公开(公告)号：US20210135783A1

公开(公告)日：2021-05-06

申请号：US16487050

申请日：2017-12-14

Applicant: Yang YANG ,  Jing JIANG ,  Gabi SARKIS ,  Chao WEI ,  Jian LI ,  Changlong XU ,  Hari SANKAR ,  Joseph Binamira SORIAGA ,  QUALCOMM Incorporated

Inventor： Yang Yang ,  Jing Jiang ,  Gabi Sarkis ,  Chao Wei ,  Jian Li ,  Changlong Xu ,  Hari Sankar ,  Joseph Binamira Soriaga

IPC: H04L1/00 ,  H03M13/13 ,  H03M13/01 ,  G06N7/00

Abstract: Methods, systems, and devices for wireless communication are described for mutual information based polar code construction. A wireless device may receive a codeword over a wireless channel, the codeword encoded using a polar code. The wireless device may identify a set of bit locations of the polar code corresponding to information bits of an encoded information bit vector. The set of bit locations may be determined based at least in part on a reliability order of the bit locations of the polar code, and the reliability order may be determined based at least in part on a recursive model that includes at least one mutual information transfer function that is applied at each polarization stage of multiple polarization stages of the polar code. The wireless device may decode the received codeword to obtain the information bit vector at the set of bit locations.

公开(公告)号：US10973018B2

公开(公告)日：2021-04-06

申请号：US15359541

申请日：2016-11-22

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Tao Luo ,  Tingfang Ji ,  Jing Jiang ,  Jamie Menjay Lin ,  Yang Yang

IPC: H04J1/02 ,  H04L5/00 ,  H04W72/04 ,  H04B7/0452

Abstract: Transmission of user equipment (UE) specific control information within a resource allocation including resource blocks allocated for downlink transmissions to the UE is disclosed. Common control information may be provided in a first transmission time interval (TTI)-level control region, and UE-specific control information, specific to a particular UE, may be provided along with data in allocated downlink resources to the UE. A base station may identify a resource block (RB) for transmission of data to a UE along with UE-specific control information to be included in the RB. The control information may include, for example, parameters for use by the receiver in demodulating the RB. The base station may multiplex the control information with the data within the RB and transmit the RB and control information.

公开(公告)号：US10951453B2

公开(公告)日：2021-03-16

申请号：US16827493

申请日：2020-03-23

Applicant: QUALCOMM INCORPORATED

Inventor： Wooseok Nam ,  Tao Luo ,  Alexandros Manolakos ,  Heechoon Lee ,  Yang Yang ,  Peter Gaal

IPC: H04L27/26 ,  H04L5/00 ,  H04W52/02

Abstract: Methods, systems, and devices for wireless communications are described for configuration aspects of a tracking reference signal in New Radio. A base station may select a first burst duration and a second burst duration for a tracking reference signal (TRS) burst, the first burst duration being different from the second burst duration, and may transmit configuration information indicating the first burst duration and the second burst duration to a user equipment (UE). The base station may transmit a first TRS burst having the first burst duration and a second TRS burst having the second burst duration. The UE may detect the first TRS burst having the first burst duration and the second TRS burst having the second burst duration based at least in part on the configuration information, and perform resource tracking based at least in part on the detected first TRS burst and the second TRS burst.

公开(公告)号：US10833705B2

公开(公告)日：2020-11-10

申请号：US16051262

申请日：2018-07-31

Applicant: QUALCOMM Incorporated

Inventor： Jing Jiang ,  Gabi Sarkis ,  Yang Yang ,  Peter Gaal ,  Joseph Binamira Soriaga ,  Shrinivas Kudekar

IPC: H03M13/00 ,  H03M13/13 ,  H04L1/00 ,  H03M13/35 ,  H03M13/27 ,  H04W72/04

Abstract: A wireless device (e.g., a base station or user equipment (UE)) may encode a codeword using a polar code for transmission over a wireless channel. The device may identify a set of bit locations of the polar code for a set of information bits based on a bit index reliability sequence. The bit index reliability sequence may be based on applying an ordered combination of a universal partial order, an analytical method, and a simulation. The bit index reliability sequence may be determined based on a binary bit weighting for the set of bit channels that applies one or more weighting factors. In some cases, the device may store the bit index reliability sequence in a lookup table for encoding, decoding, or both. A device receiving the transmitted codeword may similarly utilize the bit index reliability sequence to decode the codeword and determine the transmitted information bits.

公开(公告)号：US10805039B2

公开(公告)日：2020-10-13

申请号：US16022136

申请日：2018-06-28

Applicant: QUALCOMM Incorporated

Inventor： Jing Sun ,  Yang Yang ,  Heechoon Lee

IPC: H04W4/00 ,  H04L1/00 ,  H04L5/00 ,  H04W72/04 ,  H04L1/18

Abstract: A method and apparatus for determining rate matching behavior for a plurality of control resource sets (CORESETs) is provided. A base station (BS) bundles a plurality of CORESETs into a global resource set. The BS configures the global resource set for a User Equipment (UE). The BS determines resources assigned to a downlink data channel overlap at least a portion of the global resource set and determines whether data on the downlink data channel is to be rate matched around the global resource set or is to use resources in the global resource set. The BS transmits the data on the downlink data channel based on the determination of the rate matching.

公开(公告)号：US20200295875A1

公开(公告)日：2020-09-17

申请号：US16885774

申请日：2020-05-28

Applicant: QUALCOMM Incorporated

Inventor： Jing Sun ,  Yang Yang

IPC: H04L1/00 ,  H04L1/18 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04

Abstract: Aspects of the present disclosure relate to techniques for retransmission of code block groups when code block group (CBG) level feedback is unreliable. A user equipment (UE), in a first slot, transmits a first CBG feedback corresponding to a first set of CBGs received from a base station. In a second slot after the first slot, the UE receives downlink control information (DCI) and a first cyclic redundancy check (CRC). The first CRC is generated based on the DCI and further scrambled by a first concatenation of CBG feedbacks as decoded by the base station. The UE generates a second CRC based on the DCI and further scrambled by a second concatenation of CBG feedbacks including the first CBG feedback. The UE determines that the base station correctly decoded the first CBG feedback based on a comparison of the first CRC and the second CRC.

公开(公告)号：US10707995B2

公开(公告)日：2020-07-07

申请号：US16020862

申请日：2018-06-27

Applicant: QUALCOMM Incorporated

Inventor： Jing Sun ,  Yang Yang

IPC: G06F11/00 ,  H04L1/00 ,  H04L1/18 ,  H04L1/16 ,  H04L5/00 ,  H04W72/04

Abstract: Aspects of the present disclosure relate to techniques for retransmission of code block groups when code block group (CBG) level feedback is unreliable. A user equipment (UE), in a first slot, transmits a first CBG feedback corresponding to a first set of CBGs received from a base station. In a second slot after the first slot, the UE receives downlink control information (DCI) and a first cyclic redundancy check (CRC). The first CRC is generated based on the DCI and further scrambled by a first concatenation of CBG feedbacks as decoded by the base station. The UE generates a second CRC based on the DCI and further scrambled by a second concatenation of CBG feedbacks including the first CBG feedback. The UE determines that the base station correctly decoded the first CBG feedback based on a comparison of the first CRC and the second CRC.

公开(公告)号：US10700710B2

公开(公告)日：2020-06-30

申请号：US16042874

申请日：2018-07-23

Applicant: QUALCOMM Incorporated

Inventor： Yang Yang ,  Jing Jiang

IPC: H03M13/00 ,  H03M13/13 ,  H04L1/00 ,  H04L1/18

Abstract: Methods, systems, and devices are described for wireless communications. A transmitting device may generate first encoded bits by encoding first information bits using a polar code of a first size, N, and transmit the first encoded bits to a receiving device. After determining the receiving device failed to decode the encoded bits, the transmitting device may generate second encoded bits by encoding the first information bits using a polar code of a second size, 2N. In some cases, the transmitting device may use the first encoded bits and one or more copied information bits to generate the second encoded bits. The transmitting device may transmit the second encoded bits to the receiving device, along with an indication of the number of copied information bits used to generate the second encoded bits. The number of copied information bits may be based on changing channel conditions or transmission parameters.

公开(公告)号：US10694536B2

公开(公告)日：2020-06-23

申请号：US16206633

申请日：2018-11-30

Applicant: QUALCOMM Incorporated

Inventor： Jing Jiang ,  Yang Yang ,  Renqiu Wang ,  Yi Huang

IPC: H04W4/00 ,  H04W72/12 ,  H04L5/00 ,  H04W72/04 ,  H04W76/27 ,  H04W72/14 ,  H04B7/0413 ,  H04L5/14

Abstract: In some aspects, a user equipment (UE) may receive downlink control information (DCI) that includes a timing value indicating a timing of an opportunity, subsequent to reception of the DCI, for transmission or reception of a communication corresponding to the DCI. The UE may determine an uplink opportunity or a downlink opportunity for transmission or reception of the communication based at least in part on the timing of the opportunity. A counter for determining the uplink opportunity may be incremented only for transmission time intervals (TTIs) in which the UE is allowed to transmit the communication in an uplink channel. A counter for determining the downlink opportunity may be incremented only for TTIs in which the UE can expect to receive the communication in a downlink channel. The UE may transmit or receive the communication in the uplink opportunity or the downlink opportunity. Other aspects are disclosed.

公开(公告)号：US10651972B2

公开(公告)日：2020-05-12

申请号：US16180795

申请日：2018-11-05

Applicant: QUALCOMM Incorporated

Inventor： Ying Wang ,  Jing Jiang ,  Yang Yang ,  Wei Yang ,  Gabi Sarkis ,  Joseph Binamira Soriaga

IPC: H04L1/00 ,  H03M13/00 ,  H03M13/25 ,  H03M13/13

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, wireless devices may implement adjusted fractally enhanced kernel polar coding. An encoder may receive a number of information bits and a block size for transmission, and may append an additional number of information bits to the information bits for transmission. The encoder may perform a recursive bit allocation process to allocate the aggregate set of information bits between a set of sub-blocks based on mutual information metrics. To obtain the correct number of information bits and block size, the encoder may remove a number of information bits equal to the number of appended additional bits (e.g., from a first half of the sub-blocks), assign the remaining information bits to bit channels in each sub-block, and block puncture a set of bits (e.g., from the first half). The resulting codeword may mitigate occurrences of achievable signal-to-noise ratio (SNR) spikes.