Abstract: Embodiments of the present disclosure provide an aperiodic SRS transmission method and an apparatus, and relate to the communications field, so as to resolve a problem that an existing terminal device cannot send an aperiodic SRS on a carrier of an unlicensed spectrum. The transmission method includes: obtaining, by a terminal device, first indication information, where the first indication information is used to instruct the terminal device to send an aperiodic sounding reference signal SRS on a first symbol in a first subframe; and sending, by the terminal device, the aperiodic SRS on the first symbol based on the first indication information.
Abstract: Embodiments provide a channel state information reporting method, including: determining, by a terminal, R first precoding matrix indicators PMIs of M first reference signal resources, and determining a channel quality indicator CQI based on the R first PMIs, where M and R are integers greater than or equal to 1; and reporting, by the terminal, channel state information, where the channel state information includes the R first PMIs and N CQIs.
Abstract: A method and an apparatus for determining a time offset are disclosed. The method includes: obtaining, by a device at a head end, a time-domain signal based on a received signal; and then determining a time offset based on values of peak-to-average ratios of a preset quantity of symbols starting from a qth symbol in the time-domain signal, where a peak-to-average ratio of the qth symbol is greater than a preset threshold. A new method for determining a time offset is provided, and takes advantages that the time-domain signal obtained by the device at the head end has stronger capabilities of resisting interference such as frequency offset and phase noise. The method for determining a time offset can be applied both to initial ranging and periodic ranging.
July 17, 2018
Date of Patent:
August 11, 2020
HUAWEI TECHNOLOGIES CO., LTD.
Tao Ouyang, Syed Habib Rahman, Xiaoshu Si, Fan Wang, Hao Lei
Abstract: A communication method, a network device, and a terminal device the method including sending, by a network device, instruction information to a terminal device in a first time period by using a first serving beam, where the instruction information is used to instruct the terminal device to communicate with the network device in a second time period by using a second serving beam, and communicating, by the network device, with the terminal device in the second time period by using the second serving beam according to the instruction information, where the first time period is earlier than the second time period.
Abstract: A method and an apparatus for determining an RBG size are provided. In the method, a network device or a terminal determines an RBG size set, where the RBG size set may include one or more possible RBG sizes; and determines a first RBG size included in the RBG size set. The network device allocates a resource to the terminal by using the determined first RBG size. The terminal determines, based on the determined first RBG size, the resource allocated by the network device to the terminal.
December 28, 2018
Date of Patent:
August 11, 2020
Huawei Technologies Co., Ltd.
Ting Wang, Zhe Liu, Yuanjie Li, Hao Tang, Zhenfei Tang, Yi Wang, Hua Li, Yongzhao Cao
Abstract: Embodiments of the present application provide a method for transmitting a pilot signal, a method for receiving a pilot signal, a base station, and a user equipment. The method for transmitting the pilot signal includes: determining a physical resource block pair which is used for carrying a user-dedicated pilot signal, where first five orthogonal frequency division multiplexing (OFDM) symbols in a first time slot of the physical resource block pair include all resource elements used for carrying the user-dedicated pilot signal; and transmitting the physical resource block pair which is used for carrying the user-dedicated pilot signal. The method for transmitting the pilot signal, the method for receiving the pilot signal, the base station, and the user equipment according to embodiments of the present application can improve communication data demodulation performance of a user equipment.
Abstract: A photographing method, a photographing apparatus, and a terminal, where the method includes receiving a camera turn-on instruction, previewing a preview image collected by the camera based on the received camera turn-on instruction, where in a preview state, an operation mode of an image sensor of the camera is an average pixel combination mode, and photographing the preview image when detecting that luminance of at least one pixel in the preview image is less than a preset condition, where when the preview image is being photographed, the operation mode of the image sensor of the camera is a sum pixel combination mode. In this way, luminance of a photographed image can be increased, and a problem that an image cannot be photographed in low light can be resolved.
Abstract: A flow control method and apparatus are provided. The flow control apparatus groups stored multiple pieces of address information into at least two security groups according to attribute information; arranges the at least two security groups, so that a security group at a high level may completely include a security group at a low level and security groups at a same level are completely independent of each other without overlap; receives a policy configuration instruction; configures a specified rule according to the policy configuration instruction, and configures a storage sequence of the specified rule according to the policy configuration instruction, where the specified rule is generated according to the policy configuration instruction; receives a data packet after the at least two rules are configured; and processes the data packet according to the at least two rules and storage sequences of the rules, to implement flow control.
Abstract: An authentication method, an authentication apparatus, and an authentication system for the communications field are described. The authentication includes sending, by first user equipment, a first random parameter to second user equipment. The second user equipment obtains a first user identifier, a second user identifier, and a second random parameter; and generates a second authentication feature based on the first user identifier, the second user identifier, the first random parameter, and the second random parameter. The second user equipment sends the second authentication feature to the first user equipment for authentication. The first user equipment, after authentication, generates a first authentication feature. The first authentication feature is sent to the second user equipment for authentication.
Abstract: A method includes detecting a user-input instruction for displaying a user interface for notification management and displaying the user interface for notification management. The user interface for notification management includes a classification option. The method further includes receiving a user-input instruction for selecting the classification option, displaying at least two application types, detecting a user-input instruction for selecting an option of one application type of the at least two application types, displaying, in a same user interface, an identifier of at least one application corresponding to the selected application type, displaying a setting option of a UI prompt manner of a notification message for each of the at least one application, detecting an operation of a user on the setting option of the UI prompt manner of the at least one application, and saving the setting option of the UI prompt manner of the at least one application after the user operation.
Abstract: Embodiments provide a software modification initiation method. The method can include receiving, by a VNFM, a VNF LCM request sent by an NFVO. The VNF LCM request may include an instance identifier of a VNF instance of to-be-modified first-version VNF software. The method can include determining, by the VNFM, that a type of the VNF LCM request indicates a software modification operation, and obtaining metadata according to the VNF LCM request. The metadata may include a version identifier of the first-version VNF software and a software modification type. The method can include determining, by the VNFM, a first VNF instance of the first-version VNF software based on the instance identifier of the VNF instance of the to-be-modified first-version VNF software. The method can also include initiating, by the VNFM, a software modification operation for the first VNF instance of the first-version VNF software based on the software modification type.
Abstract: Embodiments of the present invention provide a data transmission method and an apparatus, and relate to the field of communications technologies. The method includes: obtaining, by a terminal, first indication information of an uplink resource used for sending uplink data or uplink control information. The first indication information of the uplink resource includes information used to indicate whether the uplink resource is a type 1 uplink resource or a type 2 uplink resource. The type 1 uplink resource includes at least one subcarrier in a frequency domain, where when a subcarrier quantity of subcarriers is greater than or equal to 2, the subcarriers are orthogonal to each other, and a subcarrier spacing is 3.75 kHz; or the type 1 uplink resource includes at least one sub-channel in a frequency domain, where a bandwith of each sub-channel is approximately 3.75 kHz.
Abstract: The present disclosure discloses a multicast service reading method. The method includes: determining, by user equipment UE, multicast control channel MCCH configuration information, where the MCCH configuration information includes a multicast control channel identifier MCCH-RNTI and MCCH sending period information; determining, by the UE, MCCH sending time information according to the MCCH sending period information; reading, by the UE, an MCCH message according to the MCCH sending time information by using the MCCH-RNTI, where the MCCH message includes configuration information of a multicast service; and reading, by the UE, the multicast service according to the configuration information of the multicast service. Embodiments of the present disclosure further provide a multicast service sending method and a related device. The embodiments of the present disclosure help reduce waste of an MBSFN subframe.
February 14, 2018
Date of Patent:
August 11, 2020
HUAWEI TECHNOLOGIES CO., LTD.
Bingzhao Li, Yongqiang Gao, Jian Zhang, Wei Quan
Abstract: Implementations of a registration procedure are described. The registration procedure includes a Access and Mobility Function (AMF) selection procedure and a Session Management Function (SMF) selection procedure. The AMF receives a Non-Access Stratum (NAS) registration request pertaining a User Equipment (UE). At least partially in response to the registration request: the AMF registers the UE on the network; and establishes a Protocol Data Unit (PDU) session for the UE. The AMF transmits a registration response to the UE. An access node of the network receives a Radio Resource Control (RRC) registration request from a User Equipment (UE). At least partially in response to the registration request: The access node selects an AMF, and forwards a corresponding Non-Access Stratum (NAS) registration request to the selected AMF. The NAS registration request includes PDU session request information pertaining to the UE.
Abstract: The present disclosure provides a service indicator display method and device. The method includes: obtaining measurement values of service indicators in a building and a three-dimensional grid model of the building, where an outer surface of the model includes multiple polygons; determining, according to the measurement values of the service indicators, a measurement value that is of a service indicator and that is corresponding to a vertex location of each polygon; performing gradient rendering on each polygon according to a legend and the measurement value, to obtain spatial distribution of the service indicators; and displaying the spatial distribution in the building. A surface of a building model is divided more finely by using a polygon, and spatial location distribution of service indicators is reflected more truly by means of gradient rendering, so as to improve network optimization efficiency.
Abstract: Embodiments of the present disclosure provide a scheduling method and a base station. In a cell handover process, a target base station serving a target cell receives a random access request from a terminal, sends a random access response to the terminal according to the random access request, and proactively sends an uplink grant to the terminal after sending the random access response and prior to receiving a handover complete command from the terminal. By proactively sending the uplink grant, the target base station can perform uplink scheduling for UE before cell handover is completed, so as to reduce an uplink transmission latency caused by the cell handover.
Abstract: An attack data packet processing method, an apparatus, and a system are provided. The method includes receiving, by a management node, description information of an attack data packet and an attack type of the attack data packet, where the description information and the attack type are sent by an awareness node; determining a processing policy on the attack data packet of the attack type according to the attack type; and sending the description information and the processing policy to a switch using a software-defined networking controller, so that the switch performs an operation indicated by the processing policy on the attack data packet with the description information.
Abstract: A method implemented by a first device includes: sending a first message to a second device on a first bandwidth; receiving on the first bandwidth, a second message sent by the second device in response to the first message; sending a third message on a second bandwidth, where the first message, the second message, and the third message all carry device-reserved time-frequency resource information; and within the device-reserved time-frequency resource information, sending, a message to the second device on the first bandwidth; or receiving on the first bandwidth, a message sent by the second device, where if the first bandwidth is less than 20 M, the second bandwidth is greater than or equal to 20 M; or if the first bandwidth is greater than or equal to 20 M, the second bandwidth is less than 20 M. Embodiments of the present disclosure further provide a related device and a system.
Abstract: The present invention relates to the field of mobile communications technologies, and in particular, to a gateway system, so as resolve a technical problem of a complex network structure caused due to that different network architectures need different gateways. The gateway system provided in the present invention separates a control plane from a forwarding plane. A gateway controller is configured to complete a control function, and may control respective generation of control information for data packets of multiple different protocol types. A gateway forwarding device is responsible for forwarding, and may be controlled by the gateway controller to receive and send data packets of various protocol types. In a multi-standard access architecture, only one or few such gateway systems may need to be accessed instead of accessing multiple different gateways, thereby simplifying a network topology structure, and facilitating network maintenance.
Abstract: A method, apparatus, and system for disaster recovery of an Internet Protocol (IP) Multimedia Subsystem (IMS), where the method includes triggering a redundant Call Session Control Function (CSCF), obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. Hence, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences.