Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Guozeng Zheng

Zhaohua Lu

Hao Wu

Huahua Xiao

Chuangxin Jiang

Yong Li

Yu Ngok Li

Shujuan Zhang

Yijian Chen

Bo Gao

Yu Liu

Yu Pan

Cheng Bi

Provided are a method and apparatus for feeding back layer information, a method and apparatus for receiving layer information, a communication node and a medium. The method for feeding back layer information includes: receiving configuration information of a first communication node; determining layer information of the first communication node according to the configuration information; and feeding back the layer information to the first communication node.

Method and apparatus for feeding back layer information, method and apparatus for receiving layer information, communication node and medium

Presented are systems, methods, apparatuses, or computer-readable media for performing positioning procedures. A wireless communication device may receive, from a wireless communication node, information to facilitate positioning of the wireless communication device. The wireless communication device may determine to initiate a positioning procedure while in radio resource control (RRC) inactive state. The wireless communication device may perform, while in RRC inactive state, the positioning procedure.

Positioning procedures for user equipments in inactive state

Provided are an information acquisition method and apparatus, a device, and a storage medium. The method includes: determining the first configuration information of a CSI report, where the first configuration information includes a CSI-RS resource associated with the CSI report and an SRS resource associated with the CSI report, the CSI-RS resource is configured for carrying a channel state information reference signal, and the SRS resource is configured for carrying a sounding reference signal; sending the first configuration information to a second communication node; receiving the CSI report fed back by the second communication node, where the CSI report is generated according to the measurement performed on the channel state information reference signal carried in the CSI-RS resource; and obtaining corresponding channel state information according to the CSI report.

Information acquisition method and apparatus, device, and storage medium

Provided are a channel state information feedback method and apparatus, and a storage medium. The channel state information feedback method comprises: calculating, by a first communication node, actual channel state information, and transmitting, by the first communication node, first-type signaling to a second communication node, wherein the first-type signaling comprises a channel state information report, the channel state information report comprises precoding information; in a case where a resource for transmitting the first-type signaling is less than a resource required for transmitting the actual channel state information, discarding, by the first communication node, part of the precoding information in the actual channel state information according to a priority order.

Channel state information feedback method and apparatus, and storage medium

This disclosure relates to channel state information reference signal configuration, precoding, and transmission, and channel state information feedback configuration, compression, and transmission in multiple-input and multiple-output (NEMO) wireless communication systems. The various embodiments provide channel state information reference signal and feedback schemes which facilitate a decrease of the amount of information that need to be transmitted and reduce communication resource overhead for channel state information configuration and feedback.

Method for compressing wireless channel state information feedback

Presented are systems and methods for acquiring channel state information. A wireless communicate node may transmit a channel state information reference signal (CSI-RS) to a wireless communication device via a first antenna port of a plurality of antenna ports of the wireless communication node. The wireless communication node may receive a channel state information (CSI) report from the wireless communication device.

Acquiring channel state information

A wireless communication method for use in a wireless terminal is disclosed. The wireless communication method comprises transmitting, to a wireless network node, positioning state information in a physical uplink channel.

Method for positioning state information report

A wireless communication method includes receiving, by a wireless communication device from a wireless communication node, a downlink control message; and sending, by the wireless communication device to the wireless communication node, in response to receiving the downlink control message, an uplink signal, wherein the uplink signal is configured for the wireless communication node to position the wireless communication device.

Systems and methods to trigger sending uplink messages

System, methods and apparatuses for enhancing localization of wireless communication devices can include a wireless communication node transmitting, and a wireless communication device receiving, a plurality of reference signals (RSs), for measurement. Each RS can be communicated along a respective transmission link. The wireless communication device can transmit, and the wireless communication node can receive, at least one of assistance information or a report on reference signal receive powers (RSRPs) of a subset of the plurality of RSs, to assist determination of a line-of-sight (LOS) transmission link among the respective transmission links.

Methods and devices to reduce ALOS and NLOS impact on positioning

This disclosure describes methods and systems for estimating positions of a mobile terminals. The position of a mobile terminal may be estimated based on measured timing information of reference signals transmitted by a plurality of base stations and received by the mobile terminal as compensated by non-line-of-sight (NLOS) delay times in the reference signal propagation times. The NLOS delay times may be estimated using one or more positioning anchors. Alternatively, the NLOS delay times may be estimated by using multiple spatially separate antennas of the mobile terminal, by jointly with other mobile terminals, or by using other approximation methods. The approaches provided by this disclosure facilitate more accurate position estimates for high precision mobile positioning applications.

Methods and systems for positioning of wireless devices

Provided are CSI feedback and receiving methods, apparatuses, a device, and a storage medium. The method includes: a terminal determines PMI, the PMI includes at least one of: first base vector information, second base vector information, second coefficient amplitude information or phase information; for one transmission layer, a frequency domain resource in one preset frequency domain unit corresponds to one precoding vector, the precoding vector is a linear combination of first base vectors, and weighting coefficients used in the linear combination of the first base vectors are first coefficients; on multiple frequency domain units contained in a CSI feedback band, a vector composed of first coefficients corresponding to a same first base vector is a linear combination of second base vectors, and weighting coefficients used in the linear combination of the second base vectors are second coefficients; and the terminal feeds back CSI containing the PMI to a base station.

CSI feedback and receiving methods, apparatus, device, and storage medium

In one embodiment, a method performed by a wireless communication node includes configuring, by a wireless communication node, a transmission repetition mode and at least one resource for an uplink channel transmission of a wireless communication device, the transmission repetition mode indicating at least one of: a number of times of the uplink channel transmission to be performed, one or more multiplexing modes of the number of times of the uplink channel transmission to be performed, and one or more time locations of the number of times of the uplink channel transmission to be performed. The method includes transmitting, by the wireless communication node, the transmission repetition mode to the wireless communication device.

System and method for transmission repetition mode indicators

A channel state information processing method and apparatus, and a channel state information receiving method and apparatus are provided. The channel state information processing method includes that: a second communication node receives configuration information sent by a first communication node, wherein the configuration information at least includes: a target frequency band used for indicating channel state information; the second communication node determines a first target frequency band and generates first channel state information corresponding to the first target frequency band according to the configuration information, wherein the first channel state information includes precoding matrix information; and the second communication node feeds back the first channel state information to the first communication node.

Channel state information processing method and apparatus, and channel state information receiving method and apparatus

A system and method for interference management. The system and method include configuring, by a wireless communication node, a resource mapping pattern for a reference signal; and updating, by the wireless communication node based on a time-domain position of the reference signal, the resource mapping pattern by changing a sequence that represents a plurality of frequency-domain offsets of the reference signal relative to a frequency-domain position of the reference signal.

Systems and methods for interference management

A method and apparatus for processing location information and a non-transitory computer-readable storage medium are disclosed. The method may include: transmitting, by a location management function (LMF) server, location request information to a serving cell of a terminal device, the location request information at least comprising sounding reference signal (SRS) configuration recommendation information; receiving, by the LMF server, location response information transmitted by the serving cell, the location response information at least comprising SRS configuration determination information; and transmitting, by the LMF server, measurement request information to a transmission receive point (TRP), the measurement request information comprising the SRS configuration determination information.

Growing community of inventors

Shenzhen, China

Guozeng Zheng