Huawei Technologies Co., Limited

Yongjun Liu

Kaiyao Wang

Xun Yang

Hui Yang

Zhenxing Hu

Rongdao Yu

Yun Lei

Yue Li

Yong Xu

Liang Yang

Yanping Jiang

Mu Zhao

Yongfeng Zhong

Weipeng Jiang

Zhisong Bie

A pixel structure and an image sensor are provided, to improve photoelectric conversion efficiency under a weak light condition and resolve a problem that an image generated in weak light is dim. The pixel structure includes a metallic ground plane, and a substrate unit cell located on the metallic ground plane. The pixel structure further includes a nano antenna unit that is located on the substrate unit cell and that includes one or more nano antennas, each of the one or more nano antennas corresponding to one optical band and including M parts A nano gap is formed between the M parts, a metal-insulator-metal diode is formed at the nano gap, and M is a multiple of 2. The pixel structure further includes a packaging unit that covers the nano antenna unit. The image sensor includes a plurality of pixel structures.

Pixel structure and image sensor including a nano antenna unit

The present disclosure describes methods, terminals, and base stations for terminal positioning method. One example method applied to a baseband unit (BBU) in an indoor distributed NodeB system includes: receiving an uplink positioning signal forwarded by multiple remote radio units RRUs, where the uplink positioning signal is sent by a to-be-positioned terminal to the multiple RRUs; selecting, from the multiple RRUs, at least two RRUs as target RRUs according to the uplink positioning signal and a preset rule; and respectively obtaining signal angles of arrival corresponding to the target RRUs, and determining a location of the to-be-positioned terminal according to the signal angles of arrival, locations of the target RRUs, and a preset algorithm.

Terminal positioning method and baseband unit

A location relationship obtaining method includes recording, as a reference location point corresponding to a searched terminal, a location point for obtaining a wireless signal having greatest strength, obtaining at least two reference location points, setting either of the at least two reference location points as a benchmark location point, and obtaining a reference location relationship between the other reference location points and the benchmark location point, where the reference location relationship indicating a location relationship between a searched terminal corresponding to the other reference location points and a searched terminal corresponding to the benchmark location point.

Communication method and system for tracking objects based on combinations of location relationship

A communication method includes obtaining, by a first device, first target information, determining, by the first device based on the first target information, a data transmit array element from light emitting diodes (LEDs) of the first device, where each data transmit array element of the first device includes at least one LED, and sending, by the first device, to-be-sent data to a data receive array element of a second device using the data transmit array element, where each data receive array element of the second device includes at least one LED of the second device.

Communication method and related device

A method includes determining at least one first measurement AP in first storage APs according to the address of the first AP, sending a second CSI measurement request to the at least one first measurement AP, where the second CSI measurement request includes the address of the terminal, receiving first measurement data, where the first measurement data includes first CSI, the first CSI is obtained after a target measurement AP performs channel estimation on the first service data, and sending the first measurement data or a first processing result to the terminal, where the first processing result is obtained by using the first measurement data.

CSI obtaining method, server, terminal, and AP

Disclosed is an interference coordination method, a base station, and a high altitude platform station. The high altitude platform station receives information that includes a location of a base station and a radius of a central area of a coverage area of the base station, and calculates an interference start time and an interference end time according to the received information and a flight parameter of the high altitude platform station. The high altitude platform station sends interference coordination information to the base station, where the interference coordination information includes the interference start time, the interference end time, and a frequency band of a carrier used in both an edge area of a coverage area of the high altitude platform station and the central area of the coverage area of the base station. The base station adjusts the coverage area of the carrier according to the interference coordination information.

Interference coordination method, high altitude platform station, and base station

A positioning method includes sending, by a to-be-positioned node, a first request to a first node, where the first request includes device information of N second nodes, and the N is a positive integer greater than or equal to one, receiving measurement information from the first node, where the measurement information includes location information of the N second nodes and distances between the first node and the N second nodes, and obtaining location information of the to-be-positioned node according to the measurement information and measurement time information obtained through monitoring a process in which the first node performs distance measurement.

Positioning method and apparatus

Embodiments of the present invention provide an air-ground communication control method. The method is applied to a hierarchical network that includes a ground network and at least one aerial network, and the method includes: receiving, by a ground platform, location information of a high-altitude platform sent by the high-altitude platform, where the ground platform is located in the ground network, the high-altitude platform is located in the aerial network, and a beam of the high-altitude platform covers the ground platform; determining a beam direction according to location information of the ground platform and the location information of the high-altitude platform; and sending beam width information to the high-altitude platform in the beam direction, where the beam width information is used to adjust an interval of sending the location information of the high-altitude platform.

High-altitude communications system, method, and apparatus

Embodiments of the present invention provide an air-ground communication control method. The method is applied to a hierarchical network that includes a ground network and at least one aerial network, and the method includes: receiving, by a ground platform, location information of a high-altitude platform sent by the high-altitude platform, where the ground platform is located in the ground network, the high-altitude platform is located in the aerial network, and a beam of the high-altitude platform covers the ground platform; determining a beam direction of a beam from the ground platform to the high-altitude platform according to location information of the ground platform and the location information of the high-altitude platform; and sending beam width information to the high-altitude platform in the beam direction, where the beam width information is used to adjust an interval of sending the location information of the high-altitude platform.

A node localization method and device are disclosed. The method includes: determining a first set of radio signal measurement values that can be received by each known-location node of at least one known-location node, and determining a second set of radio signal measurement values that can be received by a to-be-localized node; determining, according to the radio signal measurement values included in the first set that respectively correspond to each known-location node and the radio signal measurement values included in the second set, a weighting coefficient corresponding to each known-location node (); and determining location information of the to-be-localized node according to the weighting coefficient corresponding to each known-location node and location information of each known-location node ().

Node localization method and device

The present invention relates to the field of network communication technologies, and discloses a method, a device, and a system for establishing an on-demand route. The method includes: determining that a stable route needs to be established; establishing the stable route and recording a route entry corresponding to the stable route in a route table; determining an effective time of the stable route, in which the effective time of the stable route is longer than the effective time of another common route; and performing an aging operation on the route entry according to the effective time of the stable route. With the present invention, requirements of different applications on the delay may be satisfied, and the consumption of the network bandwidth may be reduced.

Method, device and system for establishing on-demand route

A data transmission method, which can improve an error correction capability during decoding, includes: determining, by a transmit end, a target code length L and an original code length K; generating an initial code block according to the original code length K, where the initial code block includes 2initial code words; generating a superposition code block according to the target code length and an arrangement order of the 2initial code words in the initial code block, and superposing the initial code words and the corresponding superposition code words to generate the block code words in the block code set, so that a difference between feature code distances in the block code set is &#xb1;1 or 0, where the feature code distance is a code distance between the block code words.

Data transmission method and apparatus

A method for allocating an identification using an access network grouping scheme, and a method and apparatus for paging group are described. The ID allocating method comprises: receiving a group ID of a group of group-paged objects allocated by a core network device for a terminal device, wherein the group of group-paged objects comprises one or more subgroups; allocating a device ID or a user ID to the terminal device, wherein the device ID or the user ID comprises information of a subgroup ID of a subgroup to which the terminal device belongs; and sending the allocated device ID or user ID to the terminal device. The number of terminals in the subgroup is appropriate, and the resources are allocated more flexibly and reasonably.

Method for allocating identification, method for paging group, and communication device

A method and an apparatus for setting a network node location. The method is applied in a router in a ZigBee network and includes acquiring, by the router, a network parameter of at least one network device in a network connecting to the router; calculating the number of network parameters meeting a predefined threshold condition; mapping the number of the network parameters meeting the predefined threshold condition to corresponding indication information, wherein the indication information indicates deployment performance of the router in the network; and providing the indication information for a user, wherein the indication information is used to instruct the user to set a location for the router in the network.

Growing community of inventors

Beijing, China

Yongjun Liu