Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Guanghui Yu

Bo Dai

Liujun Hu

Yu Xin

Yijian Chen

Zhaohua Lu

Shuqiang Xia

Jin Xu

Peng Hao

Feng Xie

Chunli Liang

Jun Xu

Kun Liu

Shijun Chen

Zhisong Zuo

Zhifeng Yuan

Junfeng Zhang

Senbao Guo

Yu Ngok Li

Lin Chen

Shuanshuan Wu

Xun Yang

Feng Bi

Huahua Xiao

Bin Yu

Yada Huang

YuNgok Li

Yan Xue

Jing Zhao

Weimin Li

Luanjian Bian

Shujuan Zhang

Xing Liu

Ying Huang

Liping Wang

Hui Yu

Weiwei Yang

Lei Liu

Yunfeng Sun

Yifei Yuan

Peng Zhang

Shupeng Li

Yuzhou Hu

Shuai Zhang

Aijun Cao

Ting Miao

Tong Bao

Jian Hua

Weijun Li

Wenhao Liu

Tao Qi

Xin Wan Wu

Yihua Ma

Ruyue Li

Haitao Lu

Qiang Huang

Jing Jiang

Ning Wei

Yong Li

Yong Yu

Xiangyu Liu

Yungok Li

Na Liu

Jiying Xiang

Zhirong Lin

Yuqiang Zhang

Ping Zeng

Yanwei Wu

Liyuan Zhong

Qianzi Xu

Daxiong Xie

Liuqing Yuan

Xianming Zhao

Can Duan

Ningning Tong

Danfeng Zhao

Xiangchao Zhou

Huanxi Tan

Jiashi Lin

Weida Wang

Jian Mengnan

Zheng Peng

Sohail Taheri

Mir Ghoraishi

Pei Xiao

Zhaogang He

Ruimei Li

Xin Wu

Yu Bin

A method for implementing uplink and downlink channel reciprocity, a communication node, and a storage medium are provided. The method for implementing uplink and downlink channel reciprocity includes: performing channel estimation in real time according to a received reference signal to obtain a channel estimation result; inputting the channel estimation result into a pre-trained neural network model, to output a channel adaptive matrix; and performing channel adaptation processing on a transmission signal by applying the channel adaptive matrix to the transmission signal.

Method for implementing uplink and downlink channel reciprocity, communication node, and storage medium

Provided are a symbol sending method, a symbol receiving method, a sending device, a receiving device, and a storage medium. The symbol sending method includes the following: modulating two bits according to a model of a first constellation diagram to obtain a transmission symbol, where the model of the first constellation diagram satisfies the following: four vertices of the first constellation diagram form a rhombus, the lengths of the two diagonal lines of the rhombus are unequal, and each vertex corresponds to one value of the two bits; and sending the transmission symbol.

Symbol sending method, symbol receiving method, sending device, receiving device, and storage medium

This disclosure above describes a method, a device, and a system for encrypting/decrypting physical channels in a wireless communication network. Among various embodiments are: pre-allocating a key, dynamically granting a key, encrypting the physical channel based on key in various levels, dividing the spectrum into two categories, or dividing a network into an initial access network and a private network. In one embodiment, a method for physical channel encryption is disclosed. Performed by a UE, the method may include obtaining a first key for decrypting a first physical channel, the first physical channel being encrypted; and decrypting the first physical channel based on the first key to obtain a signal or data transmitted by a first network element, the signal or the data being carried in the first physical channel.

Method, device, and system for physical channel encryption in wireless networks

A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

System information transmission method and device

Provided are a data transmission method and apparatus, a device, and a storage medium. The method is applied to a first node. The method includes, in the case where the first node is in a connected state, receiving first-node-specific signaling, where the first-node-specific signaling carries idle-state transmission configuration information; and in the case where the first node is in the idle state, performing data transmission with a second node according to the idle-state transmission configuration information.

Data transmission method and apparatus, device, and storage medium

Disclosed are a signal sending method, a signal receiving method, an electronic device and a storage medium. The signal sending method includes the following. A first transmission signal is generated, where the first transmission signal includes a communication signal and a sensing signal, and the sensing signal occupies bandwidth resources of at least two component carriers in a frequency domain; and the first transmission signal is sent.

Signal sending method, signal receiving method, electronic device, and storage medium

Provided are a downlink channel state information estimation method and apparatus, a device, and a storage medium. The downlink channel state information estimation method includes sending a downlink radio frame carrying channel sounding information; receiving an uplink radio frame carrying a first downlink channel state information data set; acquiring an uplink channel state information data set; and determining a second downlink channel state information data set.

Downlink channel state information estimation method and apparatus, device, and storage medium

A symbol transmitting method, including: determining N+1 transmission symbols s, s, s, . . . , s, according to a reference symbol and (M1+M2)*N bits, where 0, 1, 2, . . . , N are indices of the N+1 transmission symbols, sis a reference symbol, an amplitude of a transmission symbol with index n is determined according to M1 bits, a phase of the transmission symbol with index n is determined according to a phase of a transmission symbol with index n−1 and M2 bits, M1 is an integer greater than or equal to 1. M2 is an integer greater than or equal to 1, N is an integer greater than or equal to 1, 1≤n≤N, and n is an integer; and transmitting the N+1 transmission symbols.

Symbol sending method, symbol receiving method, symbol sending device, symbol receiving device and storage medium

This disclosure relates to methods and devices for enabling access to a cell-free wireless communication network. The cell-free wireless communication network may include a plurality of access points and at least one central processing unit controlling the access points. In one implementation, the method may include obtaining an access assisting signal in an access assisting signal set. The access assisting signal set may include a plurality of access assisting signals that enable a user equipment to initially access to the cell-free wireless communication network. The method may include broadcasting the access assisting signal. The plurality of access points broadcast respective access assisting signals at a same time.

Method and device for enabling access to wireless communication network

A data transmission method is provided, the method includes: transmitting to-be-transmitted data in N frequency domain resource blocks, wherein the N frequency domain resource blocks include at least one subcarrier respectively, and N is an integer greater than or equal to 1; performing a first processing on to-be-transmitted data on each frequency domain resource block of the N frequency domain resource blocks, to form N data sequences; performing a second processing on the N data sequences to form a data sequence; and transmitting the data sequence.

Data transmission method and apparatus, data modulation method and apparatus, electronic device, and storage medium

Provided are a data modulation method and apparatus, a device, and a storage medium. The data modulation method includes modulating a data sequence by using N constellation point modulation symbols {S(n)}, where the N constellation point modulation symbols are divided into two groups of modulation symbols, the phase difference between the two groups of modulation symbols is a preset angle, n is an integer from 0 to N−1, and N is an even integer greater than or equal to 4; and transmitting, on a physical resource, data symbols obtained after modulation.

Data modulation method and apparatus, device, and storage medium

This document generally relates to use of non-coaxial estimation and compensation for orbital angular momentum (OAM) communication. The transmitting node may transmit an OAM signal to a receiving node. A non-coaxial parameter estimation node may determine one or more non-coaxial parameters according to the OAM signal. The transmitting node and/or the receiving node may perform beam forming and/or channel compensation based on the non-coaxial parameters.

OAM non-coaxial estimation and compensation

Embodiments of the present disclosure provide a multi-user detection method and apparatus for cell-free Multiple-Input Multiple-Output (MIMO). The method includes: receiving, by a Central Processing Unit (CPU) of a cell-free MIMO system, an MRC merged data symbol stream S=HY of K users transmitted by an Access Point (AP), and multiplying Sby a conjugate transpose matrix Sof Sto obtain a K*K matrix SS; and performing singular value decomposition on the matrix SSto obtain a unitary matrix V and a diagonal matrix A, obtaining a diagonal matrix Λ according to the diagonal matrix A, and estimating sending-end data symbols of the K users by a formula {tilde over (S)}=VΛVS.

Multi-user detection method and apparatus for cell-free MIMO

This disclosure relates to methods and devices for configuring guard subcarriers in transmission subbands to reduce interband interference in a wireless communication network. In one implementation, the method may include determining that a first subcarrier spacing for a first radio frequency transmission band is less than a second subcarrier spacing for a second radio frequency transmission band, and the first radio frequency transmission band is close to the second radio frequency transmission band in frequency spectrum. The method may further include configuring a subcarrier of the first radio frequency transmission band as a guard subcarrier carrying dummy data when the first radio frequency transmission band and the second radio frequency transmission band are simultaneously used to transmit data loads.

Method for configuring guard subcarriers

Provided is an information transmission method, apparatus and system. The information transmission method includes: obtaining, by a first communication node, a control channel description list which includes description information of N control channels, where N is a positive integer and the description information of each of the control channels includes one or more of: control channel configuration information, reference signal configuration information, link resource configuration information, operating bandwidth configuration information, puncturing configuration information, frequency hopping configuration formation, transmission time interval length configuration information, power control configuration information and beam configuration information; and sending, by the first communication node, the control channel description list to a second communication node.

Information transmission method, apparatus and system

Growing community of inventors

Shenzhen, China

Guanghui Yu