Abstract: A signal processing method and apparatus, and a communication system, and relates to the field of communication technologies. The method includes: a processing unit of a first device first determines a distortion parameter of an eye pattern of a first PAM-N signal transmitted by a transmitting unit in the first device, then performs anti-distortion preprocessing on a second PAM-N signal using an equalizer based on the distortion parameter, to obtain a third PAM-N signal, and controls the transmitting unit to transmit the third PAM-N signal. The distortion parameter is for reflecting a tilt status of the eye pattern, and N?2. The equalizer is used to perform anti-distortion preprocessing on the second PAM-N signal to obtain the third PAM-N signal.

Abstract: Methods and apparatus are provided for data transmission. A remote device determines a sidelink multicast identifier identifying multicast between the remote device and a plurality of relay devices and sends uplink data to the plurality of relay devices in a multicast manner based on the sidelink multicast identifier. The uplink data is data sent by the remote device to a radio access network device. The remote device determines the sidelink multicast identifier, and sends the sidelink multicast identifier to the relay device to transmit the uplink data to the radio access network device based on multicast communication to improve uplink data transmission efficiency.

Abstract: A method includes: a first IAB node sets up a first RRC connection to a target IAB donor by performing RLF recovery. The first IAB node sends a first message to a second node by using an SRB 1 or an SRB 2 or the first IAB node sends a BH RLF indication to the second node. t The first IAB node sets up an RRC connection to a target IAB donor by performing RLF recovery and the second node is connected to a source IAB donor through the first IAB node. The second node may be triggered to set up an second RRC connection to the target IAB donor based on the first message or the BH RLF indication.

Abstract: This application provides a security authentication method and apparatus applied to Wi-Fi. An access point AP negotiates, based on a password, a pairwise master key PMK with a first device based on a twin base password encrypted key exchange TBPEKE protocol, where the password is a shared key between the AP and the first device; and the AP performs a 4-way handshake with the first device based on the PMK. Therefore, in embodiments of this application, a PMK with a high entropy value can be generated by performing a TBPEKE procedure, so that the security authentication method provided in embodiments of this application can help resist an offline dictionary attack.

Abstract: This disclosure relates to a component of a radio frequency functional device. The component can be a suspended strip line or any structure including the suspended strip line, which includes a cavity and a strip line located in the cavity. The strip line includes a signal processing line, a plurality of power branch lines, and a connector. The signal processing line has one end conducted to a signal source and another end electrically connected to the plurality of power branch lines separately. A first power branch line includes a first segment and a second segment that are disconnected from each other. One end of the first segment is electrically connected to the signal processing line. The second segment is located at one end of the first segment away from the signal processing line. The connector is located between the first segment and the second segment, to implement signal transmission between the first segment and the second segment.

Abstract: Embodiments of this application provide a wireless communication method, an apparatus, and a system. The method includes: obtaining mode information of a second terminal device, where the mode information indicates a resource scheduling manner of the second terminal device; and sending assistance information to the second terminal device based on the mode information, where the assistance information indicates one or more sets of sidelink transmission resources. Based on this solution, it can reduce resource conflicts or resource wastes, and therefore can properly and effectively allocate the sidelink transmission resource. In this way, sidelink communication efficiency can be improved.

Abstract: A call method includes: A first CSCF device receives a first communication message including first call signaling, where an originating party/calling party or a terminating party/called party of the first call signaling is roaming-in user equipment of the first CSCF device; and the first CSCF device enables, based on the first communication message, the first call signaling to be routed to an AS in the roaming area of the roaming-in user equipment, where the AS in the roaming area is an AS that is capable of providing a value-added-to-call service for user equipment and that is in a home area of the first CSCF device.

Abstract: This disclosure provides a radio frequency identification method and system, to improve a radio frequency identification success rate. The method includes: An electronic tag receives an energy signal transmitted by an excitation device via a first frequency band, and receives a control signal transmitted by the excitation device via a second frequency band, where the first frequency band is different from the second frequency band. The electronic tag demodulates the control signal from the second frequency band, and modulates, based on the control signal, description information describing a product to a reflected signal such that the reflected signal is modulated with the description information and has a same frequency band as the first frequency band. The electronic tag transmits the reflected signal to a receiver.

Abstract: Embodiments of this application disclose a communication method and apparatus. The method is applied to an intelligent device, and the intelligent device includes a plurality of sensors. The method includes: determining N target sensors from a plurality of sensors, where N is an integer greater than 1; and correcting respective second moments of the N target sensors to a first moment of a first clock. According to embodiments of this application, time of different sensors in the intelligent device can be synchronized, to ensure accurate fusion of data collected by the different sensors.

Abstract: This application provides a data transmission method, a communication apparatus, and a communication system. The method includes: generating N ciphertext data flows, where a first ciphertext data flow is any one of the N ciphertext data flows, the first ciphertext data flow includes at least two first alignment markers AMs, at least two encryption parameter sets, and at least two ciphertext data segments, one ciphertext data segment and one encryption parameter set are included between every two first AMs, the at least two first AMs are used for data alignment of the N ciphertext data flows; and sending the N ciphertext data flows. The solution may be applied to a physical layer of an optical module or a network device.

Abstract: Embodiments of this application disclose a power control method, and a communication device and system, relating to the field of wireless communication technologies. The method is applied to a first communication apparatus that supports transmission of a plurality of spatial streams. The method includes sending measurement indication information to a second communication apparatus to indicate to the second communication apparatus to perform channel quality measurement on a channel between the first communication apparatus and the second communication apparatus. Each of the plurality of spatial streams occupies a plurality of subbands on the channel. The method further includes receiving a channel quality measurement result fed back by the second communication apparatus, where the channel quality measurement result includes subband measurement information of each subband on the channel.

Abstract: This application provides a display control method and apparatus, and the method includes: separately obtaining first size information of a display screen of an electronic device, second size information of to-be-played multimedia information, and an operation view used to control the multimedia information; determining, based on the first size information and the second size information, a first area that is on the display screen and in which the multimedia information is displayed; and displaying the operation view in a second area other than the first area on the display screen. In the display control method and apparatus provided in this application, a display effect of a picture can be effectively improved.

Abstract: PAPR suppression includes a first clipping module and a second clipping module. The second clipping module outputs, to the first clipping module, a to-be-clipped signal that satisfies an input condition of the first clipping module, where the input condition includes a peak distribution feature of an input signal. The first clipping module performs first clipping processing on the to-be-clipped signal to obtain a first clipped signal. PAPR suppression is performed based on collaboration between the two clipping modules.

Abstract: A temperature detector configured for use in a mobile terminal includes a lens, a collimator hole, and an infrared sensor that are arranged on an optical path. The lens is configured to converge ambient light, and the ambient light includes target area light and another area light. The collimator hole is used to obtain the target area light by screening and block the other area light. That is, the collimator hole screens the incident ambient light, and allows only the target area light to reach the infrared sensor.

Abstract: This application provides a quasi co-location (QCL) indication method and a related device, and may be applied to coordinated multistation transmission. In the method, a terminal receives QCL indication information, where the QCL indication information indicates that time-frequency spread information of a demodulation reference signal (DMRS) is associated with time-frequency spread information of N tracking reference signals (TRSs) (or a TRS corresponding to the DMRS) and that delay-frequency offset information of the DMRS is associated with delay-frequency offset information of M TRSs.

Abstract: A communication network comprises a central processing unit, data ingress ports and data egress ports configured to exchange data with a further network device of the communication network, and a plurality of co-processors that comprises frame normalization co-processors, ingress queuing co-processors, filtering and policing co-processors, intermediate queuing co-processors, a gatewaying co-processor, egress queuing co-processors, and a traffic shaping co-processor. The central processing unit configures and controls the data ingress ports, the data egress ports, and the plurality of co-processors to implement data processing paths in parallel or in a pipeline between the ingress ports and the egress ports.

Abstract: An edge connector includes a first row of golden fingers and a second row of golden fingers. The first row of golden fingers is adjacent to a plugging end of the edge connector, and the second row of golden fingers is adjacent to the first row of golden fingers. In a plugging direction of the edge connector, each golden finger in the first row of golden fingers has a first end proximate to the plugging end and a second end opposite to the first end. A first end of a grounded golden finger in the first row of golden fingers is protruded from other golden fingers, and second ends of two or more than two golden fingers in the first row of golden fingers are not aligned with each other.

Abstract: There are provided methods and apparatus related to setting up sensing measurement instances and to allocating resource units (RUs) between sensing responders in a sensing measurement instance. There is provided a channel state information (CSI) feedback (FB) support subfield can be provided in a sensing measurement parameters field, which may be used to allow a device to indicate whether it can compute CSI FB information and feedback. There is further provided, RU allocation re-use across multiple phases of a sensing phase which may enable later trigger frames to omit RU allocation information. There are further provided responder-to-initiator (R2I) null data packets (NDPs) which include information indicative of the device transmitting the packet in a signal (SIG) field of the NDP.

Abstract: Embodiments of a power consumption control apparatus, a processor, and a power consumption control method are disclosed, directed to improving accuracy of power consumption regulation. The power consumption control apparatus includes a constant-frequency clock generator and a power consumption regulator. The power consumption regulator is connected to one or more processing units in a system-on-a-chip. The constant-frequency clock generator provides a constant-frequency clock signal for the power consumption regulator. The power consumption regulator obtains power consumption caused by the one or more processing units in a period of time, and regulates current power consumption of the one or more processing units based on the power consumption.

Abstract: This disclosure provides an anti-interference method for a new radio network, to reduce intra-frequency interference caused by a long term evolution (LTE) cell to a neighboring new radio (NR) cell. In the method, a base station obtains network configuration information of at least one LTE cell neighboring to an NR cell, based thereon determines anti-interference configuration information that includes an anti-interference pattern having a plurality of strip areas, in which at least one first area and at least one second area are distributed in spacing, the first area is used to carry a service signal of the NR cell, and the second area is used to carry an interference signal of the at least one LTE cell. The base station sends the anti-interference configuration information to a target user equipment for selecting the at least one first area to carry the service signal of the NR cell.