Huawei Technologies Co., Limited

Future Wei Technologies, Inc.

Anjian Li

Jie Cui

Jing Han

Dengkun Xiao

Tong Wu

Hong Li

Jiantao Xue

Yuan He

Qiming Li

Bin Su

Yijie Li

Xizeng Dai

Liji Wu

Fankui Lin

Xiaodong Yang

Xingqing Cheng

Wei Zhu

Yue Zhao

Xiang Chen

Wenjie Wang

Jiadi Liu

Wei Quan

Lei Shi

Bo Li

Guanglin Han

Yi Shan Jiang

Chunfeng Yao

Yuan Gao

Jinhuan Xia

Peng Yuan

Yi Ding

Wurong Zhang

Qing Li

Qiming Sun

Jiangbo Zhu

Yongtong Wu

Kailong Wang

Hongkun He

Qianni Feng

Houping Ren

Ye Si

Chen Zuo

Yi Jiang

Embodiments of the present invention relate to a channel estimation method, a base station, user equipment UE, and a system. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.

Channel estimation method, base station, user equipment, and system

Embodiments of the present invention relate to the communications field and disclose a data transmission device, method, and system, so as to better improve an average downlink throughput of UE. A specific solution is: A determining unit determines a downlink frequency shift according to a received uplink signal sent by a terminal device, and determines a second transmit frequency according to the downlink frequency shift and a first transmit frequency; and a sending unit sends a downlink signal to the terminal device according to the second transmit frequency determined by the determining unit, so that the terminal device receives the downlink signal according to a receive frequency corresponding to the first transmit frequency, where the downlink signal includes at least one of a DMRS or downlink data. The present invention is applied in a data transmission process.

Data transmission device, method, and system

A network device for locating performing following operations: determining a base station set and an auxiliary UE set that participate in locating of to-be-located target UE; receiving from the to-be-located target UE, a first RSTD set of positioning reference signals PRSs sent by any two base stations in the base station set to the to-be-located target UE, and a second RSTD set of a PRS sent by any auxiliary UE in the auxiliary UE set to the to-be-located target UE and a PRS sent by a reference base station in the base station set to the to-be-located target UE; and determining location information of the plurality of to-be-located UEs based on the first RSTD set, the second RSTD set, and location information of base stations included in the base station set. Locating accuracy and flexibility can be improved.

Locating method, system, and related device

The method is applied to a terminal device, the terminal device stores training sample data, and the training sample data includes a correlation spectrum characteristic vector of a reflected signal of a sounding reference signal (SRS) and a corresponding user gesture identifier. The method includes: transmitting, by the terminal device, a first sounding reference signal (SRS); receiving, by the terminal device, a multipath reflected signal that is of the first sounding reference signal (SRS) and that is reflected from a gesture-making object, and performing a related operation on the reflected signal and a signal template corresponding to the first sounding reference signal (SRS), to obtain a correlation spectrum characteristic vector of the reflected signal; and matching, by the terminal device, the correlation spectrum characteristic vector of the reflected signal against the training sample data, to recognize an input gesture.

Gesture recognition method and apparatus

The present disclosure relates to communication methods and devices. One example access network device includes at least one processor configured to generate requirement indication information. The requirement indication information is used to indicate a radio resource management (RRM) requirement to be satisfied by a user equipment (UE). The RRM requirement is suitable for a high-speed mobile communication environment. The example access network device also includes a transmitter configured to send the requirement indication information to the UE.

Access network device, user equipment, communications system, and communication method

Embodiments of the present invention provide a terminal device and a positioning system, and relate to the field of communications technologies. The terminal device is configured to: obtain identifiers of at least two antenna elements and attribute information of a reference signal corresponding to each of the at least two antenna elements; receive at least two reference signals based on the attribute information, where the at least two reference signals are sent by corresponding antenna elements of the at least two antenna elements, respectively; obtain positioning information; and send, to the network device, the positioning information and identification information of antenna elements corresponding to the positioning information. Positioning signals obtained by different antenna elements are different, so that the terminal device can identify which antenna element a received positioning signal comes from. Therefore, an improved distributed antenna system can implement terminal device positioning, and improve indoor positioning accuracy.

Terminal device and positioning system

The present disclosure relates to the mobile communications field. In a positioning base station determining method, a positioning server receives a positioning request message from a terminal device; the positioning server obtains information about a candidate base station from a serving base station of the terminal device according to the positioning request message, where the information about a candidate base station indicates at least one base station; and the positioning server determines a positioning base station set according to the information about a candidate base station, where the positioning base station set includes a positioning base station configured to position the terminal device, and the positioning base station includes one or more of the at least one base station and/or the serving base station.

Positioning base station determining method, positioning server, serving base station, and network system

A channel estimation method, a base station, user equipment (UE), and a system are provided. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.

The present invention discloses a positioning method. When a primary cell PCell and a serving cell SCell that are of user equipment UE have different uplink-downlink configurations at a same subframe location, and the UE does not support simultaneous transmission and reception, the method includes: receiving, by a first device, positioning information of the UE, where the positioning information includes positioning assistance information, or positioning assistance information and a UE identifier, and the positioning assistance information includes at least positioning reference signal PRS information, or PRS information and a Cell ID; determining, by the first device and according to the positioning information, that the UE performs PRS measurement at the same subframe location of the SCell that has same configuration, and avoiding, by the first device, scheduling data or configuring a sounding signal sounding at the same subframe location of the PCell and the SCell that have different configurations.

Positioning method and apparatus for different time division duplex uplink-downlink configurations

Embodiments of the present application disclose an access network device that includes at least one processor configured to generate requirement indication information. The requirement indication information is used to indicate a radio resource management (RRM) requirement to be satisfied by a user equipment (UE). The RRM requirement is suitable for a high-speed mobile communication environment. The access network device also includes a transmitter configured to send the requirement indication information to the UE.

Embodiments of the present disclosure provide a method and an apparatus for enhancing measurement in a wireless communication system. The method includes: obtaining, according to a measurement period or triggered by an event, a measurement amount, where the measurement amount includes a ratio of a valid signal based on a reference signal to a non-valid signal based on the reference signal measured based on the reference signal; reporting the measurement amount to a base station; or performing cell selection or cell reselection according to the measurement amount.

Method and apparatus for enhancing measurement in wireless communication system

The present invention discloses a positioning apparatus and method. In embodiments of the present invention, a sending module sends auxiliary data information to a terminal, where the auxiliary data information is information required by the terminal to perform measurement on positioning nodes, where the auxiliary data information includes positioning node index numbers of the positioning nodes; a receiving module receives a positioning measurement result sent by the terminal, and provides the positioning measurement result to a positioning module, where the positioning measurement result includes a positioning measurement result corresponding to each positioning node index number, or a positioning measurement result that a reference positioning node index number separately corresponds to other positioning node index numbers; and the positioning module determines a location of the terminal by using the positioning measurement result.

Positioning apparatus and method

The present invention relates to the field of mobile communications technologies, and in particular, to an RS SNR reporting and receiving method, a terminal, and a base station, where the method comprises: sending, by the terminal, a user capability message to a serving base station, where the user capability message carries capability information of measuring and reporting an RS SNR by the terminal; and sending, by the serving base station, a measurement result reporting instruction message to the terminal based on the user capability message, and then reporting, to the serving base station, an RS SNR obtained by means of measurement.

RS SNR reporting and receiving method and apparatus

A data demodulation method, apparatus, and system are presented. The method includes obtaining notification information indicating that user equipment (UE) is in a high-speed moving state; performing time-frequency synchronization processing on first downlink data according to the notification information to obtain second downlink data; and performing demodulation processing on the second downlink data to obtain third downlink data, where in the demodulation processing, inter-transmission time intervals (TTIs) filtering for a channel estimation is not performed, or a filtering coefficient as a weight of a current TTI for a channel estimation is greater than a filtering coefficient as a weight of a TTI that is at the time when the UE is in the non-high-speed moving state for a channel estimation. The demodulation method is applicable to a high-speed scenario for improving a downlink data throughput of the UE.

Data demodulation method, user equipment, base station, and system

Embodiments of the present disclosure provide a single positioning controller and a positioning control system. The single positioning controller includes: a sending module, configured to send a first positioning measurement request to a first access network node or a first terminal device; a receiving module, configured to receive at least one first positioning measurement result sent by the first access network node or the first terminal device; and a processing module, configured to perform fusion calculation on the at least one first positioning measurement result to obtain location information of the first terminal device.

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Beijing, China

Anjian Li