公开(公告)号：US11252715B2

公开(公告)日：2022-02-15

申请号：US16671084

申请日：2019-10-31

Applicant: QUALCOMM Incorporated

Inventor： Jianghong Luo ,  Navid Abedini ,  Muhammad Nazmul Islam ,  Luca Blessent ,  Tao Luo ,  Junyi Li ,  Karl Georg Hampel

IPC: H04W72/04 ,  H04L5/26 ,  H04W52/14 ,  H04W72/12 ,  H04W84/04 ,  H04W88/04

Abstract: An access node may monitor for uplink and downlink resource release indications signaled by a parent access node and a child access node prior to scheduling a released resource. In some cases (e.g., when the child node is capable of half-duplex communications), the parent access node may determine to release a resource, and the child access node may determine to release a hard resource (e.g., a child node controlled resource). Receiving uplink and downlink resource release indications may enable the access node to schedule communication with the child node via a soft resource (e.g., a parent node controlled resource). Other aspects of the described techniques are directed to feedback support for a slot format indicator (SFI). The feedback from the access node may accept or reject the SFI based on an impact the SFI has on scheduling via a child link established with a child node of the access node.

公开(公告)号：US11229038B2

公开(公告)日：2022-01-18

申请号：US16534432

申请日：2019-08-07

Applicant: QUALCOMM Incorporated

Inventor： Jianghong Luo ,  Navid Abedini ,  Tao Luo ,  Muhammad Nazmul Islam ,  Junyi Li ,  Karl Georg Hampel

IPC: H04W72/12

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a central entity may determine a set of schedulable resources for a plurality of links associated with a plurality of nodes of a multi-link network; and may provide scheduling information to the plurality of nodes to schedule communication on the plurality of links based at least in part on determining the set of schedulable resources. In some aspects, a node of a network may determine an extended slot format indicator for the node based at least in part on a received extended slot format indicator of a parent node of the node and a received null adjust request from a child node of the node; may provide the determined extended slot format indicator to the child node; and may provide the received null adjust request to the parent node. Numerous other aspects are provided.

公开(公告)号：US20220007344A1

公开(公告)日：2022-01-06

申请号：US17476067

申请日：2021-09-15

Applicant: QUALCOMM Incorporated

Inventor： Bilal Sadiq ,  Sundar Subramanian ,  Muhammad Nazmul Islam ,  Juergen Cezanne ,  Navid Abedini ,  Tao Luo

IPC: H04W72/04 ,  H04L27/26 ,  H04W56/00 ,  H04L5/00

Abstract: Techniques are described for wireless communication. In one method, a user equipment (UE) receives a timing synchronization signal (TSS) and a physical broadcast channel (PBCH), with the TSS based at least in part on a timing of the TSS within a broadcast channel transmission time interval (BCH TTI); determines the timing of the TSS within the BCH TTI; and demodulates the PBCH based at least in part on the TSS. In another method, a base station allocates resources for a TSS and a PBCH within a BCH TTI; determines the TSS based at least in part on a timing of the TSS within the BCH TTI; and transmits, on the resources allocated for the TSS and the PBCH, the TSS and the PBCH, with the TSS transmitted as a demodulation reference signal (DMRS) for the PBCH on at least one port used to transmit the TSS and the PBCH.

公开(公告)号：US11191108B2

公开(公告)日：2021-11-30

申请号：US15707520

申请日：2017-09-18

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Junyi Li ,  Juergen Cezanne ,  Tao Luo ,  Sundar Subramanian

IPC: H04W74/06 ,  H04W74/08 ,  H04B7/06 ,  H04L5/00 ,  H04W48/16 ,  H04W72/04

Abstract: Certain aspects of the present disclosure provide techniques for random-access channel (RACH) communication. For example, certain aspects provide a method for wireless communication. The method generally includes transmitting a plurality of reference signals using one or more beams, and receiving at least one of a RACH preamble and or a RACH payload corresponding to one or more of the reference signals transmitted via at least one of the one or more beams.

公开(公告)号：US11191001B2

公开(公告)日：2021-11-30

申请号：US16189457

申请日：2018-11-13

Applicant: QUALCOMM Incorporated

Inventor： Jung Ho Ryu ,  Navid Abedini ,  Junyi Li ,  Karl Georg Hampel ,  Muhammad Nazmul Islam ,  Sundar Subramanian ,  Jianghong Luo ,  Juergen Cezanne ,  Vasanthan Raghavan

IPC: H04W72/04 ,  H04L5/00 ,  H04W36/32 ,  H04W36/00 ,  H04W36/36 ,  H04W74/08 ,  H04W36/24 ,  H04W88/04

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may initiate handover from one base station to another. The handover procedure may not include random access channel (RACH) transmissions, and thus may be a localized RACH-less handover. The UE may initiate handover to a new base station based on the relative location of the UE and the new base station, some predetermined time, or based on the characteristics of the signals from each base station.

公开(公告)号：US11184848B2

公开(公告)日：2021-11-23

申请号：US16032742

申请日：2018-07-11

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Sumeeth Nagaraja ,  Jianghong Luo ,  Sundar Subramanian ,  Ashwin Sampath

IPC: H04W52/02 ,  H04B7/06 ,  H04B7/08 ,  H04W76/28 ,  H04L5/00 ,  H04W16/28 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communication are described. A base station may identify that data is available to be transmitted to a user equipment (UE) that is operating in a discontinuous reception (DRX) mode. The base station may configure a plurality of UE-specific reference signals for transmission to the UE, each UE-specific reference signal indicating a UE identifier and an availability of data for the UE. The UE may receive the UE-specific reference signal, and identify that data is available for the UE from the base station. The UE may then transmit a beam recovery signal to the base station that includes an identifier for the transmit beam used by the UE to transmit the beam recovery signal. The base station may transmit, using a beam sweeping configuration, the plurality of UE-specific reference signals.

公开(公告)号：US11178586B2

公开(公告)日：2021-11-16

申请号：US16554300

申请日：2019-08-28

Applicant: QUALCOMM Incorporated

Inventor： Jianghong Luo ,  Navid Abedini ,  Junyi Li ,  Tao Luo ,  Muhammad Nazmul Islam ,  Karl Georg Hampel ,  Juergen Cezanne ,  Yan Zhou

IPC: H04W4/00 ,  H04W36/00 ,  H04W72/04

Abstract: Certain aspects of the present disclosure provide techniques for reporting of a beam correspondence state. Certain aspects provide a method for wireless communication by a first wireless device. The method includes, based on detecting the occurrence of a triggering event, determining one or more beam correspondence states for one or more beams or portions of beams used by the first wireless device for communication. The method further includes transmitting one or more indications of the one or more beam correspondence states to a second wireless device, wherein the one or more indications of the one or more beam correspondence states indicate whether the first wireless device has the capability of beam correspondence between the one or more beams and corresponding one or more transmit or receive beams used by the first wireless device for communication.

公开(公告)号：US20210337505A1

公开(公告)日：2021-10-28

申请号：US16859220

申请日：2020-04-27

Applicant: QUALCOMM Incorporated

Inventor： Parthasarathy KRISHNAMOORTHY ,  Ozcan Ozturk ,  Muhammad Nazmul Islam ,  Kuo-Chun Lee ,  Chetan Chakravarthy ,  Krishna Rao Mandadapu ,  Vijay Marwah ,  Mueez Ahmad

IPC: H04W68/00 ,  H04W56/00 ,  H04W60/00 ,  H04W76/27

Abstract: Methods, systems, and devices for wireless communication are described in relation to a Multiple Subscriber Identify Module (MSIM) user equipment (UE). The UE associated with multiple network subscriptions may determine a first timing of a first set of paging occasions associated with a first network subscription of the multiple network subscriptions, wherein the first network subscription is associated with a first network; determine a second timing of a second set of paging occasions associated with a second network subscription of the multiple network subscriptions, wherein the second network subscription is associated with a second network; compare the first timing and the second timing; detect a paging time adjustment condition based on the comparing; and transmit, based on detecting the paging time adjustment condition, a paging frame offset adjustment request to the first network, the second network or both.

公开(公告)号：US20210337499A1

公开(公告)日：2021-10-28

申请号：US17369663

申请日：2021-07-07

Applicant: QUALCOMM Incorporated

Inventor： Navid Abedini ,  Muhammad Nazmul Islam ,  Jianghong Luo ,  Wanshi Chen ,  Tao Luo ,  Junyi Li

IPC: H04W56/00 ,  H04W74/08

Abstract: Methods, systems, and devices for wireless communications are described that provide for multiple timing advance offsets that may be used in communications between wireless devices on a wireless communications system. A first timing advance offset may be a fixed offset that has a predetermined value or is selected from a set of available predetermined values, and a second timing advance offset may be adjustable by a wireless device. The second timing advance offset may be used in cases where relatively large distances between wireless devices are present in a system, where certain fixed timing advances are used in addition to or irrespective of a receiving devices propagation delay, where one or more parent nodes have an associated timing reference, or combinations thereof.

公开(公告)号：US20210321350A1

公开(公告)日：2021-10-14

申请号：US17357540

申请日：2021-06-24

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Navid Abedini ,  Samel Celebi ,  Tao Luo ,  Jianghong Luo ,  Karl Georg Hampel ,  Junyi Li

IPC: H04W56/00 ,  H04W74/08 ,  H04L1/00 ,  H04W72/04 ,  H04L29/12

Abstract: Methods, systems, and devices for wireless communications are described. A first node of an integrated access and backhaul (IAB) network may identify a second, neighboring non-parent node of the TAB network. The second node may be associated with a timing source which may provide more accurate timing information than the parent node of the first node. The first node may transmit a first random access message to the second node to initiate a random access procedure. The second node may transmit a second random access message to the first node, the second random access message including timing information based on the timing source. The first and second nodes may terminate the random access procedure based at least in part on receiving the second random access message.