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公开(公告)号：US10993176B2
公开(公告)日：2021-04-27
申请号：US16593738
申请日：2019-10-04
Applicant: QUALCOMM Incorporated
Inventor： Hung Ly , Joseph Binamira Soriaga , Tingfang Ji , Jing Jiang , Yang Yang , June Namgoong
Abstract: Aspects of the present disclosure describe receiving, in a portion of bandwidth, a unified synchronization signal from one or more cells in a zone, and receiving, in the portion of bandwidth, a cell-specific signal from at least one cell of the one or more cells in the zone.
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公开(公告)号：US10742238B2
公开(公告)日：2020-08-11
申请号：US15967592
申请日：2018-04-30
Applicant: QUALCOMM Incorporated
Inventor： Jamie Menjay Lin , Gabi Sarkis , Yang Yang
Abstract: Methods, systems, and devices for wireless communication are described. The examples described herein may enable a decoder to determine path metrics for various decoding paths based on identified frozen bit locations of a polar code. The path metric for a decoding path may be based on bit metrics determined for the identified frozen bit locations along the decoding path. Once the path metrics and bit metrics are determined, the decoder may compare these metrics to threshold criteria and determine whether to discard decoding paths based on the comparison. The techniques described herein for discarding decoding paths may allow the decoder to discard, prune, or disqualify certain decoding paths that are unlikely to provide an accurate representation of bits received from another device. Consequently, the decoder may be able to save power by terminating a decoding process early (i.e., early termination) if all paths are discarded, pruned, or disqualified.
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公开(公告)号：US20200229172A1
公开(公告)日：2020-07-16
申请号：US16829732
申请日：2020-03-25
Applicant: QUALCOMM Incorporated
Inventor： Makesh Pravin John Wilson , Tao Luo , Yang Yang , Heechoon Lee , Bilal Sadiq , June Namgoong
Abstract: User equipment (UE)-specific information may be transmitted within a control resource set configured to carry resources common to UEs within a system. The UE-specific information may be associated with a search space having an aggregation level different from aggregation levels used with the common control resources and may occupy different modulation symbols within the common control resource set (e.g., to support flexible scheduling for multiple UEs). A base station and UE may operate in a system using one or more control resource sets within a system bandwidth. The UE may detect common control resources by monitoring decoding candidates in the control resource set according to a first set of aggregation levels. The UE may detect UE-specific control resources by monitoring decoding candidates in the control resource set according to other aggregation levels. The UE and base station may communicate based on control information obtained from the monitoring.
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公开(公告)号：US10700913B2
公开(公告)日：2020-06-30
申请号：US15978985
申请日：2018-05-14
Applicant: QUALCOMM Incorporated
Inventor： Yang Yang , Alexandros Manolakos , Jing Sun
Abstract: Certain aspects of the present disclosure relate to methods and apparatus for mapping modulated symbols to physical resources. The mapping described herein may result in both time and frequency diversity. For example, a method for wireless communications may include alternately mapping quadrature amplitude modulated (QAM) symbols of a code block to frequency resources within a scheduling unit of time, wherein the mapping comprises a frequency-first mapping where symbols of the code block are alternately mapped to a first subset of the frequency resources in a first set of orthogonal frequency division multiplexed (OFDM) symbols, then to a second subset of the frequency resources in a second set of OFDM symbols, and transmitting the code block based on the mapping.
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公开(公告)号：US10686576B2
公开(公告)日：2020-06-16
申请号：US16120909
申请日：2018-09-04
Applicant: QUALCOMM Incorporated
Inventor： Peter Pui Lok Ang , Wanshi Chen , Heechoon Lee , Jing Sun , Joseph Binamira Soriaga , Yang Yang
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a first hybrid automatic repeat request acknowledgement (HARQ-ACK) payload for a first component carrier (CC) set based at least in part on a first downlink assignment index (DAI). The UE may determine a second HARQ-ACK payload for a second CC set based at least in part on a second DAI. The UE may transmit the first HARQ-ACK payload for the first CC set and the second HARQ-ACK payload for the second CC set. Numerous other aspects are provided.
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Patent Agency Ranking
公开(公告)号：US10674485B2
公开(公告)日：2020-06-02
申请号：US15694143
申请日：2017-09-01
Applicant: QUALCOMM Incorporated
Inventor： Makesh Pravin John Wilson , Tao Luo , Yang Yang , Heechoon Lee , Bilal Sadiq , June Namgoong
Abstract: User equipment (UE)-specific information may be transmitted within a control resource set configured to carry resources common to UEs within a system. The UE-specific information may be associated with a search space having an aggregation level different from aggregation levels used with the common control resources and may occupy different modulation symbols within the common control resource set (e.g., to support flexible scheduling for multiple UEs). A base station and UE may operate in a system using one or more control resource sets within a system bandwidth. The UE may detect common control resources by monitoring decoding candidates in the control resource set according to a first set of aggregation levels. The UE may detect UE-specific control resources by monitoring decoding candidates in the control resource set according to other aggregation levels. The UE and base station may communicate based on control information obtained from the monitoring.
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公开(公告)号：US10548079B2
公开(公告)日：2020-01-28
申请号：US15888980
申请日：2018-02-05
Applicant: QUALCOMM Incorporated
Inventor： Heechoon Lee , Yang Yang , Tingfang Ji , Alexei Yurievitch Gorokhov
Abstract: Tracking reference signal designs for deployments without continuous reference signal transmission are described. The tracking reference signals may be extended in the frequency domain from a synchronization signal block and may occupy a subset or all of the symbol periods of the synchronization signal block. The tracking reference signals may have the same subcarrier spacing as synchronization signals and may be punctured in the frequency domain. Alternatively, the tracking reference signals may include common control reference signals transmitted periodically with paired reference signals in a data channel. The common control reference signals and paired reference signals may be transmitted regardless of the presence of control or data. For improved tracking after a transition to a connected mode or a long discontinuous reception (DRX) cycle, a slot including tracking reference signals may be repeated or an additional tracking reference signal pattern may be transmitted.
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公开(公告)号：US20190372712A1
公开(公告)日：2019-12-05
申请号：US16476890
申请日：2018-02-17
Applicant: Qualcomm Incorporated
Inventor： Yang Yang , Jing Jiang , Changlong Xu , Gabi Sarkis , Chao Wei , Hari Sankar , Jian Li , Joseph Binamira Soriaga
IPC: H04L1/00
Abstract: Techniques are described for wireless communication. One method includes identifying a set of punctured bit locations in a received codeword. The received codeword is encoded using a polar code. The method also includes identifying a set of information bit locations of the polar code, with the set of information bit locations being determined based at least in part on polarization weights per polarized bit-channel of a polar code decoder that are a function of nulled repetition operations per polarization stage of the polar code identified based at least in part on the set of punctured bit locations. The method further includes processing the received codeword using the polar code decoder to obtain an information bit vector at the set of information bit locations.
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公开(公告)号：US10476650B2
公开(公告)日：2019-11-12
申请号：US15603158
申请日：2017-05-23
Applicant: QUALCOMM Incorporated
Inventor： Yang Yang , Jing Jiang , Alexandros Manolakos , Tao Luo
Abstract: Techniques are described for wireless communication. One method for wireless communication includes transmitting, to a user equipment (UE), an indication of a control channel subcarrier spacing to be used by the UE; and transmitting a control message having a subcarrier spacing in accordance with the indication. Another method for wireless communication includes transmitting, to a UE, an indicator channel identifying at least a subcarrier spacing to be used in one or more subsequent control channels. One or more subsequent control channels are then transmitted in accordance with the subcarrier spacing indicated by the indicator channel.
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公开(公告)号：US10432378B2
公开(公告)日：2019-10-01
申请号：US15717713
申请日：2017-09-27
Applicant: QUALCOMM Incorporated
Inventor： Peter Pui Lok Ang , Krishna Kiran Mukkavilli , Raghu Challa , Yang Yang , Alexei Yurievitch Gorokhov , Tingfang Ji , Joseph Binamira Soriaga , Heechoon Lee
Abstract: Techniques are described for wireless communication. A method for wireless communication at a user equipment (UE) includes identifying a transmission timing of a control reference signal transmitted over a radio frequency spectrum band during an OFF duration of the UE with respect to the radio frequency spectrum band, in which the identified transmission timing is relative to a transition from the OFF duration to an ON duration of the UE with respect to the radio frequency spectrum band; receiving the control reference signal at the identified transmission timing; and performing a warm-up procedure, before the ON duration, based at least in part on the identified transmission timing of the control reference signal. A method for wireless communication at a wireless network includes indicating, to the UE, the transmission timing of the control reference signal; and transmitting the control reference signal at the indicated transmission timing. The OFF duration and the ON duration are coordinated with a wireless network.
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