公开(公告)号：US20240031100A1

公开(公告)日：2024-01-25

申请号：US18256267

申请日：2021-02-19

Applicant: QUALCOMM INCORPORATED

Inventor： Chenxi Hao ,  Chao Wei ,  Hui Guo ,  Hao Xu ,  Yu Zhang ,  Min Huang

IPC: H04L5/00

CPC classification number: H04L5/0051 ,  H04L5/0057

Abstract: Methods, systems, and devices for wireless communications are described. Techniques are described for a user equipment (UE) to trigger a sidelink channel state information (CSI) procedure without an associated data grant. In some cases, a CSI procedure may be triggered by sending a sequence on a specific resource. In some cases, a CSI procedure may be triggered by a sidelink control information (SCI) message which does not include a sidelink data grant. Techniques are described which avoid CSI reference signal (CSI-RS) resource collision. For example, CSI-RS resources may be selected based on channel sensing, UE identifiers, or a combination thereof. In some cases, UEs may be configured subsets of a CSI-RS resource pool for sending CSI-RS.

公开(公告)号：US11882590B2

公开(公告)日：2024-01-23

申请号：US16777410

申请日：2020-01-30

Applicant: QUALCOMM Incorporated

Inventor： Renqiu Wang ,  Hung Ly ,  Haitong Sun ,  Hao Xu

IPC: H04W74/00 ,  H04L1/08 ,  H04L1/00 ,  H04W28/18 ,  H04W72/0446 ,  H04W74/08 ,  H04L5/00 ,  H04W72/0453

CPC classification number: H04W74/004 ,  H04L1/0009 ,  H04L1/08 ,  H04W28/18 ,  H04W72/0446 ,  H04W74/006 ,  H04W74/0833 ,  H04W74/0891 ,  H04L5/0094 ,  H04W72/0453

Abstract: A user equipment (UE) may perform a random access procedure to synchronize with a network for uplink and/or downlink communication. The UE may transmit a first type of random access transmission that includes transmitting a preamble or a second type of random access transmission that includes transmitting a preamble and a random access message. The second type may result in reduced delay but may have lesser SNR tolerance than the first type. In some aspects, the UE may determine whether to transmit the first type or the second type, and may transmit the first type or the second type in a random access channel portion of a slot. The random access channel portion of the slot may be occupied by portions of either the first type of random access transmission or the second type of random access transmission, thereby enabling flexible utilization of multiple types of random access procedure.

公开(公告)号：US11863268B2

公开(公告)日：2024-01-02

申请号：US17263864

申请日：2018-08-10

Applicant: QUALCOMM Incorporated

Inventor： Chenxi Hao ,  Yu Zhang ,  Alexandros Manolakos ,  Chao Wei ,  Hao Xu ,  Wanshi Chen ,  Peter Gaal

IPC: H04B7/06 ,  H04B7/0417 ,  H04B17/336 ,  H04L5/00 ,  H04B7/024

CPC classification number: H04B7/0626 ,  H04B7/0417 ,  H04B17/336 ,  H04L5/0051

Abstract: A method generally includes determining channel state information reference signal (CSI-RS) port groups associated with one or more non-zero power (NZP) CSI-RS resources for channel measurement (CM) or interference measurement (IM)(902); transmitting an indication of the CSI-RS port groups to at least om UE(904); generating quasi-colocation (QCL) information indicating QCL assumptions for the CSI-RS port groups(906); and transmitting the QCL information to the at least one UE(908).

公开(公告)号：US11849448B2

公开(公告)日：2023-12-19

申请号：US17272024

申请日：2019-09-21

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/12 ,  H04W72/1273 ,  H04W72/23

CPC classification number: H04W72/1273 ,  H04W72/23

Abstract: Certain aspects of the present disclosure provide techniques for indicating a preemption of resources impacting a joint transmission from multiple transmitting entities to a user equipment. The transmitting entities may be associated with a virtual cell ID or a demodulation reference signal (DMRS) port group ID.

公开(公告)号：US20230396294A1

公开(公告)日：2023-12-07

申请号：US18245096

申请日：2020-11-23

Applicant: QUALCOMM INCORPORATED

Inventor： Min Huang ,  Yu Zhang ,  Hao Xu

IPC: H04B7/0456 ,  H04B7/06 ,  H04W16/28

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04W16/28

Abstract: Methods, systems, and devices for wireless communications at a are described. A first device (e.g., a transmitting device) may receive, from a second device (e.g., a receiving device), an indication of one or more parameters associated with communications between the second device and the first device. The first device may determine a transmitter circle of a set of transmitter circles for an orbital angular momentum (OAM) mode of a set of OAM modes for communications with the second device based on the one or more parameters. The first device may transmit a message to the second device using the transmitter circle according to the orbital angular momentum mode based the determining.

公开(公告)号：US11804883B2

公开(公告)日：2023-10-31

申请号：US17429657

申请日：2020-02-06

Applicant: Qualcomm Incorporated

Inventor： Qiaoyu Li ,  Chao Wei ,  Yu Zhang ,  Liangming Wu ,  Chenxi Hao ,  Min Huang ,  Hao Xu ,  Wanshi Chen ,  Juan Montojo

IPC: H04B7/0456 ,  H04B7/0404 ,  H04B7/0408 ,  H04L5/00 ,  H04W72/20

CPC classification number: H04B7/0456 ,  H04B7/0404 ,  H04B7/0408 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/0091 ,  H04W72/20

Abstract: Methods, systems, devices, and apparatuses for wireless communications that support transmission diversity enhancement for uplink control channel are described. Generally, the described techniques provide for enhanced performance of an uplink control channel such as a physical uplink control channel (PUCCH) through the use of transmission diversity. In some cases, multiple input multiple output (MIMO) techniques may be supported for transmission of an uplink control channel for a given format suitable for transmission diversity enhancement. A resource block (RB) used in an uplink control channel transmission may contain a number of resource elements (REs) across one or more resource blocks. According to some aspects, a transmit diversity scheme may be employed at the RE level through application of different spatial precoders for different groups of REs of a given RB.

公开(公告)号：US20230328568A1

公开(公告)日：2023-10-12

申请号：US18043345

申请日：2020-09-11

Applicant: QUALCOMM Incorporated

Inventor： Liangming Wu ,  Chenxi Hao ,  Yu Zhang ,  Min Huang ,  Qiaoyu Li ,  Rui Hu ,  Kangqi Liu ,  Wei Xi ,  Hao Xu ,  Wanshi Chen

IPC: H04W24/10 ,  H04W24/08

CPC classification number: H04W24/10 ,  H04W24/08

Abstract: Aspects of the disclosure relate to the generation of channel state reports. A base station transmits a reference signal over a plurality of ports. A user equipment (UE) receives the reference signal and measure amplitudes of the reference signal over a plurality of ports. A first subgroup of the plurality of ports and a second subgroup of the plurality of ports are determined. In embodiments, the port groupings may be determined by the base station, which transmits an identification of the groupings to the user equipment. Alternatively, the UE may determine the port groupings. After determining the port groupings, the UE separately quantizes and normalizes the measured amplitude values in each port grouping. The UE may also separately quantize and normalize the phase measurements in each port groups. The UE generates a channel state report based on the normalized and quantized amplitude and phase values.

公开(公告)号：US20230262735A1

公开(公告)日：2023-08-17

申请号：US18067500

申请日：2022-12-16

Applicant: QUALCOMM Incorporated

Inventor： Liangming Wu ,  Kangqi Liu ,  Changlong Xu ,  Jian Li ,  Hao Xu

IPC: H04W72/30 ,  H04W72/23 ,  H04B7/0413 ,  H04L1/16

CPC classification number: H04W72/30 ,  H04W72/23 ,  H04B7/0413 ,  H04L1/16

Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit an encoded transmission via a broadcast to multiple user equipment (UE). Subsequently, the multiple UEs may transmit assistance information to the base station based on attempting to decode the broadcasted encoded transmission. If the decoding is unsuccessful for at least one UE, the base station may then transmit an additional encoded transmission via a unicast or multicast message to the UEs that were unsuccessful. Additionally, the base station may transmit configuration information for the multiple UEs to receive the encoded transmissions and to transmit the assistance information. For example, the configuration information may include portion information for how long the encoded transmission is transmitted via the broadcast, via the unicast, when to transmit the assistance information, etc. In some cases, the configuration information may be based on UE metrics of the multiple UEs.

公开(公告)号：US20230261729A1

公开(公告)日：2023-08-17

申请号：US18003576

申请日：2020-08-21

Applicant: QUALCOMM Incorporated

Inventor： Min Huang ,  Chao Wei ,  Qiaoyu Li ,  Jing Dai ,  Wei Xi ,  Chenxi Hao ,  Kangqi Liu ,  Hao Xu ,  Changlong Xu ,  Wanshi Chen

IPC: H04B7/08 ,  H04B7/06

CPC classification number: H04B7/0888 ,  H04B7/0626 ,  H04B7/0857

Abstract: Aspects of the disclosure relate to transmitting, from a user equipment (UE) to a base station, information indicative of a multicast session that the UE is interested in accessing; transmitting information indicating that a first beam of a plurality of beams is a preferred beam for receiving multicast data associated with the multicast session; receiving, from the base station, a list of at least one beam of the plurality of beams associated with the multicast session; and receiving, from the base station using a beam from the list, multicast data associated with the multicast session. Other aspects, embodiments, and features are also claimed and described.

公开(公告)号：US20230254022A1

公开(公告)日：2023-08-10

申请号：US18003465

申请日：2020-08-17

Applicant: QUALCOMM INCORPORATED

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

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0632 ,  H04B7/0639

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a channel state information (CSI) report configuration or a trigger for reporting a CSI report. The UE may receive one or more CSI-reference signal (RS) resources associated with the CSI report. The UE may determine, based on a measurement of one or more CSI-RSs, a channel quality for each slot of a set of slots. The UE may transmit, during an uplink transmission occasion, the CSI report that includes the channel quality for two or more slots of the set of slots. The UE may transmit the CSI report during an uplink transmission occasion.