公开(公告)号：US20230059005A1

公开(公告)日：2023-02-23

申请号：US17822518

申请日：2022-08-26

Applicant: QUALCOMM Incorporated

Inventor： Jing SUN ,  Tao LUO ,  Tamer KADOUS ,  Juan MONTOJO ,  Xiao Feng WANG ,  Sony AKKARAKARAN

IPC: H04J11/00 ,  H04W48/12 ,  H04L5/00

Abstract: User equipment associated with a legacy network may utilize a bottom-to-top search technique to identify relevant control channel samples. Generating a control channel that is configured for the bottom-to-top search technique may lead to poor performance in a single-carrier waveform, which may be disadvantageous as networks move toward New Radio. In some aspects, described herein, a base station generates a control channel that is configured to minimize gaps in the control channel, and a user equipment performs a top-to-bottom search technique to identify relevant control channel samples. By using the top-to-bottom search technique, degradation of single-carrier waveforms is reduced and efficiency is improved.

公开(公告)号：US20230016995A1

公开(公告)日：2023-01-19

申请号：US17951061

申请日：2022-09-22

Applicant: QUALCOMM Incorporated

Inventor： Tao LUO ,  Juan MONTOJO ,  Tamer KADOUS ,  Junyi LI ,  Xiaoxia ZHANG ,  Jing SUN ,  Taesang YOO ,  Siddhartha MALLIK

IPC: H04L45/16 ,  H03M13/09 ,  H04L41/0668 ,  H04W52/38 ,  H04W52/56 ,  H04W52/50 ,  H04W52/16 ,  H04W72/12 ,  H04W72/04 ,  H04B7/216 ,  H04W52/54 ,  H04B7/06 ,  H04W76/22 ,  H04W52/34 ,  H04W52/14 ,  H04W72/08 ,  H04W52/42 ,  H04L5/00 ,  H04B17/24 ,  H04W52/24 ,  H04W24/08 ,  H04L12/18 ,  H04B17/318 ,  H04L1/00 ,  H04W48/08 ,  H04L1/18 ,  H04W76/19 ,  H04W92/20 ,  H04W24/02 ,  H04W24/04

Abstract: Various aspects of the disclosure relate to event triggers for independent links. For example, an event trigger may be based on measurements from multiple links. In some aspects, the independent links may involve a first device (e.g., a user equipment) communicating via different independent links with different devices (e.g., transmit receive points (TRPs) or sets of TRPs). For example, the first device may communicate with a second device (e.g., a TRP) via a first link and communicate with a third device (e.g., a TRP) via a second link. In some scenarios, an event trigger may be based on aggregated measurements from multiple links.

公开(公告)号：US20210136593A1

公开(公告)日：2021-05-06

申请号：US17146211

申请日：2021-01-11

Applicant: QUALCOMM Incorporated

Inventor： Pranav DAYAL ,  Tamer KADOUS ,  Ashok MANTRAVADI ,  Jibing WANG ,  Rajat PRAKASH

IPC: H04W16/14 ,  H04W72/12

Abstract: A method of wireless communication by user equipment (UE) identifies a coexistence issue corresponding to a set of communication resources of the UE. The UE transmits, to a base station, an indication of the coexistence issue. The UE receives, from the base station, a communication parameter for selectively scheduling a measurement gap pattern. The UE communicates in accordance with the measurement gap pattern to mitigate the coexistence issue.

公开(公告)号：US20200045556A1

公开(公告)日：2020-02-06

申请号：US16529691

申请日：2019-08-01

Applicant: QUALCOMM Incorporated

Inventor： Yisheng XUE ,  Aleksandar DAMNJANOVIC ,  Yongbin WEI ,  Siddhartha MALLIK ,  Tamer KADOUS

IPC: H04W16/14 ,  H04W72/12 ,  H04W74/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may select a plurality of channel access intervals during which the device is associated with a priority condition relative to another device for communications by the device, wherein each of the plurality of channel access intervals includes a respective contention interval and a respective transmission opportunity; and may transmit, during a contention interval of a first channel access interval of the plurality of channel access intervals, a signal that includes: channel occupancy information for the device for a first transmission opportunity of the first channel access interval, and information that identifies at least a portion of one or more subsequent channel access intervals, of the plurality of channel access intervals, associated with the device. Numerous other aspects are provided.

公开(公告)号：US20190319767A1

公开(公告)日：2019-10-17

申请号：US16366430

申请日：2019-03-27

Applicant: QUALCOMM Incorporated

Inventor： Jing SUN ,  Xiaoxia ZHANG ,  Tamer KADOUS

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04

Abstract: Certain aspects of the present disclosure provide techniques for rate-matching data on a per transmission reception point (TRP) basis for single downlink control information (DCI) multi-TRP transmissions. Transmitters operating according to the present disclosure use a per TRP rate matching technique in which the rate-matching order is to first rate-match across spatial layers transmitted by a TRP, then across frequency, then across time, and then to another TRP, where remaining data is rate-matched across the spatial layers of that other TRP, then across frequency, and then across time. The described per TRP rate-matching technique causes code blocks of a transport block to be transmitted by one TRP, instead of each code block being transmitted by a group of TRPs.

公开(公告)号：US20190261354A1

公开(公告)日：2019-08-22

申请号：US16282009

申请日：2019-02-21

Applicant: QUALCOMM Incorporated

Inventor： Seyed Ali Akbar FAKOORIAN ,  Srinivas YERRAMALLI ,  Xiaoxia ZHANG ,  Jing SUN ,  Tamer KADOUS

IPC: H04W72/04 ,  H04L1/08 ,  H04L1/18

Abstract: Techniques and apparatus for enhancing uplink grant-free transmissions and/or downlink semi-persistent scheduling (SPS) transmissions for uplink ultra-reliable low latency communications (URLLC) are described. One technique includes receiving a first configuration for a first grant-free communication and a second configuration for at least one second grant-free communication. Grant-free communications are performed based on at least one of the first configuration or the second configuration.

公开(公告)号：US20190037481A1

公开(公告)日：2019-01-31

申请号：US16043042

申请日：2018-07-23

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Yongbin WEI ,  Tamer KADOUS ,  Tao LUO ,  Jing SUN

IPC: H04W48/16 ,  H04L5/00 ,  H04W16/14 ,  H04J11/00

Abstract: Methods, systems, and devices for wireless communication are described. A base station may perform a Listen-Before-Talk (LBT) procedure to obtain access to a wireless communication channel. The base station may then determine a pattern of synchronization signal block (SSB) transmissions based on an outcome of the LBT procedure and transmit the pattern of SSB transmissions after obtaining access to the wireless communication channel. The outcome of the LBT procedure may include obtaining access to the wireless communication channel after a missed opportunity for at least one SSB transmission in a discovery reference signal (DRS) measurement timing configuration (DMTC) window. A user equipment (UE) may determine system timing based on a received SSB transmission.

公开(公告)号：US20180310341A1

公开(公告)日：2018-10-25

申请号：US15811125

申请日：2017-11-13

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Chih-Hao LIU ,  Tamer KADOUS

IPC: H04W74/08 ,  H04B1/7156 ,  H04W74/00

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. In one configuration, the apparatus may receive, from a base station, first information associated with one or more resources allocated for at least one PRACH transmission. In one aspect, the one or more resources may be allocated in an unlicensed spectrum. In another aspect, the one or more resources may be allocated based on a multi-tone PRACH bandwidth. The apparatus may also receive second information associated with a frequency hopping configuration from the base station. In one aspect, the frequency hopping configuration may be associated with at least one of the one or more allocated resources or the multi-tone PRACH bandwidth. The apparatus may transmit, to the base station, the at least one PRACH transmission using the one or more allocated resources within the multi-tone PRACH bandwidth and the frequency hopping configuration.

公开(公告)号：US20180124777A1

公开(公告)日：2018-05-03

申请号：US15635033

申请日：2017-06-27

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Tamer KADOUS ,  Chih-Hao LIU ,  Chirag PATEL ,  Alberto RICO ALVARINO

IPC: H04W72/04

CPC classification number: H04W72/0453 ,  H04B1/713 ,  H04L1/12 ,  H04L1/189 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0048 ,  H04L5/14 ,  H04L67/12 ,  H04W4/70 ,  H04W16/14 ,  H04W28/26 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/048 ,  H04W74/0808 ,  H04W88/02 ,  H04W88/08

Abstract: A method and apparatus for wireless communication in the unlicensed spectrum between an eNB and UEs having different bandwidths, e.g., between a narrowband UE and a wideband eNB. A UE apparatus transmits uplink transmissions in a plurality of transmission units and hops frequency bands in a first pattern across frames based on a base station hopping pattern. The apparatus may transmit uplink transmissions based on dual hopping patterns, and may hop in a second pattern across transmission units within the base station's channel occupancy within a frame. A base station apparatus may hop frequency bands in a first pattern across frames based on a base station hopping pattern, and may receive uplink transmissions in a narrowband from a UE in a plurality of transmission units within the frequency bands based on the base station hopping pattern.

公开(公告)号：US20230345453A1

公开(公告)日：2023-10-26

申请号：US18194962

申请日：2023-04-03

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Ahmed Kamel SADEK ,  Tamer KADOUS

IPC: H04W72/12 ,  H04L27/26 ,  H04W72/1268 ,  H04L1/00 ,  H04L1/1812 ,  H04W74/00 ,  H04L1/1607 ,  H04L5/00 ,  H04L1/1822 ,  H04W72/21

CPC classification number: H04W72/1215 ,  H04L27/2662 ,  H04W72/1268 ,  H04L1/0031 ,  H04L1/0067 ,  H04L1/0026 ,  H04L1/1819 ,  H04W74/006 ,  H04L1/1614 ,  H04L5/0094 ,  H04L1/1822 ,  H04L5/0078 ,  H04W72/21 ,  H04W28/06

Abstract: Techniques for autonomous uplink (AUL) transmissions are provided that allow for efficient use of shared radio frequency spectrum band resources. A user equipment (UE) may determine a duration of an AUL transmission and modify an uplink waveform or provide an indication to a base station of one or more channel resources that may be available for base station transmissions, in order to more fully utilize shared radio frequency spectrum band resources within a maximum channel occupancy time (MCOT). A base station may activate or deactivate AUL transmissions through downlink control information (DCI) transmitted to the UE. A UE and base station may exchange various other control information to provide relatively efficient autonomous uplink transmissions and use of the shared radio frequency spectrum band resources.