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公开(公告)号：US11212828B2
公开(公告)日：2021-12-28
申请号：US16360950
申请日：2019-03-21
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Junyi Li , Chong Li
Abstract: Various aspects of the present disclosure generally relate to wireless communication. A traffic window may be scheduled for a user equipment (UE) base on semi-persistent scheduling (SPS). In various situations, all or a portion of a first communication to be transmitted or received can be transmitted or received during an SPS grant in the traffic window. If useful, additionally, a remainder of the first communication not transmitted or received during the SPS grant may be transmitted in an on-demand grant appended to the SPS grant. The on-demand grant can be in a same subframe as the SPS grant. When the BS appends the on-demand grant to the SPS grant, the BS may transmit, and the UE may receive, an indicator indicating that the on-demand grant has been appended to the SPS grant. Numerous other aspects are provided.
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公开(公告)号：US20210400689A1
公开(公告)日：2021-12-23
申请号：US17350314
申请日：2021-06-17
Applicant: QUALCOMM Incorporated
Inventor： Xiaojie Wang , Piyush Gupta , Jing Sun , Lik Hang Silas Fong
Abstract: Methods, systems, and devices for wireless communications are described for improving sidelink communication reliability. In some examples, a user equipment (UE) may map allocated sidelink resources from a logical domain to a physical domain, where the mapped resources may include greater frequency diversity in the physical domain. A frequency range of a sidelink control channel or of a sidelink data channel may be greater in the physical domain than in the logical domain after the mapping. In some examples, sidelink communications may be associated with an aggregation factor that represents a number of repetitions of a sidelink communication. In this example, a UE may repeat a sidelink communication within a contention-based resource pool a number of times before receiving feedback in order to increase communication reliability. A first UE may communicate a sidelink communication with a second UE using a resource mapping or repetitions of the sidelink communication.
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公开(公告)号：US11075712B2
公开(公告)日：2021-07-27
申请号：US16405448
申请日：2019-05-07
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Junyi Li , Chong Li
Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may receive an indicator of retransmission scheduling for a plurality of UEs, determine, based on a modulation and coding scheme (MCS) update in the indicator, resources for receiving a retransmission, and receive the retransmission on the determined resources. A base station may receive a negative acknowledgement report from at least one UE of a plurality of UEs, determine a modulation and coding scheme (MCS) update for the at least one UE, generate an indicator of retransmission scheduling for the plurality of UEs, the indicator including the MCS update for the at least one UE, and transmit the indicator.
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344.发明授权公开(公告)号：US11039420B2
公开(公告)日：2021-06-15
申请号：US16419784
申请日：2019-05-22
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Chong Li
Abstract: Aspects of the present disclosure provide techniques to reduce overhead and improve resource management by efficiently selecting RSMA spreading code for periodic traffic in IoE devices. For example, in accordance with one technique, the IoE device, during an initial access to the base station, may notify the base station of the traffic periodicity of the IoE device such that the base station may assign a spreading code from a dedicated pool that is not utilized during the periodic access of the device. Additionally or alternatively, another technique to reduce overhead and improve resource management may include the IoE devices broadcasting the selected RSMA spreading code that the IoE devices intends to use in discovery broadcasts (DBs) along with the IoE device traffic periodicity such that the IoE devices may autonomously manage selection of RSMA spreading code that avoids collisions for the same traffic periodicity.
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公开(公告)号：US10999858B2
公开(公告)日：2021-05-04
申请号：US16405207
申请日：2019-05-07
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Junyi Li , Chong Li
Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may receive an indicator of resource allocation for a plurality of UEs, determine, based at least on a grouping of the plurality of UEs, resources from the resource allocation for receiving data at the UE, and receive the data on the determined resources. A base station may receive a plurality of acknowledgement reports from a plurality of UEs, determine, based on a grouping of the plurality of UEs, a resource allocation for each UE from which a negative acknowledgement was received, and transmit an indicator of the resource allocation.
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Patent Agency Ranking
公开(公告)号：US20210067997A1
公开(公告)日：2021-03-04
申请号：US16998687
申请日：2020-08-20
Applicant: QUALCOMM Incorporated
Inventor： Hua Wang , Piyush Gupta , Junyi Li , Xiaoxia Zhang , Jing Sun , Yisheng Xue , Seyed Ali Akbar Fakoorian
Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for determining sidelink channel metrics using reference signal measurements of reference signals transmitted by other UEs. A first UE may receive a control message from a base station, and the control message may indicate a measurement threshold. The first UE may generate a reference signal measurement of a reference signal transmitted by a second UE via a sidelink channel between the first UE and the second UE. The UE may transmit a measurement report to the base station based at least in part on the measurement satisfying the threshold. The report may be a quantized value of the measurement or a bit indicating that the measurement satisfies the threshold. Based on receipt of the measurement report, the base station may determine to transmit data to the second UE via a transmission to the first UE.
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公开(公告)号：US10903945B2
公开(公告)日：2021-01-26
申请号：US16272709
申请日：2019-02-11
Applicant: QUALCOMM Incorporated
Inventor： Rajat Prakash , Peerapol Tinnakornsrisuphap , Piyush Gupta , Mostafa Khoshnevisan , Junyi Li
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a downlink data communication. The UE may determine a processing time for the downlink data communication based at least in part on at least one of: whether the downlink data communication was scheduled via preconfigured scheduling or via a downlink grant received in a downlink control channel, or whether the downlink data communication is an initial transmission or a retransmission. The UE may transmit acknowledgement or negative acknowledgement (ACK/NACK) feedback, corresponding to the downlink data communication, using a timing indicated by the processing time. Numerous other aspects are provided.
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公开(公告)号：US20200344779A1
公开(公告)日：2020-10-29
申请号：US16855793
申请日：2020-04-22
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Junyi Li
Abstract: Methods, systems, and devices for wireless communications are described for efficient allocation of feedback resources and transmission of feedback for low latency communications. A first user equipment (UE) may be allocated uplink resources for uplink transmissions having one or more gaps during which a second UE may transmit feedback information to initiate a retransmission within specified time limits to achieve desired quality of service (QoS) targets. The one or more gaps may be provided through a downlink control information message that indicates uplink resources to the first UE based on a first starting transmission symbol and a first length indicator, and a second starting transmission symbol and a second length indicator. The one or more gaps may be additionally or alternatively provided through one or more reserved symbols, and the first UE may skip uplink transmissions in one or more reserved symbols.
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349.发明授权公开(公告)号：US10757691B2
公开(公告)日：2020-08-25
申请号：US15994535
申请日：2018-05-31
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Jing Sun
Abstract: Certain aspects of the present disclosure provide techniques for downlink retransmission of Code Block Groups (CBGs) in the event of preemption.
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公开(公告)号：US20200100263A1
公开(公告)日：2020-03-26
申请号：US16581678
申请日：2019-09-24
Applicant: QUALCOMM Incorporated
Inventor： Piyush Gupta , Srinivas Yerramalli , Vinay Joseph , Junyi Li
Abstract: Methods, systems, and devices for wireless communication are described. A base station may transmit, and a UE may receive, via a configuration message, a group identifier indicating a group of UEs with which the UE is associated, the group of UEs being one of multiple groups of UEs which are each allocated resources. The base station may transmit the group downlink control information message to the group of UEs, and the UE may receive the group downlink control information message. The UE may determine that the group downlink control information message pertains to the UE by associating the group identifier with the group downlink control information message. The base station and the UE may communicate in accordance with the group downlink control information message based at least in part on the UE being associated with the group to which the group downlink control information message pertains.
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