公开(公告)号：US12262360B2

公开(公告)日：2025-03-25

申请号：US17375905

申请日：2021-07-14

Applicant: QUALCOMM Incorporated

Inventor： Srinivas Yerramalli ,  Arumugam Chendamarai Kannan ,  Vasanthan Raghavan ,  Jing Sun ,  Vinay Chande ,  Giovanni Chisci ,  Tao Luo ,  Wooseok Nam ,  Xiaoxia Zhang

IPC: H04W72/0453 ,  H04L5/00 ,  H04L25/02 ,  H04W72/23 ,  H04W72/51

Abstract: Methods, systems, and devices for wireless communications are described. To support communications across a wideband, a base station and user equipment (UE) may communicate across the wideband using a set of sub-bands that span the carrier bandwidth (e.g., the wideband). In some cases, the UE may transmit, to the base station, an indication of a capability of the UE to communicate a wideband communication with the base station via the set of sub-band based communications with the base station. The UE may receive, from the base station (and, in some cases based on the capability of the UE), a configuration for communicating with the base station in the carrier bandwidth using the set of sub-bands. Then, the UE may communicate with the base station in the carrier bandwidth using one or more of the set of sub-bands in accordance with the configuration.

公开(公告)号：US12250747B2

公开(公告)日：2025-03-11

申请号：US17496656

申请日：2021-10-07

Applicant: QUALCOMM Incorporated

Inventor： Wooseok Nam ,  Jing Sun ,  Tao Luo ,  Vinay Chande ,  Xiaoxia Zhang

IPC: H04W76/25 ,  H04L1/00 ,  H04L27/26

Abstract: A method for wireless communication by a user equipment (UE) determines a downlink/uplink (DL/UL) switching capability of the UE, and reports the DL/UL switching capability to a network. The DL/UL switching capability may indicate a quantity of DL/UL switch points, N, supported by the UE, and a time duration to which the quantity of DL/UL switch points is applied. The DL/UL switching capability may indicate a minimum link duration for which the UE should maintain a link direction after a previous DL/UL switch operation and before a next DL/UL switch operation. The DL/UL switching capability may include a DL/UL switching delay indicating a time specified for the UE to complete a DL/UL switching operation. The DL/UL switching capability may be based on a reference subcarrier spacing (SCS).

公开(公告)号：US12250721B2

公开(公告)日：2025-03-11

申请号：US17221500

申请日：2021-04-02

Applicant: QUALCOMM Incorporated

Inventor： Giovanni Chisci ,  Arumugam Chendamarai Kannan ,  Jing Sun ,  Vinay Chande ,  Xiaoxia Zhang ,  Aleksandar Damnjanovic

IPC: H04W74/08 ,  H04W16/28 ,  H04W72/044 ,  H04W74/0816

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitting node may perform a directional listen-before-talk (LBT) using a sensing beam. The transmitting node may start a channel occupancy time (COT) after the directional LBT based at least in part on one of a COT claiming signal or a time stamp. The transmitting node may perform, to a receiving node, one or more transmissions during the COT using one or more transmit beams that are included in the sensing beam. Numerous other aspects are described.

公开(公告)号：US12137480B2

公开(公告)日：2024-11-05

申请号：US17827421

申请日：2022-05-27

Applicant: QUALCOMM Incorporated

Inventor： Vinay Chande ,  Arumugam Chendamarai Kannan ,  Tao Luo ,  Xiaoxia Zhang

IPC: H04W74/08 ,  H04W16/28 ,  H04W74/00 ,  H04W74/0833

Abstract: Aspects directed towards communications for random access procedures are disclosed. In one example, a first beam and a second beam may be available for communications between a scheduled entity and a scheduling entity. The scheduling entity may send, and the scheduled entity may receive, a message 1 transmission for a random access procedure on the first beam. The scheduled entity may open a random access response (RAR) window to monitor for a message 2 transmission according to a predetermined sequence designating whether to monitor the first beam, the second beam, or some combination thereof. The scheduling entity may send, and the scheduled entity may receive, the message 2 transmission on the first beam or the second beam as designated by the predetermined sequence. Other aspects, embodiments, and features are also included.

公开(公告)号：US12058736B2

公开(公告)日：2024-08-06

申请号：US17395415

申请日：2021-08-05

Applicant: QUALCOMM Incorporated

Inventor： Vinay Chande ,  Arumugam Chendamarai Kannan ,  Srinivas Yerramalli ,  Giovanni Chisci ,  Xiaoxia Zhang ,  Jing Sun ,  Tao Luo

IPC: H04W74/08 ,  H04B17/336 ,  H04W24/10 ,  H04W74/0816

CPC classification number: H04W74/0816 ,  H04B17/336 ,  H04W24/10

Abstract: The present disclosure relates to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. In one aspect, the apparatus may determine an energy detection threshold of a reference bandwidth, the energy detection threshold being based on at least one of a transmit power or a power class. The apparatus may also measure an interference level of at least one signal. Additionally, the apparatus may adjust the energy detection threshold of the reference bandwidth based on a sensing bandwidth. The apparatus may also determine whether a transmission medium is available based on at least one of the adjusted energy detection threshold or the measured interference level of the at least one signal.

公开(公告)号：US11997514B2

公开(公告)日：2024-05-28

申请号：US17232067

申请日：2021-04-15

Applicant: QUALCOMM Incorporated

Inventor： Wooseok Nam ,  Tao Luo ,  Jing Sun ,  Xiaoxia Zhang ,  Zhifei Fan ,  Qingjiang Tian ,  Ahmed Abdelaziz Ibrahim Abdelaziz Zewail ,  Vinay Chande

IPC: H04W24/08 ,  H04B7/06 ,  H04L5/00 ,  H04W56/00 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/23 ,  H04W72/53 ,  H04W80/02

CPC classification number: H04W24/08 ,  H04B7/0626 ,  H04L5/0051 ,  H04W56/001 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/23 ,  H04W72/53 ,  H04W80/02

Abstract: A method, a computer-readable medium, and an apparatus are disclosed. The apparatus may be a UE. The apparatus may transmit, to a base station, an indication of a UE capability for PDCCH monitoring. The apparatus may configure, based on the UE capability for PDCCH monitoring, first MOs of a USS set to align with second MOs of a CSS set. The apparatus may monitor, based on the configuration, for a plurality of PDCCHs during PDCCH MOs. The PDCCH MOs may correspond to the first MOs or the second MOs. The first MOs of the USS set may be adjusted dynamically to be in same slots as the second MOs of the CSS set or to be within a predefined range of the second MOs of the CSS set.

公开(公告)号：US11968546B2

公开(公告)日：2024-04-23

申请号：US17691536

申请日：2022-03-10

Applicant: QUALCOMM INCORPORATED

Inventor： Giovanni Chisci ,  Jing Sun ,  Arumugam Chendamarai Kannan ,  Vinay Chande ,  Sumant Jayaraman Iyer ,  Marco Papaleo ,  Tao Luo ,  Aleksandar Damnjanovic ,  Xiaoxia Zhang

IPC: H04W16/28

CPC classification number: H04W16/28

Abstract: A method for wireless communication includes a first wireless communication device receiving, from a second wireless communication device, one or more signals for each of a plurality of candidate sensing beams and a transmission beam. The method also includes determining, for each of the plurality of candidate sensing beams based on at least one of the one or more signals for the respective candidate sensing beam, a first signal measurement. The method also includes determining, based on at least one of the one or more signals for the transmission beam, a second signal measurement with respect to a direction of the transmission beam, and determining, for each of the plurality of candidate sensing beams based on the respective first signal measurement and the second signal measurement, beam coverage information with respect to the transmission beam direction.

公开(公告)号：US11864164B2

公开(公告)日：2024-01-02

申请号：US17302861

申请日：2021-05-13

Applicant: QUALCOMM Incorporated

Inventor： Arumugam Chendamarai Kannan ,  Jing Sun ,  Xiaoxia Zhang ,  Vinay Chande ,  Srinivas Yerramalli ,  Tao Luo ,  Juan Montojo

IPC: H04W72/121 ,  H04W72/044 ,  H04L5/00 ,  H04W16/28

CPC classification number: H04W72/044 ,  H04L5/0055 ,  H04W16/28 ,  H04W72/121

Abstract: The present disclosure relates to apparatus and methods of monitoring a region by a transmitting device within a wireless medium for transmissions using at least one directional beam covering the region. Upon determining that the region in the wireless medium is free of transmissions, the transmitting device transmits to a plurality of wireless devices in the region using a plurality of spatially separated directional beams. Other aspects of the disclosure relate to apparatus and methods for receiving an instruction, e.g., at a user equipment (UE), to perform a channel assessment at a first time. The UE monitors a region within a wireless medium for transmissions after receiving the instruction. Upon determining that the region is free of transmissions, the UE may send an acknowledgment of the received instruction.

公开(公告)号：US11856587B2

公开(公告)日：2023-12-26

申请号：US17819731

申请日：2022-08-15

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo Park ,  Makesh Pravin John Wilson ,  Tao Luo ,  Jing Sun ,  Xiaoxia Zhang ,  Arumugam Chendamarai Kannan ,  Vinay Chande ,  Mostafa Khoshnevisan

IPC: H04W72/04 ,  H04W72/23 ,  H04L5/00 ,  H04L1/1812 ,  H04W72/044

CPC classification number: H04W72/23 ,  H04L1/1812 ,  H04L5/0048 ,  H04L5/0007 ,  H04W72/0466

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a first transmit receive point (TRP), a downlink control information (DCI) communication, the UE being included in a multi-TRP configuration with the first TRP and a second TRP. The UE may determine information unique to the first TRP. The information unique to the first TRP may be at least one of associated with the DCI communication or included in the DCI communication. The UE may generate a downlink scrambling sequence initialization code, associated with the first TRP, based at least in part on the information unique to the first TRP. The UE may generate a downlink scrambling sequence, associated with the first TRP, based at least in part on the downlink scrambling sequence initialization code associated with the first TRP. Numerous other aspects are provided.

公开(公告)号：US11770221B2

公开(公告)日：2023-09-26

申请号：US17469747

申请日：2021-09-08

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo Park ,  Srinivas Yerramalli ,  Wooseok Nam ,  Xiaoxia Zhang ,  Tao Luo ,  Jing Sun ,  Arumugam Chendamarai Kannan ,  Vinay Chande ,  Kaushik Chakraborty ,  Olufunmilola Omolade Awoniyi-Oteri ,  Sony Akkarakaran ,  Mostafa Khoshnevisan ,  Zhifei Fan

IPC: H04L5/00 ,  H04W72/0453 ,  H04L27/26

CPC classification number: H04L5/0007 ,  H04L5/0053 ,  H04L27/2607 ,  H04L27/26025 ,  H04L27/2636 ,  H04L27/2678 ,  H04W72/0453

Abstract: Methods, systems, and devices for time domain single carrier (SC) waveform communications are described. A user equipment (UE) may generate an SC waveform by resampling (e.g., up-sampling) mapped information bits prior to insertion of a cyclic prefix (CP) or guard interval (GI). Performing resampling prior to CP/GI insertion allows for resource allocation flexibility and a base station may allocate resources for the SC waveform in accordance with this flexibility. For example, a base station may not be limited or restricted to a certain number of resources for SC waveform communications and may therefore determine a resource allocation for the UE based on the capability of the UE to perform resampling prior to CP/GI insertion. The resampling may be performed according to a set of parameters including a resampling ratio, which may be indicated to the UE via control signaling (e.g., from the base station).