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11.发明公开公开(公告)号：US20240014941A1
公开(公告)日：2024-01-11
申请号：US18219177
申请日：2023-07-07
发明人： Wen Tang , Gilles Charbit , Yao-Hua Cai
IPC分类号： H04L1/1812 , H04W72/232 , H04L1/1867
CPC分类号： H04L1/1812 , H04W72/232 , H04L1/1887
摘要： Various examples and schemes pertaining to enabling or disabling hybrid automatic repeat request (HARQ) feedback for multi-transport block (multi-TB) in an Internet-of-Things (IoT) non-terrestrial network (NTN) are described. A user equipment (UE) receives a configuration (e.g., from a network). Then, the UE applies the configuration to disable or enable a HARQ feedback regarding multiple TBs.
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12.发明公开公开(公告)号：US20230379131A1
公开(公告)日：2023-11-23
申请号：US18030769
申请日：2021-10-08
IPC分类号： H04L5/16 , H04W72/0446 , H04L5/00
CPC分类号： H04L5/16 , H04W72/0446 , H04L5/0048
摘要： Solutions pertaining to enhanced support for transmit-receive (Tx-Rx) gap in non-terrestrial network (NTN) communications are proposed. An apparatus implemented in a UE receives from a non-terrestrial (NT) network node of a network an uplink (UL) grant or a configuration that schedules an UL transmission (Tx). The apparatus performs the UL transmission to the NT network node within a transmit-receive (Tx-Rx) transition gap during which no downlink (DL) Tx from the NT network node is expected. The Tx-Rx transition gap includes an UL Tx duration, a pre-UL Tx gap (Gap_start) before a starting time of the UL Tx duration (t_start), and a post-UL Tx gap (Gap_end) after an ending time of the UL Tx duration (t_end). A starting timing of the Tx-Rx transition gap can be expressed as: t_start−timing advance (TA)−Gap_start. An ending time of the Tx-Rx transition gap can be expressed as: t_end−TA+Gap_end.
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公开(公告)号：US20230056527A1
公开(公告)日：2023-02-23
申请号：US17796541
申请日：2021-02-05
摘要： Various solutions for physical random access channel (PRACH) timing advance operation and PRACH configurations with respect to user equipment and network apparatus are described. An apparatus may determine a propagation delay between the apparatus and a network node. The apparatus may determine a pre-compensation timing margin. The apparatus may perform a timing advance pre-compensation according to the propagation delay and the pre-compensation timing margin. The apparatus may transmit an uplink signal by applying the timing advance pre-compensation.
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14.发明申请公开(公告)号：US20210120590A1
公开(公告)日：2021-04-22
申请号：US17012032
申请日：2020-09-03
发明人： Abdelkader Medles , Gilles Charbit
摘要： Various solutions for random access channel (RACH) preamble design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus are described. An apparatus may initiate a RACH procedure. The apparatus may determine a fractional frequency offset pattern or a cover code across groups of preamble sequences. The apparatus may generate a RACH preamble signal according to at least one of the fractional frequency offset pattern and the cover code. The apparatus may transmit the RACH preamble signal to a network node.
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15.发明授权公开(公告)号：US12048024B2
公开(公告)日：2024-07-23
申请号：US17939882
申请日：2022-09-07
发明人： Abdelkader Medles , Gilles Charbit
IPC分类号： H04W74/0833 , H04L27/26
CPC分类号： H04W74/0833 , H04L27/2607 , H04L27/2636 , H04L27/266
摘要： Various solutions for random access channel (RACH) preamble design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus are described. An apparatus may initiate a RACH procedure. The apparatus may determine a fractional frequency offset pattern or a cover code across groups of preamble sequences. The apparatus may generate a RACH preamble signal according to at least one of the fractional frequency offset pattern and the cover code. The apparatus may transmit the RACH preamble signal to a network node.
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公开(公告)号：US20240188032A1
公开(公告)日：2024-06-06
申请号：US18284844
申请日：2022-05-06
发明人： Abdelkader Medles , Gilles Charbit
CPC分类号： H04W64/006 , H04W56/0045 , H04W84/06
摘要： Various solutions for timing and frequency compensation in non-terrestrial network (NTN) communications are proposed. An apparatus implemented in a user equipment (UE) obtains a carrier frequency of an NTN. The apparatus generates an up-conversion signal by upconverting a baseband signal according to the carrier frequency. Then, the apparatus further obtains a pre-compensation frequency value. The apparatus performs an uplink (UL) frequency pre-compensation through adjusting a phase of the up-conversion signal according to the pre-compensation frequency value.
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17.发明公开公开(公告)号：US20240155527A1
公开(公告)日：2024-05-09
申请号：US18283448
申请日：2022-01-30
发明人： Abdelkader Medles , Gilles Charbit
IPC分类号： H04W56/00 , H04W72/1273 , H04W72/231 , H04W84/06
CPC分类号： H04W56/0045 , H04W72/1273 , H04W72/231 , H04W84/06
摘要： Various solutions for synchronization and feeder link delay drift in non-terrestrial network (NTN) communications are described. An apparatus (e.g., a UE) receives from a network information of a common timing advance (TA), a common TA drift rate, and a common TA drift rate variation at a reference time. The apparatus determines a TA delay based on the information. The apparatus then performs NTN communications with the network with the TA delay accounted for.
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18.发明授权公开(公告)号：US11751250B2
公开(公告)日：2023-09-05
申请号：US17012032
申请日：2020-09-03
发明人： Abdelkader Medles , Gilles Charbit
CPC分类号： H04W74/0833 , H04L27/266 , H04L27/2607 , H04L27/2636
摘要： Various solutions for random access channel (RACH) preamble design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus are described. An apparatus may initiate a RACH procedure. The apparatus may determine a fractional frequency offset pattern or a cover code across groups of preamble sequences. The apparatus may generate a RACH preamble signal according to at least one of the fractional frequency offset pattern and the cover code. The apparatus may transmit the RACH preamble signal to a network node.
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19.发明公开公开(公告)号：US20230189179A1
公开(公告)日：2023-06-15
申请号：US17924688
申请日：2021-05-06
发明人： Mehmet Kunt , Abdelkader Medles , Gilles Charbit
CPC分类号： H04W56/004 , H04W74/0833 , H04W84/06
摘要： A communication apparatus includes a transceiver and a processor. The transceiver is configured to transmit and receive wireless signal. The processor is coupled to the transceiver and configured to perform operations comprising: establishing, via the transceiver, a wireless connection with a network node of a non-terrestrial network (NTN); and transmitting, via the transceiver, a timing advance (TA) report to the network node. The processor is configured to perform auto-compensation of time delays in signaling and a TA value is indicated in the TA report.
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20.发明公开公开(公告)号：US20230171724A1
公开(公告)日：2023-06-01
申请号：US17922113
申请日：2021-04-28
发明人： Abdelkader Medles , Mehmet Kunt , Gilles Charbit , Pradeep Jose
CPC分类号： H04W56/004 , H04B7/18513 , H04W56/0015 , H04W76/27
摘要： Various solutions for system information design for synchronization in non-terrestrial network (NTN) communications are described. An apparatus (e.g., a UE) receives synchronization information from a wireless network. Using the synchronization information, the apparatus maintains synchronization in performing NTN communications with the wireless network.
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