Abstract: An IGBT and a manufacturing method therefor, wherein a target region in the IGBT is doped with first ions; the target region comprises at least one of a P-type substrate (11), a P-type well region (13), and a P-type source region (14); and the diffusion coefficient of the first ions is greater than the diffusion coefficients of boron ions. A PN junction formed by means of the present invention is a gradual junction, thereby improving breakdown voltage, shortening turn-off time, and improving anti-latch capability.

Abstract: A session establishment method, including: determining, by an electronic device, Relay Service Code (RSC) information; and determining, based on the RSC information, parameter information used to establish a relay session. An electronic device and a non-transitory storage medium are further provided.

Abstract: An ultrasonic transducer (200) includes: a piezoelectric vibrator assembly (10), an acoustic matching layer (20), a heat sink (30), and an acoustic absorption layer (40). The heat sink (30) comprises a body (31), and a head portion (32) and a tail portion (33). The body (31) has a central axis extending in a direction from the head portion (32) to the tail portion (33). A surface of the tail portion (33) of the heat sink (30) disposed away from the head portion (32) is a first surface (331). The first surface (331) is an oblique surface or a tapered surface. The angle between the first surface (331) and the central axis is an acute angle. The acoustic absorption layer (40) at least covers the first surface (331).

Abstract: Implementations of the present disclosure provide a method and apparatus for managing an MBS service, a terminal device and a network device. The method includes: a terminal device receives a first command sent by a network device, the first command being used for deactivating at least one MBS service and/or activating at least one MBS service; and according to the first command, the terminal device deactivates the at least one MBS service and/or activates the at least one MBS service.

Abstract: Provided are a method for selecting a relay device, a remote device and a relay device. The method includes: a relay device sending a first message to a remote device, herein the first message is used for indicating a relay mode which can be provided by the relay device; and the remote device selecting a first relay device from among at least one relay device on the basis of a relay mode to which the remote device can adapt, and a relay mode which can be provided by the at least one relay device, herein the first relay device is used for realizing communication between the remote device and a network device, and the relay mode which can be provided by the first relay device matches the relay mode to which the remote device can adapt.

Abstract: A wireless communication method and device are provided. The method includes: receiving, by a terminal device, first indication information indicating that the terminal device and a first Public Land Mobile Network (PLMN) are capable of interworking with each other. With the first indication information, the terminal device and the first PLMN can interwork with each other. That is, with the first indication information, the terminal device can access an IMS in the first PLMN. It is possible to not only enable the terminal device in an NPN to be connected to the IMS, but also avoid separate deployment of the IMS in the NPN, such that the network deployment cost and system complexity can be reduced.

Abstract: An information processing method is provided. The method comprises: reporting UE policy information corresponding to at least one network identifier to a network side, wherein the at least one network identifier is a network identifier corresponding to part of UE policy information currently stored in the terminal device.

Abstract: Provided are session processing method, device, and computer storage medium. The method includes performing at least one of a first type transmission, a first type handover process on the PDU session, or the data stream in the PDU session. The first type of transmission includes at least one of the network side and the terminal side perform data copy type transmission on the data packet through multiple paths, or perform the first priority transmission on the data packet. The first priority transmission refers to that the transmitted data stream corresponds to a set of specific QoS parameters. The first type of handover process includes before the air interface data radio bearer is handover from the first base station to the second base station. The second core network element completes the establishment of a first path with the first base station and the establishment of a second path with the second base station.

Abstract: A method for preserving aquatic products at sea includes the following steps: an on-board refrigeration system is used to refrigerate the antifreeze solution, and the antifreeze solution is used as a main cold source, and temperatures at centers of fish bodies drop rapidly to achieve rapid cooling and reduce activity of endogenous enzymes and inhibit proliferation of microorganisms by direct or indirect heat exchange with captured catches. The antifreeze solution contains edible alcohol, propylene glycol, glycerol, calcium chloride, sodium chloride, amino acids, Antarctic krill protein hydrolysate with average molecular weight of 50-100 KDa, surfactant and water, and the mass percentage of each component is as follows: edible alcohol 15%-30%, propylene glycol 10%-30%, glycerol 2%-15%, calcium chloride 1%-10%, sodium chloride 3%-10%, amino acid 0.1%-0.15%, Antarctic krill protein hydrolysate 0.01%-0.3%, surfactant 0.005%-0.5%, and the balance is water.

Abstract: The embodiments of the disclosure relate a method for determining a state of a terminal device, a terminal device and an access network device. The method includes that: a terminal device receives configuration information from an access network device, the configuration information being configured to instruct the terminal device to enter an inactive state; and the terminal device determines whether to enter a power saving mode under the inactive state, a radio frequency module of the terminal device in the power saving mode being off. According to the method for determining a state of a terminal device, terminal device and access network device of the embodiments of the disclosure, the terminal device under the inactive state may enter the power saving mode, and power consumption of the terminal device is further reduced.

Abstract: An information transmission method and apparatus are provided. The method comprises: a first node sends a first data packet to a second node, the first data packet carrying at least one of the following information: first identifier information, first sequence number information, and first timestamp information, wherein the first identifier information is used for instructing the second node returns a second data packet after receiving the first data packet; the first sequence number information is used for identifying the first data packet; and the first timestamp information is used for instructing the first node to send time information of the first data packet.

Abstract: Provided in embodiments of the disclosure are a method and apparatus for cell selection or reselection, and a terminal. The method includes that: a terminal performs cell selection or cell reselection based on first information, the first information being Non-Public Network (NPN) related information.

Abstract: Embodiments relate to a paging optimization method and a network device. The method comprises: receiving a paging message sent by a core network device, the paging message carrying current paging cell information and/or information for determining the current paging cell; and performing paging according to the paging message. Paging optimization can be achieved, and paging failure caused by the change of the current cell is avoided.

Abstract: A configurable semiconductor device (“CSD”) is organized in four (4) quadrants able to perform user-defined logic functions via a clock fabric. The first quadrant, in one embodiment, includes a first serializer and deserializer (“SerDes”) region and a bank0 region for data processing. The second quadrant includes a second SerDes region and a bank5 region and the third quadrant contains a bank3 region and a bank4 region. The fourth quadrant includes a bank1 region and a bank2 region. The clock fabric is configured to provide a set of programmable or selectable clock signals with different clock speeds to various regions within the CSD.

Abstract: A method for service identification is provided. The method includes receiving a PC5 service of quality (QoS) rule from a peer terminal device, where the PC5 QoS rule includes a service filter and service information. The method further includes determining a service corresponding to received data by performing matching on the received data by using the service filter.

Abstract: A method and apparatus for terminal connection are provided. The method includes the following. A first message is transmitted to a second terminal, where the first message is forwarded to a third terminal by the second terminal. A second message forwarded by the second terminal is received, where the second message is generated by the third terminal for a first terminal according to the first message. A connection is established with the third terminal according to the second message.

Abstract: Provided are a relay communication method and device. A remote user equipment can select a relay device on the basis of a selected PLMN, such that only different PLMNs with relay protocols can relay services to each other, thereby optimizing relay communication. The relay communication method comprises: a remote device selecting a target PLMN; and the remote device selecting a target relay device according to the target PLMN.

Abstract: Embodiments of the present application provide a method link switching and a communication device. The method comprises: a first terminal communicates with a network by means of an air interface direct link; and if the first terminal detects that the link quality of the air interface direct link becomes poor or receives indication information of a network side, the first terminal triggers establishment of a relay link, and switches from the air interface direct link to the relay link.

Abstract: An insulated gate bipolar transistor and a fabrication method therefor, wherein the fabrication method for the insulated gate bipolar transistor comprises the following steps: implanting hydrogen ions, arsenic ions, or nitrogen ions into a substrate from a back surface of the insulated gate bipolar transistor so as to form an n-type heavily doped layer (202) of a reverse conduction diode, the reverse conduction diode being a reverse conduction diode built into the insulated gate bipolar transistor. The described fabrication method and the obtained insulated gate bipolar transistor from a recombination center in an n+ junction of the reverse conduction diode, thereby accelerating the reverse recovery speed of the built-in reverse conduction diode, shortening the reverse recovery time thereof, and improving the performance of the insulated gate bipolar transistor.

Abstract: A device for rapidly preparing ?-Si3N4 by gas-solid reaction and a method thereof, and relates to the technical field of recycling and reuse of waste fine silicon powder. The bottom of a stock bin communicates with a first opening and closing passage, a first connection passage, and the top of a first transitional bin; the bottom of the first transitional bin communicates with the first opening and closing passage, a second connection passage, and the top of a reaction bin; the bottom of the reaction bin communicates with a second opening and closing passage, the first connection passage, and the top of a second transitional bin; the bottom of the second transitional bin communicates with the top of a conveying passage through the first opening and closing passage; a material outlet of the conveying bin communicates with the collection bin.