Abstract: A solar cell includes a photoelectric converter having a p-type surface and an n-type surface on a principal surface, a p-side conductor, a p-side Sn layer, an n-side conductor, an n-side Sn layer, a p-side seed layer between the p-type surface and p-side conductor, an n-side seed layer between the n-type surface and n-side conductor, a p-side metal layer covering the p-side seed layer and including metal different from metal of the p-side seed layer, and an n-side metal layer covering the n-side seed layer and including metal different from metal of the n-side seed layer. The diffusion coefficient of copper with respect to the p-side metal layer is less than the diffusion coefficient of copper with respect to a p-side Sn layer. The diffusion coefficient of copper with respect to the n-side metal layer is less than the diffusion coefficient of copper with respect to an n-side Sn layer.

Abstract: A radio communication system includes user equipment, a call control apparatus, and a plurality of communication apparatuses, wherein each communication apparatus belongs to one of a plurality of groups, wherein the user equipment transmits, to the call control apparatus, a first access request signal including a group specifying information for specifying one group and a communication destination identifier, wherein the call control apparatus transmits, to the communication apparatus belonging to the one group specified by the group specifying information, a second access request signal including the communication destination identifier, and wherein the communication apparatus establishes a communication path between a communication destination indicated by the communication destination identifier included in the second access request signal and the user equipment.

Abstract: A solar cell includes a photoelectric converter having a p-type surface and an n-type surface on a principal surface, a p-side conductor, a p-side Sn layer, an n-side conductor, an n-side Sn layer, a p-side seed layer between the p-type surface and p-side conductor, an n-side seed layer between the n-type surface and n-side conductor, a p-side metal layer covering the p-side seed layer and including metal different from metal of the p-side seed layer, and an n-side metal layer covering the n-side seed layer and including metal different from metal of the n-side seed layer. The diffusion coefficient of copper with respect to the p-side metal layer is less than the diffusion coefficient of copper with respect to a p-side Sn layer. The diffusion coefficient of copper with respect to the n-side metal layer is less than the diffusion coefficient of copper with respect to an n-side Sn layer.

Abstract: In a communication system (1) according to this embodiment, an MME (30) selects an SGW-C (60) transmitting and receiving control signals using a control plane that is a route for transmitting the control signals for the communication service used by a UE (10), from among a plurality of gateways, on the basis of a required condition of the communication service used by the UE (10). In addition, the selected SGW-C (60) selects an SGW-U (70) transmitting and receiving user signals using a user plane that is a route for transmitting the user signals for the communication service, on the basis of the required condition of the communication service used by the UE (10).

Abstract: According to one example of an embodiment of the present invention, a solar cell is provided with an n-type crystalline silicon wafer; a first passivation layer, which is formed on the light receiving surface of the n-type crystalline silicon wafer, and which is configured by having, as a main component, silicon oxide, silicon carbide, or silicon nitride; an n-type crystalline silicon layer formed on the first passivation layer; a second passivation layer formed on the rear surface of the n-type crystalline silicon wafer; and a p-type amorphous silicon layer formed on the second passivation layer.

Abstract: The invention provides a mobile communication system, a network node, and a mobile communication method, which can cause user equipment of a particular type to attach to a dedicated network regardless of whether or not the user equipment supports a low access priority indicator (LAPI). An MME (60) acquires subscriber information on UE (10) from an HSS (70) based on an attachment request from the UE (10) forwarded by an eNB (50), the subscriber information including availability for the UE (10) to use the dedicated network, and sends the eNB (50) a selection instruction to select the dedicated network based on the acquired subscriber information. When the eNB (50) receives the selection instruction from the MME (60), the eNB (50) determines a dedicated MME (60D) constituting the dedicated network, and transmits the attachment request from the UE (10) to the determined dedicated MME (60D).

Abstract: A switching equipment in a radio communication system including the switching equipment configured to communicate with a user equipment and a control server configured to manage the user equipment includes: a receiver unit configured to receive an extended idle-mode discontinuous reception parameter for setting in the user equipment from the control server; and a transmitter unit configured to transmit the received extended idle-mode discontinuous reception parameter to the user equipment.

Abstract: A mobility management switching center is for communicating with user equipment of a communication system that supports LTE or 3G, the mobility management switching center including a receiver that receives a session management signal from the user equipment; and a transmitter that transmits, when the session management signal is received, a restriction signal for instructing not to transmit a new session management signal to the user equipment.

Abstract: The invention provides a mobile communication system, a network node, and a mobile communication method, which can cause user equipment of a particular type to attach to a dedicated network regardless of whether or not the user equipment supports a low access priority indicator (LAPI). An MME (60) acquires subscriber information on UE (10) from an HSS (70) based on an attachment request from the UE (10) forwarded by an eNB (50) the subscriber information including availability for the UE (10) to use the dedicated network, and sends the eNB (50) a selection instruction to select the dedicated network based on the acquired subscriber information. When the eNB (50) receives the selection instruction from the MME (60), the eNB (50) determines a dedicated MME (60D) constituting the dedicated network, and transmits the attachment request from the UE (10) to the determined dedicated MME (60D).

Abstract: A solar cell includes a photoelectric conversion unit, where a first conductive-type layer and a second conductive-type layer are arranged alternately on a main surface of the semiconductor substrate, and an electrode layer provided on the first conductive-type layer and the second conductive-type layer. The photoelectric conversion unit has a plurality of sub-cells. The electrode layer has a first electrode, provided on the first conductive-type layer included in a sub-cell at one end of the sub-cells, a second electrode, provided on the second conductive-type layer included in a sub-cell at the other end of the sub-cells, and a sub-electrode provided across two adjacent sub-cells. A sub-cell, where the first electrode is provided, has a larger area of the main surface than that of a sub-cell where the second electrode is provided.

Abstract: A solar cell includes a photoelectric conversion element that is formed by planate disposing, on an n-type single crystal Si substrate, an n layer that is an n-type amorphous semiconductor layer, and a player that is a p-type amorphous semiconductor layer, a transparent conductive film layer that is formed on the n layer and the p layer, and an electrode layer formed on the transparent conductive film layer. The density of the transparent conductive film layer, the density being on the n layer side and the p layer side, is lower than that on the electrode layer side.

Abstract: A solar cell includes a substrate with a textured surface and a transparent conductive film formed on the textured surface that includes indium oxide containing hydrogen and cerium, and wherein X-ray diffraction peaks in an orientation in a (400) plane, measured by an X-ray diffraction method, range from 2?-diffraction angles of no less than 35.31° and no greater than 35.41°, and half-widths of no less than 0.10° and no greater than 0.30°, where ? is an x-ray diffraction angle.

Abstract: A transparent conductive film includes indium oxide containing hydrogen and cerium and having a substantially polycrystalline structure, in which specific resistance of the transparent conductive film is no greater than 3.4×10?4?·cm and the carrier mobility is no less than 70 cm2/Vs.

Abstract: A solar cell includes a crystalline semiconductor substrate having one of a p-type and an n-type material, a p-type semiconductor layer formed on a first principal surface of the substrate, a first transparent conductive film comprising indium oxide containing hydrogen and cerium and formed on the p-type semiconductor layer, an n-type semiconductor layer formed on a second principal surface of the substrate, and a second transparent conductive film comprising indium oxide containing no cerium and formed on the n-type semiconductor layer.

Abstract: A solar cell comprises a photoelectric conversion body configured to generate photogenerated carriers upon receiving light; a first transparent conductive film formed on a first major surface of the photoelectric conversion body; and a second transparent conductive film formed on a second major surface provided on an side opposite to the first major surface, wherein the first major surface is formed by an n-type semiconductor layer, the second major surface is formed by a p-type semiconductor layer, and a hydrogen atom content of a part of the first transparent conductive film on a side close to the n-type semiconductor layer is lower than a hydrogen atom content of the second transparent conductive film.