Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Zhifeng Yuan

Weimin Li

Yuzhou Hu

Jun Xu

Jin Xu

Jianqiang Dai

Liujun Hu

Hong Tang

Li Tian

Yihua Ma

Guanghui Yu

Wei Cao

Yuanli Fang

Yifei Yuan

Jian Li

Qiujin Guo

Song Li

Bo Dai

Chunlin Yan

Xun Yang

Liguang Li

Zhigang Li

Ziyang Li

Zhaohua Lu

Shuqiang Xia

Kun Liu

Bo Sun

Huiying Fang

Feng Xie

Nan Zhang

Yu Xin

Kaibo Tian

Mingyue Wang

Xiangbiao Yan

Qianzi Xu

Sha Wang

Xianwei Gong

Junfeng Zhang

Tao Li

Xianming Chen

Wei Luo

Zhongda Du

Chen Huang

Wenjun Yan

Xiangyu Liu

Shiwen He

Haiming Wang

Zhili Sun

Techniques are described for a grant-free transmission. A wireless method includes generating and transmitting the same message via one or more transmission channels. The message includes information indicative of one or more channel indexes associated with the one or more transmission channels, one or more pilot signals associated with the one or more transmission channels, one or more spreading sequences associated with the one or more transmission channels, one or more scrambling sequences associated with the one or more transmission channels, or an interleaving technique associated with the one or more transmission channels.

Grant free transmission techniques

A system and method for sending data are disclosed herein. In one embodiment, a method performed by a wireless communication device includes generating, by a wireless communication device, a plurality of packets to be transmitted via a plurality of resource positions in frequency domain and time domain. The method includes transmitting, by the wireless communication device, each of the plurality of packets with information indicative of at least a resource position of another of the plurality of packets.

System and method for sending data

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

Provided are a data transmission method and apparatus, a user equipment, a base station, a communication system and a storage medium. The method includes abiding by a mapping relationship between the resource configuration of a physical uplink shared channel (PUSCH) resource and preamble sequence configuration information according to the resource configuration of the PUSCH resource and determining preamble sequence configuration information corresponding to the resource configuration of the PUSCH resource; mapping a preamble sequence onto a physical random access channel (PRACH) resource according to the preamble sequence configuration information; and sending a message containing the PRACH resource and the PUSCH resource.

Data transmission method and device, user equipment, base station, communication system and storage medium

A wireless communication method includes a network node that transmits to one or more communication nodes a set of parameters for selection of a multiple access transmission scheme from a plurality of multiple access transmission schemes, such as an orthogonal multiple access (OMA) scheme and a non-orthogonal multiple access (NOMA) scheme. The network node receives data transmitted by a communication node using the multiple access transmission scheme selected by the communication node. The network node can also transmit one or more sets of parameters for one or more transmission configuration groups or a set of parameters for re-transmission, where the transmission configurations group(s) and the parameters for re-transmission define a multiple access transmission scheme to be selected from a plurality of multiple access transmission schemes.

Multiple access transmission configurations

Provided are a signal processing method and apparatus, a first communication node, a second communication node, and a storage medium. The signal processing method includes acquiring N first sequences, combining the N first sequences to obtain a second sequence, and generating a signal according to the second sequence. N is an integer greater than or equal to 2.

Signal processing method and apparatus, first communication node, second communication node, 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

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

Provided are an information transmission method and apparatus, a communication device, a communication node and a computer-readable storage medium. The method includes that: a communication device determines a second signal according to N bits in first information, wherein the second signal includes at least one of a preamble and a Reference Signal (RS), and N is an integer greater than or equal to 1; and the communication device sends a message A including the second signal.

Information transmission method and apparatus, communication device, communication node and computer-readable storage medium

Methods, apparatus and systems for reference signal configuration in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed. The method comprises: generating a pilot signal occupying N symbol resources, wherein the pilot signal includes at least one most sparse reference signal (RS) port that is determined from a predetermined pool of most sparse RS ports, wherein the predetermined pool includes at least N most sparse RS ports, wherein N is an integer larger than one; and transmitting a signal comprising the pilot signal to a wireless communication node.

Methods, apparatus and systems for reference signal configuration in wireless communications

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

Disclosed are methods, apparatuses, systems, and computer readable media. In one aspect, a wireless communication method is disclosed. The method includes generating, at a first radio terminal, a signal comprising a pilot signal, wherein the pilot signal includes W pilot sequences, wherein W is an integer, and wherein the W pilot sequences are uncorrelated; and transmitting, from the first radio terminal to a second radio terminal, the signal.

Multi-pilot reference signals

Provided are a data sending method and apparatus, a data receiving method and apparatus, a data transmission system, and a storage medium. The data sending method includes: a first data stream is acquired, where the first data stream includes multiple coded data symbols; an N-dimensional orthogonal transformation is performed on the first data stream to obtain an orthogonally transformed first data stream, where N≥2; a modulation processing is performed on the orthogonally transformed first data stream to obtain a first radio frequency signal; and the first radio frequency signal is sent.

Data sending method and apparatus, data receiving method and apparatus, data transmission system, and storage medium

Methods, systems, and devices for contention-based transmissions using differential coding techniques in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a wireless device, a payload that comprises an identity of the wireless device and at least one of a user plane data or a control plane data, where the payload is modulated using a differential coding technique. Another exemplary method for wireless communication includes receiving, by a network node, a payload that comprises an identity of the wireless device and at least one of a user plane data or a control plane data, where the payload is modulated using a differential coding technique.

Contention-based payload transmissions using differential coding

Growing community of inventors

Shenzhen, China

Zhifeng Yuan