherein where a distance between the radiating element and the wave directing member is denoted as a, and where a relative permittivity of a medium constituted by a dielectric member between the radiating element and the wave directing member is denoted as ?r, the distance a is (2.11×?r?1.82) mm or more.

Abstract: To suppress downward radiation of electromagnetic waves from an antenna unit. An antenna unit to be used by being installed so as to face a window glass for a building, the antenna unit comprising a plurality of array antennas, wherein each of the plurality of array antennas has a plurality of radiating elements and at least one conductor situated on an interior side relative to the plurality of radiating elements, and where the effective wavelength of the plurality of array antennas at the operation frequency is A, and an integer of 0 or more is n, the distance from the center of the upper radiating element among the plurality of radiating elements to the upper edge of the conductor in the up-and-down direction is (0.5+n)A±0.22A, as seen in a plan view of the antenna unit.

Abstract: An antenna unit used by being attached to window glass for a building includes a radiating element, a wave directing member arranged on an outdoor side with respect to the radiating element, and a conductor arranged on an indoor side with respect to the radiating element, wherein where a distance between the radiating element and the wave directing member is denoted as a, and where a relative permittivity of a medium constituted by a dielectric member between the radiating element and the wave directing member is denoted as ?r, the distance a is (2.11×?r?1.82) mm or more.

Abstract: An antenna unit to be used by being installed so as to face window glass of a building, the antenna unit including a radiating element, a reflective member configured to reflect electromagnetic waves radiated from the radiating element toward outside of the building, and a support unit configured to removably support the reflective member. An antenna unit attachment method includes installing an antenna unit so as to face window glass for a building, the antenna unit having a radiating element and a support unit, and supporting a reflective member that reflects electromagnetic waves radiated from the radiating element by the support unit on an outdoor side relative to the radiating element.

Abstract: An antenna device includes an array antenna configured to radiate a radio wave. The array antenna includes at least four radiating elements arranged substantially parallel to a beam scanning plane of the radio wave. The at least four radiating elements are arranged substantially parallel to a first principal surface of window glass for a building, with the antenna device arranged such that the array antenna is arranged at the first principal surface of the window glass in a non-contact manner and such that the radio wave is radiated toward a second principal surface of the window glass opposite from the first principal surface.

Abstract: To provide a hardly visible imaging device. An imaging device, which comprises an imaging unit installed inside a window glass of a building, capturing images of outside of the window glass through the window glass, and a fixing part fixing the imaging unit toward the window glass.

Abstract: Low latency of driving assistance is realized in a state where process load on a processor mounted in a vehicle is reduced. Disclosed is an information processing system, which comprises: an information processor installed on a roadside, and a communication antenna installed on the roadside, wherein the information processor comprises: a vehicle information acquisition unit to acquire vehicle information relating to one or more vehicles to be assisted located in a coverage area covered by the communication antenna, a transmit data generation unit to generate transmit data based on the vehicle information acquired by the vehicle information acquisition unit, and a data sending unit to send the transmit data generated by the transmit data generation unit to the vehicle to be assisted via the communication antenna, and the transmit data includes at least one of vehicle position information indicating the position of the vehicle to be assisted, and drive control information.

Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate. A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.

Abstract: To provide a glass plate for a window material and a window comprising the glass plate, which are less likely to be a barrier to radio transmitting/receiving in use of a radio-utilizing apparatus, and a radio communication apparatus comprising the glass plate. A glass plate having a radio transmittance of at least 20% at a frequency of 100 GHz as calculated as 18 mm thickness, a window comprising the glass plate, and a radio communication apparatus comprising the glass plate.

Abstract: To provide an antenna set capable of forming a communication area which achieves a relatively high throughput. An antenna set comprising a group of antenna units transmitting streams by distributed MIMO, wherein the group of antenna units has a first antenna unit facing a window glass attached to a building, and a second antenna unit disposed at a distance from the first antenna unit.