Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Huawei Technologies Co., Limited

Weimin Li

Zhifeng Yuan

Yuzhou Hu

Hong Tang

Jianqiang Dai

Li Tian

Jian Li

Qiujin Guo

Junfeng Zhang

Yihua Ma

Xun Yang

Bo Dai

Yu Ngok Li

Peng Hao

Guanghui Yu

Liujun Hu

Zhigang Li

Xinming Liu

Lu Ren

Zhaohua Lu

Shuqiang Xia

Kun Liu

Huiying Fang

Weiwei Yang

Wenfeng Zhang

Yifei Yuan

Shupeng Li

Xiangyu Liu

Ziyang Li

Junfeng Lu

Chunlin Yan

Chunliang Xu

Maobin Li

Jiejun Zhou

Zhenxing Wan

Chaochao Li

Fuwei Lei

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

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

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

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

An adapter device, a feeder device, and an antenna are provided. The adapter device includes a coaxial cable, an air dielectric microstrip, a ground plane, and a non-flat metal part. An outer conductor of the coaxial cable is electrically connected to the non-flat metal part, the non-flat metal part and the ground plane form non-flat capacitive coupling, and an inner conductor of the coaxial cable is electrically connected to the air dielectric microstrip. The outer conductor of the coaxial cable is grounded.

Adapter device comprising a coaxial cable coupled to an air-dielectric microstrip and including a non-flat capacitive coupling formed by a non-flat ground plane with a non-flat metal part

Systems and methods for determining a mapping that associates a plurality of preambles to a plurality of channel resource units used to carry a plurality of payloads associated with the plurality of preambles, including but not limited to, determining that the plurality of channel resource units is carrying the plurality of payloads, determining that a set of preambles of the plurality of preambles is associated with a same beam, and prioritizing mapping the set of preambles to reference signals of the plurality of channel resource units corresponding to different code division multiplexing (CDM) groups.

Methods and apparatuses for a random access channel (RACH) structure

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

Provided are transmission methods and devices, a terminal, a base station, a communication system and a storage medium. The method includes: acquiring a first index, acquiring first information, and in response to determining that the first index satisfies a first preset rule according to the first information, determining that content to be transmitted includes a first message.

Transmission methods and devices, and terminal, base station, communication system, and storage medium

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

The present disclosure relates to phase shifters, antennas, and base stations. One example phase shifter includes a cavity, a built-in printed circuit board (PCB), and a stress relief portion. The stress relief portion is connected to the PCB, and the stress relief portion is configured to reduce a stress generated due to different coefficients of thermal expansion (CTE) of the cavity and the PCB.

Phase shifter, antenna, and base station

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

Methods, systems, and devices for timing adjustments for data transmissions in mobile communication technology are described. An exemplary method for wireless communication includes determining, by the first device, a distance between the first device and the second device, and performing a transmission based on a timing adjustment that is determined using the distance. Another exemplary method for wireless communication includes broadcasting, by the second device, a location information of the second device, and receiving, from the first device, a transmission, where the first device is configured to communicate the transmission based on a timing adjustment that is determined using the distance, and where the distance is based on a location information of the first device and the location information of the second device.

Timing adjustments for data transmission in wireless systems

Disclosed are a power determination method, a power determination apparatus, a terminal and a storage medium. The power determination method includes: acquiring a power ramping amount according to a power ramping count value and a power ramping step, where the power ramping count value includes a power ramping count value of a first transmission mode and a power ramping count value of a second transmission mode; and determining a transmission power according to the power ramping amount.

Power determination method and apparatus, terminal and storage medium

Methods, systems, and devices for a two-step random access procedure in mobile communication technology are described. An exemplary method for wireless communication includes receiving, by a network node, a random access message that comprises at least one of a radio network temporary identifier (RNTI), an identity of the wireless device, an establishment cause, uplink control information (UCI) or beam information, and transmitting, to a wireless device, a contention resolution message, wherein at least a portion of the random access message is modulated using a first modulation scheme selected from a modulation group that comprises binary phase shift keying (BPSK) and π/2-BPSK.

Growing community of inventors

Shenzhen, China

Weimin Li