Abstract: A MIMO antenna system and a controlling method thereof are provided. The MIMO antenna system includes a first beam configuration device, a second beam configuration device and a controlling device. The first beam configuration device is used for performing an antenna selection procedure on a plurality of antennas to adjust a beam direction. The second beam configuration device is connected to the first beam configuration device. The second beam configuration device is used for performing a phase shifting procedure to adjust a beam coverage. The controlling device is used for controlling the first beam configuration device and the second beam configuration device.

Abstract: A communication system and operating method thereof are provided. The communication system includes an intelligent antenna unit which includes a plurality of antennas, an antenna selecting unit, one or more signal processing units and a control unit. The control unit is configured to: set one or more antenna-sectors from the antennas, each of the antenna-sectors includes one or more antennas selected from the antennas. And set a plurality of antenna-sector configurations, each of the antenna-sector configurations includes one or more sectors configured to the signal processing units, wherein the sectors are selected from the antenna-sectors. The control unit selects one of the antenna-sector configurations to operate communication transmission of a user equipment, and each signal processing unit configured to each sector of the selected antenna-sector configuration operating beam sweeping based on a number of antenna beam deployed to the configured each sector.

Abstract: Techniques for a managing concurrent I/Os in a file system may include receiving a sequence of conflicting I/O lists of write data stored in a cache, the sequence specifying a sequential order in which the I/O lists are to be flushed to a file stored on non-volatile storage; determining a first I/O list of the sequence having a conflict with a second I/O list of the sequence, wherein the conflict between the first I/O list and the second I/O list is a first common block written to by both the first and second I/O lists; and performing first processing that modifies the first I/O list and the second I/O list to remove the conflict.

Abstract: Computerized techniques involve dividing a plurality of entries included in an indirect block of an inode into a plurality of entry groups. Each non-null entry of the plurality of entries has one of a pointer pointing to an associated data block and an identifier specific to a byte pattern of an associated data block. The techniques further involve determining, for an entry group of the plurality of entry groups, whether entries having an identifier in the entry group all have a same predetermined identifier. The techniques further involve in response to determining that the entries having an identifier in the entry group all have the same predetermined identifier, identifying the entry group as recoverable if the indirect block is corrupted. Such techniques improve reliability and performance of a storage system.

Abstract: Techniques manage a hash table, and a computer program product.

Abstract: A communication system and an operating method thereof are provided. The communication system includes at least one user equipment, at least one remote radio head (RRH), a measuring unit, a set determining unit and an antenna selecting unit. The RRH is electrically connected to a plurality of antennas. The measuring unit is for controlling a measurement of a signal strength of the at least one user equipment. The set determining unit is used for selecting one of a plurality of antenna configuration sets according to the signal strength for the at least one user equipment. Each of the antenna configuration sets includes a plurality of antenna configurations. Each of the antenna configurations is composed of P of a plurality of antennas. The antenna selecting unit is used for allocating one of the antenna configurations from the antenna configuration set which is selected for the at least one user equipment.

Abstract: A communication system, a coordinator and a controlling method thereof are provided. The embodiment of the communication system is used for one or more user equipments. The controlling method includes the following steps. A measurement of a plurality of antenna configurations corresponding to the one or more user equipments is controlled to obtain a plurality of performance values. The performance values of the antenna configurations corresponding to the one or more user equipments are recorded. An embodiment of the communication system includes a plurality of Remote Radio Heads, each of which is electronically connected to a plurality of antennas.

Abstract: A communication system, a coordinator and an interference controlling method are provided. The communication system includes at least two user equipments, at least two remote radio heads (RRHs) and the coordinator. Each of the RRHs electrically connects a plurality of antennas. The coordinator includes a scanning unit, a storing unit and a scheduling unit. The scanning unit operates the measurement of a performance of each of the antennas used for each of the user equipments by antenna sweeping. The RRHs are classified into at least one group. The scheduling unit schedules the communication of the user equipments. At least some of the user equipments using the same one of the at least one group are scheduled in different time slots to prevent from interference.

Abstract: A method of switching an operating mode of a wireless sensor includes determining, once a wireless sensor has entered a normal operating mode, whether physiological parameters are detected by the wireless sensor within a predetermined time period; and when no physiological parameters are detected by the wireless sensor within the predetermined time period, automatically controlling the wireless sensor to switch from the normal operating mode into a power saving mode.

Abstract: A non-methane total hydrocarbons analysis apparatus and method are introduced. The analysis apparatus includes a six-pass valve, quantification ring, first stored gas pipe, second stored gas pipe, multi-pass valve, molecular sieve filling pipe, first air source, and detector. The six-pass valve and the multi-pass valve are configured to have a load status bit. A gas under test passes through the molecular sieve to remove non-methane total hydrocarbons such that the treated gas functions as a background gas for filling the first stored gas pipe and the second stored gas pipe. The six-pass valve and the multi-pass valve are configured to have an entered sample status bit such that zero-grade compressed air drives the gas inside the second stored gas pipe, quantification ring, and first stored gas pipe to enter the detector. The background gas inside the second stored gas pipe and the second stored gas pipe provides a baseline.

Abstract: Embodiments of the present disclosure provide a method and device for deduplication. Specifically, the method may comprise obtaining a property of a file stream, the property of a file stream including a file type or a magic number identifying a format of a protocol or a file. The method further includes in response to receiving an I/O request for a data block of the file stream, assigning a deduplication level to the I/O request based on the property of the file stream. Moreover, the method further includes deduplicating the data block of the file stream based on the deduplication level assigned to the I/O request. In addition, a corresponding device and computer program product are provided.

Abstract: A physiological parameter display method may include: controlling the terminal to enter into one of multiple different working modes; obtaining a physiological parameter analysis result corresponding to the current working mode; and presenting corresponding output information according to the received physiological parameter analysis result, wherein the output information includes the received physiological parameter analysis result.

Abstract: A hanger has a body made of nylon, is U-shaped in cross section, and has two ends and two through holes. The two through holes are defined respectively through the two ends of the body.

Abstract: A hanger assembly has a fixing board and a hanging ring. The fixing board has a metal body and a plastic holder. The metal body has at least one through hole defined through the metal body. The plastic holder is disposed on the metal body and has at least one through hole corresponding in position respectively to the at least one through hole in the metal body. The hanging ring is swingingably connected with the fixing board.

Abstract: Embodiments of the present disclosure provide a method and device for a file system log. In some embodiments, there is provided a computer-implemented method. The method comprises: in response to receiving a write request for metadata associated with a first transaction, determining at least one zone associated with the first transaction from a plurality of zones of the metadata, the plurality of zones being formed by striping the metadata; requesting a resource slice for the at least one zone from a resource pool of a logging system; and recording to the resource slice a log that the first transaction modifies the at least one zone.

Abstract: A method for setting modes of data transmission, adapted to the base station device provided. The method includes steps of: receiving a signal quality indicator and a value of interference cancellation capability from a terminal device; obtaining a power difference according to the signal quality indicator by subtracting a reception power of the terminal device from a transmission power of the terminal device; comparing the power difference with the value of interference cancellation capability, and setting the terminal device as a first type terminal device only allowed to apply half duplex transmission or a second type terminal device allowed to apply full duplex transmission according to the comparison result.

Abstract: Implementations include a batch-optimized render and fetch architecture. An example method performed by the architecture includes receiving a request from a batch process to render a web page and initializing a virtual clock and a task list for rendering the web page. The virtual clock stands still when a request for an embedded item is outstanding and when a task is ready to run. The method may also include generating a rendering result for the web page when the virtual clock matches a run time for a stop task in the task list, and providing the rendering result to the batch process. Another example method includes receiving a request from a batch process to render a web page, identifying an embedded item in the web page, and determining, based on a rewrite rule, that the embedded item has content that is duplicative of content for a previously fetched embedded item.

Abstract: In an embodiment, a first region is set according to a preset condition, the first region is a blank region reserved for storing new data of a key-value type. An embodiment method includes: when the new data of the key-value type is to be stored in the first region, receiving a region split command; updating, according to the region split command, a state identifier of the first region and in a state table to an identifier indicating that a read/write service is no longer provided, splitting the first region into at least two second regions, updating state identifiers of the second regions in the state table to identifiers indicating that a read/write service can be provided; and recording, in a metadata table, storage location information of the second regions.

Abstract: The present application provides a data processing method and apparatus. The method includes: when a region in a table of a database system meets a predefined condition, saving data in the region as a data storage file to a storage device, where the data storage file includes time metadata, and the time metadata comprises a region write time of the data in the region; when a condition for triggering a combination operation is met, obtaining a time for performing a backup operation most recently; selecting at least two first data storage files, where a region write time recorded in time metadata included in the at least two first data storage files is before the obtained time; and combining the selected at least two first data storage files, therefore resolving a problem in the prior art that a time consumed for performing a backup operation is long.

Abstract: A data backup method and a data processing system are provided. The method includes: when a quantity of storage files stored in a storage medium meets a preset threshold, acquiring storage files which are stored in the storage medium after a time point, where the time point is a time of previously backing up storage files in the storage medium; combining the storage files after the time point to obtain at least one new storage file; and backing up the at least one new storage file. Therefore, incremental backup is performed on the storage files after the time point.