Beijing Unisoc Communications Technology Co., Ltd.

Chinese Academy of Sciences

Harvard College

Ce Pharm Co., Ltd.

Spreadtrum Communications (shanghai) Co., Ltd.

Lianhe Chemical Technology Co., Ltd

Shanghai Institute of Organic Chemistry

Lianhe Chemical Technology (taizhou) Co., Ltd

Dawei Ma

Junying Yuan

Yijun Zhou

Shan Qian

Wei Zhou

Huayu Zhou

Zhengang Pan

Xinghang Gao

Junli Yin

Mengyang Fan

Haibo Wu

Xi Jiang

Weiming He

Zhigao Zhang

You Hang Wang

Shanghua Xia

Shaolin Zhu

Shouyun Yu

Yuntong Zhai

Qianghui Zhou

Songtao Niu

A method and an apparatus for determining a PDSCH reception beam, a storage medium, and a terminal are provided. The method includes: receiving one or more PDCCHs and determining a to-be-received PDSCH, wherein the to-be-received PDSCH is repeatedly scheduled by the one or more PDCCHs; determining a duration between a last symbol of the one or more PDCCHs which schedule the to-be-received PDSCH and a first symbol of the to-be-received PDSCH; using a first reception beam to receive the to-be-received PDSCH based on the duration being shorter than a preset duration; and using a second reception beam to receive the to-be-received PDSCH based on the duration being longer than or equal to the preset duration, wherein the first reception beam and the second reception beam are the same or different.

Method and apparatus for determining PDSCH reception beam, storage medium, and terminal

A wake-up signal resource determining method and apparatus, a wake-up signal resource configuration method and apparatus, a terminal, and a base station. The resource determining method comprises: receiving resource configuration information sent by a network; and determining, according to the resource configuration information, a frequency domain resource and/or a time domain resource configured for a wake-up signal. According to the technical solutions provided by embodiments of the present invention, resources for wake-up signals can be flexibly configured, and resource conflict between different wake-up signals is avoided.

Wake-up signal resource determining method and apparatus, wake-up signal resource configuration method and apparatus, terminal, and base station

An uplink data transmission method, a user equipment and a readable storage medium are provided. The method includes: receiving uplink scheduling information, wherein the uplink scheduling information comprises indication information of a Transmitted Precoding Matrix Indicator (TPMI) corresponding to each subband used for transmitting the uplink data, and the indication information of the TPMI corresponding to each subband corresponds to a same Rank Indicator (RI) information; determining a precoding matrix corresponding to each subband based on the indication information of the TPMI corresponding to each subband, respectively; and precoding the uplink data to be transmitted on each subband based on the precoding matrix corresponding to each subband, respectively, and transmitting the uplink data.

Uplink data transmission method, user equipment and readable storage medium

A wake-up signal resource determining method and apparatus, a wake-up signal resource configuration method and apparatus, a terminal, and a base station. The resource determining method comprises: receiving resource configuration information sent by a network; and determining, according to the resource configuration information, a frequency domain resource and/or a time domain resource configured for awake-up signal. According to the technical solutions provided by embodiments of the present invention, resources for wake-up signals can be flexibly configured, and resource conflict between different wake-up signals is avoided.

A method and device for determining a time-frequency pattern of a downlink positioning reference signal, a storage medium and a base station, the method including: determining a number of subcarriers M occupied by a time-frequency pattern of a positioning reference signal on each symbol according to a preset frequency domain multiplexed factor; generating, for multiple time slots scheduled by a user equipment, initial time-frequency patterns in a resource block where each time slot is located according to the number of subcarriers M, the initial time-frequency patterns occupying all symbols in the resource block, and occupying M subcarriers on each symbol; and filtering M initial time-frequency patterns in each resource block according to the attributes of the symbol in each resource block, so as to determine valid time-frequency patterns in each resource block. Therefore, a time-frequency pattern of a downlink positioning reference signal in a NR system may be determined.

Method and device for determining time-frequency pattern of downlink positioning reference signal, storage medium and base station

An uplink data transmission method, a user equipment, and a readable storage medium are provided. The method includes: receiving DCI, wherein the DCI includes a sounding reference signal resource indication field and a precoding information field, the sounding reference signal resource indication field includes indication information of two or more transmission beams corresponding to to-be-transmitted uplink data, and the precoding information field includes transmission precoding matrix indication information corresponding to each of the two or more transmission beams; determining a transmission precoding matrix corresponding to each transmission beam based on the transmission precoding matrix indication information corresponding to the transmission beam; and transmitting uplink data based on the transmission precoding matrix corresponding to each transmission beam. By the method, the transmission precoding matrices corresponding to multiple transmission beams are indicated in DCI, thereby improving reliability of uplink data transmission.

Uplink data transmission method, user equipment, and readable storage medium

Aperiodic ZP CSI-RS resource set determination and configuration methods and devices, a storage medium, a user equipment, and a network end. The determination method comprises: receiving a PDCCH, and the PDCCH scheduling K time slots for transmitting a PDSCH; extracting from the PDCCH a preset number of bits of indication information of an aperiodic ZP CSI-RS resource set; extracting &#x250c;logJ&#x2510; bits from the indication information, and determining a selected aperiodic ZP CSI-RS resource set according to an extraction result; and determining, according to a comparison result between the number of bits of the indication information and &#x250c;logJ&#x2510;, the position of a ZP CSI-RS resource indicated by the selected aperiodic ZP CSI-RS resource set in the K time slots. The solution of the invention enables UE to accurately determine a selected aperiodic ZP CSI-RS resource, thereby improving the accuracy of decoding.

Aperiodic ZP CSI-RS resource set determination and configuration methods and devices, storage medium, user equipment, and network end

The present invention provides a preparation method for a natural product Trabectedin. Specifically, the present invention provides a preparation method for Et-743. In the method, tyrosine is used as an initial substrate, and after 26 steps of reaction, the Et-743 is synthesized. Raw materials and agents used in the synthetic route can all easily be obtained, reaction conditions are relatively mild, and preparation in large scale can be implemented.

Preparation for natural product trabectedin

Provided are a heterocyclic carboxylic acid amide ligand and applications thereof in a copper catalyzed coupling reaction. Specifically, provided are uses of a compound represented by formula (I), definitions of radical groups being described in the specifications. The compound represented by formula (I) can be used as the ligand in the copper catalyzed coupling reaction of the aryl halogeno substitute, and is used or catalyzing the coupling reaction for forming the aryl halogeno substitute having C&#x2014;N, C&#x2014;O, C&#x2014;S and other bonds. 

Heterocyclic carboxylic acid amide ligand and applications thereof in copper catalyzed coupling reaction of aryl halogeno substitute

A compound having the following structure (I): or a pharmaceutically acceptable salt, prodrug, stereoisomer or tautomer thereof, is provided. Related compounds, methods for preparation of the same and uses of the compounds for treatment of various indications, including treatment of necrotic cell diseases and/or inflammation, are also provided.

Inhibitors of cellular necrosis and related methods

The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of C&#x2014;N, C&#x2014;O and C&#x2014;S bonds. 

Oxalic amide ligands, and uses thereof in copper-catalyzed coupling reaction of aryl halides

Chiral amino compounds, methods of preparation and uses thereof. Tamiflu can be obtained from the said compounds. Multi-substituted chiral tetrahydropyrrolyl amine which can be used as intermediate compounds of medicament can also be produced by the said compounds.

Growing community of inventors

Shanghai, China

Dawei Ma