公开(公告)号：US20210194657A1

公开(公告)日：2021-06-24

申请号：US17125550

申请日：2020-12-17

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Jianghong LUO ,  Tao LUO ,  Luca BLESSENT ,  Karl Georg HAMPEL ,  Junyi LI

IPC: H04L5/00

Abstract: Aspects described herein relate to quasi co-location (QCL) indications in an integrated access and backhaul (IAB) system. In an example, an IAB node may determine a spatial relation between a first communication of a DU entity and a second communication of one of the DU entity or a co-located MT entity. The IAB node may further configure a beam of at least one of the MT or the DU based on the determined spatial relation. The IAB node may further communicate using the beam with at least one entity.

公开(公告)号：US20210120517A1

公开(公告)日：2021-04-22

申请号：US17070214

申请日：2020-10-14

Applicant: QUALCOMM Incorporated

Inventor： Sony AKKARAKARAN ,  Navid ABEDINI ,  Tao LUO

IPC: H04W64/00 ,  G01S5/02

Abstract: An integrated access backhaul (IAB) node with an unknown position may use the mobile terminated (MT) function to send or receive reference signals to or from multiple base stations in one or more positioning sessions for positioning of the IAB node. The distributed unit (DU) function may be used additionally, or alternatively, to send or receive reference signals to or from multiple nodes, e.g., user equipments (UEs) or MT functions of downstream IAB nodes. Positioning measurements from the reference signals may be sent to a location server, which may determine the position of the IAB node. The location server may further receive an indication of the mobility of the IAB node, which may be used for positioning of UEs, e.g., by excluding information about a mobile IAB node during positioning.

公开(公告)号：US20210076453A1

公开(公告)日：2021-03-11

申请号：US17010677

申请日：2020-09-02

Applicant: QUALCOMM Incorporated

Inventor： Jianghong LUO ,  Junyi LI ,  Navid ABEDINI

IPC: H04W76/36 ,  H04W72/04 ,  H04W72/14 ,  H04W76/27 ,  H04W88/14

Abstract: The present disclosure provides techniques for uplink resource management. For example, a method is provided including receiving a configuration granting a plurality of periodic uplink resources for use by the first wireless communication device to transmit data on an uplink. The method further includes determining for a first uplink resource of the plurality of periodic uplink resources, that grant of the first uplink resource for use by the first wireless communication device can be released. The method further includes based on the determining for the first uplink resource, transmitting to a second wireless communication device an indication that the grant of the first uplink resource for use by the first wireless communication device can be released.

公开(公告)号：US20210076358A1

公开(公告)日：2021-03-11

申请号：US17010649

申请日：2020-09-02

Applicant: QUALCOMM Incorporated

Inventor： Jianghong LUO ,  Junyi LI ,  Navid ABEDINI

IPC: H04W72/04

Abstract: The present disclosure provides techniques for uplink resource management. For example, a method of wireless communication by a first communication device is provided including receiving, from a second communication device, a configuration allocating at least one uplink resource for use by the first communication device to transmit data on an uplink. The method further includes initiating preparing data for transmission on a first uplink resource of the at least one uplink resource prior to receiving an activation indication for the first uplink resource. The method further includes when the activation indication is received from the second communication device, transmitting uplink data on the first uplink resource to the second communication device. The method further includes when failing to receive the activation indication from the second communication device, refraining from transmitting uplink data on the first uplink resource.

公开(公告)号：US20210068066A1

公开(公告)日：2021-03-04

申请号：US17002560

申请日：2020-08-25

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Luca BLESSENT ,  Muhammad Nazmul ISLAM ,  Jianghong LUO ,  Karl Georg HAMPEL ,  Tao LUO ,  Junyi LI

IPC: H04W56/00

Abstract: Aspects provide for autonomous adjustment of the uplink and downlink transmission timing in wireless communication networks. A radio access network (RAN) entity (e.g., a scheduling entity, such as a base station or parent integrated access backhaul (IAB) node, or a centralized network node, such as an IAB donor node central unit) may provide support to a scheduled entity (e.g., a user equipment (UE) or child IAB node) to operate in an autonomous time adjustment (ATA) mode to autonomously adjust its uplink transmission timing to compensate for the change in downlink reception timing. The RAN entity may generate ATA mode information related to the ATA mode for the scheduled entity and transit the ATA mode information to the scheduled entity.

公开(公告)号：US20210059015A1

公开(公告)日：2021-02-25

申请号：US16995089

申请日：2020-08-17

Applicant: QUALCOMM Incorporated

Inventor： Jianghong LUO ,  Junyi LI ,  Karl Georg HAMPEL ,  Navid ABEDINI ,  Luca BLESSENT ,  Tao LUO ,  Naeem AKL

IPC: H04W88/14 ,  H04W76/11 ,  H04W76/27 ,  H04W80/02 ,  H04W72/04 ,  H04W68/00 ,  H04W56/00

Abstract: An apparatus receives an indication of a Physical Cell Identifier (PCI) change for a serving integrated access and backhaul (IAB) node and uses the new PCI value for receiving communication from the serving IAB node based on the indication of the PCI change. The apparatus may comprise a user equipment (UE) or a mobile termination (MT) of a child IAB node that is served by the IAB node.

公开(公告)号：US20210058835A1

公开(公告)日：2021-02-25

申请号：US16994998

申请日：2020-08-17

Applicant: QUALCOMM Incorporated

Inventor： Jianghong LUO ,  Junyi LI ,  Karl Georg HAMPEL ,  Navid ABEDINI ,  Luca BLESSENT ,  Tao LUO ,  Naeem AKL

IPC: H04W36/00 ,  H04W16/04 ,  H04W48/16

Abstract: A central entity determines a physical cell identifier (PCI) change of an integrated access and backhaul (IAB) node from a first PCI to a second PCI and sends the second PCI to the IAB node. In response to receiving the second PCI from the central entity, the IAB node changes from using the first PCI to using the second PCI for the IAB node.

公开(公告)号：US20210044958A1

公开(公告)日：2021-02-11

申请号：US16947496

申请日：2020-08-04

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Karl Georg HAMPEL ,  Jianghong LUO ,  Naeem AKL ,  Luca BLESSENT ,  Tao LUO ,  Junyi LI

IPC: H04W8/08

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may receive mobility state information associated with an integrated access backhaul (IAB) node. The mobility state information may include information associated with at least one of: a level of mobility of the IAB node, or a change in mobility of the IAB node. The wireless communication device may perform an operation based at least in part on the mobility state information associated with the IAB node. In some aspects, a wireless communication device may determine that mobility state information associated with an IAB node is to be transmitted, and may transmit the mobility state information associated with the IAB node based at least in part on the determination. Numerous other aspects are provided.

公开(公告)号：US20210036762A1

公开(公告)日：2021-02-04

申请号：US16945531

申请日：2020-07-31

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Junyi LI ,  Ashwin SAMPATH

IPC: H04B7/155 ,  H04W48/08 ,  H04W74/08

Abstract: Aspects of the present disclosure provide apparatus, methods, processing systems, and computer readable mediums to enhance the functionality of directional repeaters (wireless devices that relay directional wireless signals). For example, aspects of the present disclosure may help enable repeaters to provide greater assistance in an access procedure, for example, by generating and sending SSBs without (or with limited) gNB involvement and monitoring for RACH-related transmissions.

公开(公告)号：US20210029729A1

公开(公告)日：2021-01-28

申请号：US16937292

申请日：2020-07-23

Applicant: QUALCOMM Incorporated

Inventor： Navid ABEDINI ,  Jianghong LUO ,  Kapil GULATI ,  Luca BLESSENT ,  Tao LUO ,  Junyi LI ,  Wanshi CHEN

IPC: H04W72/12 ,  H04W72/04 ,  H04L5/00 ,  H04W76/27 ,  H04W88/14

Abstract: Aspects of the present disclosure provide techniques of allocating time resources (or slots) based on a flexible pattern that allows allocation of a set of non-continuous time slots resources in an integrated access and backhaul (IAB) system. In one example, the aggregation pattern may be indicated via a single downlink control information (DCI) message that carries explicit information regarding non-continuous time slot allocation. Features of the present disclosure may also include techniques to allow for early termination of transmission between the first node and the second node when the receiver (e.g., second node) successfully receives the data channel before the end of aggregated transmission. In such situation, the first node and the second node may cease transmission after reception of an acknowledgement (ACK) message that may allow the second node to utilize the subsequent time slots for communication with its own children on the next hop (e.g., third node).