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公开(公告)号:US20210058213A1
公开(公告)日:2021-02-25
申请号:US17094159
申请日:2020-11-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: The present disclosure relates to data transmission methods and apparatus. One example method includes receiving first configuration information, where the first configuration information is used to indicate a first transport block size (TBS), determining a preset TBS set based on the first TBS, where the preset TBS set includes one or more TBSs, and the first TBS is the largest TBS in the TBS set, determining, in the preset TBS set, a second TBS for transmitting first data, and sending the first data based on the second TBS.mmm
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公开(公告)号:US20210022190A1
公开(公告)日:2021-01-21
申请号:US17063362
申请日:2020-10-05
Applicant: Huawei Technologies Co., Ltd.
Abstract: An information processing method and a device are provided. The method includes: receiving, by a terminal device, a random access response grant, where the random access response grant includes a resource allocation field, and when the random access response grant is used for scheduling of a first Msg3, the resource allocation field includes four bits, the resource allocation field performs resource indication in narrowband based on an uplink resource allocation type 0, and the resource allocation field is capable of indicating resource allocation of one of one resource block, two resource blocks, three resource blocks, or six resource blocks in the narrowband; determining, by the terminal device based on the resource allocation field, a resource block allocated to the terminal device; and sending, by the terminal device, the first Msg3 or the second Msg3 to a network device on the allocated resource block.
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公开(公告)号:US20210289463A1
公开(公告)日:2021-09-16
申请号:US17215999
申请日:2021-03-29
Applicant: Huawei Technologies Co., Ltd.
Inventor: Wenping BI , Yue ZHAO , Xinqian XIE , Hong WANG , Zheng YU , Xingqing CHENG
IPC: H04W56/00 , H04W74/08 , H04W24/10 , H04B17/318 , H04L5/00
Abstract: An uplink signal transmission method includes: sending, by a terminal device, an uplink signal to a network device in response to determining that a first variation meets a timing advance (TA) update condition, where the first variation indicates a quality change value of a downlink signal received by the terminal device; receiving, by the terminal device, first information from the network device; and in response to determining that the first information includes TA information, adjusting, by the terminal device, an uplink transmission time based on the TA information.
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公开(公告)号:US20210160932A1
公开(公告)日:2021-05-27
申请号:US17167889
申请日:2021-02-04
Applicant: Huawei Technologies Co., Ltd.
Inventor: Yue ZHAO , Li CHAI , Zhiheng GUO , Xingqing CHENG
Abstract: A random access preamble sequence generation method and user equipment are provided. The method includes the following: when receiving first notification signaling sent by a base station, determining, by UE, to calculate a cyclic shift value by using a first solution; obtaining a first logical root sequence number, and determining a root sequence based on the first logical root sequence number; and generating a random access preamble sequence based on the root sequence and the cyclic shift value, where the first solution is a solution of calculating the cyclic shift value when a Doppler shift of the UE is less than a first preset value and greater than a second preset value, the first preset value is less than twice of a physical random access channel (PRACH) subcarrier spacing, the second preset value is greater than the PRACH subcarrier spacing.
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公开(公告)号:US20210058975A1
公开(公告)日:2021-02-25
申请号:US17093341
申请日:2020-11-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: An information transmission method, a communications device, and a network device are provided. The information transmission method includes: when a communications device is at a coverage enhancement level 0 or a coverage enhancement level 1, or in coverage enhancement mode A, receiving a random access response, wherein the random access response comprises indication information and uplink grant information, the indication information is used to indicate a message 3 is a first message 3 or a second message 3, wherein the uplink grant information comprises first resource information and repetition quantity information; and sending the message 3 based on the indication information, the first resource information, and the repetition quantity information. The method and the device that are provided in embodiments of this application may be applied to a communications system, such as V2X, LTE-V, V2V, an internet of vehicles, MTC, LTE-M, M2M, or an internet of things.
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公开(公告)号:US20210058960A1
公开(公告)日:2021-02-25
申请号:US17094363
申请日:2020-11-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04W72/12
Abstract: An information transmission method, a communications device, and a network device are provided. The information transmission method includes: receiving first downlink control information, wherein the first downlink control information comprises scheduling information used to transmit first data, and the format of the first downlink control information is DCI format 6-0B, the first downlink control information comprises indication information, and the indication information is used to indicate that the first data transmitted by the communications device is a first message 3 or a second message 3; and transmitting the first data based on the scheduling information and the indication information. The method and apparatus may be applied to a communications system such as a V2X communications system, an LTE-V communications system, a V2V communications system, an internet of vehicles communications system, an MTC communications system, an IoT communications system, an LTE-M communications system, or an M2M communications system.
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公开(公告)号:US20200383092A1
公开(公告)日:2020-12-03
申请号:US16990635
申请日:2020-08-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yue ZHAO , Zheng YU , Yongqiang FEI , Fang NAN , Xingqing CHENG
Abstract: A resource allocation method and an apparatus to reduce mutual interference between neighboring cells. The method includes: determining, by a first terminal device based on a physical cell identity PCID of a first cell accessed by the first terminal device and a preset rule, a subcarrier group corresponding to the first terminal device, where the subcarrier group corresponding to the first terminal device includes some subcarriers in a subcarrier set corresponding to the first terminal device. A communications system supports sub-PRB resource allocation.
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公开(公告)号:US20200229265A1
公开(公告)日:2020-07-16
申请号:US16829243
申请日:2020-03-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: Embodiments of this application disclose example data transmission methods and example devices. One example method includes receiving, by a first network device, resource configuration assistance information, where the resource configuration assistance information is used to indicate a communication pattern of user equipment. The first network device can then send dedicated resource configuration information to the user equipment based on the resource configuration assistance information, where the dedicated resource configuration information is used by the user equipment in a radio resource control (RRC) non-connected state to access the first network device, and where the RRC non-connected state is an RRC idle state or an RRC inactive state. The first network device can then perform data transmission with the user equipment by using the dedicated resource configuration information.
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公开(公告)号:US20180167236A1
公开(公告)日:2018-06-14
申请号:US15894379
申请日:2018-02-12
Applicant: Huawei Technologies Co., Ltd.
Inventor: Qiming LI , Jing HAN , Anjian LI , Xizeng DAI , Yue ZHAO , Xingqing CHENG
CPC classification number: H04L25/0202 , H04L25/0204 , H04W76/10 , H04W88/02
Abstract: A channel estimation method, a base station, user equipment (UE), and a system are provided. The method includes: setting up, by a base station, a connection to user equipment UE; and sending, to the UE, notification information indicating that the UE is in a radio remote scenario, where the notification information is used to instruct the UE to perform channel estimation by using a channel estimation algorithm applicable to the radio remote scenario, and the channel estimation algorithm is used to perform channel estimation on a signal that is obtained after downlink signals from multiple radio remote units RRUs are superposed. The UE can perform channel estimation by using the appropriate channel estimation algorithm, to effectively improve accuracy of the channel estimation, thereby effectively improving a downlink data throughput of the UE.
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公开(公告)号:US20210167938A1
公开(公告)日:2021-06-03
申请号:US17172188
申请日:2021-02-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Zheng YU , Wenping BI , Yue ZHAO , Xingqing CHENG
Abstract: Example resource allocation methods and apparatus are described. One example method includes that a terminal device receives downlink control information sent by a network device, where the downlink control information includes a resource allocation field, the resource allocation field includes formula (I)+5 bits. The terminal device determines the first resource indication value, and determines, based on the first resource indication value, a starting resource block allocated in the uplink bandwidth and a length LCRBs of consecutive resource blocks allocated in the uplink bandwidth, where M≤LCRBs≤6, and M is a positive integer greater than 1. The terminal device sends data on resources corresponding to the starting resource block and the length of the consecutive resource blocks. The methods and the devices provided in the embodiments of this application may be used in a communications system, for example, V2X, LTE-V, V2V, the Internet of Vehicles, MTC, LTE-M, M2M, or the Internet of Things.
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