Patents by Inventor Qiongjie Lin
Qiongjie Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220295401Abstract: Methods and apparatuses for search space set group switching. A method for operating a user equipment includes receiving information for search space set groups and a first physical downlink control channel (PDCCH) that provides a downlink control information (DCI) format that includes a PDCCH monitoring adaptation field of two or more bits. The method further includes determining that a first bit of the PDCCH monitoring adaptation field indicates switching to the search space set group or skipping reception of second PDCCHs and determining that remaining bits of the PDCCH monitoring adaptation field indicate a group index for a search space set group nSSSG or a time duration Tskip. The method further includes receiving the third PDCCHs according to search space sets included in the search space set group nSSSG or skipping the reception of PDCCHs for the time duration Tskip.Type: ApplicationFiled: March 3, 2022Publication date: September 15, 2022Inventors: Qiongjie Lin, Aristides Papasakellariou
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Publication number: 20220295320Abstract: Methods and apparatus for physical downlink control channel (PDCCH) reliability enhancements. A method includes receiving first information for a number of N>1 search space sets. For each of the N search space sets, the first information includes: an index, wherein search space sets are indexed in an ascending order of respective indexes, a periodicity, wherein the periodicity is same for all of the N search space sets, and an indication that the N search space sets are linked for receptions of PDCCHs, wherein the PDCCHs provide identical information. The method further includes determining a number of N PDCCH reception occasions in M?1 slots within a period according to the periodicity. A n-th PDCCH reception occasion from the N PDCCH reception occasions is according to a n-th search space set from the N search space sets. The method further includes receiving N PDCCHs in the N PDCCH reception occasions.Type: ApplicationFiled: March 2, 2022Publication date: September 15, 2022Inventors: Qiongjie Lin, Aristides Papasakellariou, Hongbo Si
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Patent number: 11445456Abstract: A method and apparatus of a user equipment (UE) are provided. The method and apparatus comprise receiving a synchronization signal/physical broadcast channel (SS/PBCH) block that includes configuration information for one or more search space sets and determining scheduling information for a first physical downlink shared channel (PDSCH) reception based on one of: a first downlink control information (DCI) format associated with a first search space set from the one or more search space sets, wherein the first DCI format includes the scheduling information for the first PDSCH reception and for a second PDSCH reception, or a second DCI format associated with a second search space set from the one or more search space sets, wherein the second DCI format includes the scheduling information for the first PDSCH reception. The method and apparatus of the UE further comprise receiving the first PDSCH based on the scheduling information.Type: GrantFiled: June 19, 2020Date of Patent: September 13, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Hongbo Si, Aris Papasakellariou
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Publication number: 20220287063Abstract: Methods and apparatuses for a repeated pattern over multiple slots in a wireless communication system. A method of operating a user equipment includes receiving a configuration for search space sets, determining a combination (X, Y), and determining a bitmap for a search space set from the search space sets based on the configuration. Each bit in the bitmap is associated with a slot within a group of X consecutive slots. A physical downlink control channel (PDCCH) reception occasion in a slot is present if the associated bit for the slot in the bitmap has a value of “1” and is absent if the associated bit for the slot in the bitmap has a value of “0”. Bits with a value of “1” are consecutive in the bitmap. The method further includes receiving PDCCHs in PDCCH reception occasions that are indicated as present according to the bitmap.Type: ApplicationFiled: February 23, 2022Publication date: September 8, 2022Inventors: Qiongjie Lin, Hongbo Si
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Publication number: 20220279518Abstract: A UE includes a receiver configured to receive a first configuration for a first CORESET, a second configuration for a reception of a first CSI-RS, and the first CSI-RS. The first configuration includes a first TCI state. The TCI state for a CORESET indicates a set of quasi co-location properties for a PDCCH reception in the CORESET. A PDCCH includes a DCI format. The second configuration includes a first set of REs and the first TCI state. The UE also includes a processor operably connected to the receiver. The processor is configured to compute a first CQI value, based on the first CSI-RS, for a first PDCCH reception in the first CORESET and at least one CQI value based on the first CQI value. The UE further includes a transmitter operably connected to the processor, the transmitter configured to transmit a channel that includes the at least one CQI value.Type: ApplicationFiled: May 20, 2022Publication date: September 1, 2022Inventors: Qiongjie Lin, Aris Papasakellariou, Hongbo Si
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Publication number: 20220271878Abstract: Methods and apparatus for physical downlink data channel (PDCCH) and reference signal (RS) based paging in a wireless communication system. A method includes receiving: a first configuration for a search space set in common search space (CSS), wherein the search space set is for a downlink control information (DCI) format that includes a tracking RS (TRS) availability indication field, wherein the TRS availability indication field in the DCI format provides a bitmap; and a second configuration for a number of TRS resources sets. The method further includes determining a TRS resources set from the number of TRS resources sets associated with a bit from the bitmap, wherein TRS resources from the TRS resources set are present for a time duration based on an associated bit for the TRS resources set in the bitmap; and receiving TRS resources from the number of TRS resources sets that are present.Type: ApplicationFiled: February 4, 2022Publication date: August 25, 2022Inventor: Qiongjie Lin
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Patent number: 11425648Abstract: A user equipment (UE), a base station (BS), and a method for managing UE operation in C-DRX. The UE includes a transceiver configured to receive configurations for a drx-onDurationTimer, search space sets for reception of a PDCCH, a first set of CSI-RS resources, SS/PBCH blocks, and a PUCCH resources; and the PDCCH that provides a DCI format including a field indicating whether or not to start the drx-onDurationTimer. A processor is configured to determine an indication by the field to not start the drx-onDurationTimer, and determine reception occasions for the first set of CSI-RS resources during the ON duration. The transceiver is configured to receive the first set of CSI-RS resources or the SS/PBCH blocks during at least one of the reception occasions. The processor is also configured to determine a CSI report based on a reception occasion, which can be transmitted using the PUCCH resource during the ON duration.Type: GrantFiled: May 29, 2020Date of Patent: August 23, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Aris Papasakellariou
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Publication number: 20220232536Abstract: A UE includes a transceiver configured to receive an adaptation request (AR) via a DCI format in a PDCCH. The UE further includes a processor configured to configure the transceiver to operate in a first state associated with a reception of a first DCI format in a first search space set in response to an AR reception outcome, and to operate in a second state associated with a reception of a second DCI format in a second search space set. A BS includes a transceiver configured to transmit an AR via a DCI format in a PDCCH. The BS includes a processor configured to configure the transceiver to operate in a first state associated with a transmission of a first DCI format in a first search space set, and to operate in a second state associated with a transmission of a second DCI format in a second search space set.Type: ApplicationFiled: March 30, 2022Publication date: July 21, 2022Inventors: Qiongjie Lin, Hongbo Si, Aris Papasakellariou
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Patent number: 11395283Abstract: A user equipment, a base station, and a method for determining search space sets for PDCCH monitoring. The UE includes a receiver and a processor and is configured to receive a configuration for search space sets. The configuration includes a first group of search space sets, a second group of search space sets, a first group index for the first group of search space sets, and a second group index for the second group of search space sets. The UE is also configured to determine an indication corresponding to either the first group index or the second group index, and to receive, based on the indication, physical downlink control channels (PDCCHs) according to either the first group of search space sets or the second group of search space sets.Type: GrantFiled: March 11, 2020Date of Patent: July 19, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Aris Papasakellariou
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Patent number: 11375518Abstract: A user equipment, a base station, and a method for managing scheduling offsets. The UE is configured to receive a configuration for a set of minimum scheduling offset values for a first cell and receive a physical downlink control channel (PDCCH) of a second cell that is same as or different than the first cell. The UE is also configured to decode a downlink control information (DCI) format that includes a field that indicates a minimum scheduling offset value applicable for a reception of a physical downlink shared channel (PDSCH) on an active DL BWP of the first cell, or for a transmission of a physical uplink shared channel (PUSCH) on an active UL BWP of the first cell. The UE is also configured to determine a delay and apply the minimum scheduling offset value in a second slot of the second cell that is separated from the first slot by the delay.Type: GrantFiled: January 20, 2020Date of Patent: June 28, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Aris Papasakellariou
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Patent number: 11350418Abstract: A UE includes a receiver configured to receive a first configuration for a first CORESET, a second configuration for a reception of a first CSI-RS, and the first CSI-RS. The first configuration includes a first TCI state. The TCI state for a CORESET indicates a set of quasi co-location properties for a PDCCH reception in the CORESET. A PDCCH includes a DCI format. The second configuration includes a first set of REs and the first TCI state. The UE also includes a processor operably connected to the receiver. The processor is configured to compute a first CQI value, based on the first CSI-RS, for a first PDCCH reception in the first CORESET and at least one CQI value based on the first CQI value. The UE further includes a transmitter operably connected to the processor, the transmitter configured to transmit a channel that includes the at least one CQI value.Type: GrantFiled: January 21, 2020Date of Patent: May 31, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Aris Papasakellariou, Hongbo Si
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Publication number: 20220150835Abstract: A method of a user equipment (UE) for power saving is provided. The method comprises receiving, from a serving cell, a set of configurations, receiving a power saving signal (PoSS) from a first downlink channel based on the received set of configurations, acquiring a first part of information for power saving from the PoSS, receiving, based on the received set of configurations, a second downlink channel that is a control channel, and acquiring a second part of information for the power saving from the received second downlink channel.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Inventors: Qiongjie Lin, Hongbo Si
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Patent number: 11330575Abstract: A UE includes a transceiver configured to receive an adaptation request (AR) via a DCI format in a PDCCH. The UE further includes a processor configured to configure the transceiver to operate in a first state associated with a reception of a first DCI format in a first search space set in response to an AR reception outcome, and to operate in a second state associated with a reception of a second DCI format in a second search space set. A BS includes a transceiver configured to transmit an AR via a DCI format in a PDCCH. The BS includes a processor configured to configure the transceiver to operate in a first state associated with a transmission of a first DCI format in a first search space set, and to operate in a second state associated with a transmission of a second DCI format in a second search space set.Type: GrantFiled: July 15, 2019Date of Patent: May 10, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Hongbo Si, Aris Papasakellariou
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Patent number: 11290957Abstract: A method of a base station (BS) in a wireless communication system is provided. The method comprises identifying a first configuration including a first set of resources for a first type of user equipment (UE) and a second configuration including a second set of resources for a second type of UE, generating a first sequence and a second sequence based on (i) the first set of resources and the second set of resources, respectively, and (ii) a physical cell identifier (PCID), generating, using the first sequence, a first signal to be transmitted to the first type of UE in the first set of resources, generating, using the second sequence, a second signal to be transmitted to the second type of UE in the second set of resources, transmitting, to the first type of UE, the first signal, and transmitting, to the second type of UE, the second signal.Type: GrantFiled: October 25, 2018Date of Patent: March 29, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Hongbo Si
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Publication number: 20220086894Abstract: Methods and apparatuses for multi-cell scheduling with reduced control overhead. A method for receiving physical downlink control channels (PDCCHs) includes receiving information for a first group of N1 cells and for a second group of N2 cells, determining a total number of PDCCH receptions in a slot on a scheduling cell based on N1 and on a ratio of N2 over M, and receiving a number of PDCCHs in the slot on the scheduling cell that is not larger than the total number. A PDCCH provides a downlink control information (DCI) format. The DCI format schedules one of: a physical downlink shared channel (PDSCH) reception, or a physical uplink shared channel (PUSCH) transmission, on one cell from the first group of N1 cells, or PDSCH receptions, or PUSCH transmissions, on a number of cells up to a maximum of M cells from the second group of N2 cells.Type: ApplicationFiled: August 18, 2021Publication date: March 17, 2022Inventors: Aris Papasakellariou, Qiongjie Lin
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Publication number: 20220061033Abstract: A user equipment (UE), a base station, and a method for receiving physical downlink control channels (PDCCHs). The UE includes a receiver and a processor and is configured to receive a configuration for one or more search space sets (SSS) for reception of PDCCHs. The UE is configured to determine a PDCCH reception occasion according to the configuration of the one or more search space sets. The PDCCH reception occasion is prior to an ON duration of a discontinuous reception (DRX) cycle after a second DRX cycle. The UE is also configured to determine an indication to either receive the PDCCHs when the PDCCH reception occasion does not overlap with an extended Active Time of the second DRX cycle or to suspend reception of the PDCCHs when the PDCCH reception occasion overlaps with the extended Active Time of the second DRX cycle.Type: ApplicationFiled: November 2, 2021Publication date: February 24, 2022Inventors: Qiongjie Lin, Aris Papasakellariou
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Publication number: 20220045884Abstract: Methods and apparatuses for uplink (UL) channel sounding between bandwidth parts (BWPs). A method for operating a user equipment (UE) includes receiving first information for a set of UL BWPs of a serving cell, wherein the set of UL BWPs includes more than one UL BWP and receiving second information, for each UL BWP from the set of UL BWPs, for sounding reference signal (SRS) resource sets. The method further includes determining, for each UL BWP from the set of UL BWPs, corresponding first SRS resources from the SRS resource sets and transmitting a SRS, in each UL BWP from the set of UL BWPs, using the corresponding first SRS resources.Type: ApplicationFiled: July 19, 2021Publication date: February 10, 2022Inventors: Qiongjie Lin, Aristides Papasakellariou
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Publication number: 20220039151Abstract: A method and apparatus in a wireless communication system supporting a semi-static shared spectrum channel access is provided. The method and apparatus comprises: receiving system information carried by downlink channels; identifying a duration of idle period, a fixed frame period, a number of observation slots, and an index; determining a first phase based on a first time period between a starting instance of the idle period and an ending instance of the at least one observation slot, a second phase based on a second time period between the ending instance of the at least one observation slot and an ending instance of the idle period, and a third phase based on a third time period between the ending instance of the idle period and an ending instance of the fixed frame period; and identifying the downlink channels as an idle state in the at least one observation slot.Type: ApplicationFiled: October 21, 2021Publication date: February 3, 2022Inventors: Yingzhe Li, Hongbo Si, Qiongjie Lin
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Patent number: 11234191Abstract: A method of a user equipment (UE) for power saving is provided. The method comprises receiving, from a serving cell, a set of configurations, receiving a power saving signal (PoSS) from a first downlink channel based on the received set of configurations, acquiring a first part of information for power saving from the PoSS, receiving, based on the received set of configurations, a second downlink channel that is a control channel, and acquiring a second part of information for the power saving from the received second downlink channel.Type: GrantFiled: May 11, 2020Date of Patent: January 25, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Qiongjie Lin, Hongbo Si
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Patent number: 11229050Abstract: A method and apparatus in a wireless communication system supporting a semi-static shared spectrum channel access is provided. The method and apparatus comprises: receiving system information carried by downlink channels; identifying a duration of idle period, a fixed frame period, a number of observation slots, and an index; determining a first phase based on a first time period between a starting instance of the idle period and an ending instance of the at least one observation slot, a second phase based on a second time period between the ending instance of the at least one observation slot and an ending instance of the idle period, and a third phase based on a third time period between the ending instance of the idle period and an ending instance of the fixed frame period; and identifying the downlink channels as an idle state in the at least one observation slot.Type: GrantFiled: March 5, 2020Date of Patent: January 18, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Yingzhe Li, Hongbo Si, Qiongjie Lin