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1.
公开(公告)号:US12088420B2
公开(公告)日:2024-09-10
申请号:US17373187
申请日:2021-07-12
发明人: Dong Hyun Park
IPC分类号: H04W72/20 , H04L1/1812 , H04L1/1867 , H04W72/0446 , H04W92/18
CPC分类号: H04L1/1896 , H04L1/1819 , H04W72/0446 , H04W72/20 , H04W92/18
摘要: According to an aspect of the present disclosure, there is provided a method of transmitting feedback information from a user equipment (UE) in a new radio (NR) vehicle-to-everything (V2X) system. Here, the method of transmitting feedback information may include performing, by a first UE and a second UE, a session establishment process based on at least one of unicast and groupcast; exchanging, by the first UE and the second UE, ID information in the session establishment process; and completing, by the first UE and the second UE, the session establishment. Here, when the first UE and the second UE complete the session establishment, a physical layer ID representing a session may be determined.
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公开(公告)号:US12075376B2
公开(公告)日:2024-08-27
申请号:US18326223
申请日:2023-05-31
发明人: Sung Jun Yoon , Dong Hyun Park
IPC分类号: H04W56/00 , H04L1/1607 , H04W72/30
CPC分类号: H04W56/001 , H04L1/1614 , H04W72/30
摘要: Disclosed is a method and apparatus for generating information indicating a synchronization signal (SS) block. A method comprises: determining a frequency resource associated with a wireless device; determining, by a base station and based on the determined frequency resource, whether to add or omit a first bitmap indicating a plurality of groups in which at least one synchronization signal (SS) block is transmitted: generating, based on the determining to add the first bitmap, system information comprising a parameter comprising: the first bitmap; and a second bitmap indicating a position of one or more transmission SS blocks in each of the plurality of groups; and transmitting, based on the position, the one or more transmission SS blocks each comprising a Physical Broadcast Channel (PBCH) and a synchronization signal.
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3.
公开(公告)号:US20240224209A1
公开(公告)日:2024-07-04
申请号:US17909460
申请日:2021-03-08
发明人: Won Seok LEE , Ki Bum KWON
CPC分类号: H04W56/0045 , H04W56/0015 , H04W76/20 , H04W76/30
摘要: The present disclosure relates to an uplink synchronization method and apparatus for a terminal in an inactive state in a wireless communication system. An uplink synchronization method of a terminal in an inactive state in a wireless communication system according to an embodiment of the present disclosure includes: receiving periodic uplink transmission resource configuration information from a base station; starting a time alignment timer (TAT) by receiving a timing advance command (TAC) from the base station; Transitioning to an inactive state by receiving a RRC (Radio Resource Control) release message including a suspend configuration from the base station; In the inactive state, when a predetermined trigger condition is satisfied, performing uplink transmission to the base station based on the periodic uplink transmission resource configuration information, wherein the predetermined trigger condition is the elapsed time since the TAT started. At least one of a time-related condition, a condition related to the time remaining until the TAT expires, a condition related to the expiration of the periodic notification area update timer, or a condition related to reception of a timing advance (TA) update command from the base station and the uplink transmission includes at least one of small data and dummy data; and receiving an additional TAC from the base station and restarting the TAT.
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4.
公开(公告)号:US20240214975A1
公开(公告)日:2024-06-27
申请号:US18584367
申请日:2024-02-22
发明人: Sung Jun YOON , Dong Hyun PARK
IPC分类号: H04W64/00 , G01S5/00 , G01S5/02 , G01S5/10 , H04L1/1607 , H04L1/1812 , H04L5/00 , H04W4/02
CPC分类号: H04W64/003 , G01S5/0036 , G01S5/0205 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04W4/02 , G01S5/10 , H04L1/1607 , H04L1/1812
摘要: An apparatus and method of processing a positioning reference signal are disclosed. In some embodiments, the method includes determining a narrow-band (NB) positioning reference signal (PRS) bitmap indicating a pattern selecting NB PRS subframes, wherein each NB PRS subframe comprises an NB PRS for positioning an NB user equipment (UE), transmitting, to the NB UE, NB PRS configuration information for the NB UE, the NB PRS configuration information comprising the NB PRS bitmap, determining, by a reference cell and based on the NB PRS bitmap, NB PRS subframes of the reference cell, mapping, by the reference cell, a first NB PRS in the NB PRS subframes of the reference cell, and receiving, from the NB UE and in response to the first NB PRS, a reference signal time difference (RSTD) measurement.
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公开(公告)号:US20240187195A1
公开(公告)日:2024-06-06
申请号:US18403528
申请日:2024-01-03
发明人: Dong Hyun PARK
IPC分类号: H04L5/00 , H04B7/0413 , H04L1/1812 , H04W72/23
CPC分类号: H04L5/0055 , H04B7/0413 , H04L1/1812 , H04W72/23
摘要: Provided is a method of performing HARQ by a UE in a wireless communication system that supports carrier aggregation (CA). The method includes: receiving, from an evolved nodeB (eNB), a downlink grant on a first Physical Downlink Control Channel (PDCCH), the downlink grant including an accumulated downlink assignment indicator (A-DAI) field and a total DAI (T-DAI) field; receiving a first PDSCH indicated by the first PDCCH, the first PDSCH being transmitted from the eNB; receiving, from the eNB, an uplink grant on a second PDCCH, the uplink grant indicating a transmission of a Physical Uplink Shared Channel (PUSCH); determining a size of a HARQ-ACK codebook to which a HARQ-ACK with respect to the first PDSCH is to be mapped, based on the A-DAI and the T-DAI; and transmitting, to the eNB, the HARQ-ACK with respect to the first PDSCH on the PUSCH.
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公开(公告)号:US20240154846A1
公开(公告)日:2024-05-09
申请号:US18416138
申请日:2024-01-18
发明人: Sung Jun YOON
CPC分类号: H04L27/2613 , H04L5/0016 , H04L5/0048 , H04L5/0051 , H04B7/0452
摘要: Methods, apparatuses, and systems described herein generally relate to a reference signal generation and mapping. For example, a method comprises determining a first set of antenna ports for a demodulation reference signal (DM-RS) transmission; determining, based on the first set, a frequency index associated with four adjacent resource elements, wherein the four adjacent resource elements correspond to two adjacent symbols in a time axis and to two adjacent subcarriers in a frequency axis; generating, based on a first orthogonal cover code and a second orthogonal cover code, a DM-RS associated with the first set of antenna ports; and transmitting, via a mapping to the four adjacent resource elements, the DM-RS associated with the first set of antenna ports.
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公开(公告)号:US11968643B2
公开(公告)日:2024-04-23
申请号:US17875409
申请日:2022-07-28
发明人: Sung Jun Yoon , Dong Hyun Park
IPC分类号: H04W64/00 , G01S5/00 , G01S5/02 , G01S5/10 , H04L1/1607 , H04L1/1812 , H04L5/00 , H04W4/02
CPC分类号: H04W64/003 , G01S5/0036 , G01S5/0205 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04W4/02 , G01S5/10 , H04L1/1607 , H04L1/1812
摘要: An apparatus and method of processing a positioning reference signal are disclosed. In some embodiments, the method includes determining a narrow-band (NB) positioning reference signal (PRS) bitmap indicating a pattern selecting NB PRS subframes, wherein each NB PRS subframe comprises an NB PRS for positioning an NB user equipment (UE), transmitting, to the NB UE, NB PRS configuration information for the NB UE, the NB PRS configuration information comprising the NB PRS bitmap, determining, by a reference cell and based on the NB PRS bitmap, NB PRS subframes of the reference cell, mapping, by the reference cell, a first NB PRS in the NB PRS subframes of the reference cell, and receiving, from the NB UE and in response to the first NB PRS, a reference signal time difference (RSTD) measurement.
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公开(公告)号:US11902866B2
公开(公告)日:2024-02-13
申请号:US16194218
申请日:2018-11-16
发明人: Ki Bum Kwon
CPC分类号: H04W4/44 , H04L5/001 , H04L5/0032 , H04L5/0091 , H04W4/46 , H04W4/70 , H04W76/27 , H04W80/02
摘要: Provided is a method for determining and performing a packet duplication transmission between wireless devices. The method comprises receiving, from an evolved NodeB (eNB), configuration information associated a packet duplication transmission between wireless devices, wherein the configuration information comprising a packet reliability parameter associated with activation of the packet duplication transmission between wireless devices; determining, by a first wireless device, a data packet to be transmitted to a second wireless device; duplicating, based on determining the data packet satisfies the packet reliability parameter, the data packet to a plurality of data duplicates; mapping the plurality of data duplicates onto different logical channels in a media access channel (MAC) layer; and transmitting, by the first wireless device and via a direct communication to a second wireless device, the plurality of data duplicates mapped onto different logical channels.
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公开(公告)号:US20230328671A1
公开(公告)日:2023-10-12
申请号:US18333960
申请日:2023-06-13
发明人: Sung Jun YOON
CPC分类号: H04W56/0025 , H04W76/14 , H04W56/0015 , H04L5/0048 , H04L27/2613 , H04J3/06
摘要: Exemplary embodiments provide a method and apparatus for transmitting a synchronization signal for Device-to-Device (D2D) communication in a wireless communication system. With respect to a D2D synchronization source to transmit a synchronization signal for D2D communication, the method includes: generating a D2D Synchronization Signal (D2DSS); and transmitting, by a synchronization source, the D2DSS to a D2D reception (Rx) UE, wherein the D2DSS includes a Primary D2D Synchronization Signal (PD2DSS) generated based on information associated with the synchronization source.
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10.
公开(公告)号:US20230327813A1
公开(公告)日:2023-10-12
申请号:US18334006
申请日:2023-06-13
发明人: Dong Hyun PARK
IPC分类号: H04L1/1812 , H04L27/26 , H04L5/14 , H04L5/00 , H04L1/1822 , H04L1/1867 , H04W72/0446 , H04W72/21 , H04W72/23
CPC分类号: H04L1/1812 , H04L27/2601 , H04L5/1469 , H04L5/0048 , H04L1/1822 , H04L1/1887 , H04W72/0446 , H04W72/21 , H04W72/23 , H04W88/02
摘要: Provided is a method of transmitting a Physical Uplink Shared Channel (PUSCH) in a special subframe by a User Equipment (UE). The method includes receiving an Uplink (UL) grant from a base station, the UL grant being included in a downlink time period of Time Division Duplex (TDD) cell, wherein the TDD cell having TDD UL/DL configuration 1, 2 or 6; determining a resource in an Uplink Pilot Time Slot (UpPTS) of a special subframe of the TDD cell to transmit a PUSCH associated with the received UL grant, wherein the special subframe, having subframe number 1 or 6, consists of a Downlink Pilot Time Slot (DwPTS), a guard period (GP), and the UpPTS; transmitting, from the UE, the PUSCH mapped to the resource in the UpPTS; and receiving a Physical Hybrid Automatic Repeat Request Indicator Channel (PHICH) responsive to the PUSCH.
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