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51. 发明公开

EP3832933A1 CHANNEL STATE INFORMATION REPORTING METHOD AND APPARATUS 有权
公开(公告)号：EP3832933A1
公开(公告)日：2021-06-09
申请号：EP18929752.6
申请日：2018-08-10
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Xueru , ZHANG, Ruiqi , LIU, Kunpeng , LIU, Xianda , ZHOU, Yongxing
IPC分类号： H04L5/00 , H04L5/14
摘要： This application provides a channel state information reporting method and apparatus. The method includes: A terminal device receives M pieces of downlink control information, where first downlink control information in the M pieces of downlink control information indicates a first channel state information configuration, the first channel state information configuration is associated with a first channel state information interference measurement CSI-IM resource group, and the first CSI-IM resource group includes N 1 CSI-IM resources, where M and N 1 are positive integers, and N 1 is greater than 1; and the terminal device measures a target CSI-IM resource, and reports channel state information, where the target CSI-IM resource is determined by the terminal device from the N 1 CSI-IM resources based on M, and a quantity of target CSI-IM resources is less than N 1 . According to a channel state information reporting method and apparatus in the embodiments of this application, dynamic information exchange can be avoided, and accuracy of a channel state information measurement result can be improved. The method provided in the embodiments should be used in a communications system, for example, V2X, LTE-V, V2V, internet of vehicles, MTC, loT, M2M, and internet of things.

52. 发明公开

EP3737009A1 METHOD FOR REPORTING PRECODING MATRIX INDEX, COMMUNICATION DEVICE AND MEDIUM 审中-公开
公开(公告)号：EP3737009A1
公开(公告)日：2020-11-11
申请号：EP18903023.2
申请日：2018-01-29
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： LI, Xueru , ZHANG, Ruiqi
IPC分类号： H04L1/00 , H04B7/04
摘要： This application discloses a precoding matrix index reporting method, a communications apparatus, and a medium. The method includes: determining, by a first communications apparatus, an RI and a PMI, where the PMI is used to determine R precoding matrices W 1 , ..., W R , an r th precoding matrix W r in the R precoding matrices satisfies W r =W 1 ×W 2,r ; an l th row of W 2,r is obtained by performing DFT transform on an l th row of a matrix V 2,r , and R is indicated by the RI; the PMI includes first indication information and second indication information, the first indication information includes location index information, the location index information is used to indicate K m,r element locations aa on an m th row of V 2,r , and the second indication information is used to indicate K m,r complex coefficients cc at the element locations bb on the m th row of V 2,r ; and V 2,r is determined based on the K m,r element locations and the K m,r complex coefficients cc; and sending, by the first communications apparatus, the RI and the PMI. Feedback overheads of the PMI can be reduced by implementing this application.

53. 发明公开

EP3629504A1 METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION, ACCESS NETWORK DEVICE AND TERMINAL DEVICE 审中-公开
公开(公告)号：EP3629504A1
公开(公告)日：2020-04-01
申请号：EP18818810.6
申请日：2018-05-31
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Di , ZHANG, Ruiqi , LI, Xueru
IPC分类号： H04L1/06
摘要： This application provides a channel state information transmission method, an access network device, and a terminal device. The method includes: receiving, by an access network device, channel state information CSI reported by a terminal device, where the CSI includes a first precoding matrix indication PMI and a second PMI, and determining, by the access network device, a precoding matrix W based on the first PMI, the second PMI, and a preset codebook, where W meets W = W 1 × W 2 , W 1 corresponds to the first PMI, W 2 corresponds to the second PMI, the second PMI indicates some column vectors of W 2 and an amplitude association relationship between the some column vectors of W 2 and remaining column vectors of W 2 , and a quantity of columns of W is greater than 2. According to the method, CSI feedback overheads of the terminal device are effectively reduced.

54. 发明公开

EP3618323A1 DATA TRANSMISSION METHOD AND APPARATUS 有权
公开(公告)号：EP3618323A1
公开(公告)日：2020-03-04
申请号：EP18795237.9
申请日：2018-05-03
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Xueru , LIU, Kunpeng
IPC分类号： H04L1/00
摘要： Embodiments of this application provide a data transmission method and apparatus. The method includes: sending, by a network device, first information by using first signaling, where the first information is used to indicate a quantity N of transmitted precoding matrix indicators TPMIs in second signaling; and sending, by the network device, resource scheduling information and the N TPMIs by using the second signaling, where the resource scheduling information is used to indicate n scheduled physical resource blocks PRBs of M PRBs included in a communication bandwidth, all or some of the N TPMIs is used to indicate a precoding matrix of the n PRBs, and the i th TPMI of the N TPMIs is used to indicate a precoding matrix of x i PRBs of the M PRBs, x 1 +...+ x N ≤ M, and n is less than or equal to M. The data transmission method and apparatus in the embodiments of this application help reduce complexity of blindly detecting, by a terminal device, signaling used to transmit a TPMI, thereby improving system performance.

55. 发明公开

EP3605913A1 INFORMATION TRANSMISSION METHOD AND DEVICE 有权
公开(公告)号：EP3605913A1
公开(公告)日：2020-02-05
申请号：EP18879692.4
申请日：2018-11-16
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Xueru , ZHANG, Ruiqi , SUN, Hao
IPC分类号： H04L1/18 , H04W72/04
摘要： This application provides an information transmission method and apparatus. The method includes: receiving, by a terminal device, a plurality of pieces of downlink control information DCI, where each of the plurality of pieces of DCI is used to trigger reporting of one piece of UCI and indicate a physical uplink control channel PUCCH resource carrying the UCI, the UCI includes at least one piece of channel state information CSI and response information, and PUCCH resources indicated by the plurality of pieces of downlink DCI occupy at least one same orthogonal frequency division multiplexing OFDM symbol; and sending, by the terminal device, target UCI on a target PUCCH resource, where the target UCI includes UCI triggered by the plurality of pieces of DCI, and the target PUCCH resource is one of the PUCCH resources indicated by the plurality of pieces of DCI. In this way, aperiodic CSI triggered by DCI can be transmitted on a PUCCH resource.

56. 发明公开

EP3598676A1 METHOD FOR TRANSMITTING DATA, TERMINAL DEVICE, AND NETWORK DEVICE 有权
公开(公告)号：EP3598676A1
公开(公告)日：2020-01-22
申请号：EP18795059.7
申请日：2018-05-03
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Xianda , LIU, Kunpeng , ZHANG, Ruiqi , LI, Xueru
IPC分类号： H04L1/00
摘要： This application provides a data transmission method, terminal device, and network device. The method includes: sending, by a terminal device, at least one precoded reference signal on at least one reference signal resource corresponding to a first PRG, where different precoding matrixes are used for different reference signals, and the first PRG is a PRG used to transmit a reference signal; receiving, by the terminal device, resource indication information, where the resource indication information indicates a reference signal resource that is corresponding to a second PRG and that is in the at least one reference signal resource, and the second PRG is a PRG used to transmit a physical uplink shared channel PUSCH; and sending, by the terminal device, a precoded PUSCH on the second PRG based on the resource indication information, where a precoding matrix used for the PUSCH is a precoding matrix used for a reference signal sent on the reference signal resource corresponding to the second PRG. In this way, a precoding matrix used to transmit the PUSCH on the second PRG can be effectively selected.

57. 发明公开

EP3598659A1 CODEBOOK SUBSETS LIMITING METHOD 有权
公开(公告)号：EP3598659A1
公开(公告)日：2020-01-22
申请号：EP18853237.8
申请日：2018-09-10
申请人： Huawei Technologies Co., Ltd.
发明人： LI, Xueru , ZHANG, Ruiqi
IPC分类号： H04B7/0456 , H04W28/02
摘要： A bit field indication manner is provided. A first field is determined, where the first field includes T 1 bits, at least one of the T 1 bits indicates at least two elements { b i0 , b i1 , ..., b ik } in a set B , the at least one bit further indicates at least one element {θ j0 , θ j1 , ..., θ jh } in a set Φ, and at least one element in { b i0 , b i1 , ..., b ik } and at least one element in {θ j0 , θ j1 , ..., θ jh } are used to form a precoding matrix, where the set B = { b 0 , b 1 , L, b T 2 -1 }, an element in the set B is a vector with a length of N/4, the set Φ = { θ 0 , θ 1 ,..., θ S -1 }, an element in Φ is a complex number of a unit amplitude, column l of the precoding matrix W satisfies some conditions, a quantity of rows of W is N, a quantity of columns of W is R, N is greater than or equal to R, b k l is an element in the set B , θ pl is an element in the set Φ, ϕ l is a complex number of a unit amplitude, T 1 , T 2 , and S are all positive integers, T 1 ∗ T 2 , and l is an integer greater than or equal to 0 and less than or equal to R-1.

58. 发明公开

EP3579483A1 DATA PROCESSING METHOD, BASE STATION AND RECEIVING DEVICE 有权
公开(公告)号：EP3579483A1
公开(公告)日：2019-12-11
申请号：EP18781392.8
申请日：2018-04-02
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Kunpeng , LI, Xueru
IPC分类号： H04L5/00
摘要： Embodiments of this application disclose a data processing method, a base station, and a receiving device, to effectively advance a decoding moment of a second codeword and speed up decoding. The method in the embodiments of this application includes: obtaining, by a base station, a demodulation pilot pattern in a transmission time unit, where the demodulation pilot pattern includes a first demodulation pilot pattern of a first codeword and a second demodulation pilot pattern of a second codeword; the first demodulation pilot pattern indicates a time-frequency resource of each orthogonal frequency division multiplexing OFDM symbol in a first set, and the second demodulation pilot pattern indicates a time-frequency resource of each OFDM symbol in a second set; and a modulation and coding MCS indication value of the first codeword is greater than an MCS indication value of the second codeword; and mapping, by the base station, a pilot signal to a time-frequency resource based on the demodulation pilot pattern, and sending the pilot signal, where a sending moment of a first OFDM symbol in the first set is before a sending moment of a first OFDM symbol in the second set.

59. 发明公开

EP3565140A1 CHANNEL STATE INFORMATION FEEDBACK METHOD, USER EQUIPMENT, AND BASE STATION 有权
公开(公告)号：EP3565140A1
公开(公告)日：2019-11-06
申请号：EP18736242.1
申请日：2018-01-09
申请人： Huawei Technologies Co., Ltd.
发明人： LIU, Kunpeng , LI, Xueru
IPC分类号： H04B7/06
摘要： This application provides a channel state information feedback method, user equipment, and a base station. A base station configures N first reference signal resources for UE, and sends the N first reference signal resources to the UE. After receiving the first reference signal resources, and then determining CSI of the first reference signal resources and M pieces of first reference signal indication information based on a feedback mode, the UE feeds back the CSI and the M pieces of first reference signal resource indication information to the base station. In this process, the UE feeds back the CSI of the M first reference signal resources in a horizontal dimension and the M pieces of first reference signal resource indication information to the base station, so that the base station determines channel state information in a vertical dimension based on the first reference signal resource indication information and finally obtains the channel state information in the two dimensions. This overcomes a disadvantage that only channel state information in a horizontal dimension is fed back in conventional channel estimation.

60. 发明公开

EP4443931A1 METHOD FOR DETERMINING BEAM AND ELECTRONIC DEVICE 审中-公开
公开(公告)号：EP4443931A1
公开(公告)日：2024-10-09
申请号：EP22919995.5
申请日：2022-12-12
申请人： Huawei Technologies Co., Ltd.
发明人： JIAO, Ruicheng , HE, Hongli , LI, Xueru
IPC分类号： H04W16/28
CPC分类号： H04W16/28 , H04L5/00
摘要： This application provides a beam determining method and an electronic device, and relates to the communication field. In the method, if a first terminal device detects, on a first target resource, a first sequence bound to the first terminal device, the first terminal device determines that a beam for sending a first reference signal corresponding to the first target resource is a first target beam. The first terminal device does not distinguish a device that sends the first sequence. If a plurality of different devices send first sequences on the first target resource, a gain of receiving the first sequences can be improved, so that the first sequences do not fail to be received. Therefore, the devices that send the first sequences do not need to wait. This can reduce a delay.

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