Huawei Technologies Co., Limited

University of Science and Technology of China

Rui Ni

Qian Zhu

Yi Lv

Xun Yang

Chenghui Peng

Jiayin Zhang

Jun Luo

Yalin Liu

Yong Qing Wang

Yi Luo

Yuhua Chen

Xing Wang

Xiaohu Tang

Ningjuan Wang

Haiqing Lan

Yungang Li

Jing Li

Chen Gong

Jinli Yang

Shangbin Li

Jinkang Zhu

Qiyang Zhao

Jing Luo

An antenna includes: a dielectric plate provided with a first surface and a second surface; a ground plane located on the first surface; and an antenna unit. A size of the antenna unit is a preset length, the antenna unit includes at least three antenna elements in a ring arrangement, and each antenna element includes a first patch, a second patch, and a third patch that are located on the second surface, and three conductive portions that penetrate through the first surface and the second surface. A first conductive portion is electrically connected between a feeding portion and the first patch to form a monopole, a second conductive portion is electrically connected between the ground plane and the second patch to form a first parasitic body, a third conductive portion is electrically connected between the ground plane and the third patch to form a second parasitic body, and the first parasitic body and the second parasitic body are located on both sides of the monopole and are configured to isolate adjacent antenna elements in the ring arrangement.

Signal processing method and related apparatus

A radio resource identification method and an apparatus. The method includes: obtaining OAM mode domain information, where the OAM mode domain information includes a first OAM mode domain identifier, the first OAM mode domain identifier corresponds to a first transmission parameter of a vortex electromagnetic wave in a first OAM physical mode, or the first OAM mode domain identifier corresponds to a first ratio between the first transmission parameter and a reference value, and the reference value includes a transmission parameter of a plane electromagnetic wave or a transmission parameter of a vortex electromagnetic wave in a specified OAM physical mode in a plurality of OAM physical modes; and any plurality of waveform symbols pass through a same vortex electromagnetic wave channel; and determining a radio resource used for uplink transmission or downlink transmission.

Radio resource identification method and apparatus

The present disclosure relates to precoding matrix determining methods, devices, and systems. In one example method, a receive end device obtains channel state information (CSI) of a first channel and information about P antenna port groups of a transmit end device. The receive end device determines V orbital angular momentum (OAM) mode groups based on the CSI of the first channel and first OAM modes, determines a first precoding matrix based on the P antenna port groups of the transmit end device and the V OAM mode groups, and sends, to the transmit end device, first indication information indicating the first precoding matrix. The transmit end device receives the first indication information, and determines the first precoding matrix based on the first indication information.

Precoding matrix determining method, device, and system

A quantum communication method, an apparatus, and a system are provided. The method includes: modulating a first symbol to an idirection vector of a first electric wave based on a preset mapping relationship, to obtain a second electric wave; and transmitting the second electric wave, where the first electric wave supports M direction vectors, the idirection vector of the first electric wave is one of the M direction vectors of the first electric wave, the first symbol is a symbol corresponding to first data, the idirection vector of the first electric wave corresponds to an idistribution result, the idistribution result is obtained by converting the second electric wave into an energy quantum. The first symbol may be modulated to a direction vector of the first electric wave, and this application is compatible with the conventional technology.

Quantum communication method, apparatus, and system

The present disclosure describes example communication methods, terminals, access network devices, and core network devices. One example communication method includes sending, by an access network device, a slice resource adjustment message to a terminal, where the slice resource adjustment message includes target resource information, and wherein the slice resource adjustment message is used to instruct the terminal to adjust a resource of a slice currently accessed by the terminal to the target resource. The access network device receives a slice resource adjustment complete message sent by the terminal, where the slice resource adjustment complete message is used to indicate that the terminal has adjusted the resource of the slice currently accessed by the terminal to the target resource.

Communication method, terminal, access network device, and core network device

Embodiments provide a network communication method, including obtaining, by a second convergence control apparatus after receiving an indication message sent by a first convergence control apparatus, a preset proportion of service data from service data that the first convergence control apparatus needs to transmit and performing, by the second convergence control apparatus, parameter matching on the preset proportion of service data according to a system parameter of a current communications standard The method also includes transmitting, by the second convergence control apparatus, the matched preset proportion of service data by using a corresponding data link layer. The embodiments further disclose a network communications apparatus.

Network communication method and apparatus

Embodiments of this application provide a control information sending method and apparatus, where the method includes: obtaining a control information indication message from a first standard network, selecting a second standard network from one or more other networks that constitute a heterogeneous network with the first standard network, and sending the control information indication message to the second standard network, and then to a client over the second standard network. The control information indication message is used to instruct to substitutively send control information of the first standard network. According to the method and apparatus provided, the control information of the first standard network is substitutively sent over the second standard network, and sending the control information does not need to occupy bandwidth of the first standard network. Therefore, in comparison with the prior art, a network capacity of service data sent over the first standard network can be increased.

Control information sending method and apparatus

Embodiments provide a data sending method and device. The data sending method includes: determining, by a transmitting device, a busy/idle state of a wireless communications channel and a communication status of a receiving device before sending data to the receiving device, where the transmitting device is a wireless access node or the transmitting device is a station, and the receiving device is a wireless access node or the receiving device is a station. The method also includes sending, by the transmitting device, the data to the receiving device if the wireless communications channel is in a busy state and the receiving device is in an idle communication state.

Data sending method and device

A wireless network control apparatus including a receiver configured to obtain a network information of a first-standard network, a processor configured to determine an instruction information which includes the network information that is of the first-standard network and that is obtained by the receiver, and a transmitter, configured to send the instruction information determined by the processor to a second-standard network, so that the second-standard network sends the network information of the first-standard network to a terminal, where the terminal works in the second-standard network.

Information transmission method, wireless network control apparatus, and network access point

Embodiments of the present invention provide a data transmission method, a sender device, and a receiver device. The method includes: sending, by a sender device, to-be-transmitted data to a receiver device according to a transmission policy; and receiving, by the sender device, feedback information sent by the receiver device. In this process, for to-be-transmitted data after a guard interval in a last radio frame of any scheduling window, the sender device sends the to-be-transmitted data according to the transmission policy, so that no timeout occurs when the sender device is waiting for the feedback information, thereby achieving an objective of improving data transmission efficiency.

Data transmission method, sender device, and receiver device

Embodiments disclose a multiple-communications-standard transmission method and apparatus. The method includes when both a WLAN communications standard and a wireless cellular communications standard are available, sending, by a transmit end supporting multiple communications standards by preferentially using the WLAN communications standard, a service flow of a service session to a receive end supporting multiple communications standards. The method also includes in response to that a first switch condition is met, switching, by the transmit end at a data link layer, to using the wireless cellular communications standard for continuous transmission of the service flow, where the first switch condition includes at least that a WLAN communication link fails in communication.

Multiple-communications-standard transmission method and apparatus

Embodiments of the present disclosure provide methods and devices for inserting and extracting a pilot sequence according to a pilot mapping indicating a location for inserting the pilot sequence in a plurality of time-frequency resources. One example method includes inserting, by a transmitter according to pilot mappings corresponding to Ntransmit antenna ports by using Northogonal pilot sequences that are different from each other, a pilot sequence corresponding to each of the transmit antenna ports into OFDM symbols that are included in the pilot mapping corresponding to the transmit antenna port. There is a one-to-one correspondence between the Npilot sequences and the Ntransmit antenna ports of the transmitter, where Nis a positive integer greater than or equal to 2. The pilot mappings corresponding to the transmit antenna ports are the same among the Ntransmit antenna ports.

Inserting and extracting pilot sequences

Embodiments of the present invention provide a data forwarding control method and system, a controller, and an access device. The method includes: after receiving a first control request of a first access point AP, obtaining, by a first controller, a network address of the first AP, where the first control request is used to request the first controller to manage the first AP; sending a network address of a first forwarding device to the first AP, instructing the first AP to send user data to the first forwarding device, sending the network address of the first AP and a predefined data forwarding rule to the first forwarding device, and instructing the first forwarding device to forward the user data of the first AP according to the predefined data forwarding rule. The present invention implements control, by a controller, on AP service data forwarding, and improves a WLAN throughput.

Data forwarding control method and system, controller, and access device

The present invention relates to a method for scheduling an access point of a wireless local area network, including: receiving, by a first controller in a current scheduling period of a network running state, performance statistical data of a last scheduling period reported by a plurality of access points in a first access point cluster in the last scheduling period, where the first access point cluster includes the first controller and the plurality of access points connected to the first controller; generating a scheduling scheme for the plurality of access points for a next scheduling period according to the performance statistical information; and broadcasting the scheduling scheme to the plurality of access points. According to the method, impact on other access points due to communications between different access points and user equipments are reduced in a wireless local area network with a plurality of access points.

Method for scheduling access point of wireless local area network, controller, access point, and system

Provided are a data packet transmission system and method, the system includes: an Agent device, a first connecting device, a MAC array, a second connecting device, a PHY array, a third connecting device and an RF array, where the Agent device sends data of a first data frame to the first connecting device, and the first connecting device sends a data packet to a destination MAC device in the MAC array; the destination MAC device sends a second data frame to the second connecting device; the second connecting device sends the data packet to a destination PHY device in the PHY array; the destination PHY device sends a third data frame to the third connecting device; and the third connecting device sends the data packet to a destination RF device in the RF array, and the destination RF device sends the data packet to a user side.

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Shenzhen, China

Rui Ni