Abstract: The device of processing data based on the radio frequency identification includes: a receiving antenna used to receive a first radio frequency signal; a first front-end module electrically connected to the receiving antenna, wherein the first front-end module is used to receive and amplify the first radio frequency signal; a first radio frequency integrated circuit electrically connected to the first front-end module, wherein the first radio frequency integrated circuit is used to demodulate the amplified first radio frequency signal sent by the first front-end module to obtain a first baseband signal; and a baseband chip electrically connected to the first radio frequency integrated circuit, wherein the baseband chip is used to receive the first baseband signal, decode the first baseband signal, and output a data processing result. The present disclosure further provides an office device, an office method, an office apparatus, a storage medium and a program product.

Abstract: The present application discloses audio mixing methods and related apparatuses. An example method includes: receiving at least one piece of indication information from at least one audio source device, where the at least one piece of indication information corresponds to at least one audio stream generated by the at least one audio source device. The method further includes determining an audio mixing weight of the at least one audio stream based on the at least one piece of indication information.

Abstract: A method may include: A first node obtains network topology configuration information, where the network topology configuration information includes a node identity, a node type, and network topology information; the first node receives a first message, where the first message includes a node identity of a second node; obtains network configuration information of the second node based on the network topology configuration information; and sends a second message, where the second message includes the network configuration information of the second node, where the network configuration information of the second node indicates: a node type of the second node, an adjacent node of the second node, and a node type of the adjacent node of the second node. The network configuration information of the second node is used to configure an adjacency relationship of the second node, so that the second node obtains the adjacency relationship thereof.

Abstract: An antenna includes a first feed layer, a second feed layer and a radiation structure layer stacked; the first feed layer includes a first dielectric substrate and a micro-strip line structure stacked; multiple first conductive patches in a first conductive structure are electrically connected to a reference ground structure through an electrical connection structure on the second dielectric substrate; the reference ground structure is provided with a first slot, multiple first conductive patches are symmetrically arranged with respect to a first centerline, and the first centerline is a centerline of the first slot extending along the second direction; the radiation structure layer includes a third dielectric substrate and a second conductive structure stacked, multiple second conductive patches in the second conductive structure are symmetrically disposed with respect to the first centerline, any one of the second conductive patches is provided with at least one second slot.

Abstract: A first device sends a first packet including a first data stream and a sampling time sequence of the first data stream to a second device, and sends a second packet including a second data stream and a sampling time sequence of the second data stream to a third device, the first packet and the second packet correspond to a first communication protocol, and the sampling time sequence of the first data stream and the sampling time sequence of the second data stream are time sequences; and the first device sends third packets corresponding to a second communication protocol to the second device and the third device, where the third packet includes a first time stamp indicating device time information of the first device, and a second time stamp indicating a time sequence value corresponding to the system clock of the codec.

Abstract: A communication method and apparatus are provided. The method includes: A first device initiates, to a second device, a request for starting data transmission from the first device to the second device; the second device performs an acknowledgment reply to the request; and the first device may transmit data to the second device when the first device does not send an acknowledgment response for the acknowledgment reply to the second device. According to this application, unidirectional data transmission can be independently controlled, and data transmission efficiency can be improved.

Abstract: An ultra wide band antenna structure and an electronic device. The ultra wide band antenna structure includes: a dielectric substrate; an antenna structure, located on a side of the dielectric substrate; the antenna structure includes a radiation patch and a feeder line; and a ground layer, located on a side of the dielectric substrate facing away from the antenna structure; the radiation patch has a first hollowed-out slit, and a length of the first hollowed-out slit is related to ?/2; and ? represents a wave length in a frequency band of a needed notch wave.

Abstract: An antenna structure includes a substrate, a ground layer, a radiation patch, a first feed structure, and a second feed structure. The radiation patch, the first feed structure, and the second feed structure are located on a first surface of the substrate, and the ground layer is located on a second surface of the substrate. The first surface and the second surface are two surfaces of the substrate facing away from each other. The radiation patch has a slotted structure. In a first direction, the first feed structure and the second feed structure are symmetrically located on both sides of the radiation patch.

Abstract: An address conflict detection method and apparatus are provided. The method includes: A first node sends a first message, where the first message includes a target network address field, an address type field, and a target system identifier field, the target network address field indicates a first network address, the address type field indicates a first address type corresponding to the first network address, the first address type is one of a plurality of address types, and the target system identifier field indicates identification information of a node for which the first network address is configured. The first node receives a second message from a second node, where the second message indicates whether an address conflict exists in the first network address.

Abstract: A packet sending and receiving method and an apparatus are provided. The method includes: a source node sends a first packet, where a packet header of the first packet carries a network address of a first intermediate node accessed by a destination node, and a routing header of the first packet carries a network address of the destination node; and after the node receives the first packet, if a network address of the node is not the network address of the first intermediate node, the node sends the first packet; or if a network address of the node is the network address of the first intermediate node, the node updates a destination address in the packet header of the first packet based on the network address of the destination node carried in the routing header, and sends an updated first packet.

Abstract: A method for establishing a resource reservation path, a communication method, and an apparatus are provided. The communication method includes: A source node sends a data packet, where a packet header of the data packet includes a topology identifier field, the topology identifier field indicates a type of a forwarding path corresponding to the data packet, the type includes a first type and a second type, and quality of service of a first forwarding path corresponding to the first type is higher than quality of service of a second forwarding path corresponding to the second type; and a receive end of the data packet forwards the data packet based on the topology identifier field in the data packet. The first forwarding path is a resource reservation path or referred to as a reservation path.

Abstract: In one example communication method, a first node obtains logical channel information corresponding to a preset QoS parameter, where the logical channel information is used to establish a logical transmission channel between the first node and a second node, the second node is a neighboring node of the first node, and the logical transmission channel is used to provide QoS guarantee for a packet corresponding to the preset QoS parameter. The first node receives a first packet sent by the second node, where the first packet includes at least one of an SLNA of the second node or an L2ID of an interface of the second node. The first node performs communication at a network layer with the second node based on the logical channel information, the SLNA of the second node, and the L2ID of the interface of the second node.

Abstract: A method includes generating a first packet, where a first field in the first packet indicates that a type of the first packet is a first type or a second type, the first type corresponds to normal reliable broadcast, and the second type corresponds to improved reliable broadcast; or the first type corresponds to normal reliable multicast, and the second type corresponds to improved reliable multicast; and sending the first packet to a first device.

Abstract: A metal mesh includes: first metal lines (11) and second metal lines (12) extending in crossed directions. The first metal lines (11) are arranged side by side in a first direction and extend in a second direction; the second metal lines (12) are arranged side by side in the first direction and extend in a third direction. Each first metal line (11) includes first sub-line segments sequentially connected together in the second direction, and each second metal line (12) includes second sub-line segments sequentially connected together in the third direction. Each first sub-line segment has a midpoint superposing with a midpoint of one of the second sub-line segments, the first and second sub-line segments having superposed midpoints form a crossed structure (10), and define two opposite first angles (?1) and two opposite second angles (?2). Each first angle (?1) is not greater than each second angle (?1).

Abstract: Disclosed are an antenna unit and an electronic device, wherein the antenna unit includes a dielectric substrate, an antenna layer and a ground layer located on both sides of the dielectric substrate; wherein the antenna layer includes a microstrip feed line, a radiation patch and a microstrip coupling line structure located on a side of the microstrip feed line in a first direction, the microstrip coupling line structure comprises a first branch structure, a microstrip coupling line and a second branch structure that are sequentially connected along the first direction, the first branch structure is arranged at intervals with the microstrip feed line, and the ground layer includes a floor groove, wherein there is a first overlapping area between an orthographic projection of the floor groove on the dielectric substrate and an orthographic projection of the microstrip feed line on the dielectric substrate.

Abstract: This application relates to transmission methods and apparatuses as well as related non-transitory computer-readable media. An example method includes receiving first indication information, where the first indication information indicates a first technology stack type corresponding to a first application. The method further includes establishing, based on the first indication information, a transmission channel that is based on the first technology stack type. The method further includes sending or receiving at least one of signaling or data of the first application through the transmission channel.

Abstract: A liquid crystal antenna and a communication device. The liquid crystal antenna includes: a first substrate; a second substrate; a plurality of antenna structures; a grounding electrode located on the side of the second substrate away from the antenna structures; each antenna structure includes a first microstrip line, a second microstrip line, and a liquid crystal layer, the first microstrip line includes first sub-microstrip lines and second sub-microstrip lines connected to the first sub-microstrip lines, the second microstrip line includes third sub-microstrip lines and fourth sub-microstrip lines connected to the third sub-microstrip lines, the first sub-microstrip lines and the third sub-microstrip lines all extend in a first direction and is arranged in a second direction, the orthographic projection of the liquid crystal layer covers at least part of the area of the orthographic projection of the first sub-microstrip lines and the orthographic projection of the plurality of third sub-microstrip lines.

Abstract: An antenna is provided. The antenna includes a ground plate; a dielectric layer on the ground plate; and a microstrip feed line and a radiating patch on a side of the dielectric layer away from the ground plate, the radiating patch being coupled to the microstrip feed line and configured to receive a signal from the microstrip feed line. The radiating patch includes a main body having a parallelogram shape with a first notch truncating a corner of the parallelogram shape, at least a portion of the main body truncated by the first notch having an arc-shaped contour line. The radiating patch further includes a first branch structure.

Abstract: A dual-polarized magnetoelectric dipole antenna, including a reflection plate, electric and magnetic dipoles, where the electric dipole includes four first electrodes; the magnetic dipole includes four second electrodes; the second electrodes are in one-to-one correspondence with the first electrodes, and each second electrode is connected between a corresponding first electrode and the reflection plate; each first electrode includes first and second sides connected to each other; the first side of the first electrode is adjacent to the first side of one adjacent first electrode, and the second side of the first electrode is adjacent to the second side of other one adjacent first electrode; each second electrode includes two sub-electrodes connected to the first and second sides of a corresponding first electrode, respectively; the sub-electrode has a slit opening therein, and an extending direction of the slit opening is parallel to a plane where the reflection plate is located.

Abstract: An antenna is provided. The antenna includes a microstrip feed line, a ground plate, a slot extending through the ground plate, and a radiating plate. The radiating plate is on a side of the ground plate and the slot away from the microstrip feed line. The radiating plate is configured to receive a signal from the microstrip feed line by aperture coupling through the slot. The radiating plate includes a plurality of radiating blocks spaced apart from each other.