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公开(公告)号：US11490410B2
公开(公告)日：2022-11-01
申请号：US16948485
申请日：2020-09-21
Applicant: QUALCOMM Incorporated
Inventor： Huilin Xu , Peter Pui Lok Ang , Peter Gaal , Aamod Khandekar , Yuanning Yu , Ruhua He , Alexandros Manolakos , Tao Luo , Hongsan Sheng , Yan Zhou
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, on a first carrier having a first subcarrier spacing (SCS), a scheduling indication via a physical downlink control channel (PDCCH) scheduling a downlink transmission on a second carrier having a second SCS. The UE may process the downlink transmission on the second carrier based at least in part on a delay between the PDCCH and the scheduled downlink transmission and a timing threshold having a basic term and an adjustment term. For example, the basic term may be based at least in part on a minimum delay between the PDCCH and the scheduled downlink transmission, and the adjustment term may be based at least in part on a processing time due to a difference between the first SCS and the second SCS. Numerous other aspects are provided.
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公开(公告)号：US11483841B2
公开(公告)日：2022-10-25
申请号：US17247607
申请日：2020-12-17
Applicant: QUALCOMM Incorporated
Inventor： Iyab Issam Sakhnini , Tao Luo , Yan Zhou , Wooseok Nam , Jelena Damnjanovic , Mahmoud Taherzadeh Boroujeni , Juan Montojo , Peter Gaal , Peter Pui Lok Ang , Linhai He
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may perform respective measurements of one or more demodulation reference signals (DMRSs). Each of the one or more DMRSs may be associated with a repetition of a downlink transmission. Each of the one or more DMRSs may be transmitted on a narrow beam that is located within a wide beam associated with a transmission configuration indication indicated in a grant for the downlink transmission. The UE may transmit an indication of one or more of the respective measurements. Numerous other aspects are provided.
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公开(公告)号：US20220322308A1
公开(公告)日：2022-10-06
申请号：US17219447
申请日：2021-03-31
Applicant: QUALCOMM Incorporated
Inventor： Qunfeng He , Carlos Cabrera Mercader , Peter Pui Lok Ang , Arvind Vardarajan Santhanam , Yongle Wu
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, control signaling including an indication of a first measurement gap configuration associated with a first bandwidth part (BWP) and associated with measurements for communications at the UE over a frequency outside of the first BWP in a frequency domain. The UE may receive, from the base station, a downlink message including an indication of the first BWP. The UE may then communicate with the base station during a first time interval based on the indication of the first measurement gap configuration and the indication of the first BWP.
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公开(公告)号：US20220322148A1
公开(公告)日：2022-10-06
申请号：US17223225
申请日：2021-04-06
Applicant: QUALCOMM Incorporated
Inventor： Iyab Issam Sakhnini , Jun Ma , Olufunmilola Omolade Awoniyi-Oteri , Tao Luo , Yan Zhou , Wooseok Nam , Juan Montojo , Peter Pui Lok Ang , Jelena Damnjanovic , Mahmoud Taherzadeh Boroujeni
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a configuration for a set of bandwidth part groups including an intra-group switching delay and an inter-group switching delay, where the intra-group switching delay is smaller than the inter-group switching delay. The UE may communicate with a base station on a first bandwidth part of a first bandwidth part group of the set of bandwidth part groups. The UE may switch to a second bandwidth part of the first bandwidth part group based at least in part on the intra-group switching delay, or the UE may switch to a third bandwidth part of a second bandwidth part group based at least in part on the inter-group switching delay. The UE may communicate with the base station on the second bandwidth part or the third bandwidth part based on switching.
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公开(公告)号：US11463956B2
公开(公告)日：2022-10-04
申请号：US16948986
申请日：2020-10-08
Applicant: QUALCOMM Incorporated
Inventor： Le Liu , Alberto Rico Alvarino , Peter Pui Lok Ang
Abstract: A method, an apparatus, a base station, a user equipment (UE), and a computer program product for wireless communication are provided. The base station may encode a wakeup signal so that a preamble of the wakeup signal indicates whether the wakeup signal is relevant to the UE. The UE may select a technique for detecting the wakeup signal based at least in part on a partial, full, or no synchronization. In some aspects, the wakeup signal may be encoded with a system frame number. In some aspects, wakeup signals for guardband/standalone UEs are provided. Numerous other aspects are provided.
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Patent Agency Ranking
公开(公告)号：US20220224374A1
公开(公告)日：2022-07-14
申请号：US17705579
申请日：2022-03-28
Applicant: QUALCOMM Incorporated
Inventor： Le Liu , Alberto Rico Alvarino , Peter Pui Lok Ang , Huilin Xu , Hung Dinh Ly , Renqiu Wang
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit uplink transmissions according to a frequency hopping pattern. The UE may identify that a first set of uplink transmissions are to be transmitted to a base station by a first set of resources (e.g., a first set of slots, a first set of frequency resources) as indicated by the frequency hopping pattern. The UE may further identify, based on the frequency hopping pattern, that a second set of uplink transmissions are to be transmitted to the base station by a second set of resources (e.g., a second set of slots, a second set of frequency resources). The first set of slots and the second set of slots may each include more than one slot. Additionally, the first and second set of resources may be within a same bandwidth part or in different bandwidth parts.
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公开(公告)号：US11368263B2
公开(公告)日：2022-06-21
申请号：US16991809
申请日：2020-08-12
Applicant: QUALCOMM Incorporated
Inventor： Jing Lei , Seyong Park , Peter Pui Lok Ang
Abstract: Methods, systems, and devices for wireless communications are described. A network may generate a pool of distinct base sequences for use with uplink messages from a user equipment (UE) to a base station, where each base sequence in the pool of distinct base sequences may have a peak to average power ratio below a threshold. A base station may assign the pool of distinct base sequences into groups of base sequences based on a group size and a hopping pattern reuse factor. The base station may assign the groups of base sequences to cells and signal the group size and a hopping pattern index to UEs in the cells. A UE in a cell may identify the group of base sequences assigned to the cell based on the signaled parameters and select a base sequence for use in transmitting an uplink message to the base station.
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公开(公告)号：US11357039B2
公开(公告)日：2022-06-07
申请号：US16863782
申请日：2020-04-30
Applicant: QUALCOMM Incorporated
Inventor： Wooseok Nam , Juan Montojo , Tao Luo , Wanshi Chen , Peter Pui Lok Ang , Peter Gaal , Gabi Sarkis
Abstract: Methods, systems, and devices for wireless communications are described that support feedback for multicast communications. A user equipment (UE) in a group of UEs may receive multicast information from a base station in a downlink (DL) transmission scheduled by a DL grant. The DL grant may also indicate a set of uplink resources for the group of UEs to use to transmit feedback. The UE may attempt to decode a message containing the multicast information in the DL transmission. If the UE determines the message was successfully decoded, the UE may send no feedback to the base station. If the UE determines the message was not successfully decoded, the UE may transmit a feedback message to the base station to indicate the message was unsuccessfully decoded. The base station may monitor for the feedback message and determine to retransmit the multicast information if the feedback message is received.
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公开(公告)号：US11330571B2
公开(公告)日：2022-05-10
申请号：US16544114
申请日：2019-08-19
Applicant: QUALCOMM Incorporated
Inventor： Makesh Pravin John Wilson , Tao Luo , Muhammad Nazmul Islam , Hung Dinh Ly , Heechoon Lee , Peter Pui Lok Ang
Abstract: Methods, systems, and devices for wireless communications are described that provide for selection of different sets of transmission beams by a user equipment (UE) for establishing beamformed communications with a base station. Each transmission beam of a first set of transmission beams may have corresponding uplink random access channel (RACH) resources. A UE may monitor for transmission beams from a base station and select a first transmission beam of the first set for communications with the base station. As part of a connection establishment, the base station may provide configuration information that indicates a second set of transmission beams that includes each transmission beam of the first set of transmission beams and at least an additional transmission beam. In some cases, the additional transmission beam may be mapped to a first RACH resource that also corresponds to a first transmission beam of the first set of transmission beams.
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公开(公告)号：US11323236B2
公开(公告)日：2022-05-03
申请号：US16911354
申请日：2020-06-24
Applicant: QUALCOMM Incorporated
Inventor： Huilin Xu , Seyedkianoush Hosseini , Alexandros Manolakos , Peter Pui Lok Ang
Abstract: Narrowband (NB) Physical Downlink Control Channel (PDCCH) demodulation reference signals (DMRS) bundling coverage enhancements are disclosed. In some aspects, NB PDCCH DMRS bundling resources and timing are allocated in a virtual domain by a transmitting device, such as a base station. In some aspects the allocated resources are control channel elements (CCEs); the CCEs are allocated according to a pattern in the virtual domain. The base station may transmit NB PDCCH transmissions and corresponding DMRS transmissions in physical domain resources that correspond to the virtual domain resources, the CCE allocation pattern. In some aspects, the NB PDCCH DMRS can be used with PDCCH repetitions. To illustrate, a base station may repeat a PDCCH transmission (e.g., payload data thereof) in multiple particular PDCCH candidates of a plurality of PDCCH candidates. The particular PDCCH candidates may be identified based on PDCCH candidate number or a reference slot or search space set occasion.
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