公开(公告)号：WO2020036885A1

公开(公告)日：2020-02-20

申请号：PCT/US2019/046198

申请日：2019-08-12

Applicant: QUALCOMM INCORPORATED

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

IPC: H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described that provide for hop-count indication in an integrated access and backhaul (IAB) network. An IAB-node may adopt and indicate multiple values for hop-count. The hop-count may be conveyed by a number of different reference signals and channels. A resource pattern and/or a slot pattern may also be associated with the hop-count to simply signaling. By associating the patterns with the hop-count, an IAB-node may be able to infer the resource pattern used by another IAB-node.

公开(公告)号：WO2020018235A1

公开(公告)日：2020-01-23

申请号：PCT/US2019/038549

申请日：2019-06-21

Applicant: QUALCOMM INCORPORATED

Inventor： SADIQ, Bilal ,  ABEDINI, Navid ,  ISLAM, Muhammad Nazmul ,  LI, Junyi ,  BHUSHAN, Naga ,  MANOLAKOS, Alexandros ,  SORIAGA, Joseph Binamira

IPC: H04W56/00

Abstract: Disclosed are techniques for determining a beam-specific timing advance for Round-Trip Time (RTT) estimation. In an aspect, a first node receives a plurality of beams transmitted by a second node on a wireless channel, selects a first beam from the plurality of beams for transmitting a timing response, determines a timing statistic, a timing difference, and a timing advance for the first beam, wherein the timing difference comprises a difference between the timing statistic and an earliest time of arrival of the plurality of beams, and wherein the timing advance comprises a multiple of the timing difference, and transmits the timing response for the first beam to the second node on the wireless channel, wherein the first node transmits the timing response after a time delay from the timing statistic of the first beam, wherein the time delay comprises a difference between a predetermined time delay and the timing advance.

公开(公告)号：WO2020014080A1

公开(公告)日：2020-01-16

申请号：PCT/US2019/040660

申请日：2019-07-04

Applicant: QUALCOMM INCORPORATED

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

IPC: H04W56/00

Abstract: Aspects described herein relate to communicating timing advance (TA) values in an integrated access and backhaul (IAB) network. A first node in a wireless network can receive a media access control (MAC) control element (CE) indicating a downlink transmission timing advance for transmitting downlink communications. The first node can transmit downlink communications based on the MAC CE.

公开(公告)号：WO2020013987A1

公开(公告)日：2020-01-16

申请号：PCT/US2019/039032

申请日：2019-06-25

Applicant: QUALCOMM INCORPORATED

Inventor： SADIQ, Bilal ,  ABEDINI, Navid ,  BHUSHAN, Naga ,  LI, Junyi ,  SORIAGA, Joseph Binamira ,  ISLAM, Muhammad Nazmul ,  MANOLAKOS, Alexandros

IPC: H04W56/00

Abstract: Systems and methods for determining round trip time (RTT) includes a second node, which receives a first signal from a first node at a first time, determines a timing advance based on a first estimated channel response for the first signal, and transmits at a second time, a second signal to the first node, wherein the second time occurs after the first time by an amount of a pre-specified delay for RTT estimation minus the timing advance. The first node transmits the first signal to the second node at an initial time, receives the second signal from the second node, and determines a timing statistic from a second estimated channel response for the second signal, the timing statistic estimated at a third time. The first node determines the RTT as the third time minus the initial time minus the pre-specified delay for RTT estimation.

公开(公告)号：WO2020013926A1

公开(公告)日：2020-01-16

申请号：PCT/US2019/034961

申请日：2019-05-31

Applicant: QUALCOMM INCORPORATED

Inventor： ZHOU, Yan ,  LUO, Tao ,  JOHN WILSON, Makesh Pravin ,  ISLAM, Muhammad Nazmul ,  ZHANG, Xiaoxia

IPC: H04L5/00

Abstract: Repetitive PDCCH may be utilized to extend control channel coverage. The PDCCH may be configured to repeat in adjacent or non-adjacent slots per monitoring occasion of corresponding search space. The PDCCH may carry control information such as a grant that schedules a channel for a wireless device, such that the wireless device receives instructions for scheduling a channel at a scheduled slot. The apparatus may receive control information in a repetitive PDCCH within a set of slots. The repetitive PDCCH schedules a channel for reception or transmission by the UE. The apparatus may determine a scheduled slot index for the channel scheduled by the repetitive PDCCH. The apparatus may communicate the channel at the determined scheduled slot index and based on the received control information in the repetitive PDCCH. The channel may be a PDSCH, a PUSCH, or may carry A-CSI-RS.

公开(公告)号：WO2020009761A1

公开(公告)日：2020-01-09

申请号：PCT/US2019/034931

申请日：2019-05-31

Applicant: QUALCOMM INCORPORATED

Inventor： ISLAM, Muhammad Nazmul ,  LUO, Tao ,  NAM, Wooseok ,  LI, Junyi ,  CEZANNE, Juergen

IPC: H04B7/06 ,  H04B7/08

Abstract: Techniques are described herein for reordering beams used to transmit reference signals for subsequent beam sweeps of a beam management procedure. Beams used to transmit reference signals may be hierarchically ordered to enable a user equipment (UE) to terminate the beam management procedure early and thereby conserve power while operating in a discontinuous reception mode. A base station may transmit reference signals using a first ordered set of beams as part of a first beam sweep. The UE may transmit feedback information to the base station about the signal quality for at least some of the reference signals. The base station may generate a second ordered set of beams based on the feedback information. The base station may transmit the reference signals using the second ordered set of beams as part of a second beam sweep.

公开(公告)号：WO2019245972A9

公开(公告)日：2019-12-26

申请号：PCT/US2019/037486

申请日：2019-06-17

Applicant: QUALCOMM INCORPORATED

Inventor： ABEDINI, Navid ,  SADIQ, Bilal ,  ISLAM, Muhammad Nazmul ,  LUO, Jianghong ,  LI, Junyi ,  CHEN, Wanshi

IPC: H04W56/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless node may receive, from a second wireless node, a round-trip time timing advance indicator, wherein the round-trip time timing advance indicator is different from a timing advance indicator used for an uplink transmission timing advance message. In some aspects, the first wireless node may synchronize a timing configuration of the first wireless node to at least one of the second wireless node or a third wireless node based at least in part on the round-trip time timing advance indicator. Numerous other aspects are provided.

公开(公告)号：WO2019241397A1

公开(公告)日：2019-12-19

申请号：PCT/US2019/036780

申请日：2019-06-12

Applicant: QUALCOMM INCORPORATED

Inventor： NAM, Wooseok ,  ISLAM, Muhammad Nazmul ,  LUO, Tao ,  LI, Junyi ,  CEZANNE, Juergen

IPC: H04W76/28

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may transmit (or a base station may receive) a beam failure recovery (BFR) request based at least in part on detecting a beam failure while the user equipment is in a discontinuous reception (DRX) mode; and the user equipment may receive (or the base station may transmit) a response to the BFR request, wherein the response uses a particular structure based at least in part on the beam failure occurring during the DRX mode. Numerous other aspects are provided.

公开(公告)号：WO2019231797A1

公开(公告)日：2019-12-05

申请号：PCT/US2019/033620

申请日：2019-05-22

Applicant: QUALCOMM INCORPORATED

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

IPC: H04W72/12

Abstract: A base station central unit (CU) may receive a measurement report from one or more user equipments (UEs). The CU may identify a scheduling plan indication (SPI) for one or more scheduling nodes in a network, based at least in part on the received measurement reports. The SPI may specify a pattern of scheduling states, over a period of time, to be used by the scheduling nodes to schedule communication resources for one or more UEs in the network. The scheduling states may (e.g., based on an interference profile determined from the received measurement reports) specify UEs or other communication resources for transmission scheduling decisions made by the scheduling nodes, or may specify beam patterns for beamforming procedures performed by the scheduling nodes. In some cases, the scheduling nodes may identify tentative SPIs, which the CU may pass amongst other scheduling nodes for distributed scheduling coordination schemes.

公开(公告)号：WO2019217830A1

公开(公告)日：2019-11-14

申请号：PCT/US2019/031741

申请日：2019-05-10

Applicant: QUALCOMM INCORPORATED

Inventor： SORIAGA, Joseph Binamira ,  ISLAM, Muhammad Nazmul ,  OZTURK, Ozcan ,  GAAL, Peter ,  CHEN, Wanshi

IPC: H04W64/00 ,  H04W4/20

Abstract: Certain aspects of the present disclosure provide techniques communicating in a wireless network. In one embodiment, a method includes monitoring for a paging downlink control channel comprising downlink control information, wherein the downlink control information comprises a first short message; processing the first short message; determining if the control information further comprises scheduling information; processing the scheduling information if the downlink control information comprises scheduling information and the UE is not in a connected state; and ignoring the scheduling information if the downlink control information comprises scheduling information and the UE is in a connected state.