Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicensed channels in an unlicensed band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.

Abstract: A semiconductor device having cells is provided, with each cell including a gate. The device includes a gate pad, a gate busbar and gate lines. The busbar connects the gate pad to the gate lines, the gate lines connect the gate busbar to the gates of the cells, and each of the gate lines is disposed along a first axis. The gate busbar includes first portions each disposed along a second axis, and the second axis intersects with the first axis. The first portions are spaced apart from each other to divide the semiconductor device into emitter segments. Lengths of the emitter segments along the first axis changes with distances of the segments from the gate pad, so that gate signals arriving at the gates of the cells from the gate pad via the gate busbar and the gate lines are substantially consistent.

Abstract: A semiconductor device having cells is provided, with each cell including a gate. The device includes a gate pad, a gate busbar and gate lines. The busbar connects the gate pad to the gate lines, the gate lines connect the gate busbar to the gates of the cells, and each of the gate lines is disposed along a first axis. The gate busbar includes first portions each disposed along a second axis, and the second axis intersects with the first axis. The first portions are spaced apart from each other to divide the semiconductor device into emitter segments. Lengths of the emitter segments along the first axis changes with distances of the segments from the gate pad, so that gate signals arriving at the gates of the cells from the gate pad via the gate busbar and the gate lines are substantially consistent.

Abstract: A semiconductor device and a manufacturing method thereof is provided. The device includes a semiconductor layer having a first and second surface opposing each other; a trench gate in the semiconductor layer, extends in a first direction parallel to the first and second surface, and from the first surface to an interior of the layer, and has a gate open end distant from the second surface; a source region of a first conductivity type and a channel region of a second conductivity type, orthographic projections of the source region and the channel region on the second surface at least partially overlap with each other in a depth direction of the trench gate, the source region having a source open end distant from the second surface, and the farther the source open end is from the second surface, the smaller a width of the source open end in the second direction.

Abstract: A semiconductor device and a method for manufacturing the same is provided. The semiconductor device includes: a semiconductor body having a first surface and a second surface, the semiconductor body includes: a depletion region, a drift region having a first conductivity type, an island region having the first conductivity type, a buffer region having the first conductivity type, the drift region is more proximal to the first surface of the semiconductor body than the buffer region, the depletion region is located within the drift region, and the island region is located within the drift region, an ion concentration of the first conductivity type of the island region is higher than an ion concentration of the first conductivity type of the drift region.

Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.

Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.

Abstract: Disclosed are an electronic apparatus, an information processing device, and an information processing method. According to one embodiment, an electronic device used for a base station side comprises a processing circuit. The processing circuit is configured to: perform channel detection for a target channel; broadcast, to a user equipment, a resource indication used for uplink transmission based on a result of the channel detection; and receive uplink transmission performed by the user equipment based on the resource indication.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic apparatus for a user equipment side comprises a processing circuit. The processing circuit is configured to carry out control so that a current user equipment receives transmission information sent by another user equipment via an unlicensed frequency band, wherein the destination of the transmission information is a service base station of the current user equipment. The processing circuit is also configured to carry out control so that indication information is sent to the other user equipment, wherein the indication information indicates whether the current user equipment needs to relay the transmission information.

Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.

Abstract: A semiconductor device, and a related module, circuit, and preparation method are disclosed. The device includes an N-type drift layer, a P-type base layer, N-type emitter layers, gates, a field stop layer, a P-type collector layer, and the like. The field stop layer includes a first doped region and a second doped region that are successively stacked on a surface of the N-type drift layer. A particle radius of an impurity in the first doped region is less than a particle radius of an impurity in the second doped region. Doping densities of both the first doped region and the second doped region are higher than a doping density of the N-type drift layer. According to the semiconductor device, a collector-emitter leakage current of an IGBT can be effectively reduced.

Abstract: An insulated gate bipolar field-effect transistor (IGBT) includes a semiconductor chip, a gate pin disposed around the semiconductor chip, and an emitter region and n gate regions that are disposed on the semiconductor chip, where n is an integer greater than or equal to 2; x gate regions in the n gate regions are connected to the gate pin, where x is greater than or equal to 1 and less than or equal to n; when there is a different quantity x of gate regions connected to the gate pin, the IGBT is correspondingly applicable to a scenario in which there is a different switching frequency and a different switching loss; and n?x gate regions in the n gate regions are connected to the emitter region.

Abstract: Disclosed are a wireless communication method and a wireless communication device. The wireless communication device comprises a processing circuit, wherein the processing circuit is configured to: detect broadcast information on a specific subchannel in an unlicensed frequency band; and broadcast time information on the specific subchannel when the broadcast information cannot be successfully detected, wherein the time the occupation of the specific subchannel by the wireless communication device ends can be determined according to the time information.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication device, and a wireless communication method. According to an embodiment, the electronic device for a base station side comprises a processing circuit. The processing circuit is configured to: perform control to perform, on a beam corresponding to a user equipment, channel detection on a target channel, the channel detection being based on a specific beam direction; and determine the access to the target channel according the channel detection result.

Abstract: Disclosed are a radio communication method and a radio communication device. The radio communication device comprises a processing circuit. The processing circuit is configured to: configure different resources respectively for the initial transmission and a retransmission of an uplink transmission; and to generate resource indication information, the resource indication information indicating correlations between different resources and the initial transmission and the retransmission of the uplink transmission. In addition, the processing circuit is configured to identify the resource used by the uplink transmission to determine the number of transmissions of the uplink transmission.

Abstract: Disclosed are an apparatus and method in a wireless communication system, and a computer readable storage medium. The apparatus comprises a processing circuit, the processing circuit being configured to: instruct one or more second base stations to assess an idle channel for an unauthorized frequency band on the basis of position information of the one or more second base stations and position information of a user equipment such that the one or more second base stations control access to the unauthorized frequency band on the basis of information of the assessment result relating to the idle channel. According to at least one aspect of an embodiment of the present disclosure, accessing a channel on an unauthorized frequency band of, for example, 60 GHz on the basis of position information may improve the speed and reliability of channel access.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication device, and a wireless communication method. According to an embodiment, the electronic device for a base station side comprises a processing circuit. The processing circuit is configured to: perform control to perform, on a beam corresponding to a user equipment, channel detection on a target channel, the channel detection being based on a specific beam direction; and determine the access to the target channel according the channel detection result.

Abstract: Provided are an electronic device and a method for wireless communication, and a computer readable storage medium, the electronic device comprising: a processing circuit, configured to: perform periodic channel detection for a plurality of unlicenced channels in an unlicenced band according to a first period; and respectively send master system information blocks MIB having the same content to user devices over at least some of the available unlicensed channels in the unlicensed band indicated by the channel detection results, the MIBs comprising part of the minimum system information.

Abstract: Disclosed are an apparatus and method in a wireless communication system, and a computer readable storage medium. The apparatus comprises a processing circuit, the processing circuit being configured to: instruct one or more second base stations to assess an idle channel for an unauthorized frequency band on the basis of position information of the one or more second base stations and position information of a user equipment such that the one or more second base stations control access to the unauthorized frequency band on the basis of information of the assessment result relating to the idle channel. According to at least one aspect of an embodiment of the present disclosure, accessing a channel on an unauthorized frequency band of, for example, 60 GHz on the basis of position information may improve the speed and reliability of channel access.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic apparatus for a user equipment side comprises a processing circuit. The processing circuit is configured to carry out control so that a current user equipment receives transmission information sent by another user equipment via an unlicensed frequency band, wherein the destination of the transmission information is a service base station of the current user equipment. The processing circuit is also configured to carry out control so that indication information is sent to the other user equipment, wherein the indication information indicates whether the current user equipment needs to relay the transmission information.