Zte Corporation

Sony Corporation

Xi'an Zhongxing New Software Co., Ltd.

Black Sesame Technologies Inc.

Sony Group Corporation

Intel Corporation

Huawei Technologies Co., Limited

Boe Technology Group Co., Ltd.

Toshiba Medical Systems Corporation

Ordos Yuansheng Optoelectronics Co., Ltd.

Other

Marvell International Limited

China Petroleum & Chemical Corporation

New H3c Technologies Co., Ltd.

China Mobile Communications Corporation

Jin Xu

Jun Xu

Mengzhu Chen

Liujun Hu

Bo Dai

Guanghui Yu

Jianfei Cao

Zhifeng Yuan

Yu Xin

Siqi Liu

Qiujin Guo

Yu Ngok Li

Huiying Fang

Jizhang Shan

Xiaofeng Tao

Focai Peng

Luanjian Bian

Hao Wu

Yuxin Wang

Jinhui Chen

Zhisong Zuo

Kaibo Tian

Peng Hao

Shuqiang Xia

Bo Sun

Zhaohua Lu

Shuanshuan Wu

Subramaniam M Maiyuran

Chen Sun

Lin Chen

Wei Gou

Jing Shi

Chunli Liang

Tao Li

Qi Liu

Jun Zhang

Xiaodong Xu

Feng Xie

Qimei Cui

Yu Sun

Thomas A Piazza

Takayuki Yoshigahara

Yu Wei Chen

Hui Xing Wang

Nan Li

Ce Wang

YuNgok Li

Ke Wang

Kensuke Shinoda

Wei Luo

Liguang Li

Chaonan He

Zewei Chen

Cheng Gao

Hang Yang

Tong Bao

Saijin Xie

Dongru Li

Song Li

Bo Li

Yugang Ma

Xiaobing Sun

Kanzo Okada

Shuai Zhang

Jian Hua

Fangwen Tu

Cuihong Han

Batuhan Okur

Xuan Ma

Jian Zhang

Jian Kang

Qiang Fu

Lodiya Radhakrishnan Vijayanand

Wenjing Ren

Chao Hsu Lee

Wei Lu

Ashutosh Garg

Xin Xu

Zailong Mo

Xiaoying Ma

Wenjun Yan

Yi Lu

Jorge F Garcia Pabon

Da Zhou

Ningyu Chen

Rui Gao

Qun Ma

Jiahui Liu

Michael K Dwyer

Dawei Zhang

Yasuo Sakurai

Jianqiang Wang

Yuanyuan Ma

Zhenping Hu

Yunqiu Xiao

Guojie Li

Jun Yuan

Shubh Shah

Yubo Duan

Hong Jiang

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

The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to determining a transport block size. In one exemplary aspect, a method for wireless communication is disclosed. The method includes receiving, by a terminal, a first message that identifies a first coding rate and a second coding rate. The method also includes performing, by the terminal, a first operation relating to a first coding operation and using the first coding rate. The method also includes performing, by the terminal, a second operation relating to a second coding operation and using the second coding rate. The method also includes transmitting or receiving, by the terminal, a second message using information related to the first operation and/or the second operation.

Transport block size determination

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 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

Provided are a method, apparatus and system for processing feedback information. The method includes: the first transmission node receiving a signal of a data shared channel, and determining data transmission level indication information of a transport block according to the signal; and the first transmission node transmitting the data transmission level indication information corresponding to the transport block to a second transmission node.

Feedback information processing method, device and system

Provided is a rate matching method and device for a Polar code. The method includes: concatenating K information bits and (N−K) frozen bits to generate a bit sequence of N bits, and encoding the bit sequence of N bits by means of a Polar code encoder with a generator matrix of size N×N to generate an initial bit sequence {S, S, . . . , S} of N bits, where K and N are both positive integers and K is less than or equal to N; dividing a circular buffer into q parts, selecting bits from the initial bit sequence {S, S, . . . , S} in a non-repeated manner, and writing the bits into the q parts of the circular buffer according to a predefined rule, where q=1, 2, 3 or 4; and sequentially selecting a bit sequence of a specified length from a predefined starting position in a bit sequence in the circular buffer and taking the bit sequence of the specified length as a bit sequence to be transmitted.

Rate matching method and apparatus for polar code

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

The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to channel coding and modulation. In one exemplary aspect, a method for wireless communication is disclosed. The method includes performing multiple operations that include a first operation related to pre-channel coding and/or a second operation comprising attaching redundancy check bits in an order. The method can also include generating a transmission waveform by a first node using one or more bits for transmission to a second node over a wireless channel using information derived from the multiple operations.

Channel coding and modulation

Methods, apparatus and systems for determining a transport block size in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed, the method including: receiving control information from a wireless communication node, wherein the control information includes a plurality of transmission parameters related to transport blocks to be transmitted between the wireless communication device and the wireless communication node; calculating an intermediate transport block size (TBS) for the transport blocks based on the plurality of transmission parameters; modifying the intermediate TBS to generate a modified TBS in response to an event that the intermediate TBS is smaller than a threshold; and determining a final TBS for the transport blocks based on a TBS that is closest to the modified TBS, among TBSs that are in a quantized set and not smaller than the modified TBS.

Methods, apparatus and systems for determining a transport block size in a wireless communication

Methods, systems, and devices for power saving schemes in a wireless communication are described. A wireless communication method is provided to include obtaining, by a network device, one or more parameters of a user device, determining, by the network device, whether the one or more parameters satisfy a predetermined condition, and configuring the user device in a power saving mode based on the one or more parameters.

Power saving schemes in wireless communication

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

A quasi-cyclic LDPC coding and decoding method and apparatus, and an LDPC coder and decoder. The method includes: determining from a mother basis matrix set a basis matrix used for low density parity check (LDPC) coding (S), wherein the basis matrix used for LDPC coding includes a first-type element and a second-type element, the first-type element corresponds to an all-zero square matrix, the second-type element corresponds to a matrix obtained by means of a cyclic shift of a unit matrix according to a value of the second-type element, and dimensions of the all-zero square matrix and the unit matrix are equal; and performing LDPC coding on an information sequence to be coded according to the basis matrix used for LDPC coding, and/or performing LDPC decoding on a data sequence to be decoded according to the basis matrix used for LDPC coding (S).

Quasi-cyclic LDPC coding and decoding method and apparatus, and LDPC coder and decoder

Provided is a method and an apparatus for encoding CSI, a storage medium, and a processor, where the method includes: placing a first type of information bits of the CSI in a first type of position indexes of the position index set, and determining, from the indexes other than the first type of position indexes determined by the first type of information bits in the position index set, indexes of the second type of information bits of the CSI, indexes of the third type of information bits of the CSI, and indexes of the fourth type of information bits in the position index set; or placing the fourth type of information bits in the fourth type of position indexes of the position index set, and determining indexes of the first type of information bits, indexes of the second type of information bits, and indexes of the third type of information bits of the CSI in the position index set from indexes other than the fourth type of position indexes determined by the fourth type of information bits in the position index set. The present disclosure solves the problem that positions of various types of information in the CSI reporting cannot be reasonably mapped in the related art.

Channel state information encoding method and apparatus, storage medium and processor

A data modulation method, a communication device and a storage medium are disclosed. The data modulation method includes, performing a preset modulation operation on B consecutive data blocks, and configuring the B consecutive data blocks to have a same head-end reference signal sequence and/or a same tail-end reference signal sequence, inserting Z zeros between adjacent time domain data of the B consecutive data blocks; performing a filtering operation on the B consecutive data blocks into which Z zeros have been inserted, and transmitting the filtered data on a physical resource, where B is greater than or equal to 2 (i.e., B≥2), and Z is greater than or equal to 0 (i.e., Z≥0).

Data modulation method, communication device and storage medium

Growing community of inventors

Shenzhen, China

Jin Xu