公开(公告)号：US20220240196A1

公开(公告)日：2022-07-28

申请号：US17160305

申请日：2021-01-27

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Jing SUN ,  Yisheng XUE ,  Aleksandar DAMNJANOVIC ,  Tao LUO ,  Juan MONTOJO

IPC: H04W52/30

Abstract: Disclosed are systems and techniques for performing sidelink communications. For instance, a first client device can determine a first transmit power parameter for transmitting sidelink communications. The first transmit power parameter can either be received from a base station associated with the first client device or it can be a default parameter based on the first client device not being associated with a base station. The first client device can transmit, to a second client device, a first sidelink transmission having a first power level corresponding to the first transmit power parameter. The first client device can receive, from the second client device, a first sidelink reception having a second power level corresponding to a second transmit power parameter.

公开(公告)号：US20220239427A1

公开(公告)日：2022-07-28

申请号：US17453814

申请日：2021-11-05

Applicant: QUALCOMM Incorporated

Inventor： Anantha Krishna Karthik NAGARAJAN ,  Jun MA ,  Morteza SOLTANI ,  Xiaoxia ZHANG ,  Iyab Issam SAKHNINI ,  Wooseok NAM ,  Tao LUO ,  Peter GAAL ,  Juan MONTOJO

IPC: H04L5/00

Abstract: Certain aspects of the present disclosure provide techniques for demodulation reference signal (DMRS) sequence selection. One aspect provides a method for wireless communication by a first wireless node. The method generally includes selecting a type of DMRS sequence to be used for communication with a second wireless node based on a signal quality associated with the communication, receiving a message having the type of DMRS sequence, and performing channel estimation based on the DMRS sequence using the message.

公开(公告)号：US20220232555A1

公开(公告)日：2022-07-21

申请号：US17513669

申请日：2021-10-28

Applicant: QUALCOMM Incorporated

Inventor： Mahmoud TAHERZADEH BOROUJENI ,  Tao LUO ,  Peter GAAL ,  Junyi LI ,  Jelena DAMNJANOVIC ,  Juan MONTOJO ,  Iyab Issam SAKHNINI ,  Xiaoxia ZHANG

IPC: H04W72/04 ,  H04L1/08

Abstract: Aspects of the present disclosure relate to techniques for physical uplink control channel configuration and coverage enhancement in a wireless communication network. A base station can dynamically indicate a repetition factor for an uplink control channel to improve coverage of the uplink control channel. The base station can explicitly or implicitly indicate the repetition factor using various signaling techniques. The interpretation of an indication of a repetition factor can depend on one or more parameters, for example, a physical uplink control channel (PUCCH) format, an uplink control information size, a code rate, and/or a PUCCH resource set used for the PUCCH.

公开(公告)号：US20220232517A1

公开(公告)日：2022-07-21

申请号：US17150901

申请日：2021-01-15

Applicant: QUALCOMM Incorporated

Inventor： Chih-Hao LIU ,  Yisheng XUE ,  Aleksandar DAMNJANOVIC ,  Jing SUN ,  Xiaoxia ZHANG ,  Rajat PRAKASH ,  Juan MONTOJO ,  Tao LUO

IPC: H04W72/02 ,  H04W28/26 ,  H04W72/04 ,  H04W74/08

Abstract: A first UE in a UE group may determine that a sidelink channel is available for data transmission and transmit SCI reserving a COT on the sidelink channel. A second may receive, from the first UE, the SCI reserving the COT on the sidelink channel and transmitting the sidelink transmission on the sidelink channel using one or more resources of the inter-group sharable resources. The COT may include a first set of resources reserved for the first UE, an intra-group sharable resources capable of being shared by the UE group, and an inter-group sharable resources capable of being shared by the second UE outside of the UE group. The second UE may perform the CAT 1 or CAT 2 LBT procedure to contend for the inter-group sharable resources. The access to the inter-group sharable resources may be limited.

公开(公告)号：US20220225173A1

公开(公告)日：2022-07-14

申请号：US17148223

申请日：2021-01-13

Applicant: QUALCOMM Incorporated

Inventor： Jung Ho RYU ,  Sony AKKARAKARAN ,  Junyi LI ,  Tao LUO ,  Jing SUN ,  Xiaoxia ZHANG ,  Xiaojie WANG ,  Peter GAAL ,  Juan MONTOJO ,  Ozcan OZTURK ,  Arumugam CHENDAMARAI KANNAN ,  Jelena DAMNJANOVIC ,  Piyush GUPTA ,  Gene Wesley MARSH

IPC: H04W28/26 ,  H04W72/04 ,  H04W8/24

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may transmit an announcement that indicates a plurality of future resource reservations. The wireless communication device may transmit multiple sets of announcements that indicate one or more reservations and may vary the transmission frequency thereof based on proximity to the communications. The wireless communication device may transmit an announcement that indicates a future communication and a cancellation indication that indicates a cancellation of the communication. The wireless communication device may transmit a preemption indication that indicates that resources reserved for an announced future communication have been preempted for another communication. Numerous other aspects are described.

公开(公告)号：US20220201729A1

公开(公告)日：2022-06-23

申请号：US17247614

申请日：2020-12-17

Applicant: QUALCOMM Incorporated

Inventor： Seyedkianoush HOSSEINI ,  Wei YANG ,  Wanshi CHEN ,  Juan MONTOJO

IPC: H04W72/12 ,  H04L1/18 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive, from a second UE via a sidelink interface, a triggering signal associated with triggering hybrid automatic repeat request (HARQ) feedback for a sidelink. The UE may transmit, to the second UE and based at least in part on the triggering signal, HARQ feedback associated with the second UE. Numerous other aspects are provided.

公开(公告)号：US20220200774A1

公开(公告)日：2022-06-23

申请号：US17127457

申请日：2020-12-18

Applicant: QUALCOMM Incorporated

Inventor： Wei YANG ,  Seyedkianoush HOSSEINI ,  Hung Dinh LY ,  Yuchul KIM ,  Peter GAAL ,  Wanshi CHEN ,  Juan MONTOJO ,  Hwan Joon KWON ,  Krishna Kiran MUKKAVILLI ,  Tingfang JI

IPC: H04L5/00 ,  H04W72/02 ,  H04W72/04 ,  H04W24/08 ,  H04W80/02

Abstract: Apparatus, methods, and computer-readable media for facilitating sidelink resource pool activation and deactivation for sidelink communication are disclosed herein. An example method for wireless communication at a first sidelink device includes identifying a configuration of a bandwidth part (BWP) for sidelink communication. In some examples, the BWP may comprise at least a first resource pool including a first subset of frequency resources and a second resource pool including a second subset of frequency resources. The example method also includes receiving an activation indication activating the second subset of frequency resources of the second resource pool. Additionally, the example method includes activating the second subset of frequency resources of the second resource pool based on the activation indication.

公开(公告)号：US20220123800A1

公开(公告)日：2022-04-21

申请号：US17429657

申请日：2020-02-06

Applicant: Qualcomm Incorporated

Inventor： Qiaoyu LI ,  Chao WEI ,  YU ZHANG ,  Liangming WU ,  Chenxi HAO ,  Min HUANG ,  Hao XU ,  Wanshi CHEN ,  Juan MONTOJO

IPC: H04B7/0456 ,  H04B7/0404 ,  H04B7/0408 ,  H04L5/00 ,  H04W72/04

Abstract: Methods, systems, devices, and apparatuses for wireless communications that support transmission diversity enhancement for uplink control channel are described. Generally, the described techniques provide for enhanced performance of an uplink control channel such as a physical uplink control channel (PUCCH) through the use of transmission diversity. In some cases, multiple input multiple output (MIMO) techniques may be supported for transmission of an uplink control channel for a given format suitable for transmission diversity enhancement. A resource block (RB) used in an uplink control channel transmission may contain a number of resource elements (REs) across one or more resource blocks. According to some aspects, a transmit diversity scheme may be employed at the RE level through application of different spatial precoders for different groups of REs of a given RB.

公开(公告)号：US20220104135A1

公开(公告)日：2022-03-31

申请号：US17485058

申请日：2021-09-24

Applicant: QUALCOMM Incorporated

Inventor： Jung Ho RYU ,  Sony AKKARAKARAN ,  Tao LUO ,  Junyi LI ,  Jelena DAMNJANOVIC ,  Juan MONTOJO ,  Jing SUN ,  Peter GAAL ,  Xiaoxia ZHANG ,  Ozcan OZTURK

IPC: H04W52/02 ,  H04W72/04 ,  H04L5/00

Abstract: Certain aspects of the present disclosure provide techniques for signaling a user equipment (UE) to put a sidelink (SL) component carrier (CC) into dormancy or take the SL CC out of dormancy, such as mode 1 or mode 2 sidelink communications. In one example, a method performed by a UE includes receiving an indication to put a first CC into dormancy; and putting an SL CC into a dormant state in response to the indication. In another example, a method includes transmitting an indication that the first UE will put an SL CC into a dormant state; and receiving an acknowledgment (ACK) of the indication.

公开(公告)号：US20220095378A1

公开(公告)日：2022-03-24

申请号：US17414135

申请日：2018-12-18

Applicant: Jing LEI ,  Seyong PARK ,  Joseph Binamira SGRIAGA ,  Yi HUANG ,  Yiqing CAQ ,  Tingfang Jl ,  Juan MONTOJO ,  Peter GAAL ,  Wanshi CHEN ,  QUALCOMM Incorporated

Inventor： Jing LEI ,  Seyong PARK ,  Joseph Binamira SORIAGA ,  Yi HUANG ,  Yiqing CAQ ,  Tingfang Jl ,  Juan MONTOJO ,  Peter GAAL ,  Wanshi CHEN

IPC: H04W74/08 ,  H04W74/00

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a resource configuration for a random access (RA) procedure. The resource configuration may identify multiple sets of transmission resources corresponding to multiple radio resource control (RRC) states. The UE may identify an RRC state and may determine a set of transmission resources and/or a transport format based on the indication of the resource configuration, the identified RRC state, and/or a UE identifier (UE ID). The UE may transmit a first RA procedure message (e.g., a msgA) using the determined transmission resources and/or transport format. The base station may receive the message and may identify the RRC state of the UE based on the first message and transmitted indication of the resource configuration. The base station may transmit a second RA procedure message (e.g., a msgB), which the UE may receive.