公开(公告)号：US20190223166A1

公开(公告)日：2019-07-18

申请号：US16365342

申请日：2019-03-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Bingyu Qu

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04B7/06 ,  H04L5/00 ,  H04W52/02 ,  H04W72/046 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/12 ,  Y02D70/122 ,  Y02D70/126

Abstract: A method may include: notifying, by a base station, user equipment (UE) of at least one signal resource set, where each signal resource set corresponds to at least one signal resource, and different public signal resources in a same signal resource set have same configuration information; and sending, by the base station, a signal to the UE based on configuration information of a signal resource in the at least one signal resource set.

公开(公告)号：US20190181930A1

公开(公告)日：2019-06-13

申请号：US16266735

申请日：2019-02-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu

IPC: H04B7/0456 ,  H04B7/06

CPC classification number: H04B7/0486 ,  H04B7/04 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04B7/065

Abstract: This application provides a channel state information (CSI) sending method, an apparatus, and a system. In this solution, a terminal device feeds back a first rank used for a common channel and a first precoding matrix indicator, and feeds back a second rank used for a traffic channel and a second precoding matrix indicator to a base station. The first precoding matrix indicator is used to indicate a first precoding matrix in a first precoding matrix set. The second precoding matrix indicator is used to indicate a second precoding matrix in a second precoding matrix set. The first precoding matrix set is different from the second precoding matrix set. Different precoding matrix sets are used on the common channel and the traffic channel, to obtain channel state information, thereby reducing bits required for feedback while satisfying a system requirement.

公开(公告)号：US20190124537A1

公开(公告)日：2019-04-25

申请号：US16228118

申请日：2018-12-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Ruiqi Zhang ,  Jianqin Liu

IPC: H04W24/10 ,  H04L5/00 ,  H04B7/0456 ,  H04B7/0417

Abstract: The present disclosure describes information reporting methods and related apparatuses used to control channel state information reporting between network devices. One example method includes receiving, by a second network device, control information sent by a first network device. The control information can include a trigger signal and a channel state information type, and the trigger signal can be used to trigger the second network device to report target channel state information to the first network device. The second network device determines the target channel state information based on the channel state information type, and then reports the target channel state information to the first network device based on the trigger signal and the channel state information type.

公开(公告)号：US20190123874A1

公开(公告)日：2019-04-25

申请号：US16230791

申请日：2018-12-21

Applicant: Huawei Technologies Co.,Ltd.

Inventor： Jianqin Liu

IPC: H04L5/00 ,  H04W56/00 ,  H04L27/26

Abstract: A method includes: generating a reference signal sequence based on a first m-sequence and a second m-sequence, where the reference signal sequence is a gold sequence, a cyclic shift value of the first m-sequence is determined based on a physical cell identifier and first timing information, and for a same physical cell identifier, a difference between two cyclic shift values of the first m-sequence that are separately determined based on the physical cell identifier and any two pieces of adjacent first timing information is L1, where L1 is a positive integer, and the first timing information includes a synchronization signal block time index or a first part of the synchronization signal block time index; and after modulating the generated reference signal sequence, mapping a modulated reference signal sequence to N subcarriers to obtain a reference signal, where N is a positive integer greater than or equal to 1.

公开(公告)号：US10271323B2

公开(公告)日：2019-04-23

申请号：US15599260

申请日：2017-05-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Kunpeng Liu ,  Qiang Wu ,  Jianghua Liu

IPC: H04W72/04 ,  H04L5/00

Abstract: In a system and method of control channel transmission in the communications field, REs, except those used for transmitting a DMRS, are grouped in each physical resource block pair of L physical resource block pairs. The L physical resource block pairs are determined to be used to transmit a control channel into N eREGs. The number of valid REs are calculated except other overheads in each eREG of the N eREGs. Each of the eCCEs are mapped onto M eREGs according to the number of valid REs included in each eREG of the N eREGs of each physical resource block pair. The eCCE is sent in the REs included in the eREG.

公开(公告)号：US20190081683A1

公开(公告)日：2019-03-14

申请号：US16188897

申请日：2018-11-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Ruiqi Zhang

IPC: H04B7/06 ,  H04B17/309 ,  H04B7/0456 ,  H04B17/373 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04B7/0626 ,  H04B7/0456 ,  H04B7/0473 ,  H04B7/0486 ,  H04B7/063 ,  H04B7/0639 ,  H04B17/309 ,  H04B17/373 ,  H04L1/0026 ,  H04L1/06 ,  H04L5/0057

Abstract: Embodiments provide a channel state information reporting method, including: determining, by a terminal, R first precoding matrix indicators PMIs of M first reference signal resources, and determining a channel quality indicator CQI based on the R first PMIs, where M and R are integers greater than or equal to 1; and reporting, by the terminal, channel state information, where the channel state information includes the R first PMIs and N CQIs.

公开(公告)号：US20180191423A1

公开(公告)日：2018-07-05

申请号：US15909732

申请日：2018-03-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Bingyu Qu ,  Jianqin Liu ,  Kunpeng Liu ,  Yongxing Zhou

IPC: H04B7/12 ,  H04B7/06 ,  H04B7/26 ,  H04L27/26

CPC classification number: H04B7/12 ,  H04B7/0684 ,  H04B7/26 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/2614 ,  H04L27/2621 ,  H04L27/2636 ,  H04L27/3411

Abstract: A signal sending method includes: mapping, by a sending device, a first sequence onto M even-numbered subcarriers in 2M subcarriers, and mapping a second sequence onto M odd-numbered subcarriers in the 2M subcarriers, where the first sequence is one of a third sequence and a fourth sequence, the second sequence is the other of the third sequence and the fourth sequence, the 2M subcarriers are subcarriers on a same time domain symbol, and for elements of a second time domain sequence corresponding to the fourth sequence and a first time domain sequence corresponding to the third sequence at a same moment, when a complex factor is taken out, one of the first time domain sequence and the second time domain sequence is an in-phase component, and the other is a quadrature component; and transforming sequences mapped onto the 2M subcarriers to a time domain to generate transmit signals, and then sending the transmit signals.

公开(公告)号：US20170346615A1

公开(公告)日：2017-11-30

申请号：US15679951

申请日：2017-08-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/02

Abstract: A communications apparatus and an uplink reference signal communication method. User equipment (UE) transmits an uplink reference signal of the UE according to reference signal bandwidth configuration information for the UE, reference signal frequency hopping interval information for the UE, and a frequency domain position parameter. Because the reference signal frequency hopping interval information for the UE is added as a parameter, further sampling is performed when frequency hopping of the uplink reference signal is performed. Therefore, a quantity of measurement times is reduced, and efficiency of channel quality measurement is improved.

公开(公告)号：US20170264390A1

公开(公告)日：2017-09-14

申请号：US15607232

申请日：2017-05-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Qiang Wu ,  Yongxing Zhou

IPC: H04L1/00 ,  H04W24/10

CPC classification number: H04L1/0001 ,  H04B7/0632 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/20 ,  H04W16/28 ,  H04W24/10 ,  H04W72/085

Abstract: According to a resource configuration method, user equipment, and a base station that are provided in embodiments of the present invention and relate to the communications field, reference signals used for measurement and overheads of corresponding measurement and feedback are reduced. A specific solution is as follows: A base station sends M reference signals to UE in N time units in a time unit set, where the reference signal is used by the UE to perform channel quality measurement, and each reference signal in the M reference signals is corresponding to one piece of precoding matrix information; receives channel quality indication information sent by the UE.

公开(公告)号：US09756625B2

公开(公告)日：2017-09-05

申请号：US14611837

申请日：2015-02-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng Liu ,  Chi Gao ,  Jianghua Liu ,  Jianqin Liu

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0053 ,  H04W72/04

Abstract: This application provides an enhanced physical downlink control channel transmission method and apparatus. The method includes: in a physical resource block set, separately arranging first resource groups in each physical resource block pair PRB pair, where the first resource groups are resource element groups eREGs or REGs, and the physical resource block set includes at least one of the physical resource block pairs; numbering second resource groups according to a correspondence between the first resource groups and the second resource groups in the physical resource block set, where the second resource groups are control channel element eCCE groups or control channel candidates; determining numbers of the second resource groups for transmitting an E-PDCCH; and mapping, according to the determined numbers, the E-PDCCH to the corresponding first resource groups for transmission. The technical solution of this application resolves an E-PDCCH transmission problem.