Abstract: A central access network unit comprising a processor configured to assign a plurality of upstream training blocks from an upstream OFDM symbol to a plurality of downstream network units, wherein the OFDM symbol comprises a plurality of pilot subcarriers equally spaced across an upstream RF spectrum in a pre-determined time interval, and wherein each upstream training block comprises a different subset of the pilot subcarriers that are non-consecutive and situated across the upstream RF spectrum, and generate one or more messages comprising assignments of the upstream training blocks, and a transmitter coupled to the processor and configured to transmit the messages to the plurality of downstream network units via a network, wherein the messages instruct at least one of the plurality of downstream network units to transmit a modulated pre-determined sequence at the pilot subcarriers corresponding to the upstream training block assigned to the downstream network unit.

Abstract: A circuit for avoiding channel interference, including a Wireless Fidelity (Wi-Fi) chip and at least one first single-pole multi-throw switch, where a movable end of the first single-pole multi-throw switch is connected to a signal transmit pin of the Wi-Fi chip; one non-movable end of the first single-pole multi-throw switch is connected to a first signal transmit tributary while another is connected to a second signal transmit tributary; and when the Wi-Fi chip determines that a first channel and a second channel interfere with each other, the movable end of the first single-pole multi-throw switch is controlled to connect to the second non-movable end of the first single-pole multi-throw switch, where the first channel is a wireless local area network channel, and the second channel is different from the wireless local area network channel.

Abstract: The invention provides a method of preparing a new recombinant antibacterial polypeptide medicine, which primarily relates to liquid culture medium formula suitable for large-scale production of the antibacterial polypeptide, as well as optimization of the enlarged culture parameters.

Abstract: A bit holder includes a body having a shank at its rearward end and a socket formed at its forward end to allow a tool bit to be inserted therein, a sleeve slidably disposed on the body, a collar detachably coupled to the sleeve, and a first magnet member disposed at a forward side of the collar to magnetize a fastener and retain the fastener engaged to the tool bit. The collar defines a through-hole to allow the tool bit to pass through, a forward groove for receiving the first magnet member, and a rearward groove for coupling the sleeve. The through-hole is disposed between the forward groove and the rearward groove.

Abstract: The present invention discloses a data transmission method, apparatus, and system, which are used to reduce a delay of user uplink data and improve network performance in an HFC network. The method includes: determining, by a cable modem termination system physical layer CMTS PHY layer according to uplink resource assignment information configured by a cable modem termination system Media Access Control layer CMTS MAC layer separately for each cable modem CM of multiple CMs, a time slice that needs to be occupied when uplink data sent from a CM connected to the CMTS PHY layer, is forwarded to the CMTS MAC layer; and forwarding, by the CMTS PHY layer to the CMTS MAC layer on the determined time slice, the received uplink data that is sent, by using the uplink resource assignment information configured by the CMTS MAC layer, by the CM connected to the CMTS PHY layer.

Abstract: An uplink signal scheduling method, a processing device, and a system. The method includes when uplink signals sent by at least one transmit device are received, preprocessing the uplink signals, to generate a data over cable service interface specification (DOCSIS) frame, where the DOCSIS frame includes at least two uplink signals, and each uplink signal of the at least two uplink signals corresponds to one uplink wavelength, and when it is detected that a signal conflict exists in the DOCSIS frame, creating at least two signal groups according to the uplink signals, and allocating, to the at least two signal groups, uplink signals that have a same uplink wavelength and cause the signal conflict, and performing scheduling on the uplink signals according to the signal groups that have undergone allocation.

Abstract: A training resource allocation method and apparatus includes obtaining a training resource block through division for a frequency band within a resource allocation period, determining user equipment eligible to occupy the training resource block, where the user equipment are corresponding to an uplink data time-frequency resource already allocated to the frequency band, and determining, according to at least one of a duration for which user equipment occupies the frequency band within the resource allocation period and a duration of user equipment band from a previous time of occupation of a training resource block in the frequency, from the user equipment eligible to occupy the training resource block, user equipment that occupies the training resource block, and allocating the training resource block to the user equipment.

Abstract: A circuit for avoiding channel interference, including a Wireless Fidelity (Wi-Fi) chip and at least one first single-pole multi-throw switch, where a movable end of the first single-pole multi-throw switch is connected to a signal transmit pin of the Wi-Fi chip; one non-movable end of the first single-pole multi-throw switch is connected to a first signal transmit tributary while another is connected to a second signal transmit tributary; and when the Wi-Fi chip determines that a first channel and a second channel interfere with each other, the movable end of the first single-pole multi-throw switch is controlled to connect to the second non-movable end of the first single-pole multi-throw switch, where the first channel is a wireless local area network channel, and the second channel is different from the wireless local area network channel.

Abstract: The present invention provides a laundry processing apparatus (100), which includes: a laundry processing drum (22), used for holding laundry for processing; a driving system (30), used for driving the laundry processing drum (22) to process the held laundry; and a power control system (10), at least used for providing power of a grid for the driving system (30), where the power control system (10) includes an electrical storage device (11). Through the setting, when external grid power outage occur or the fluctuation of the voltage is excessively large, the power control system may switch a power storage device to supply power to the laundry processing apparatus, thereby eliminating the influence on the apparatus caused by unstable voltage of power transmitted by the grid or grid power outage, and avoiding the trouble brought to a user.

Abstract: A bit accessory for a bit has a sleeve with an accommodating cavity running through the sleeve and a limiting member with a limiting hole running through the limiting member. The sleeve includes a first stopping portion for stopping the limiting member from passing through the accommodating cavity and the limiting member includes a first hole wall portion forming a first hole wall which provides the limiting hole with a minimum hole diameter and a second hole wall portion forming a second hole wall which provides the limiting hole with a maximum hole diameter. The limiting member is at least partly accommodated in the accommodating cavity, and a direction which the limiting hole runs through the limiting member is parallel to the accommodating cavity when the limiting member is stopped by the first stopping portion.

Abstract: Embodiments of the present disclosure provide an FEC coding and decoding method and device, and a system. A transmit end determines a forward error correction FEC coding type according to a length of to-be-coded data in burst data, and performs coding according to the determined FEC coding type. A receive end determines a forward error correction FEC decoding type according to a length of to-be-decoded data in burst data, and performs decoding according to the determined FEC decoding type. The FEC coding and decoding method provided in the embodiments of the present disclosure improves utilization of a communication resource is improved, and saves a communication resource.

Abstract: A data cache method, device, and system in a multi-node system are provided. The method includes: dividing a cache area of a cache medium into multiple sub-areas, where each sub-area is corresponding to a node in the system; dividing each of the sub-areas into a thread cache area and a global cache area; when a process reads a file, detecting a read frequency of the file; when the read frequency of the file is greater than a first threshold and the size of the file does not exceed a second threshold, caching the file in the thread cache area; or when the read frequency of the file is greater than the first threshold and the size of the file exceeds the second threshold, caching the file in the global cache area. Thus overheads of remote access of a system are reduced, and I/O performance of the system is improved.

Abstract: A method for managing a processor includes: obtaining an online request of a processor of a computer system; collecting lock contention information of the computer system if a lock contention status flag indicates a non-lock thrashing status; determining whether the computer system is in a lock thrashing status according to the lock contention information; and accepting the online request if it is determined that the computer system is in a non-lock thrashing status. By using the management method according to embodiments of the present application, processor performance degradation and a waste of idle processor resources that are caused by the case that the computer system is in a lock thrashing status are prevented, thereby improving utilization efficiency of processor resources and promoting overall performance of the computer system.

Abstract: A working component for mating with multiple shaft ends includes a body portion and a clamping portion which is connected to the body portion and suitable for mounting the working component to the shaft ends. The body portion has a work piece processing area for acting on the work piece to be processed and the clamping portion has a mounting hole with a longitudinal axis Y. The clamping portion includes a support portion and a mating portion which are overlapped along the direction of the longitudinal axis Y.

Abstract: The present disclosure provides an electronic device having a USB interface and a method for starting USB communication with such an electronic device, so as to solve the problem of a risk of damaging a mobile phone terminal device arising from sharing of an interface by a charger and a USB communication cable in the related art. In the electronic device, a port GPIO of a baseband chip is connected to a pin USB_VBUS of a USB interface of the baseband chip; based on this circuit, a power management chip detects a state of plugging-in-or-pulling-out of the charger and generates a corresponding interrupt request; and the baseband chip controls the GPIO to output a corresponding level according to the interrupt request. By connecting the port GPIO and the pin USB_VBUS and controlling an output level of GPIO with a software, a high level or a low level (as a triggering signal for starting or terminating the USB communication) is input to the pin USB_VBUS, thus avoiding damage to the device.

Abstract: A method and an apparatus for managing one or more physical network interface cards and a physical host are provided. One or more virtual network interface cards are created, where each of the virtual network interface cards has a standard network interface card feature and an operation interface; the one or more virtual network interface cards are separately associated with one or more function modules of the physical network interface cards; and the physical network interface cards are managed by managing the one or more virtual network interface cards. In this way, differences in underlying hardware are shielded for an upper layer, and convenient and efficient centralized management are provided, thereby further improving network resource utilization.

Abstract: A registration method includes acquiring, by a second CIMOM, parameters of a CIM provider from a first CIMOM by using information of a namespace to which a device to be configured belongs or device information of the device to be configured. The second CIMOM obtains identification information of the CIM provider in the parameters of the CIM provider through matching according to the device information or model information of the device to be configured. The second CIMOM acquires the CIM provider from the first CIMOM by using the obtained identification information of the CIM provider, and registering the CIM provider.

Abstract: A working component for mating with multiple shaft ends includes a body portion and a clamping portion which is connected to the body portion and suitable for mounting the working component to the shaft ends. The body portion has a work piece processing area for acting on the work piece to be processed and the clamping portion has a mounting hole with a longitudinal axis Y. The clamping portion includes a support portion and a mating portion which is provided with a plurality of projections which extend in a radial direction vertical to the longitudinal axis Y and which are distributed alternately.

Abstract: The present invention provides a network interface adapter registration method, driver, and server, where the method includes: registering, by a driver of a server, a network interface adapter with a kernel of the server as a physical network device; and registering, by the driver, apart of or all hardware queue receiving and sending groups of the network interface adapter with the kernel of the server as virtual network devices, where the physical network device is configured to manage the network interface adapter and all the virtual network devices, and each of the virtual network devices is configured to receive or send data of an application or a chip in the server. The foregoing method resolves a problem in the prior art that management and a direct operation cannot be performed on a single hardware queue of the network interface adapter.