Patents by Inventor Zhenfei Tang

Zhenfei Tang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20180287750
    Abstract: Methods and systems for group common control channel implementation and use are provided. An embodiment a method in a base station for signaling group common control channel information is provided. The method includes determining control information common to a group of user equipment (UEs), the control information comprising time-frequency locations for at least one of a plurality of data channels and a plurality of control channels. The control information formatted in a Downlink Control Information (DCI) format. The method also includes encoding the control information in a group common control channel to generate encoded control information. The method also includes transmitting the encoded control information to the group of UEs.
    Type: Application
    Filed: March 27, 2018
    Publication date: October 4, 2018
    Inventors: Javad Abdoli, Zhenfei Tang, Jianglei Ma
  • Publication number: 20180279289
    Abstract: A method for resource allocation is provided. The method includes receiving, by a UE, a first configuration including a plurality of downlink bandwidth partitions (BWPs) and a second configuration including a plurality of uplink BWPs, receiving first downlink control information (DCI) in a first BWP of the plurality of downlink BWPs in a first time interval, the first DCI including an uplink grant for uplink data transmission over a second BWP of the plurality of uplink BWPs, and including an allocation of resource blocks (RBs) in the second BWP, and transmitting the uplink data over the second BWP in a second time interval subsequent to the first time interval.
    Type: Application
    Filed: January 9, 2018
    Publication date: September 27, 2018
    Inventors: Toufiqul Islam, Kelvin Kar Kin Au, Zhenfei Tang
  • Publication number: 20180270850
    Abstract: Embodiments of the present invention provide a method for transmitting uplink data, user equipment, and a base station. The method includes: when user equipment UE correctly receives, in a subframe n, downlink control signaling used for instructing the UE to transmit a physical uplink shared channel PUSCH, determining, by the UE according to the downlink control signaling and a subframe bundling configuration, a bundled subframe for transmitting the PUSCH, where the subframe bundling configuration includes a quantity of bundled subframes; and transmitting the PUSCH in the bundled subframe. In the embodiments of the present invention, a bundled subframe is introduced, which increases scheduling resources for a PUSCH, and enhances coverage performance of a signal.
    Type: Application
    Filed: May 24, 2018
    Publication date: September 20, 2018
    Inventors: Zhongfeng LI, Zhenfei TANG
  • Publication number: 20180270036
    Abstract: A method for feeding back acknowledge/non-acknowledge, user equipment (UE) and system are provided, allowing downlink data of different networks to obtain correct feedback, and improving reliability of data transmission. The method includes: a UE receiving ACK/NACK resource configuration information delivered by a network node; determining the ACK/NACK resource according to the configuration information, the ACK/NACK resource being a time frequency resource used for bearing ACK/NACK on an uplink channel; and using the ACK/NACK resource to feed back ACK/NACK to the network node. The method is mainly used in the ACK/NACK feedback process.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Inventors: Zhenfei TANG, Fan WANG
  • Patent number: 10070464
    Abstract: The present invention provides a signal transmission method and apparatus, a communications system, a terminal, and a base station, where the method includes: determining a repetition factor or an extended sequence of a channel; determining a time domain resource according to the repetition factor or a length of the extended sequence, where the time domain resource is a transmission subframe; and sending a signal by using the transmission subframe of the channel. The signal transmission method, apparatus, communications system, terminal, and base station that are provided by the present invention can solve the technical problem of poor channel coverage in a signal transmission method in the prior art.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: September 4, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenfei Tang, Yuanjie Li, Zhongfeng Li
  • Patent number: 10064172
    Abstract: Embodiments of the present invention provide a control channel resource transmission method including: obtaining, by a user equipment, a configuration parameter in a candidate control channel set according to a preset protocol and/or higher-layer signaling sent by a base station, where the higher-layer signaling is used to notify the configuration parameter; determining an antenna port according to the obtained configuration parameter; receiving, by using the antenna port, a control channel or a control channel element sent by the base station; and determining, by the base station, the antenna port according to the same configuration parameter as that of the user equipment, and sending, by using the antenna port, the control channel or the control channel element to the user equipment. The embodiments of the present invention are applicable to control channel resource transmission.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: August 28, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liang Xia, Mingyu Zhou, Chi Gao, Zhenfei Tang
  • Patent number: 10064093
    Abstract: Embodiments of the present invention provide a method and an apparatus for transmitting broadcast-multicast single-frequency network measurement data, where second measurement data is acquired by preprocessing acquired first measurement data, and the second measurement data is sent to a base station. Because the second measurement data is obtained after the first measurement data is preprocessed, a size of the second measurement data is smaller than that of the first measurement data, thereby reducing a transmission overhead.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: August 28, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuanjie Li, Zhenfei Tang
  • Publication number: 20180234227
    Abstract: A method, system, and device to obtain a basic subcarrier spacing, or a channel bandwidth, or a maximum transmission bandwidth, or a usable subcarrier spacing set via a predefined mapping rule is provided. In an embodiment, a method in a network component to determine a system numerology includes determining, by the network component, one or more subcarrier spacing options from a candidate subcarrier spacing set that is associated with a carrier frequency band. The method also includes transmitting, by the network component, a signal indicating to one or more UEs one or more subcarrier spacing options from the candidate subcarrier spacing set.
    Type: Application
    Filed: October 10, 2017
    Publication date: August 16, 2018
    Inventors: Liqing Zhang, Hao Tang, Xinxian Li, Zhenfei Tang
  • Patent number: 10009918
    Abstract: Embodiments of the present invention provide a method for transmitting uplink data, user equipment, and a base station. The method includes: when user equipment UE correctly receives, in a subframe n, downlink control signaling used for instructing the UE to transmit a physical uplink shared channel PUSCH, determining, by the UE according to the downlink control signaling and a subframe bundling configuration, a bundled subframe for transmitting the PUSCH, where the subframe bundling configuration includes a quantity of bundled subframes; and transmitting the PUSCH in the bundled subframe. In the embodiments of the present invention, a bundled subframe is introduced, which increases scheduling resources for a PUSCH, and enhances coverage performance of a signal.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: June 26, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhongfeng Li, Zhenfei Tang
  • Publication number: 20180167928
    Abstract: Embodiments of the present application provide a data transmission method. The method includes: sending, by user equipment, uplink data to a base station by using an uplink user equipment relay; and receiving, by the user equipment, downlink data from the base station, or receiving, by the user equipment, downlink data from the base station by using a downlink user equipment relay. Uplink transmission and downlink transmission are separately performed in different transmission paths, so as to reduce impact of a fault of a user equipment relay on a network, and improve network reliability.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 14, 2018
    Inventors: Guohua Zhou, Dongdong Wei, Zhenfei Tang
  • Patent number: 9999048
    Abstract: Embodiments of the present disclosure provide a method for transmitting service data, a terminal, and a base station. The method includes: a terminal sends a transmission attribute of the terminal to a base station, wherein the transmission attribute of the terminal is used for a determination of a transmission time interval (TTI) bundling transmission policy of the terminal; receives a TTI bundling transmission indication from the base station; determines a TTI bundling transmission policy of the terminal according to the transmission attribute of the terminal; and sends service data to the base station in a TTI bundling transmission manner according to the TTI bundling transmission policy of the terminal. Technical solutions provided in the embodiments of the present disclosure are used to enlarge coverage of medium-data rate and high-data rate services.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: June 12, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenfei Tang, Yuanjie Li
  • Patent number: 9979525
    Abstract: A method for feeding back acknowledge/non-acknowledge, user equipment (UE) and system are provided, allowing downlink data of different networks to obtain correct feedback, and improving reliability of data transmission. The method includes: a UE receiving ACK/NACK resource configuration information delivered by a network node; determining the ACK/NACK resource according to the configuration information, the ACK/NACK resource being a time frequency resource used for bearing ACK/NACK on an uplink channel; and using the ACK/NACK resource to feed back ACK/NACK to the network node. The method is mainly used in the ACK/NACK feedback process.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 22, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenfei Tang, Fan Wang
  • Publication number: 20180138940
    Abstract: A frequency hopping processing method and apparatus are disclosed, where user equipment receives frequency hopping information, which is sent by a network device, of an extended transmission time interval (TTI); and determines a frequency hopping area of the extended TTI according to the frequency hopping information of the extended TTI. The frequency hopping area of the extended TTI and a frequency hopping area of a normal TTI do not overlap in frequency, and during M-PUSCH frequency hopping of each extended TTI, the user equipment can hop into a corresponding M-PUSCH frequency hopping area according to a preset frequency hopping pattern, and does not hop into a PUSCH frequency hopping area, so that a resource conflict does not exist when M-PUSCH frequency hopping of an extended TTI and PUSCH frequency hopping of a 1 ms TTI are performed at the same time.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Zhenfei Tang, Zhongfeng Li
  • Publication number: 20180124745
    Abstract: The present disclosure provides a broadcast message transmission method, a base station and user equipment. The method includes: determining a resource position of a broadcast channel, wherein the broadcast channel occupies M physical resource blocks (PRBs) among m PRBs of a frequency band center of a carrier, m and M are positive integers, M is not greater than m, and m is not greater than the number of the PRBs corresponding to the system bandwidth; mapping the broadcast channel on the resource position; and sending a broadcast message through the broadcast channel.
    Type: Application
    Filed: December 28, 2017
    Publication date: May 3, 2018
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuanjie LI, Zhenfei TANG
  • Publication number: 20180110034
    Abstract: The present invention provides a method for processing an enhanced physical downlink control channel (EPDCCH), a network-side device, and a user equipment. The method includes: notifying a user equipment (UE) of M physical resource block (PRB) sets used for EPDCCH transmission and N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and notifying the UE of correspondence between the M PRB sets and the N RS configurations, where N is a positive integer greater than 1, and M is a positive integer; and performing the EPDCCH DCI rate matching and/or the EPDCCH resource mapping according to the correspondence between the M PRB sets and the N RS configurations.
    Type: Application
    Filed: December 18, 2017
    Publication date: April 19, 2018
    Inventors: Zhongfeng LI, Zhenfei TANG, Jianmin LU, Ke WANG
  • Publication number: 20180103345
    Abstract: The disclosure provides a method, a device and a communication system for processing a common search area. The method includes: acquiring resource indication information about a first common search area of a control channel, or resource indication information about a first common search area and resource indication information about at least one second common search area; and determining, according to the resource indication information about the first common search area, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, a location of the first common search area, or locations of the first common search area and at least one second common search area.
    Type: Application
    Filed: December 7, 2017
    Publication date: April 12, 2018
    Inventors: Yuanjie LI, Zhenfei TANG
  • Publication number: 20180102888
    Abstract: The present application provides a method and device for transmitting a reference signal sequence. The method includes: determining a position of an eCCE or an eREG mapped to an ePDCCH in a resource block pair; determining, according to corresponding relationship between the position of the eCCE or the eREG in the resource block pair and the antenna port of the reference signal; and transmitting a reference sequence over the antenna port of the reference signal, herein, the corresponding relationship between the position of the eCCE or the eREG in the resource block pair and the antenna port of the reference signal includes that the positions of at least two eCCEs or at least two eREGs correspond to one of the antenna ports of the reference signal.
    Type: Application
    Filed: December 7, 2017
    Publication date: April 12, 2018
    Inventor: Zhenfei TANG
  • Patent number: 9906266
    Abstract: A frequency hopping processing method and apparatus are disclosed, where user equipment receives frequency hopping information, which is sent by a network device, of an extended transmission time interval (TTI); and determines a frequency hopping area of the extended TTI according to the frequency hopping information of the extended TTI. The frequency hopping area of the extended TTI and a frequency hopping area of a normal TTI do not overlap in frequency, and during M-PUSCH frequency hopping of each extended TTI, the user equipment can hop into a corresponding M-PUSCH frequency hopping area according to a preset frequency hopping pattern, and does not hop into a PUSCH frequency hopping area, so that a resource conflict does not exist when M-PUSCH frequency hopping of an extended TTI and PUSCH frequency hopping of a 1 ms TTI are performed at the same time.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: February 27, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenfei Tang, Zhongfeng Li
  • Patent number: 9877304
    Abstract: The present invention provides a broadcast message transmission method, a base station and user equipment. The method includes: determining a resource position of a broadcast channel, wherein the broadcast channel occupies M physical resource blocks (PRBs) among m PRBs of a frequency band center of a carrier, m and M are positive integers, M is not greater than m, and m is not greater than the number of the PRBs corresponding to the system bandwidth; mapping the broadcast channel on the resource position; and sending a broadcast message through the broadcast channel. In the embodiments of the present invention, since the broadcast channel occupies M PRBs among m PRBs of a frequency band center of a carrier, by mapping the broadcast channel on the resource position and sending a broadcast message through the broadcast channel, the resource utilization rate of the carrier may be improved.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: January 23, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuanjie Li, Zhenfei Tang
  • Patent number: 9866357
    Abstract: The present invention provides a method and device for transmitting a reference signal sequence. The method includes: determining a position of an eCCE or an eREG mapped to an ePDCCH in a resource block pair; determining, according to corresponding relationship between the position of the eCCE or the eREG in the resource block pair and the antenna port of the reference signal; and transmitting a reference sequence over the antenna port of the reference signal, herein, the corresponding relationship between the position of the eCCE or the eREG in the resource block pair and the antenna port of the reference signal includes that the positions of at least two eCCEs or at least two eREGs correspond to one of the antenna ports of the reference signal.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: January 9, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Zhenfei Tang