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公开(公告)号：US20240121797A1
公开(公告)日：2024-04-11
申请号：US18277275
申请日：2021-03-11
Applicant: Lenovo (Beijing) Limited
Inventor： Yu Zhang , Haipeng Lei
IPC: H04W72/232 , H04L5/00 , H04W74/08
CPC classification number: H04W72/232 , H04L5/0053 , H04W74/0808
Abstract: The present application relates to a method and an apparatus for monitoring DCI. The method includes: receiving a DCI from a BS, wherein the DCI includes an indicator; determining one or more sensing beams used by the BS to perform a LBT procedure according to the indicator and a higher layer signaling; and determining one or more transmission beams used by the BS to transmit PDCCH according to the indicator and the higher layer signaling, wherein the one or more transmission beams are within a spatial region of a CO initiated by the BS after completing the directional LBT with the one or more sensing beams.
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公开(公告)号：US12112183B2
公开(公告)日：2024-10-08
申请号：US17431083
申请日：2019-02-15
Applicant: LENOVO (BEIJING) LIMITED
Inventor： Yu Zhang , Haipeng Lei , Alexander Golitschek Edler Von Elbwart
CPC classification number: G06F9/452 , G06F9/3555
Abstract: Methods and apparatus for contention window size adjustment are described. A method includes: receiving a first group of feedback signals indicating a first state corresponding to data transmitted in a first band used by a carrier, the first group of feedback signals comprising at least one first feedback signal; receiving a second group of feedback signals indicating a second state corresponding to data transmitted in the first band used by the carrier; determining a first scaling factor α for one of the at least one first feedback signal; determining a ratio of the first group of feedback signals to the first group of feedback signals and the second group of feedback signals; and comparing the ratio to a threshold to determine a contention window size (CWS) of the first band, wherein the first scaling factor α substitutes a weight of the one of the at least one first feedback signal in determination of the ratio of the first group of feedback signals to the first group of feedback signals and the second group of feedback signals.
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3.发明申请公开(公告)号：US20220256578A1
公开(公告)日：2022-08-11
申请号：US17630002
申请日：2019-08-02
Applicant: Lenovo (Beijing) Limited
Inventor： Yu Zhang , Haipeng Lei , Alexander Golitschek Edler von Elbwart
Abstract: Embodiments of the present disclosure relate to method and apparatus for HARQ feedback. According to an embodiment of the present disclosure, a method can include: receiving control information at least for a plurality of physical uplink shared channel (PUSCH) transmissions in an uplink transmission burst; and transmitting the plurality of PUSCH transmissions in the uplink transmission burst based on the control information, wherein one of the plurality of PUSCH transmissions includes an uplink control information (UCI) signaling at least associated with all PUSCH transmissions in an initial slot of the uplink transmission burst. Embodiments of the present disclosure can reduce the overhead for configured grant based uplink transmission.
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公开(公告)号：US20220174667A1
公开(公告)日：2022-06-02
申请号：US17442050
申请日：2019-03-29
Applicant: LENOVO (BEIJING) LIMITED
Inventor： Haipeng Lei , Alexander Golitschek Edler Von Elbwart , Yu Zhang
Abstract: An apparatus and method for scheduling Multi-TTI transmissions, for PDSCH and PUSCH. 1. The disclosure provides an apparatus having: a receiver that receives downlink control information (DCI) scheduling a plurality of data channels, wherein the DCI contains a first indicator indicating a first time domain resource allocation pattern selected from a set of predefined time domain resource allocation patterns for time domain resources of the plurality of data channels; a processor that performs a channel access procedure for each of the plurality of data channels; and a transmitter that transmits the plurality of data channels in the time domain resources in response to the channel access procedure for a corresponding data channel being successful.
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公开(公告)号：US12184420B2
公开(公告)日：2024-12-31
申请号：US17625664
申请日：2019-07-12
Applicant: LENOVO (BEIJING) LIMITED
Inventor： Haipeng Lei , Alexander Golitschek Edler Von Elbwart , Yu Zhang
IPC: H04L1/1812 , H04L1/08 , H04L5/00 , H04W72/0446 , H04W72/23
Abstract: Apparatus and methods for one-shot HARQ-ACK codebook determination are disclosed. The apparatus includes: a receiver that receives a first signal configuring a number of Downlink (DL) Hybrid Automatic Repeat Request (HARQ) processes, and a second signal triggering a HARQ-Acknowledgement (HARQ-ACK) feedback for each of the number of DL HARQ processes; and a transmitter that transmits a HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises a first part including the HARQ-ACK feedback for each of the number of DL HARQ processes. The HARQ-ACK codebook may further comprise a second part and each bit in the second part corresponds to a HARQ process of the number of DL HARQ process with positive acknowledgement reported in the first part for the HARQ process.
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Patent Agency Ranking
公开(公告)号：US20240430909A1
公开(公告)日：2024-12-26
申请号：US18700919
申请日：2021-10-13
Applicant: Lenovo (Beijing) Limited
Inventor： Yu Zhang , Haipeng Lei
IPC: H04W72/232 , H04B7/06
Abstract: Methods and apparatuses are provided for determining at least one TCI state to be used according to listen-before-transmit (LBT) result. Methods comprises: receiving a first downlink control information (DCI) scheduling at least one physical downlink shared channel (PDSCH) reception including a first PDSCH reception from a base station (BS), wherein the first DCI indicates at least two groups of demodulation reference signal (DMRS) ports and at least two transmission configuration indication (TCI) states for the first PDSCH reception; and determine at least one TCI state of the at least two TCI states, wherein the at least one TCI state is associated with at least one sensing beam where listen-before-transmit (LBT) procedures performed by the BS generate a success result.
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公开(公告)号：US20230412320A1
公开(公告)日：2023-12-21
申请号：US18246916
申请日：2020-09-29
Applicant: Lenovo (Beijing) Limited
Inventor： Haipeng Lei , Yu Zhang
IPC: H04L1/1829
CPC classification number: H04L1/1861 , H04L1/1854
Abstract: Embodiments of the present disclosure relate to methods and apparatuses for determining a HARQ-ACK codebook for multi-slot PDSCH transmission. According to some embodiments of the disclosure, a method for wireless communications performed by a UE may include: receiving a first plurality of downlink control information (DCI) formats for scheduling a second plurality of physical downlink shared channel (PDSCH) transmissions on at least one serving cell of the UE; receiving the second plurality of PDSCH transmissions based on the first plurality of DCI formats; generating a HARQ-ACK codebook based on the indicators in the first plurality of DCI formats; and transmitting the HARQ-ACK codebook.
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8.发明公开公开(公告)号：US20230388088A1
公开(公告)日：2023-11-30
申请号：US18248555
申请日：2020-10-15
Applicant: Lenovo (Beijing) Limited
Inventor： Haipeng Lei , Yu Zhang
IPC: H04L5/00 , H04W72/232 , H04W72/0446
CPC classification number: H04L5/0092 , H04W72/232 , H04W72/0446
Abstract: Embodiments of the present disclosure relate to methods and apparatuses for downlink and uplink transmission over an unlicensed spectrum. According to some embodiments of the disclosure, a method for wireless communications may include: determining a transport block (TB) to be transmitted on a plurality of consecutive slots; determining a set of candidate starting positions for transmitting the TB; and performing a channel access procedure for a candidate starting position from the set of candidate starting positions.
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公开(公告)号：US20220231795A1
公开(公告)日：2022-07-21
申请号：US17625664
申请日：2019-07-12
Applicant: LENOVO (BEIJING) LIMITED
Inventor： Haipeng Lei , Alexander Golitschek Edler Von Elbwart , Yu Zhang
Abstract: Apparatus and methods for one-shot HARQ-ACK codebook determination are disclosed. The apparatus includes: a receiver that receives a first signal configuring a number of Downlink (DL) Hybrid Automatic Repeat Request (HARQ) processes, and a second signal triggering a HARQ-Acknowledgement (HARQ-ACK) feedback for each of the number of DL HARQ processes; and a transmitter that transmits a HARQ-ACK codebook, wherein the HARQ-ACK codebook comprises a first part including the HARQ-ACK feedback for each of the number of DL HARQ processes. The HARQ-ACK codebook may further comprise a second part and each bit in the second part corresponds to a HARQ process of the number of DL HARQ process with positive acknowledgement reported in the first part for the HARQ process.
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公开(公告)号：US20220129286A1
公开(公告)日：2022-04-28
申请号：US17431083
申请日：2019-02-15
Applicant: LENOVO (BEIJING) LIMITED
Inventor： Yu Zhang , Haipeng Lei , Alexander Golitschek Edler Von Elbwart
Abstract: Methods and apparatus for contention window size adjustment are described. A method includes: receiving a first group of feedback signals indicating a first state corresponding to data transmitted in a first band used by a carrier, the first group of feedback signals comprising at least one first feedback signal; receiving a second group of feedback signals indicating a second state corresponding to data transmitted in the first band used by the carrier; determining a first scaling factor α for one of the at least one first feedback signal; determining a ratio of the first group of feedback signals to the first group of feedback signals and the second group of feedback signals; and comparing the ratio to a threshold to determine a contention window size (CWS) of the first band, wherein the first scaling factor α substitutes a weight of the one of the at least one first feedback signal in determination of the ratio of the first group of feedback signals to the first group of feedback signals and the second group of feedback signals.
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