公开(公告)号：AU2017309892B2

公开(公告)日：2021-12-16

申请号：AU2017309892

申请日：2017-06-12

Applicant: QUALCOMM INC

Inventor： XU CHANGLONG ,  LI JIAN ,  WEI CHAO ,  HOU JILEI

IPC: H03M13/00

Abstract: Various aspects of the disclosure relate to rate matching techniques for block encoding. In some aspects, a decision regarding whether to use repetition-based rate matching or puncture-based rate matching is made based on a block size of information being encoded. In some aspects, repetition-based rate matching uses a bit-reversal permutation technique.

公开(公告)号：PH12019501282A1

公开(公告)日：2019-09-16

申请号：PH12019501282

申请日：2019-06-07

Applicant: QUALCOMM INC

Inventor： WEI CHAO ,  XU CHANGLONG ,  HOU JILEI ,  LI JIAN

IPC: H04L1/00

Abstract: Methods, systems, and devices for wireless communication are described. In order to exchange data over a given wireless communication network, a wireless device may first perform a cell acquisition procedure (e.g., to determine cell-specific information such as timing and frequency offsets, bandwidth, control channel formatting, etc. ). In some systems, aspects of the timing information may be conveyed with scrambling codes applied to a master information block (MIB). Physical broadcast channel (PBCH) payloads, including MIB transmissions, may be jointly encoded with synchronization signal indices. Bursts of MIB transmissions may thus be decoded without blind decoding while maintaining error protection and low latency that may be necessary to obtain critical system information within the MIB.

公开(公告)号：AU2017374543A1

公开(公告)日：2019-05-23

申请号：AU2017374543

申请日：2017-06-14

Applicant: QUALCOMM INC

Inventor： XU CHANGLONG ,  SORIAGA JOSEPH BINAMIRA ,  HOU JILEI

IPC: H04L1/00 ,  H03M13/00

Abstract: Aspects of the disclosure relate to wireless communication systems configured to provide techniques for polar coding control information together with combined cyclic redundancy check (CRC) information. The combined CRC information may include a number of CRC bits selected to jointly decode and verify the control information to reduce the CRC overhead.

公开(公告)号：ES2710485T3

公开(公告)日：2019-04-25

申请号：ES09711375

申请日：2009-02-09

Applicant: QUALCOMM INC

Inventor： GHADY NAVID HASSANPOUR ,  SORIAGA JOSEPH B ,  SMEE JOHN EDWARD ,  HOU JILEI

IPC: H04B7/06

Abstract: Un procedimiento (800) para la formación de haces distribuidos basándose en la portadora y en la interferencia causada, el procedimiento que se implementa por una estación base de una pluralidad de estaciones base, cada estación base que sirve a un solo usuario, el procedimiento que comprende: recibir (802) información de estado de canal desde los usuarios; determinar (804) un vector de formación de haz de transmisión basándose en la maximización de una función de utilidad M(wi) que comprende una relación de la señal a interferencia causada más ruido, en el que cada estación base determina por separado el vector de formación del haz de transmisión para su usuario; y utilizar (806) el vector de formación de haz de transmisión para formación de haz; y en el que la interferencia causada a cada usuario se escala por uno o más factores de ponderación α, en el que la escala se produce como:**Fórmula** en el que wi indica el vector de formación de haz de transmisión, hii, hij indican coeficientes de canal, Pi indica la restricción de potencia para la estación base i.

公开(公告)号：CA3056835A1

公开(公告)日：2018-11-01

申请号：CA3056835

申请日：2018-01-11

Applicant: QUALCOMM INC

Inventor： XU CHANGLONG ,  LI JIAN ,  WU LIANGMING ,  SORIAGA JOSEPH BINAMIRA ,  HOU JILEI

IPC: H04L1/00

Abstract: Methods, systems, and devices for wireless communication are described. A transmitter may generate a first segmentation based on a first subset of control information and a second segmentation based on jointly encoding the first subset and a second subset of the control information. The transmitter may polar encode the first segmentation to generate a first codeword and the second segmentation to generate a second codeword, and transmit the first and second codewords. A receiver may determine a first bit sequence corresponding to the first subset based on decoding a first codeword and determine an error detection code (EDC) and a second bit sequence corresponding to the second subset based on decoding a second codeword. The receiver may perform error detection on the first and second bit sequences based on the determined EDC, and output the first bit sequence and the second bit sequence or a decoding error.

公开(公告)号：CA3055439A1

公开(公告)日：2018-10-18

申请号：CA3055439

申请日：2018-03-09

Applicant: QUALCOMM INC

Inventor： LI JIAN ,  XU CHANGLONG ,  WEI CHAO ,  HOU JILEI

IPC: H04L1/00

Abstract: Aspects of the disclosure relate to wireless communication devices configured to encode information blocks to produce code blocks and interleave the code blocks utilizing an interleaver including a plurality of rows and a plurality of columns, where the number of columns of the interleaver varies between the rows. In some examples, the interleaver includes a right isosceles triangle-shaped matrix of rows and columns. In other examples, the interleaver includes a trapezoid-shaped matrix of rows and columns.

公开(公告)号：CA3052486A1

公开(公告)日：2018-09-27

申请号：CA3052486

申请日：2017-03-23

Applicant: QUALCOMM INC

Inventor： LI JIAN ,  XU CHANGLONG ,  WEI CHAO ,  HOU JILEI ,  JIANG JING

IPC: H03M13/00

Abstract: Methods, systems, and devices for wireless communication are described that support channel selection for parity bits in polar coding techniques. In some cases, an encoder or decoder of a wireless device may assign information bits, frozen bits, and parity check bits to polar channels of an encoder or decoder based on reliability metrics. The information bits may initially be assigned and based on a channel index of the first information bit, the parity check bits may be assigned to channels having higher channel indices than the first information bit. After assignment, the bits may be encoded or decoded.

公开(公告)号：HUE036743T2

公开(公告)日：2018-07-30

申请号：HUE09791082

申请日：2009-07-31

Applicant: QUALCOMM INC

Inventor： HOU JILEI ,  MONTOJO JUAN ,  PALANKI RAVI

IPC: H04B7/02

公开(公告)号：CA3046038A1

公开(公告)日：2018-07-19

申请号：CA3046038

申请日：2018-01-12

Applicant: QUALCOMM INC

Inventor： SANKAR HARI ,  SARKIS GABI ,  XU CHANGLONG ,  GOROKHOV ALEXEI ,  JIANG JING ,  SORIAGA JOSEPH BINAMIRA ,  HOU JILEI

IPC: H04L1/00

Abstract: The disclosure relates in some aspects to information encoding. Information encoding may involve puncturing bits of a codeword or repeating bits of a codeword. The disclosure relates in some aspects to selecting a puncturing or repetition pattern. In some aspects, a puncture pattern for data encoding is selected based on a criterion that the output and the repetition input of an XOR are not erased. In some aspects, a repetition pattern for data encoding is selected based on a criterion that repetition not be applied for the output and the repetition input of an XOR.

公开(公告)号：CA3042957A1

公开(公告)日：2018-07-05

申请号：CA3042957

申请日：2017-07-06

Applicant: QUALCOMM INC

Inventor： XU CHANGLONG ,  WU GAOJIN ,  RICHARDSON THOMAS ,  HOU JILEI

IPC: H04L1/00

Abstract: Aspects of the disclosure relate to wireless communication devices configured to generate polar codewords utilizing a single master sequence constructed using density evolution with a nested structure for identifying the frozen bit locations and information bit locations. This single master sequence may be used for any codeword length N up to a maximum codeword length Nmax, and may further be utilized for any code rate R. For example, from the master sequence of length Nmax, a bit location sequence S with codeword length N (where N