公开(公告)号：US12176628B2

公开(公告)日：2024-12-24

申请号：US17660611

申请日：2022-04-25

Applicant: QUALCOMM Incorporated

Inventor： Pinar Sen ,  Seyong Park ,  Abdelrahman Mohamed Ahmed Mohamed Ibrahim ,  Renqiu Wang ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Tingfang Ji

IPC: H01Q3/36 ,  H04B7/0417 ,  H04B17/12 ,  H04B17/17

Abstract: Certain aspects relate to techniques for z-axis rotation estimation for compensating signaling transmitted between two or more nodes over a wireless channel where an antenna array of at least one of the nodes is misaligned about the z-axis relative to another node. For example, a transmitting node may transmit pilot signals defined by phase shifts to provide a receiving node with a basis for estimating the angle of rotation by which the antenna arrays are misaligned. The transmitting node may then take remedial action to address the misalignment based on the estimation.

公开(公告)号：US20240243842A1

公开(公告)日：2024-07-18

申请号：US18155437

申请日：2023-01-17

Applicant: QUALCOMM Incorporated

Inventor： Pinar Sen ,  Wei Yang ,  Jing Jiang

IPC: H04L1/00

CPC classification number: H04L1/0063 ,  H04L1/0009 ,  H04L1/0071

Abstract: Methods, systems, and devices for wireless communications are described. In some examples, a transmitting device may generate a parity check matrix based on performing a lifting operation on a base matrix. Each column of the base matrix may correspond to a different variable node and each row may correspond to a different check node. The transmitting device may then generate a set of coded bits based on the parity check matrix and each coded bit of the set of coded bits may be associated with a respective variable node. Further, the transmitting device may interleave the set of coded bits such that subsets of the set of coded bits associated with a same variable node are mapped to a same channel reliability level and transmit the set of coded bits according to the interleaving.

公开(公告)号：US20240107591A1

公开(公告)日：2024-03-28

申请号：US17934809

申请日：2022-09-23

Applicant: QUALCOMM Incorporated

Inventor： Pinar Sen ,  Yongjun Kwak ,  Hwan Joon Kwon ,  Jing Jiang

IPC: H04W74/08

CPC classification number: H04W74/0841 ,  H04W74/0866

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support power allocation or resource allocation for non-orthogonal multiple access (NOMA). In a first aspect, a method of wireless communication includes a user equipment (UE) randomly selecting a parameter value associated with a power level of multiple power target levels, and transmitting, to a network entity and using the power level, an uplink communication. In a second aspect, a method of wireless communication includes a UE receiving, from a network entity, an indicator that indicates multiple resource candidates, each resource candidate of the multiple resource candidates overlaps with at least one other resource candidate of the multiple resource candidates, and transmitting, to the network entity and using a resource candidate of the multiple resource candidates, an uplink communication. Other aspects and features are also claimed and described.

公开(公告)号：US20240106563A1

公开(公告)日：2024-03-28

申请号：US17951080

申请日：2022-09-22

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Jing Jiang ,  Thomas Joseph Richardson ,  Pinar Sen

IPC: H04L1/00

CPC classification number: H04L1/0005 ,  H04L1/0006

Abstract: Methods, systems, and devices for wireless communication are described. For example, the described techniques provide for a wireless device transmitting an initial transmission associated with a data payload, such as a hybrid automatic repeat request (HARQ) payload. The initial transmission may include a set of bits modulated using a first bit ordering scheme, and the set of bits may include a first bit subset that are transmitted with a lower transmission reliability than a second bit subset of the set of bits. The wireless device may modulate the first bit subset using a second bit ordering scheme that differs from the first bit ordering scheme to generate a modulated bit set. The second bit ordering scheme may be associated with a higher transmission reliability for the first bit subset. The wireless device may transmit the second transmission for the data payload with the modulated bit set.

公开(公告)号：US11855731B1

公开(公告)日：2023-12-26

申请号：US17944080

申请日：2022-09-13

Applicant: QUALCOMM Incorporated

Inventor： Seyong Park ,  Pinar Sen ,  Renqiu Wang ,  Peter Gaal ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Muhammad Sayed Khairy Abdelghaffar ,  Hwan Joon Kwon ,  Tingfang Ji

IPC: H04B7/06 ,  H04B7/0413

CPC classification number: H04B7/0634 ,  H04B7/0413

Abstract: An antenna offset compensation determination method includes: transmitting, from a first apparatus to a second apparatus, one or more first signals from a first plurality of antenna elements, of a first antenna of the first apparatus, and one or more second signals from a second plurality of antenna elements, of the first antenna; receiving, at the first apparatus from the second apparatus, one or more first indications of a first linear offset of a first signal distinction line relative to a second antenna of the second apparatus, the first signal distinction line corresponding to a first transition between the one or more first signals and the one or more second signals as received by the second antenna; and determining, based on the first linear offset, one or more compensation parameters for compensating for the first linear offset.

公开(公告)号：US11509368B1

公开(公告)日：2022-11-22

申请号：US17482219

申请日：2021-09-22

Applicant: QUALCOMM Incorporated

Inventor： Danlu Zhang ,  Naga Bhushan ,  Abdelrahman Mohamed Ahmed Mohamed Ibrahim ,  Pinar Sen ,  Renqiu Wang ,  Tingfang Ji ,  Krishna Kiran Mukkavilli

IPC: H04L23/02 ,  H04B7/0456 ,  H04L25/02

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may receive a request for beamforming information associated with line-of-sight (LoS) multiple input multiple output (MIMO) communication from a second wireless device. The first wireless device may generate a channel estimation matrix for a channel between rectangular antenna arrays of the respective wireless devices, the channel estimation matrix including one or more quadratic terms for the LoS MIMO communication. The first wireless device may generate a first sub-matrix and a second sub-matrix based on the channel estimation matrix. The first wireless device may transmit an indication of a set of precoders for the LoS MIMO communication, the set of precoders based on a symmetry associated with the first and second sub-matrices, and may receive the LoS MIMO communication from the second wireless device based on the set of precoders.

公开(公告)号：US12068814B2

公开(公告)日：2024-08-20

申请号：US18156690

申请日：2023-01-19

Applicant: QUALCOMM Incorporated

Inventor： Seyong Park ,  Pinar Sen ,  Renqiu Wang ,  Peter Gaal ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Muhammad Sayed Khairy Abdelghaffar ,  Hwan Joon Kwon ,  Tingfang Ji

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0456 ,  H04B7/063

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may be configured to transmit one or more reference signals to a second wireless device using a first antenna array at the first wireless device and in accordance with a first precoder matrix. The first wireless device may receive, from the second wireless device based on the one or more reference signals, a feedback message indicating an estimated rotational misalignment, an estimated spatial misalignment, or both, between the first antenna array at the first wireless device and a second antenna array at the second wireless device. The first wireless device may then transmit a message to the second wireless device in accordance with a second precoder matrix that is modified relative to the first precoder matrix based at least in part on the estimated rotational misalignment, the estimated spatial misalignment, or both.

公开(公告)号：US20230413339A1

公开(公告)日：2023-12-21

申请号：US17844554

申请日：2022-06-20

Applicant: QUALCOMM Incorporated

Inventor： Pinar Sen ,  Yongjun Kwak ,  Wei Yang ,  Hwan Joon Kwon

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W74/0841 ,  H04W74/004 ,  H04L5/0051 ,  H04W72/0453 ,  H04W74/0866

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a demodulation reference signal (DMRS) configuration for an uplink message that may indicate for the UE to refrain from including DMRS in at least a first portion of the uplink message based on the DMRS configuration. The UE may encode the uplink message without the DMRS in at least the first portion of the uplink message in accordance with the DMRS configuration. The UE may transmit the uplink message based on encoding the uplink message, and a network entity may receive and decode the uplink message. In some examples, the network entity may receive signaling that includes a set of uplink messages from different UEs. As such, the network entity may decode each, using a respective Reed-Muller (RM) code in accordance with a multi-user decoding algorithm.

公开(公告)号：US11757500B2

公开(公告)日：2023-09-12

申请号：US17453437

申请日：2021-11-03

Applicant: QUALCOMM Incorporated

Inventor： Pinar Sen ,  Peter Gaal ,  Naga Bhushan ,  Seyong Park ,  Renqiu Wang ,  Wei Yang ,  Krishna Kiran Mukkavilli ,  Tingfang Ji ,  Muhammad Sayed Khairy Abdelghaffar ,  Hwan Joon Kwon

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0478 ,  H04B7/0482 ,  H04B7/0639

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may generate a Legendre precoder for transmission on a multiple-input multiple-output channel based at least in part on computing Legendre polynomials for a quantity of transmit antennas. The wireless communication device may transmit a communication using the Legendre precoder. Numerous other aspects are provided.

公开(公告)号：US10958304B2

公开(公告)日：2021-03-23

申请号：US16874445

申请日：2020-05-14

Applicant: QUALCOMM Incorporated

Inventor： Seyong Park ,  Pinar Sen ,  Naga Bhushan ,  Tingfang Ji

IPC: H04B1/7103 ,  H04L27/00 ,  H04L1/00 ,  H04L5/00 ,  H04L27/34 ,  H04L25/06 ,  H04L27/26 ,  H04L5/14

Abstract: Methods, systems, and devices for wireless communications are described. A UE may use different modulation schemes, or different modulators, for a single data stream. The set of modulators may be based on a linear combination of a function of encoded bits to be transmitted. In some cases, the UE may use a different permutation or interleaving of the function of bits with the same linear function to generate a different set of modulators. The UE may use a combination of any one or more of the described techniques for generating a set of modulators. Different modulators may be cyclically repeated over time. The UE may apply a device-specific scrambling sequence and transmit the modulated symbols on an uplink channel. The base station may use matched filters and an element-wise estimator (ESE) to compute log-likelihood ratios (LLRs) for each bit of each UE in a received signal.