公开(公告)号：US10887066B2

公开(公告)日：2021-01-05

申请号：US16085726

申请日：2017-03-10

Applicant: ZTE CORPORATION

Inventor： Zewei Chen ,  Jun Xu ,  Jin Xu ,  Bo Dai

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04

Abstract: Provided are a method, a device, and a system for determining transmission information. The method includes determining, by a first node, transmission information according to a predetermined information combination in downlink control information, DCI, transmitted by a second node. The transmission information includes a modulation coding scheme, joint information of a modulation coding scheme and a sub-carrier position, or sub-carrier position information. The predetermined information combination includes one of the following: a combination of a modulation-coding-scheme indicator domain IMCS and a number of allocated sub-carriers, and a combination of a resource-unit, RU, number indicator domain and a number of allocated sub-carriers.

公开(公告)号：US20200336351A1

公开(公告)日：2020-10-22

申请号：US16921875

申请日：2020-07-06

Applicant: ZTE Corporation

Inventor： Jin Xu ,  Jun Xu ,  Liguang Li

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00

Abstract: A method and apparatus for code block division are provided. The method may include the following acts. A reference information block length of a code block is determined according to an obtained division related parameter. A maximum information block length is determined according to the reference information block length and a hardware parameter. A Transport Block (TB) having a length greater than the maximum information block length may be divided into two or more code blocks according to the obtained division related parameter, the hardware parameter and the determined maximum information block length. An information length after code block division is less than the determined maximum information block length.

公开(公告)号：US10594443B2

公开(公告)日：2020-03-17

申请号：US15749354

申请日：2016-07-07

Applicant: ZTE CORPORATION

Inventor： Zewei Chen ,  Jun Xu ,  Shuqiang Xia ,  Jin Xu

IPC: H04L1/18 ,  H04L1/16 ,  H04L1/00 ,  H04L5/00

Abstract: A transmitting method for HARQ information comprising: a first node detecting N transmission blocks received from a second node and generating M bits of HARQ information according to the detection result; the M bits of HARQ information being used to indicate the receiving status of the N transmission blocks; there being M2 bits among the M bits, for indicating the positions of k erroneous transmission blocks in the N transmission blocks, M2≤M; the length type of M2 including a first length type or a second length type; the first length type indicating that the value for M2 is predefined, and the second length type indicating that the value for M2 is determined based on k; and the first node transmitting the HARQ information to the second node. The above technical solution does not require strong correlation for the channel, and can conserve transmission resources and improve system throughput while reducing the HARQ information feedback overhead.

公开(公告)号：US10523237B2

公开(公告)日：2019-12-31

申请号：US16171314

申请日：2018-10-25

Applicant: ZTE Corporation

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu

IPC: H03M13/00 ,  H03M13/11 ,  H03M13/29 ,  H03M13/09

Abstract: The embodiments of the present disclosure provide a method and an apparatus for data processing with structured LDPC codes. The method includes: obtaining a code block size for structured LDPC coding; determining a coding expansion factor z based on at least one of the code block size, a parameter kb of a basic check matrix, a positive integer value p or the basic check matrix having mb rows and nb columns; and encoding a data sequence to be encoded, or decoding a data sequence to be decoded, based on the basic check matrix and the coding expansion factor. The present disclosure is capable of solving the problem in the related art associated with low flexibility in data processing with LDPC coding and improving the flexibility in data processing with LDPC coding.

公开(公告)号：US10476528B2

公开(公告)日：2019-11-12

申请号：US15509489

申请日：2015-03-30

Applicant: ZTE CORPORATION

Inventor： Liguang Li ,  Jun Xu ,  Jin Xu ,  Zhifeng Yuan

IPC: H03M13/29 ,  H04L1/00 ,  H03M13/11 ,  H03M13/15 ,  H04L1/20

Abstract: A packet processing method and device are disclosed. The method includes: performing code block segmentation on a source packet to obtain a sub-packets; performing error correction encoding on each sub-packet respectively, or performing error correction encoding after respectively adding a CRC sequence to each sub-packet to obtain a error correction encoding sub-packets; performing network encoding on the a error correction encoding sub-packet to obtain b check sub-packets; and performing bit selection operation on the a error correction encoding sub-packets and the b check sub-packets respectively to collectively form an encoded packet; herein a and b are integers greater than 0.

公开(公告)号：US10469212B2

公开(公告)日：2019-11-05

申请号：US15514112

申请日：2015-05-13

Applicant: ZTE Corporation

Inventor： Jin Xu ,  Jun Xu ,  Bo Dai

IPC: H04L1/18 ,  H04L1/00

Abstract: A data transmission method and device are provided. The method includes: a first transmission node sends data signal(s) for first transmission to a second transmission node, wherein the data signal(s) including data of at least one Transmission Block (TB), the TB including K Code Blocks (CBs), and the K CBs being divided into P CB sets; the first transmission node performs packet coding on M CB sets in the P CB sets to obtain S check CB sets; and the first transmission node generates data signal(s) for retransmission and sends the data signal(s) to the second transmission node, the data signal(s) for retransmission at least including Q bits in the check CB sets when a preset condition is met. The embodiments of the present disclosure may effectively reduce resources for retransmission under the condition of not increasing an amount of feedback information.

公开(公告)号：US20190326929A1

公开(公告)日：2019-10-24

申请号：US16446605

申请日：2019-06-19

Applicant: ZTE Corporation

Inventor： Mengzhu Chen ,  Jin Xu ,  Jun Xu ,  Focai Peng

IPC: H03M13/11 ,  H03M13/13 ,  G06F7/76 ,  G06F17/16

Abstract: The present disclosure provides a method and an apparatus for sequence determination, a device and a storage medium. The method for sequence determination includes: mapping a first bit sequence having a length of K bits to a specified position based on M_index to obtain a second bit sequence; applying Polar encoding to the second bit sequence to obtain a Polar encoded bit sequence; and selecting T bits based on the Polar encoded bit sequence as a bit sequence to be transmitted, where K and T are both non-negative integers and K≤T.

公开(公告)号：US20190020453A1

公开(公告)日：2019-01-17

申请号：US16069452

申请日：2017-02-07

Applicant: ZTE CORPORATION

Inventor： Jin Xu ,  Bo Dai ,  Jun Xu ,  Zewei Chen

IPC: H04L5/00 ,  H04L27/26 ,  H04L27/18

Abstract: A data transmission method includes: selecting a t least a portion of bits from a data buffer of a transport block to form a kth subsequence of the transport block, and forming N subsequences in total; wherein, 1≤k≤N; and repeating the N subsequences of the transport block for T times, performing digital baseband modulation on the N subsequences, and then transmitting the N subsequences; wherein, T is a positive integer, a total number of repetitions of the N subsequences N*T is no less than a preset number of repetitions R, and R is a positive integer.

公开(公告)号：US10136445B2

公开(公告)日：2018-11-20

申请号：US15513417

申请日：2015-04-03

Applicant: ZTE Corporation

Inventor： Jin Xu ,  Jun Xu ,  Bo Dai

IPC: H04L1/18 ,  G08C25/02 ,  H04W72/08 ,  H04L5/00 ,  H04W28/04 ,  H04L1/00 ,  H04L1/16

Abstract: The method includes that: a first transmission node receives a signal including a Transmission Block (TB) from a second transmission node; the first transmission node obtains states of the P CB sets according to the signal including the TB; the first transmission node determines at least one kind of feedback information in a preset feedback information set according to the states of the P CB sets; and the first transmission node sends the determined feedback information to the second transmission node.

公开(公告)号：US10084569B2

公开(公告)日：2018-09-25

申请号：US15320757

申请日：2014-08-21

Applicant: ZTE CORPORATION

Inventor： Jun Xu ,  Liguang Li ,  Jin Xu ,  Kaibo Tian

IPC: H03M13/00 ,  H04L1/00 ,  H04L1/18

CPC classification number: H04L1/0041 ,  H04L1/00 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0065 ,  H04L1/1812 ,  H04L1/1819

Abstract: The method includes code block segmentation is performed on a physical layer source data packet, to be sent, having a length of Ks bits, and channel coding is performed on each code block obtained by segmentation, to obtain Cs error-corrected and coded source data sub-packets having lengths of Kc bits; packet coding is performed on the error-corrected and coded source data sub-packets, to obtain Cp check data sub-packets; Ki codeword bits are selected from the ith sub-packet in Cs source data sub-packets, Kj codeword bits are selected from the jth sub-packet in the Cp check data sub-packets, all the selected bits are cascaded together to form a sequence having a length of formula (I), i=0, 1, . . . , Cs−1, j=0, 1, . . . , Cp−1, and the sequence is sent, herein Ks, Cs and Kc are integers greater than 1, and Cp, Ki and Kj are integers greater than or equal to 0.