公开(公告)号：US20200169947A1

公开(公告)日：2020-05-28

申请号：US16775409

申请日：2020-01-29

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhanyang REN ,  Zhenyu LI ,  Wurong ZHANG ,  Jinxia HAN

IPC: H04W48/12 ,  H04W72/04

Abstract: Embodiments of this application provide a communication method and a communications apparatus. An example method includes: sending an ePDCCH to a terminal, where the ePDCCH carries scheduling information of a SIB; and sending a PDSCH to the terminal based on the scheduling information of the SIB, where the PDSCH carries the SIB.

公开(公告)号：US20180042006A1

公开(公告)日：2018-02-08

申请号：US15788052

申请日：2017-10-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wurong ZHANG ,  Rong ZHOU

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0426 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0066 ,  H04W52/146 ,  H04W52/367 ,  H04W72/1247

Abstract: Embodiments of the present invention disclose a method for resource allocation and a base station, used for allocating resource blocks by the base station. The method according to the embodiments of the present invention includes: a base station determine a user equipment UE to which a current allocated resource block is allocated; if the index number of any resource block among the allocated resource blocks of the UE falls within a preset first index number range, judging whether the number of the allocated resource blocks of the UE is less than the preset first parameter value.

公开(公告)号：US20200344673A1

公开(公告)日：2020-10-29

申请号：US16925709

申请日：2020-07-10

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu LI ,  Jinxia HAN ,  Wurong ZHANG ,  Yang NAN

IPC: H04W48/12 ,  H04L1/18 ,  H04W72/04 ,  H04W16/14

Abstract: Embodiments of the present invention relate to the field of communications technologies and provide a method for transmitting system information, an apparatus, and a system, to reduce a delay in obtaining correct system information by a terminal device. One method includes: generating a system information block SIB, and sending the SIB in N time units of a SIB period, wherein a first time unit of the N time units includes a redundancy version number of the SIB that is set to 0, the SIB period comprises T time unit groups, and the T time unit groups comprise TP SIB candidate sending time unit groups, wherein TP≤T , each of the T time unit groups comprises A time units for a clear channel assessment (CCA), and each of the TP SIB candidate sending time unit groups comprises r SIB candidate sending time units, and wherein N is a total quantity of SIB candidate sending time units comprised in one or more of the TP SIB candidate sending time unit groups that the CCA is successful, and N≤TP×r.

公开(公告)号：US20190306818A1

公开(公告)日：2019-10-03

申请号：US16444859

申请日：2019-06-18

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kun YANG ,  Ronghui WEN ,  Guangwei YU ,  Wurong ZHANG

IPC: H04W56/00 ,  H04L27/26

Abstract: Embodiments of this application provide a synchronization signal sending method and apparatus. The method includes: obtaining an initial synchronization sequence, where a spectrum width corresponding to the initial synchronization sequence is greater than a bandwidth of a synchronization channel and is less than a sum of the bandwidth of the synchronization channel and a system protection bandwidth; dividing the initial synchronization sequence into N sub-synchronization sequences; carrying the N sub-synchronization sequences on N time-domain symbols; and sending the N time-domain symbols to a receiving apparatus. According to the synchronization signal sending method provided in the embodiments of this application, a bandwidth loss of a synchronization signal is reduced, and utilization and synchronization performance of a system synchronization bandwidth are improved.

公开(公告)号：US20180343678A1

公开(公告)日：2018-11-29

申请号：US16052174

申请日：2018-08-01

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Tao ZHANG ,  Wurong ZHANG ,  Guangwei YU ,  Feng YU

IPC: H04W74/08 ,  H04W16/14 ,  H04W76/38 ,  H04W74/00 ,  H04L5/00

Abstract: Embodiments of the present application provide a data transmission method, and the method is used for communication between UE and a base station on an unlicensed spectrum. The method includes: sending, by the UE, a data packet to the base station and starting a timer during a current COD of the base station; determining a first end moment of the current COD; pausing the timer at the first end moment; determining a second end moment of an LP in a next COD of the base station; resuming the timer at the second end moment; and receiving, before the resumed timer expires, a response message from the base station. In the embodiments of the present application, the UE suspends the timer at the end moment of the previous COD and resumes the timer at the end moment of the LP of the next COD.

公开(公告)号：US20210153258A1

公开(公告)日：2021-05-20

申请号：US17129354

申请日：2020-12-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jinxia HAN ,  Zhenyu LI ,  Zheng LI ,  Yang NAN ,  Wurong ZHANG

IPC: H04W74/08 ,  H04W76/27 ,  H04W56/00 ,  H04W72/00 ,  H04W72/04

Abstract: Embodiments of this application disclose receiving, by a base station, a random access request message; sending a random access response message based on the preset frame structure; receiving an RRC connection request message based on the preset frame structure; and sending a contention resolution message based on the preset frame structure, to complete random access of a terminal, where the preset frame structure includes a first time-frequency resource segment and a second time-frequency resource segment; the first time-frequency resource segment includes a time-frequency resource used to send a synchronization signal and a PBCH, and further includes an idle time-frequency resource and/or an uplink time-frequency resource used to send uplink information; the second time-frequency resource segment includes an integer quantity of data frames with same duration; and duration of the first time-frequency resource segment is equal to duration of any data frame.

公开(公告)号：US20200252904A1

公开(公告)日：2020-08-06

申请号：US16856443

申请日：2020-04-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenyu LI ,  Jinxia HAN ,  Yang NAN ,  Wurong ZHANG

IPC: H04W68/02 ,  H04W74/08 ,  H04W72/12

Abstract: A message transmission method and apparatus are provided. The method includes: determining, by a base station in a first sending cycle, a first time unit for sending a first message, where the first sending cycle includes one of the following cycles: a paging cycle or a broadcast cycle, the first message includes one of the following messages: a paging message or a broadcast message, and the first time unit includes one of the following time units: one or more subframes, or one or more slots. When determining, before a start location of the first time unit, that a CCA fails, determining a second time unit(s) for sending the first message; and sending the first message to a terminal device in one or more second time units for sending the first message that are after the first time unit for sending the first message.

公开(公告)号：US20200045680A1

公开(公告)日：2020-02-06

申请号：US16600451

申请日：2019-10-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhanyang REN ,  Jinxia HAN ,  Wurong ZHANG ,  Zhenyu LI

IPC: H04W72/04

Abstract: A communication method and an apparatus are provided, where the method includes: determining, by a base station, a pre-configured value; and sending, by the base station, a downlink subframe in a first subframe, where the downlink subframe carries a control format indicator and a physical downlink control channel, the control format indicator is used to indicate a quantity of symbols occupied by the physical downlink control channel, and the base station determines a value of the control format indicator based on the pre-configured value or the quantity of symbols occupied by the physical downlink control channel that needs to be sent in the downlink subframe. In this case, in a WCE scenario, PCFICH coverage enhancement may not be performed any longer, and therefore resource consumption is reduced and impact on PDCCH performance is avoided.

公开(公告)号：US20200163056A1

公开(公告)日：2020-05-21

申请号：US16751770

申请日：2020-01-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhenyu LI ,  Wurong ZHANG ,  Yang NAN

IPC: H04W72/04

Abstract: Embodiments of this application provide an anchor channel transmission method and apparatus, and a communications apparatus. According to the method, an anchor channel occupies a lowest frequency or a highest frequency of a system bandwidth, and power boosting is performed on at least the anchor channel. According to technical solutions provided in the embodiments of this application, the anchor channel may occupy the lowest frequency or the highest frequency of the system bandwidth, other anchor channels are adjacent to the anchor channel, and anchor channels in the other anchor channels are adjacent to each other, so that when power boosting is performed on one or more anchor channels, a smallest quantity of RBs lose powers.

公开(公告)号：US20200100093A1

公开(公告)日：2020-03-26

申请号：US16697875

申请日：2019-11-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhanyang REN ,  Wurong ZHANG ,  Zhenyu LI ,  Jinxia HAN

IPC: H04W8/00 ,  H04W16/14 ,  H04W74/08

Abstract: Embodiments of this application provide methods for detecting or sending a discovery signal, associated base station, and associated user equipment. A method includes: performing, by a base station, first carrier sense on first R subframes of one radio frame in a time sequence in a first discovery signal measurement timing (DMTC) window; and if the first carrier sense succeeds, sending, by the base station, a discovery signal in M consecutive subframes, where M is greater than or equal to 2, and the first subframe of the M consecutive subframes is located in the radio frame in the first DMTC window. The embodiments of this application are used to support enhanced discovery signal transmission by using a new DMTC, so that to implement accessing UE in a weak coverage scenario, thereby ensuring cell coverage performance.