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公开(公告)号：US20240098796A1
公开(公告)日：2024-03-21
申请号：US17768215
申请日：2020-09-29
Inventor： Deshan MIAO , Bin REN , Shaohui SUN
IPC: H04W74/0833 , H04L27/26
CPC classification number: H04W74/0833 , H04L27/26025 , H04L27/26132
Abstract: Disclosed in the present disclosure are channel selection and configuration methods and apparatus, which are used to resist transmission delay offset of different users within a cell and improve the signal-to-noise ratio of a random access channel sending signals, thereby improving a random access channel selection scheme suitable for a satellite communication system. At a terminal side, the channel selection method provided in an embodiment of the present disclosure comprises: determining a current signal transmission condition; and according to the current signal transmission condition and the configuration of a network, selecting the resources and channel format of a random access channel, wherein the random access channel uses a structure in which signal transmission is performed by using a means of repeated transmission by multiple preamble symbols.
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公开(公告)号：US20230180172A1
公开(公告)日：2023-06-08
申请号：US17925325
申请日：2021-04-22
Inventor： Zhenyu ZHANG , Bin REN , Ren DA , Gang LI , Rongyi FANG , Shaohui SUN
CPC classification number: H04W64/00 , G01S5/10 , G01S5/0036
Abstract: The present application discloses a positioning method and device, for improving the positioning accuracy. The positioning method provided in the present application comprises: determining a whole-cycle ambiguity by means of a positioning measurement value provided by a receiving end of a positioning reference signal (PRS), wherein the positioning measurement value comprises a virtual phase measurement value constructed by the receiving end using a carrier phase measurement value, the carrier phase measurement value being obtained by measuring a carrier PRS (C-PRS) by the receiving end, and the PRS comprises the C-PRSs sent by a sending end of the PRS by means of at least two carrier frequencies; and determining a terminal position by means of the whole-cycle ambiguity.
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公开(公告)号：US20220132593A1
公开(公告)日：2022-04-28
申请号：US17430538
申请日：2019-12-19
Inventor： Bin REN , Deshan MIAO , Shaohui SUN , Shaoli KANG
Abstract: Embodiments of the present application relates to a method and device for random access, for use in resolving the problem that no current random access process can satisfy requirements of a satellite communication system. The method of the embodiments of the present application comprises: receiving and obtaining a related parameter in a configuration message, the related parameter comprising common cell delay information; generating a physical random access channel random access preamble (PRACH Preamble) sequence, and determining an uplink sending timing location according to the common cell delay information; and sending the PRACH Preamble sequence on a time-frequency resource corresponding to the uplink sending timing location. A relative transmission delay and a multi-path channel delay from a terminal, to a satellite, and to a base station are compensated according to the determined uplink sending timing location, thereby reducing overheads of a PRACH channel.
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公开(公告)号：US20240007172A1
公开(公告)日：2024-01-04
申请号：US18368896
申请日：2023-09-15
Inventor： Shanzhi CHEN , Shaohui SUN , Qiubin GAO
IPC: H04B7/06 , H04B7/08 , H04W24/10 , H04W72/044 , H04W72/1263
CPC classification number: H04B7/0695 , H04B7/088 , H04W24/10 , H04W72/046 , H04W72/1263
Abstract: Disclosed are beam training methods and devices. A beam training method includes: a transmitting end determining a first mapping relationship between BPL identifiers, CRIs, and transmitting beams; the transmitting end configuring a first reference signal resource for a receiving end, and transmitting configuration information of the first reference signal resource to the receiving end, the configuration information including a first BPL identifier; the transmitting end determining a first transmitting beam; the transmitting end transmitting a reference signal to the receiving end, by using the first transmitting beam within the first reference signal resource, so that the receiving end receives the reference signal on the first reference signal resource.
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5.发明公开公开(公告)号：US20230224023A1
公开(公告)日：2023-07-13
申请号：US17928245
申请日：2021-05-08
Inventor： Shaoli KANG , Deshan MIAO , Hai BI , Shaohui SUN , Yingmin WANG
CPC classification number: H04B7/18515 , H04B7/18517 , H04B7/18539 , H04B7/18571 , H04L5/001
Abstract: A control method and a control device in a heterogeneous three-dimensional hierarchical network, and a communication system are provided. The control method includes: obtaining a coverage mode of a terminal; when the coverage mode is single-layered sub-network coverage, setting a non-ground mobile communication sub-network or a ground mobile communication sub-network corresponding to the single-layered sub-network coverage to be in a standalone operating mode or an intra-layer carrier aggregation mode; and when the coverage mode is multi-layered sub-network coverage, setting the non-ground mobile communication sub-network corresponding to the multi-layered sub-network coverage, or the ground mobile communication sub-network and the non-ground mobile communication sub-network corresponding to the multi-layered sub-network coverage, to be in a cross-layer carrier aggregation mode. The ground mobile communication sub-network and the non-ground mobile communication sub-network use a same or unified radio access technology.
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Patent Agency Ranking
公开(公告)号：US20230083399A1
公开(公告)日：2023-03-16
申请号：US17797713
申请日：2021-01-20
Inventor： Jiaqing WANG , Meiying YANG , Chen LUO , Shaohui SUN
Abstract: Disclosed are a signal transmission method and device, for use in achieving RS signal transmission of UE in an RRC_IDLE or RRC_Inactive mode of an NR system, to improve the receiving performance and the power saving performance of the UE. At a network side, a signal transmission method provided by embodiments of the present application includes determining a reference signal transmission resource configured for a terminal; and sending a reference signal to an inactive terminal in an idle state or an inactive state or a connected state by means of the transmission resource.
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公开(公告)号：US20230056906A1
公开(公告)日：2023-02-23
申请号：US17797533
申请日：2021-01-07
Inventor： Meiying YANG , Jiaqing WANG , Chen LUO , Shaohui SUN
Abstract: Disclosed are a signal transmission method and device. In the present application, the method includes: a base station configuring sending resources for at least two of a first signal, a second signal and a third signal, and sending the at least two signals according to the sending resources for the at least two signals, wherein in the at least two signals, the transceiving of one signal is indicated by at least one of the other signals; the first signal is a signal for at least one of the functions of synchronization, wave beam measurement, wave beam acquisition and RRM; the second signal is a signal for at least one of the functions of synchronization, fine synchronization, wave beam measurement, wave beam acquisition, RRM, CSI measurement and terminal wakeup; and the third signal is a signal for paging.
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公开(公告)号：US20220394522A1
公开(公告)日：2022-12-08
申请号：US17775270
申请日：2020-10-28
Inventor： Zheng ZHAO , Jiaqing WANG , Meiying YANG , Chen LUO , Shaohui SUN
Abstract: Provided in the embodiments of the present invention are an information reporting method, a terminal and a base station. The method comprises: receiving first indication information that is configured for a terminal by a base station and is used for reporting channel state information (CSI) in an energy-saving state; receiving first downlink control information (DCI) that is sent by the base station and is scrambled by a power saving radio network temporary identity (PS-RNTI); and performing CSI measurement according to the first indication information and/or the first DCI, and reporting a CSI measurement result to the base station. Therefore, by means of the present invention, a base station can obtain a CSI measurement result in a timely manner and perform effective scheduling, such that a terminal executes CSI reporting in an energy-saving state under the instruction of the base station, thereby improving the efficiency of CSI reporting.
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公开(公告)号：US20220386263A1
公开(公告)日：2022-12-01
申请号：US17621465
申请日：2020-03-30
Inventor： Deshan MIAO , Yanping XING , Yali ZHAO , Shaohui SUN
Abstract: Disclosed are a transmission delay indication method and device. In the embodiments of the present disclosure, a network device determines a common transmission delay of at least one cell, and sends the common transmission delay to a terminal in the at least one cell. The common transmission delay is used for the terminal in the at least one cell to determine a transmission timing sequence with a network side.
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公开(公告)号：US20220209854A1
公开(公告)日：2022-06-30
申请号：US17617572
申请日：2020-03-23
Inventor： Shaoli KANG , Yingmin WANG , Shaohui SUN , Deshan MIAO
IPC: H04B7/185
Abstract: The present application provides a method and a device for determining sending parameters of a terminal. The method comprises: firstly determining a pre-estimated uplink signal-to-noise ratio of at least one reference position in a cell range corresponding to a satellite beam, determining, according to the pre-estimated uplink signal-to-noise ratio, an EIRP value corresponding to the preset uplink carrier bandwidth of the corresponding reference position, determining, according to the EIRP value corresponding to the preset uplink carrier bandwidth, a maximum rate supported by the preset uplink carrier bandwidth, determining, according to the maximum rate supported by the preset uplink carrier bandwidth, a maximum uplink rate supported by the terminal, and determining uplink sending parameters of the terminal according to an uplink rate which is inputted by the user, is not greater than the maximum uplink rate supported by the terminal and is to be supported by the terminal. The method can quickly and reasonably determine uplink sending parameters of a terminal, so that a control device in a satellite mobile communication system allocates a relevant resource to the terminal according to the obtained uplink sending parameters of the terminal, thereby guaranteeing reasonable use of system resources.
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