Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Zte (USA) Inc.

Shenzhen Grandsun Electronic Co., Ltd.

Yu Xin

Peng Hao

Guanghui Yu

Jin Xu

Tong Bao

Liujun Hu

Jun Xu

Luanjian Bian

Jian Hua

Wubin Zhou

Guoping Xu

Hao Wu

Yonggang Fang

Zhisong Zuo

Zhifeng Yuan

Xin Hui Zhang

Yang Liu

Wenfeng Zhang

Liguang Li

Jiao Wu

Jia Ni

Xiaowu Zhao

Lei Cao

Aijun Cao

Xin Zhang

Jianwei Wang

Wu Haiquan

Shi Ruiwen

Qian Yang

Xin Yuanfa

Pei Xiao

Dacheng Yang

Liang Ren

Mir Ghoraishi

Sohail Taheri

Disclosed are a data transmission method and apparatus, an electronic device, and a storage medium. The data transmission method includes the following steps: A sequence Sis inserted before each first data sequence among L to-be-transmitted first data sequences and a sequence Sis inserted after each first data sequence so as to form L second data sequences, where L is an integer greater than or equal to 2, the sequence Sconsists of N sequences Sand one sequence Sthat are connected sequentially, and N is an integer greater than or equal to 1; and the L second data sequences are transmitted.

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

A data transmission method includes transmitting to-be-transmitted data in N frequency domain resource blocks, where each of the N frequency domain resource blocks includes K(n) subcarriers, where n=1, 2, . . . , N, N is greater than or equal to 1, and K(n) is greater than or equal to 1; performing inverse Fourier transform and an upsampling operation on the to-be-transmitted data in each of the N frequency domain resource blocks to form N groups of data sequences; and transmitting the N groups of data sequences.

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

Provided are a signal modulation method and device, and a storage medium. The method includes: generating a first bit sequence and a second bit sequence; modulating the first bit sequence with a first modulation scheme to obtain a corresponding modulation symbol including control information; and modulating the second bit sequence with a second modulation scheme to obtain a corresponding modulation symbol including data information.

Signal modulation method and device, and storage medium

Provided are a data modulation method and device, a data demodulation method and device, a service node, a terminal, and a medium. The data modulation method is applied to the service node, and the data modulation method includes that: a modulation parameter A is determined according to a modulation manner of data; and the data is modulated according to a target constellation point symbol, where the target constellation point symbol is a product of A and X, and X is an initial constellation point symbol corresponding to the modulation manner.

Data modulation method and device, data demodulation method and device, service node, terminal, and 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

Provided are a resource allocation method, a device, and a storage medium. The resource allocation method includes determining the number of resource blocks according to the length of a reference signal sequence, a roll-off factor of a frequency domain filter, and the number of subcarriers contained in each resource block and allocating frequency domain resources for a transmission band according to the number of resource blocks.

Resource allocation method, and 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

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

Disclosed are a sequence generation method, a sequence generation apparatus and a non-transitory computer-readable storage medium. The sequence generation method may include generating a first sequence according to a pre-generated random sequence, and using the first sequence as a reference signal sequence. The first sequence has a plurality of elements which are all in a form of complex numbers and have a same modulus value, a phase difference between two adjacent elements is less than π/2, and the modulus value is an amplitude value indicating signal strength.

Sequence generation method and device, and storage medium

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 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

Methods, apparatus, and systems for increasing spectral efficiency for transmissions with different numerologies. In one example aspect, a wireless communication method. The method includes operating, by a communication device, a first transmission band associated with a first numerology. The first transmission band comprises a first subcarrier spacing Δf1 and a first symbol length of T1 in time domain. The method includes operating, by the communication device, a second transmission band associated with a second numerology. The second transmission band comprises a second subcarrier spacing Δf2. The method also includes operating, by the communication device, a third transmission band positioned between the first transmission band and the second transmission band. The third transmission band comprises a subcarrier spacing equal to the second subcarrier spacing Δf2 and a symbol length equal to the first symbol length T1.

Transmission bands for different numerologies

Methods, apparatus, and systems for reducing Peak Average Power Ratio (PAPR) in signal transmissions are described. In one example aspect, a wireless communication method includes determining, for an input sequence, an output sequence. The output sequence corresponds to an output of a convolutional modulation between a set of coefficients and an intermediate sequence. The intermediate sequence is generated by inserting N zero coefficients between coefficients of the input sequence. The number of non-zero coefficients in the set of coefficients is based on N, N being a positive integer. Values of the non-zero coefficients correspond to values between 0 to π/2 to reduce a peak to average power ratio of the output sequence. The method also includes generating a waveform using the output sequence.

Time-domain modulation scheme for low peak average power ratio

Provided are a data modulation method and apparatus, a device, and a storage medium. The data modulation method includes that: a modulation manner is configured, where a constellation point modulation symbol of the modulation manner is formed by combining a first group of constellation point modulation symbols and a second group of constellation point modulation symbols; and data is modulated by using the modulation manner, where the data includes a first data block and a second data block, the first data block is modulated by the first group of constellation point modulation symbols, and the second data block is modulated by the second group of constellation point modulation symbols.

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Shenzhen, China

Yu Xin