Abstract: Embodiments of the present invention provide a method and device for reducing complexity of channel quantization.

Abstract: The present disclosure relates to a high-temperature retarder suitable for oil and gas well cementation, a preparation method thereof and a cementing slurry.

Abstract: The present disclosure is directed to a semiconductor device and a manufacturing method therefor. In one implementations, a method includes: providing a semiconductor structure, where the semiconductor structure includes: a substrate, and a first fin and a second fin spaced on the substrate; depositing a first interlayer dielectric layer on the semiconductor structure; performing first partial etching on the first interlayer dielectric layer to expose a top of the first fin; after the top of the first fin is exposed, removing a part of the first fin to form a first groove; epitaxially growing a first electrode in the first groove; performing second partial etching on the first interlayer dielectric layer to expose a top of the second fin; after the top of the second fin is exposed, removing a part of the second fin to form a second groove, where the second groove is separated from the first groove; and epitaxially growing a second electrode in the second groove.

Abstract: Information sending, information determining and relationship determining methods and devices are provided. According to the information sending method, a base station sends M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set includes quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by a terminal to acquire a large-scale characteristic of a channel; and when M>1, the base station indicates, via a physical-layer control signaling, parameter set selection information of a subframe on which the physical-layer control signaling is sent.

Abstract: An ESD protection device includes a substrate structure having a substrate, first and second fins, and first and second doped regions having different conductivity types. The first doped region includes a first portion of the substrate and a first region of the first fin, the second doped region includes a second portion of the substrate, a second region of the first fin adjacent to the first region and the second fin. The ESD device also includes a first gate structure on a surface portion of the first region and on an entire surface of the second region of the first fin and including, from bottom to top, an interface layer on the surface portion of the first region and the surface portion of the second region of the first fin, a spacer, a high-k dielectric layer, a first work-function adjusting layer, a second work-function adjusting layer, and a gate.

Abstract: A semiconductor device is provided. The semiconductor device includes a base substrate; a first dielectric layer on the base substrate; a target gate structure in the first dielectric layer and on the base substrate. The target gate structure includes a target structure body and a target spacer wall on sidewalls of the target gate structure body. The semiconductor device further includes a protective layer on a top surface of the target gate structure, in the first dielectric layer. The semiconductor device further includes conductive plugs in the first dielectric layer on sides of the target gate structure and the protective layer.

Abstract: In the field of data storage, a metadata query method and an apparatus are disclosed, to improve metadata searching efficiency. The method is applied to a linked snapshot, and includes: receiving a metadata query request; obtaining a first time sequence identifier from the first snapshot volume based on the volume identifier of the first snapshot volume; querying historical index information based on the data block identifier and the first time sequence identifier; and when the data block identifier exists, and the first time sequence identifier falls within a corresponding query time sequence interval, obtaining a corresponding target volume identifier from the historical index information, and obtaining, from a second snapshot volume indicated by the target volume identifier, address metadata corresponding to the data block identifier (304).

Abstract: A front cover assembly includes a frame, a cover glass, and a waterproof glue. The frame has a receiving cavity. The cover glass is partially received in the frame. The cover glass has a lateral face facing the frame. The cover glass has a step portion located at the lateral face. A first gap is defined between a first face of the step portion of the cover glass and a first wall of the frame, and a second gap is defined between a second face of the step portion of the cover glass and a second wall of the frame. A waterproof glue fills the first and second gaps. The first and second faces of the step portion from an obtuse angle therebetween, which faces the first and second walls of the frame. The present disclosure also relates to a terminal.

Abstract: A method for feeding back a HARQ result includes that: a mapping relationship between each downlink carrier group and each uplink carrier group is determined; a target manner for acquiring a target uplink carrier from the each uplink carrier group is determined; and the mapping relationship and the target manner are sent to the terminal to enable the terminal to feed back a target HARQ result through the target uplink carrier after determining the target uplink carrier in a present uplink carrier group according to the target manner.

Abstract: The present disclosure relates to a software handling device and a server system. The software handling device comprises a processor and a transceiver, wherein the transceiver is configured to transmit various requests and to receive various verifications and encryption keys to and from a server system. The server system comprises an authentication server, a licensing server and a software application server, wherein the server system is configured to receive various requests and to transmit various verifications and encryption keys from and to a software handling device. Furthermore, the present disclosure also relates to corresponding methods, a computer program, and a computer program product.

Abstract: The multi-operating system device comprises a processor, a transceiver, and an output device. The processor is configured to host a first operating system in the foreground and a second operating system (OS2) in the background, or vice versa. The output device is configured to be controlled by an OS hosted in the foreground. The transceiver is configured to receive a S1 from a notification device over a communication system, the S1 indicating a notification associated to the OS2. The output device further is configured to output the notification associated to the second OS2 when the OS1 is hosted in the foreground.

Abstract: A semiconductor structure is provided. The semiconductor structure comprises a substrate, including isolation regions and a device region between adjacent isolation regions; a plurality of fin structures, formed on the device region of the substrate; and an isolation layer, formed on the substrate. A top surface of the isolation layer is lower than top surfaces of the fin structures. A height of each fin structure exposed by the isolation layer is identical.

Abstract: In order that a user can perform a random access procedure suitable for a case where a usage band is limited to a frequency block that is a part of a system band, a user terminal according to one aspect of the present invention is a user terminal with a usage band limited to a frequency block that is a part of a system band, including a transmission section that transmits a random access signal with repetition, a reception section that receives a response signal to the random access signal with repetition, and a control section that detects a repetition number of the response signal, in which the reception section receives information for detection of the repetition number of the response signal and the control section detects the repetition number of the response signal based on a repetition level of the random access signal and the information for detection.

Abstract: Aspects of the disclosure relate to a method of operating a scheduled entity for wireless communication. In some aspects, the scheduled entity detects a fluctuation in a beam strength of at least one transmit beam from a scheduling entity. The scheduled entity transmits a first message to the scheduling entity, the first message indicating at least the fluctuation in the beam strength of the at least one transmit beam from the scheduling entity.

Abstract: Embodiments of the present application disclose a clear channel assessment (CCA) method, an information receiving method, and apparatuses thereof. The CCA method comprises: sending downlink information on a first carrier, wherein the downlink information comprises first indication information, and the first indication information is used to indicate that at least one part of at least one symbol of at least one subframe is idle; and performing CCA on at least one neighboring carrier of the first carrier in at least a time of the at least one part that is idle. According to the methods and the apparatuses in the embodiments of the present application, a part of channel resources can be reserved when downlink information is transmitted on a carrier, so as to prevent interference caused by local leakage of the carrier to CCA on a neighboring carrier, thereby preventing CCA blocking between carriers.

Abstract: The present disclosure provides a method and device for configuring a channel state information reference signal (CSI-RS), and a method and device for parsing CSI-RS. The configuration method includes: configuring configuration information of the CSI-RS by a base station; generating a signaling carrying the configuration information of the CSI-RS by the base station; and transmitting the signaling by the base station. The configuration information includes at least one of: a number of CSI-RS ports, a number K of components of a pilot resource pattern, a number N of ports of the components of the pilot resource pattern, and a CSI-RS port-numbering mode, where the CSI-RS port-numbering mode is selected from M candidate port-numbering modes, and M, K, and N are positive integers.

Abstract: A semiconductor structure, a method for fabricating the semiconductor structure, and a static random access memory are provided. The method includes providing a base substrate including a substrate and a plurality of discrete fins on the substrate. The substrate includes a pass gate transistor region. The method also includes forming a gate structure across a length portion of each fin, covering top and sidewall surfaces of each fin, and on each fin. Further, the method includes forming pass gate doped regions in the fin on both sides of the gate structure in the pass gate transistor region. At least one of the pass gate doped regions is formed by performing an ion-doped non-epitaxial layer process on the fin.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may use a measurement procedure for beam detection within an existing cell. The UE perform a search procedure for a first synchronization signal block (SSB) to detect a first beam of a base station. The UE may determine a first timing offset for the first SSB based on the search procedure. The UE may estimate a second timing offset for a second SSB from the base station based on the first timing offset. The UE may perform a measurement procedure for the second SSB to detect a second beam of the base station based on the second timing offset. The UE may prune fake beams based on synchronization signals used for the measurement procedure.