公开(公告)号：US11451284B2

公开(公告)日：2022-09-20

申请号：US16829972

申请日：2020-03-25

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Seyedkianoush Hosseini ,  Seyed Ali Akbar Fakoorian ,  Wanshi Chen ,  Yi Huang ,  Xiaoxia Zhang

IPC: H04B7/06 ,  H04B7/0417 ,  H04W76/27 ,  H04L5/00 ,  H04L1/18

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor for a first transmission of a first service type (e.g., enhanced mobile broadband (eMBB)) and a second transmission of a second service type (e.g., ultra-reliable low-latency communication (URLLC)). The UE may identify a feedback codebook size for the first service type. The UE may multiplex a first feedback codebook having the identified feedback codebook size and generated for the first transmission with a second feedback codebook generated for the second transmission. Multiplexing the first and second feedback codebooks may produce a multiplexed feedback codebook. In some cases, the UE may perform the multiplexing based on a feedback multiplexing condition being satisfied. The UE may transmit the multiplexed feedback codebook in a control channel (e.g., a physical uplink control channel (PUCCH)) or a shared data channel (e.g., a physical uplink shared channel (PUSCH)).

公开(公告)号：US11445483B2

公开(公告)日：2022-09-13

申请号：US16049082

申请日：2018-07-30

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Juan Montojo ,  Peter Gaal ,  Wanshi Chen ,  Tao Luo ,  Seyong Park ,  Renqiu Wang

IPC: H04J3/00 ,  H04W72/04 ,  H04L5/00 ,  H04L5/14

Abstract: Methods, systems, and devices for wireless communication are described for defining uplink control channel resources and mapping uplink control channel resources to a user equipment (UE). Approaches described herein include identifying a physical uplink control channel (PUCCH) format to be used for a subsequent PUCCH transmission by the UE, identifying a PUCCH resource mapping rule based at least in part on the PUCCH format, and determining an uplink transmission resource to be used for the subsequent PUCCH transmission based at least in part on the PUCCH resource mapping rule. The PUCCH resource mapping rule may be explicit and/or implicit.

公开(公告)号：US11444667B2

公开(公告)日：2022-09-13

申请号：US17235872

申请日：2021-04-20

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Wei Yang ,  Peter Gaal ,  Hwan Joon Kwon ,  Krishna Kiran Mukkavilli ,  Tingfang Ji ,  Wanshi Chen ,  Juan Montojo

IPC: H04L5/00 ,  H04B7/0456 ,  H04W72/04 ,  H04B1/713

Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or base station. The apparatus can determine a first orthogonal matrix and a second orthogonal matrix, the first orthogonal matrix including a size of M×N1 with M×N1 rows and M×N1 columns, the second orthogonal matrix including a size of M×N2 with M×N2 rows and M×N2 columns. The apparatus can also determine a first codebook based on the first orthogonal matrix and a second codebook based on the second orthogonal matrix, the first codebook and the second codebook including a plurality of codepoints. Also, the apparatus can transmit a first signal and a second signal, the first signal including a first codepoint of the plurality of codepoints in the first codebook, the second signal including a second codepoint of the plurality of codepoints in the second codebook.

公开(公告)号：US11438917B2

公开(公告)日：2022-09-06

申请号：US16998115

申请日：2020-08-20

Applicant: QUALCOMM Incorporated

Inventor： Renqiu Wang ,  Yi Huang ,  Wanshi Chen ,  Xiao Feng Wang ,  Peter Gaal ,  Tao Luo ,  Sony Akkarakaran

IPC: H04W72/12 ,  H04L5/00 ,  H04W16/14 ,  H04B7/06 ,  H04W76/27 ,  H04B7/0413 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communications are described. In some systems (e.g., new radio (NR) wireless communications systems), a base station may serve a large number of user equipment (UEs). The base station may allocate uplink control channel resources to the UEs. A UE may receive, from the base station, a first resource assignment for a first set of symbols. The UE may also receive, from the base station, a second resource assignment for a second set of symbols, where the first set of symbols and the second set of symbols include an overlapping set of symbols. The UE may modify first resources for the first resource assignment, second resources for the second resource assignment, or both. The UE may then transmit first information based on the first resource assignment.

公开(公告)号：US11438881B2

公开(公告)日：2022-09-06

申请号：US16121173

申请日：2018-09-04

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Renqiu Wang ,  Seyong Park ,  Peter Gaal ,  Wanshi Chen

IPC: H04W72/04 ,  H04W52/36 ,  H04W76/27 ,  H04L5/00 ,  H04L1/00 ,  H04B17/318 ,  H04L1/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, while the UE is using a first modulation order for a physical uplink control channel, a signaling message that identifies a second modulation order, for the physical uplink control channel. The UE may provide the physical uplink control channel using the second modulation order. In some aspects, a base station may provide, while a UE is using a first modulation order for a physical uplink control channel, a signaling message that identifies a second modulation order, for the physical uplink control channel. The base station may receive the physical uplink control channel using the second modulation order. Numerous other aspects are provided.

公开(公告)号：US11432332B2

公开(公告)日：2022-08-30

申请号：US16652140

申请日：2018-09-25

Applicant: Qualcomm Incorporated

Inventor： Alberto Rico Alvarino ,  Wanshi Chen ,  Xiao Feng Wang ,  Le Liu ,  Umesh Phuyal ,  Peng Cheng ,  Chao Wei ,  Hao Xu

IPC: H04W74/08 ,  H04L27/26

Abstract: Methods, systems, and devices for increasing physical random access channel (PRACH) capacity using orthogonal cover codes (OCCs) in wireless communications systems are described. A base station may transmit a PRACH configuration that indicates PRACH resources for system access, for example, in a system information block (SIB). A user equipment (UE) may receive the PRACH configuration, and may identify PRACH resources that support OCCs for system access. For example, PRACH configurations with small time domain spacing between PRACH resources may support OCCs. The UE may determine whether to transmit random access (RACH) preamble messages using OCCs in the PRACH resources, and may transmit a RACH preamble message to the base station based on the determination. In some cases, the base station may additionally indicate PRACH resources not configured for OCCs, and the UE may determine which set of resources to transmit in based on one or more parameters.

公开(公告)号：US20220271819A1

公开(公告)日：2022-08-25

申请号：US17744373

申请日：2022-05-13

Applicant: QUALCOMM Incorporated

Inventor： Chenxi Hao ,  Liangming Wu ,  Yu Zhang ,  Hao Xu ,  Chao Wei ,  Wanshi Chen

IPC: H04B7/06 ,  H04B7/0456

Abstract: Methods, systems, and devices for wireless communication are described. In wireless systems supporting multiple-input, multiple-output (MIMO) transmissions, devices may implement beam-forming to improve reliability of communications. A user equipment (UE) may select a set of beams, and corresponding beam indices, for communication based on reference signals received from a base station. The UE may determine values corresponding to each of the beam indices using a scalable set of tables. For example, the UE may select a subset of the tables based on the number of selected beams, and may determine the values based on these tables. In this way, the UE may efficiently store sets of tables for multiple different configurations. The UE may sum the corresponding values to obtain a combination index value, and may transmit the combination index value to the base station. The base station may determine the selected beams based on this combination index value.

公开(公告)号：US11412534B2

公开(公告)日：2022-08-09

申请号：US15687388

申请日：2017-08-25

Applicant: QUALCOMM Incorporated

Inventor： Renqiu Wang ,  Hao Xu ,  Wei Zeng ,  Seyong Park ,  Wanshi Chen ,  Peter Gaal ,  Tingfang Ji

IPC: H04W72/12 ,  H04B7/06 ,  H04L1/18 ,  H04L5/00 ,  H04W52/36 ,  H04W72/04 ,  H04W76/27 ,  H04L1/00

Abstract: A user equipment (UE) may map a demodulation reference signal (DMRS) sequence to a first symbol in a set of resource blocks (RBs) of an uplink long burst, and the first symbol may occur at the beginning of the uplink long burst. The DMRS sequence may be “front-loaded” in the uplink long burst. The DMRS sequence may be dependent upon RB locations. When the DMRS sequence is mapped to the beginning of an uplink long burst, uplink control information (UCI) may be mapped in a physical uplink shared channel (PUSCH). A UE may map UCI in a PUSCH after the DMRS sequence is mapped to the beginning of the uplink long burst. When the base station receives an uplink long burst including the front-loaded DMRS and the UCI mapped in the PUSCH, the base station may identify the DMRS for channel estimation/interference cancelation of the UCI carried on the PUSCH.

公开(公告)号：US11411631B2

公开(公告)日：2022-08-09

申请号：US17080154

申请日：2020-10-26

Applicant: QUALCOMM Incorporated

Inventor： Sony Akkarakaran ,  Yi Huang ,  Tao Luo ,  Wanshi Chen

IPC: H04B7/06 ,  H04L1/00 ,  H04B7/0456

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a set of physical uplink control channel (PUCCH) resources to be used to transmit a channel state information (CSI) payload based at least in part on a first rank that is independent of a second rank used to construct the CSI payload; and transmit the CSI payload, to a base station (BS), using one or more resources from the set of PUCCH resources. Numerous other aspects are provided.

公开(公告)号：US11381435B2

公开(公告)日：2022-07-05

申请号：US15806812

申请日：2017-11-08

Applicant: QUALCOMM Incorporated

Inventor： Seyedkianoush Hosseini ,  Wanshi Chen ,  Jing Sun ,  Peter Gaal ,  Shimman Arvind Patel

IPC: H04L5/00 ,  H04L27/26 ,  H04W72/04

Abstract: Techniques provide for identifying uplink resources that are to be used for uplink transmissions using shortened transmission time intervals (sTTIs), such as low latency or high reliability transmissions. A reference signal (RS) configuration for a three-symbol sTTI, including locations of one or more RS symbols and one or more data symbols within the sTTI may be identified. The RS configuration, along with the allocation of uplink resources, may be provided to a user equipment (UE) which may transmit uplink communications using the allocated uplink resources.