Abstract: A base station device (E-UTRAN) assigns a frequency band unsupported by the base station device as a radio resource usable for terminal-to-terminal communication, and transmits resource information for designating the assigned radio resource to a first terminal device and a second terminal device.

Abstract: In a communication system capable of executing terminal-to-terminal communication in which wireless communication is performed directly without an intervention of a base station device between a first terminal device that is in a state in which cellular communication with the base station device can be executed and a second terminal device that is not in the state in which cellular communication with the base station device can be executed, the base station device generates control information necessary for the first terminal device to search for the second terminal device, and transmits the generated control information to the first terminal device.

Abstract: A communication apparatus that communicates with another communication apparatus detects a signal from the other communication apparatus, specifies an amount of a resource used to communicate a predetermined amount of data from the other communication apparatus to the communication apparatus, and transmits, to the other communication apparatus, one predetermined signal corresponding to the specified amount of the resource from a plurality of predetermined signals that are known in the communication apparatus and the other communication apparatus and respectively correspond to different amounts of a resource including at least one of a frequency and time used to communicate the predetermined amount of data.

Abstract: A communication apparatus that communicates with another communication apparatus detects a signal from the other communication apparatus, specifies an amount of a resource used to communicate a predetermined amount of data from the other communication apparatus to the communication apparatus, and transmits, to the other communication apparatus, one predetermined signal corresponding to the specified amount of the resource from a plurality of predetermined signals that are known in the communication apparatus and the other communication apparatus and respectively correspond to different amounts of a resource including at least one of a frequency and time used to communicate the predetermined amount of data.

Abstract: A communication apparatus that communicates with another communication apparatus specifies one predetermined signal from a plurality of predetermined signals that are known in the communication apparatus and the other communication apparatus and respectively correspond to different amounts of a resource including at least one of a frequency and time used to communicate a predetermined amount of data and transmits the one signal to the other communication apparatus using the resource in an amount corresponding to the one predetermined signal. The other communication apparatus receives the transmitted one predetermined signal, thereby specifying the amount of the resource corresponding to the one predetermined signal as the amount of the resource to be used for communication between the communication apparatus and the other communication apparatus.

Abstract: A base station device (E-UTRAN) assigns a frequency band unsupported by the base station device as a radio resource usable for terminal-to-terminal communication, and transmits resource information for designating the assigned radio resource to a first terminal device and a second terminal device.

Abstract: In a communication system capable of executing terminal-to-terminal communication in which wireless communication is performed directly without an intervention of a base station device between a first terminal device that is in a state in which cellular communication with the base station device can be executed and a second terminal device that is not in the state in which cellular communication with the base station device can be executed, the base station device generates control information necessary for the first terminal device to search for the second terminal device, and transmits the generated control information to the first terminal device.

Abstract: A hydrogen purifying apparatus and method are provided for oxidizing and removing carbon monoxide (CO) in a modified gas containing CO in addition to a main component hydrogen gas. The apparatus and method use comprises a catalyst reaction segment having a catalyst layer for oxidizing CO, a material gas supplying segment for supplying the modified gas to the reaction segment via a material gas supply pathway, and an oxidant gas supplying segment for supplying an oxidant gas on the path of the material gas supply pathway. Preferably, the apparatus further comprises means for cooling the catalyst layer at the upstream side and means for heating the catalyst layer at the downstream side.

Abstract: The fuel reforming apparatus according to the present invention comprises a reforming unit having a reforming catalyst for steam-reforming a raw material of a hydrocarbon and a heater for heating the reforming unit to generate a hydrogen gas by heating the reforming unit while supplying the raw material and water to the heated reforming unit. This fuel reforming apparatus can recover the activity of the reforming catalyst by heating the reforming catalyst in a reducing atmosphere and, therefore, the present invention eliminates the need for replacing the poisoned reforming catalyst and makes it possible to recover with ease the decreased activity of the reforming catalyst.

Abstract: The present specification disclosed a hydrogen refinement apparatus comprising a reformed gas feeding part containing at least a hydrogen gas and water vapor, and a reaction chamber equipped with a carbon monoxide shifting catalyst body downstream said reformed gas feeding part, wherein said carbon monoxide shifting catalyst body comprises a carrier supporting Pt, the carrier being composed of at least one metal oxide having a BET specific surface area of 10 m2/g or more, and a method for operating the apparatus. The present invention provides improved heat-resistance of the CO shifting catalyst body, and can operate stably even if the apparatus is activated and stopped repeatedly.

Abstract: A hydrogen generating apparatus having a fuel feeding part, a water feeding part for fuel reforming, an oxidant gas feeding part, a reforming catalyst body, a heating part for the reforming catalyst, a CO shifting catalyst body and a CO purification catalyst body is provided wherein the reforming catalyst body, the CO shifting catalyst body and the CO purification catalyst body are sequentially ordered from the fuel feeding part toward the downstream side, and wherein a shifting catalyst of the shifting catalyst body contains as one component at least a platinum group-type catalyst.

Abstract: The present specification discloses a hydrogen generator for generating a hydrogen gas, comprising at least a fuel supply part for supplying a hydrocarbon type fuel, a fuel combustion part, a water supply part, a gas, mixing part for mixing the fuel and a water, and a reforming part filled with the reforming catalyst, wherein at least one of the gas mixing part and the reforming part is heated by an exhaust gas generated in the combustion part. The hydrogen generator according to the present invention aims to improve the heat efficiency, reducing the heat loss from the apparatus with a simple constitution and collecting the waste heat for an effective use thereof.

Abstract: A hydrogen generating apparatus comprising a reformer, a heating section, a fuel supply section, a water supply section, a shift reactor with a shift catalyst layer, a first heat exchanger on the downstream side of the shift catalyst layer, and a temperature detector for the shift catalyst layer. The temperature of the downstream portion of the shift catalyst layer is raised by the action of the heat exchanger compared with the temperature of the same before the amount of the reformed gas is increased. And, the temperature of the downstream portion is lowered compared with the temperature of the same before the amount of the reformed gas is reduced when reducing the amount of the reformed gas. Accordingly, regardless whether the generation amount of hydrogen is large or small, the hydrogen generating apparatus can supply a constant concentration hydrogen gas while keeping the concentration of byproduct carbon monoxide low.

Abstract: This specification discloses a hydrogen generating apparatus comprising a reformer, a heating section, a fuel supply section, a water supply section, a shift reactor with a shift catalyst layer, a first heat exchanger on the downstream side of the shift catalyst layer, and a temperature detector for the shift catalyst layer. It is the most notable feature of the hydrogen generating apparatus of the present invention that the temperature of the downstream portion of the shift catalyst layer is raised by the action of the heat exchanger compared with the temperature of the same before the amount of the reformed gas is increased. And, the temperature of the downstream portion is lowered compared with the temperature of the same before the amount of the reformed gas is reduced when reducing the amount of the reformed gas.