Abstract: Embodiments of the present disclosure provide a radio frame transmission method, including: receiving a radio frame, and determining that the radio frame is a radio frame of a specified type and/or that the radio frame carries indication information indicating that reusing of the radio frame by a third party is disallowed, and maintaining a physical carrier channel detection state to be busy until the radio frame ends. Embodiments of the present disclosure further provide a wireless transmission apparatus and a computer storage medium.

Abstract: Disclosed is a network access method, including that a station receives a first radio frame from a first access point, where the first radio frame indicates a resource unit for a random-access operation; and when the sending address of the first radio frame is a public identity or a private identity, the station performs the random-access operation. Also disclosed are a network access apparatus and a storage medium.

Abstract: Provided are a method for implementing an automatic retransmission function and a related station. The method includes that a first station sends a first message. The first message carries automatic retransmission enable information. The automatic retransmission enable information is used for instructing that the automatic retransmission function be enabled or disabled.

Abstract: This application relates to apparatus and methods for automatically determining and providing item advertisements, such as for display on a website. In some examples, a computing device obtains a prioritized list of item advertisements for each of a plurality of item categories. The computing device also obtains an item category for each of a plurality of positions of a display interface. Each item category may correspond to one or more of the plurality of item categories. Further, the computing device determines, for each position of the plurality of positions of the display interface, an item advertisement based on the item category for the position and the prioritized list of item advertisements. The computing device generates display interface position data identifying the item advertisement determined for each position of the plurality of positions of the display interface. The computing device transmits the display interface position data to a web server.

Abstract: A control information transmission method includes that: a first station sends a wireless signal including control information, where the control information is used for instructing a specified second station in a sleep state to perform one or more of following operations: state update, sleep mode transition, leaving the sleep state, and an operation after leaving the sleep state. A secondary module of the second station receives and decodes a wake-up signal to obtain control information and identity identifier information, and sends the control information and the identity identifier information to a control module; and the control module of the second station determines, according to the identity identifier information, whether the second station is a target second station of the wake-up signal, and parses and completes an operation indicated in the control information.

Abstract: Methods, apparatus, and systems for coordinating joint transmissions among multiple access points are described. In one example aspect, a wireless communication method includes receiving, by a communication device, a first frame from a master access point or a first intermediate communication device. The first frame indicates a joint transmission to be performed by multiple access points. The first frame includes a scheduling information for a secondary access point to perform the joint transmission and an indicator directing the communication device to forward the scheduling information. The method also includes transmitting, by the communication device, a second frame to the secondary access point or a second intermediate communication device. The second frame includes the scheduling information for the secondary access point to perform the joint transmission.

Abstract: Disclosed is a method for configuring radio transmission and reception parameters. The method includes: configuring, by a station, a transmission module by using a first parameter set and transmitting a first radio frame, where the first radio frame has a second parameter set; and configuring, by the station, a reception module by using the second parameter set and receiving a second radio frame triggered by the first radio frame. Also disclosed are an apparatus and system for configuring radio transmission and reception parameters.

Abstract: Provided are a method and apparatus for transmitting a data frame and a storage medium. The method for transmitting a data frame includes that a sender adds a hybrid automatic repeat request (HARQ)-related field into the data frame and that the sender transmits the data frame with the added HARQ-related field to a receiver. The HARQ-related field includes a HARQ indication field and an identity identification field, the HARQ indication field indicates whether the data frame is required to be processed according to a HARQ process, and the identity identification field indicates an identity identification of a target receiver of the data frame.

Abstract: Provided are a wireless data communication method and device, a storage medium and an electronic device. The method includes: performing an interleaving operation on first elements in a first data set and second elements in a second data set, wherein the interleaving operation includes: arranging the first elements and the second elements such that there is exchange of data between at least a part of the first elements and at least a part of the second elements, the first data set belongs to a first frequency band, the second data set belongs to a second frequency band, and there is at least one second frequency band.

Abstract: Methods, apparatus and systems for performing channel measurement in a multi-beam wireless communication are disclosed. In one embodiment, a method performed by a wireless communication node is disclosed. The method comprises: transmitting a channel measurement frame based on a plurality of beams to a wireless communication device through a channel between the wireless communication node and the wireless communication device; and receiving a feedback frame from the wireless communication device. The channel measurement frame comprises a training sequence including a plurality of repetitive segments. Each of the plurality of repetitive segments is transmitted based on a respective one of the plurality of beams. The feedback frame comprises channel information of the channel with respect to at least one beam of the plurality of beams.

Abstract: The present disclosure provides a method and system for predicting building energy consumption based on a Holt-Winters and an extreme learning machine, the method including: constructing a building simulation model based on actual operation parameters of a building to obtain an original energy consumption data set of the building; decomposing the original energy consumption data set to obtain a linear energy consumption data set and a nonlinear energy consumption data set; performing prediction on the linear energy consumption data set by using a trained Holt-Winters model to obtain a linear energy consumption prediction result; and inputting the nonlinear energy consumption data set, the original energy consumption data set, and the linear energy consumption prediction result into a trained extreme learning machine model to output a building energy consumption prediction value of the building simulation model.

Abstract: Introduced are a data transmission method, apparatus and device based on a modulation signal and a storage medium. The method includes steps as follows: calculating a first amplitude-modulated sine wave signal and a second amplitude-modulated sine wave signal with each preset frequency individually; based on the first amplitude-modulated sine wave signal and the second amplitude-modulated sine wave signal with the each preset frequency and according to a preset mapping rule, mapping a sequence of data bits to be sent into a signal sequence; and processing the signal sequence to generate a transmittable radio-frequency signal, and sending the transmittable radio-frequency signal to a receiving end.

Abstract: A method and a device for transmitting or receiving scheduling information are described. In the method for transmitting scheduling information, information about a scheduling result of resources to be occupied by one or more User Equipment (UEs) is acquired; and scheduling information including a first type of scheduling information and a second type of scheduling information is transmitted to the one or more UEs according to the information about the scheduling result. The first type of scheduling information includes information for parsing the second type of scheduling information, and the scheduling information determines a resource scheduling condition of the user.

Abstract: A system on chip, an access command routing method, and a terminal are disclosed. The system on chip includes an IP core and a bus. The IP core is configured to: obtain, based on an access address corresponding to an access command, an address range configuration identifier corresponding to the access address; and transmit the access command and the address range configuration identifier to the bus, where the address range configuration identifier is used by the bus to route the access command. The bus is configured to route the access command to a system cache or an external memory based on the address range configuration identifier.

Abstract: Provided are a transmission method, apparatus and system and a computer-readable storage medium. The transmission method includes creating an automatic repeat request process for a first packet; setting a lifetime for the automatic repeat request process; and sending the first packet. The lifetime is set for the automatic repeat request process so that the automatic repeat request process can be removed in time. In this manner, in the case where a limited number of automatic repeat request processes are simultaneously supported, a new automatic repeat request process can be created for a newly transmitted packet in time, and thus the transmission efficiency is improved.

Abstract: Methods and devices are provided for facilitating wireless communication. In one exemplary aspect, a method for a terminal device is provided. The method includes receiving access resource information at a first frequency band, wherein the access resource information indicates an access resource available for accessing a network device in a second frequency band; and performing a network access operation using the access resource at the second frequency band.

Abstract: There is provided a dot sight device including a housing being configured to have an open front and an open rear, and a light path connecting a user with a target along a central axis of the light path disposed therein. A dot reticle generating unit generates a plurality of light rays for forming a dot reticle. A reflective mirror reflects the light rays provided from the dot reticle generating unit toward the user to form an image on a target side. A compensating plate is disposed along the light path of the housing together with the reflective mirror and passes through the light rays coming from the target to be directed toward the user. The compensating plate is configured to suppress or minimize one or more movements of the image of the target caused by one or more movements of the dot sight device.

Abstract: Provided are a wireless network access method and apparatus. The method includes: in a wireless network supporting a plurality of channel access approaches, using an access point to maintain a status of a traffic-stream-based or station-based traffic connection with a station; and using the access point to negotiate with the station or transmit control information to the station and to change a channel access approach used by the traffic-stream-based or station-based traffic connection.

Abstract: A snow shovel that has a shaft, a handle, and a scoop to allow the user to remove unwanted snow and ice from a surface. This shovel includes a heated bottom edge with a vibrating motor to melt and dislodge ice or snow from a surface. The shovel also includes a vibration-reducing mechanism to dampen the vibrations that a user might feel during the use of this shovel, along with sensors that detect when the heated edge and motor should be turned on or off.

Abstract: A method and system for obtaining a design scheme of a collaboratively optimized integrated energy system which resolves a problem of independent optimization failure caused by multi-device and multi-condition, structure complexity and diversity, and strong coupling of multi-energy flow operation. The method includes: determining types and a quantity of candidate devices, and taking a total quantity as a system scale during optimization; determining a quantity and types of variables using a unified model representing the integrated energy system as a chain structure; performing simulation by using a chain operating mode to obtain operating data, and solving variables to obtain a ranking result of the devices in the chain structure, by using a structure order, installed capacity, and control parameters of the devices as variables, and by using primary energy consumption, energy supply costs, and carbon emission as objectives; and obtaining a system design result according to the solving result.