Abstract: An optical frequency transfer device based on passive phase compensation and a transfer method are provided, where the device comprises a local side, a transfer link and a user side. Optical frequency transfer based on passive phase compensation is achieved by simple optical frequency mixing, microwave filtration, and frequency division processing in a passive phase compensation manner, and the device has simple system structure and high reliability.

Abstract: A shortcut function enabling method and an electronic device, where the electronic device collects an air gesture of a user using a camera, recognize the air gesture of the user, obtain a facial feature of the user, and verify whether the facial feature is a facial feature from the user or a stored facial feature. When face verification of the user succeeds and the air gesture is a preset air gesture, an application or a shortcut function is quickly enabled.

Abstract: Provided are a display panel, a preparation method of a display panel, and a display device. The display panel includes a display function layer, an anti-reflective function layer and a base material layer therebetween. The display function layer includes multiple light-emitting elements and a pixel definition structure surrounding the light-emitting elements. The anti-reflective function layer is disposed on a light emitting side of the display function layer and includes a first refractive index pattern, and the first refractive index pattern overlaps the pixel definition structure. The base material layer includes a light uniformizing structure, the light uniformizing structure includes a first inclined sidewall, and in a light emitting direction of the light-emitting elements, the first inclined sidewall is inclined towards a direction away from a light-emitting element adjacent to the first inclined sidewall, and the first refractive index pattern covers the first inclined sidewall.

Abstract: Example test methods and apparatus are described. One example method includes receiving an uplink radio frequency signal by a test device from a terminal device, where the uplink radio frequency signal is generated by superimposing at least two test signals, and each of the at least two test signal corresponds to one communication protocol. The test device extracts the at least two test signals from the uplink radio frequency signal. The test device separately tests the at least two test signals, and obtains an uplink test result of the terminal device.

Abstract: A method includes determining a first importance measurement value of a pixel in an image, obtaining at least one text box area stacked on the image, obtaining, based on first importance measurement value of a pixel in a background image corresponding to each text box area a second importance measurement value of a background image corresponding to each text box area, obtaining an importance measurement value gravity center or an importance measurement value mass center of the image based on the first importance measurement value, determining, based on a preset principle and a location relationship between the importance measurement value gravity center and a central area of the image or a location relationship between the importance measurement value mass center and a central area of the image, information about a balance degree value of each text box area relative to the image, and selecting, from the at least one text box area, one text box area to typeset a word.

Abstract: A gesture processing method implemented by a device includes after detecting a mid-air gesture, generating a general-purpose input event based on the mid-air gesture, where the general-purpose input event is an input event to which both a system application and a third-party application are capable to respond; and responding to the general-purpose input event by using a related application, in response to the mid-air gesture.

Abstract: A method includes obtaining a first image, determining a first target curve of a first region occupied by the first image, where an area of the first region is equal to an area of the first image, determining a target object on the first image, moving the first image to obtain a second image, where a second target curve of a second region in which the target object on the second image is located is close to or overlaps the first target curve, and the second region is an external polygon of the target object, and cropping out an image part that is of the second image and that is moved out of the first region.

Abstract: A system and method for channel access mode selection. In some embodiments, the method includes receiving, by a user equipment (UE), an interference measurement configuration from a network; performing, by the UE, a first interference measurement according to the interference measurement configuration; and implementing a first channel access mode. The implementing of the first channel access mode may include (i) identifying, by the UE, the first channel access mode based on the first interference measurement; or (ii) reporting, by the UE, a result of the first interference measurement, in order for the first channel access mode based on the first interference measurement to be identified.

Abstract: Disclosed is an electronic device including at least one processor, and at least one memory operatively connected with the at least one processor, wherein the at least one memory stores instructions, which when executed, instruct the at least one processor to receive, on a control channel, a control channel message, receive a set of reference signals (RSs) in which each RS corresponds to a beam direction, decode the control channel message to obtain a list of transmission state indicator (TCI) state information for one or more slots, wherein each TCI state information comprises a channel occupancy time (COT) duration indicator for each of the slots, and determine, based on the TCI state information list, whether each RS of the set is valid.

Abstract: A user equipment (UE) includes a memory and a processor configured to perform directional listen before talk (LBT) to identify a set of narrow beam and sub-band combinations available for transmission; transmit, to a base station (gNB), at least one schedule request in a physical uplink control channel (PUCCH) over the identified set of narrow beam and sub-band combinations; receive, from the gNB, an uplink grant for physical uplink shared channel (PUSCH) data transmission over at least one narrow beam and sub-band combination selected by the gNB from the identified set of narrow beam and sub-band combinations; and acquire a channel occupancy time (COT) duration for the at least one narrow beam and sub-band combination selected by the gNB as part of the uplink grant.

Abstract: A node comprises a location unit determines that the node requires positioning support from the anchor nodes, and a transmitter to transmit a request for positioning support from the anchor nodes. The node comprises a selection unit to select a set of the plurality of anchor nodes for providing positioning support following the transmission of the request. It also causes the transmitter to transmit an instruction to each anchor node in the set that instructs that anchor node to provide positioning support to the node via a sidelink between that respective anchor node and the node. The request for positioning support is transmitted at a time that suits the node, in dependence on its own situation and the requirements of any applications it might be running. The selection unit enables the node to make a dynamic selection of appropriate anchor nodes at the time when the node needs positioning support.

Abstract: The invention discloses a method for receiving a data packet from a first communication device by a second communication device in a wireless network comprising the following steps: —awaiting the data packet at the second communication device; determining a context information related to the data packet by the second communication device; if the data packet is not received successfully, controlling transmission of a negative acknowledgement indicator, NACK, and/or transmission of a channel quality indicator, CQI, by the second communication device to the first communication device based on the context information.

Abstract: A method for random access in a communication network may include detecting a first candidate beam at a UE, detecting a second candidate beam at the UE, transmitting, from the UE, one or more first messages of a random access procedure, and indicating, by the one or more first messages, the first candidate beam and the second candidate beam. Another method for random access in a communication network may include detecting a first candidate beam at a UE, detecting a second candidate beam at the UE, receiving, at the UE, traffic information for the first candidate beam and the second candidate beam, selecting the first candidate beam based on the traffic information, and transmitting, based on the selecting, a first message of a random access procedure using the first candidate beam. The traffic information comprises load information.

Abstract: Various embodiments of the present disclosure provide a method for platoon-based communications. The method which may be performed by a first network node comprises determining, at a radio layer, a group header of a device group which comprises at least a terminal device. The group header comprises at least one of: an application layer group header being responsible for management of the device group at an application layer, and a radio layer group header being responsible for management of the device group at the radio layer. According to the embodiments of the present disclosure, a radio layer group header may be appointed for a device group so that communication management on the device group can be performed at the radio level.

Abstract: A system and a method are disclosed for accessing a wireless medium for a NR-U deployed at 60 GHz. A directional CCA sensing is performed on a set of multiple beams in the medium in which each beam is oriented in a different direction. It is determined whether at least one beam of is busy and, if so, a back-off timer is initialized. The back-off timer is decreased by a predetermined amount based on a determination that all beams of the set of multiple beams are idle. The back-off timer is repeatedly decreased the predetermined amount based on a determination that all beams of the set of multiple beams are idle until the back-off timer equals a predetermined amount. Data is transmitted at least one beam of the set of multiple beams based on the back-off timer equaling the predetermined amount.

Abstract: A method for beam failure recovery in a communication network may include detecting a beam failure based on a downlink transmission at a user equipment (UE) in an inactive state, and performing a beam failure recovery (BFR) procedure at the UE in the inactive state based on detecting the beam failure. The downlink transmission may include a reference signal. The reference signal may include a synchronization signal block, The reference signal may include a channel state information reference signal. Detecting the beam failure may include detecting the beam failure based on a beam failure measurement configuration. The method may further include receiving the beam failure measurement configuration at the UE. The UE may receive the beam failure measurement configuration based on a preconfigured uplink resources (PUR) response. The UE may receive the beam failure measurement configuration based on a system information block (SIB) transmission.

Abstract: A user equipment (UE) apparatus for wireless communication with a base station is provided. The UE includes a transceiver and a processor. The processor is configured to transmit, to the base station, via the transceiver, at least one uplink (UL) data packet in a radio resource control (RRC) inactive state based on a preconfigured UL resource (PUR) configuration, wherein the PUR configuration is defined according to a set of PUR parameters, wherein the set of PUR parameters include at least one of a control resource set (CORESET) configuration including an aggregation level and repetition types; a physical UL shared channel (PUSCH) repetition configuration including a frequency hopping pattern; or a UL narrow beam direction for frequency range 2 (FR2) or a transmission reception point (TRP) association, and wherein the set of PUR parameters is associated with new radio (NR).

Abstract: A network entity for flexibly managing radio resources for a plurality of user equipment in a communication network is provided. The network entity includes: a communication interface configured to communicate with a user equipment of the plurality of user equipment; and a processor configured to obtain a communication quality measure associated with the communication between the network entity and the user equipment and to select a radio resource management mode for the user equipment on the basis of the communication quality measure.

Abstract: Methods of operating user equipment for device-to-device, D2D, communications are provided. Operations include transmitting a quality of service, QoS, flow establishment request, the flow establishment request indicating that the QoS flow is to be transmitted over a sidelink, responsive to a determination that a required QoS flow will be fulfilled, receiving a message indicating that a requested sidelink QoS flow will be supported and receiving mapping and configuration data corresponding to the sidelink QoS flow, and responsive to determining that the required QoS may not be fulfilled, receiving a message indicating that the requested sidelink QoS flow will not be established.

Abstract: A system and a method are disclosed for beam refinement to enable inactive mode transmission in frequency range 2 for 3GPP RedCap devices. A RedCap device receives system information in a SIB1 from a wireless network in which the SIB1 includes information relating to an indication of resources used to transmit a SIB-x. The device receives the SIB-x, which includes an indication of at least one resource, at least one configuration for a Downlink-Reference Signal (DL-RS) transmission, and information relating to a measurement report relating to the beam-refinement measurement that is to be performed by a device. The device receives the DL-RS transmission from the wireless communication network, performs the beam-refinement measurement, and sends a measurement report to the wireless network. Subsequent to sending the measurement report, the device sends an enhanced transmission to the wireless network based on the measurement report.