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公开(公告)号：US11196529B2
公开(公告)日：2021-12-07
申请号：US16567543
申请日：2019-09-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yafei Wang , Chi Zhang , Ming Wu , Xiaojun Ma , Junchao Li
Abstract: A method includes: configuring, by a network device, M BPs for at least one terminal device, where the M BPs are located on one frequency domain resource; determining, by the network device, first indication information related to X BPs in the M BPs, where the first indication information includes at least one field, each field is used to indicate transmission types in at least one time unit on the X BPs; sending, by the network device, the first indication information to the at least one terminal device, where the at least one terminal device includes a first terminal device; and sending, by the network device, second indication information to the first terminal device, where the second indication information is used to indicate an index relationship between that at least one of N BPs configured for the first terminal device and the at least one field in the first indication information.
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公开(公告)号：US11134497B2
公开(公告)日：2021-09-28
申请号：US16579844
申请日：2019-09-24
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Junchao Li , Javad Abdoli , Hao Tang , Fan Wang , Zhenfei Tang
Abstract: Various embodiments provide a signal transmission method and apparatus, and is applied to a multi-band communications system. Under the method, a terminal reports bandwidth capability information of a first frequency band in a plurality of frequency bands to a radio access network node. An operating band of the terminal includes the first frequency band, the bandwidth capability information of the first frequency band indicates a bandwidth capability of the terminal in the first frequency band, the bandwidth capability in the first frequency band is not less than a first threshold, and the first threshold is determined based on a maximum bandwidth capability of the terminal, the first frequency band, or a subcarrier spacing of the first frequency band. The terminal can send or receive a signal on a resource allocated by the radio access network node based on the bandwidth capability information.
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公开(公告)号：US10979194B2
公开(公告)日：2021-04-13
申请号：US16504024
申请日：2019-07-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junchao Li , Ning Wu , Hao Tang , Xinxian Li , Zhongfeng Li
Abstract: A resource indication method, a user equipment and a network device is disclosed. In an embodiment a method includes receiving, by user equipment, configuration information sent by a network device, wherein the configuration information comprises allocation information of frequency domain resources of a plurality of first system parameters and transmitting, by the user equipment, information corresponding to a physical channel and/or information corresponding to a physical signal on at least one resource element in a time-frequency resource corresponding to a frequency domain resource of at least one of the plurality of first system parameters, wherein the first system parameter comprises a first subcarrier spacing size, a cyclic prefix length, a transmission time interval length, a symbol length, or a symbol quantity.
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公开(公告)号：US20200220683A1
公开(公告)日：2020-07-09
申请号：US16819412
申请日：2020-03-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junchao Li , Hao Tang , Zhenfei Tang
Abstract: This application provides a data communication method, an apparatus, and a non-transitory computer readable storage medium. In one embodiment, the base station sends a master information block comprising first information for determining a first location in frequency domain, sends a first demodulation reference signal usable for demodulating a first data channel that carries a system information block, wherein a first physical resource block index of the first demodulation reference signal is based on the first location, sends the system information block or radio resource control signaling comprising second information for determining a second location in frequency domain, and sends or receives a second demodulation reference signal usable for demodulating a second data channel other than the first data channel, wherein a second physical resource block index of the second demodulation reference signal is based on the second location.
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公开(公告)号：US10674506B2
公开(公告)日：2020-06-02
申请号：US16186219
申请日：2018-11-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Chi Zhang , Xiaojun Ma , Junchao Li , Zhengwei Gong
Abstract: A resource determining method is provided. The method includes: determining a time domain position and a resource unit type of a first time domain resource unit based on first configuration information; determining a time domain position of a second time domain resource unit based on the time domain position of the first time domain resource unit, where the time domain position of the second time domain resource unit is at a time domain position which is different from the time domain position of the first time domain resource unit and is within a preset time period; and receiving second configuration information from a network-side device, and determining a resource unit type of the second time domain resource unit based on the second configuration information. Thus, subframe types of various subframes in D-TDD can be determined.
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Patent Agency Ranking
公开(公告)号：US20200008155A1
公开(公告)日：2020-01-02
申请号：US16568999
申请日：2019-09-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junchao Li , Yafei Wang , Hao Tang , Zhenfei Tang
Abstract: A power control method, including receiving indication information, where the indication information indicates a power control parameter specific to a bandwidth part, and sending uplink information on the bandwidth part by using a transmit power, where the transmit power is based on the power control parameter specific to the bandwidth part and is further based on a common power control parameter of a carrier in which the bandwidth part is disposed.
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公开(公告)号：US11924815B2
公开(公告)日：2024-03-05
申请号：US17172919
申请日：2021-02-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liuliu Ji , Junchao Li , Xiaoyan Bi
IPC: H04W72/04 , H04L5/00 , H04L27/26 , H04W72/0453 , H04W72/23
CPC classification number: H04W72/0453 , H04L5/0094 , H04L27/26025 , H04W72/23
Abstract: A bandwidth resource switching method and apparatus are provided. When a network device sends bandwidth resource indication information to a terminal by using downlink control information, the network device may impose some constraints on uplink transmission mode-related configuration information or SRS-related configuration information on an indicated bandwidth resource, and other indication information carried in the downlink control information, so that no ambiguity occurs when the terminal parses the bandwidth resource indication information. Alternatively, when a side of a terminal receives bandwidth resource indication information sent by a network device by using downlink control information, the terminal parses, in an unambiguous interpretation manner, configuration information on a bandwidth resource indicated by the bandwidth resource indication information in the downlink control information. According to the application, a BWP is smoothly switched to perform uplink transmission, uplink transmission efficiency can be improved, and system robustness can be improved.
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公开(公告)号：US20230053070A1
公开(公告)日：2023-02-16
申请号：US17891927
申请日：2022-08-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junchao Li , Hao Tang , Zhenfei Tang
Abstract: An embodiment of this application provides a downlink control information transmission method and an apparatus. The method includes: receiving first downlink control information DCI in search space of a first carrier bandwidth part BWP, where if a frequency domain resource allocation type of the first BWP is a type 0, an Lf-bit frequency domain resource allocation indication in the first DCI is an Lf-bit bitmap, and bits in the Lf-bit bitmap in descending order are respectively corresponding to resource block groups RBG 0 to RBG (Lf−1) in a second BWP; and for one bit in the Lf-bit bitmap, when a value of the bit is t1, an allocated resource includes one RBG corresponding to the bit.
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公开(公告)号：US11445536B2
公开(公告)日：2022-09-13
申请号：US16890006
申请日：2020-06-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Junchao Li , Hao Tang , Zhenfei Tang
Abstract: An embodiment of this application provides a downlink control information transmission method and an apparatus. The method includes: receiving first downlink control information DCI in search space of a first carrier bandwidth part BWP, where if a frequency domain resource allocation type of the first BWP is a type 0, an Lf-bit frequency domain resource allocation indication in the first DCI is an Lf-bit bitmap, and bits in the Lf-bit bitmap in descending order are respectively corresponding to resource block groups RBG 0 to RBG (Lf−1) in a second BWP; and for one bit in the Lf-bit bitmap, when a value of the bit is t1, an allocated resource includes one RBG corresponding to the bit.
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公开(公告)号：US11252673B2
公开(公告)日：2022-02-15
申请号：US16579612
申请日：2019-09-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Junchao Li , Hao Tang , Liwen Zhang , Wei Chen
Abstract: A communication method, a terminal, and a network device are provided. The method includes: receiving, by a terminal, a downlink reference signal sent by a network device in a first cell, and determining a downlink path loss estimate between the terminal and the first cell based on the downlink reference signal; and sending, by the terminal, an uplink signal in a second cell, where uplink transmit power used by the terminal to send the uplink signal is determined based on the downlink path loss estimate.
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