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: 20160255582
    Abstract: A method, device and system for regulating power consumption are provided in the embodiments of the present invention. A method for regulating power consumption includes: obtaining, by a base station, an application point and a configuration parameter; sending, by the base station, an indication message to a terminal according to the application point and configuration parameter; regulating, by the base station, the power consumption of the base station by using the configuration parameter at the application point; the configuration parameter comprises cell antenna information or system bandwidth information; the indication message instructs the terminal to use the configuration parameter at the application point. Under the condition that user's normal communication is remained, the number of cell antennas or the cell bandwidth is dynamically changed. This reduces the power consumption of the network device.
    Type: Application
    Filed: May 5, 2016
    Publication date: September 1, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Daowei WANG, Li CHEN, Yinghua HUANG, Min HUANG, Mingzeng DAI, Gang YU, Bin XIA, Zhenfei TANG
  • Patent number: 9432973
    Abstract: Embodiments of the present invention disclose a control channel resource allocation method and apparatus, where the control channel resource allocation method includes: determining a VRB number corresponding to a first physical downlink control channel or a serial number of the first CCE for the first physical downlink control channel to transmit DCI, where the first physical downlink control channel includes an S-PDCCH or an R-PDCCH; and obtaining, according to the VRB number or the serial number of the first CCE, an offset, and a PUCCH parameter, a PUCCH format 1a or 1b resource number corresponding to the first physical downlink control channel.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: August 30, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhenfei Tang, Zhengwei Gong
  • Publication number: 20160242069
    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: Application
    Filed: April 29, 2016
    Publication date: August 18, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yuanjie LI, Zhenfei TANG
  • Patent number: 9401793
    Abstract: A method for encoding uplink control information comprises: determining the number of bits of the first uplink control information and the number of bits of second uplink control information; determining a second parameter for channel encoding of the first uplink control information according to the number of bits of the first uplink control information and the number of bits of the second uplink control information; determining the number of encoding symbols or the number of encoding bits of the first uplink control information according to the second parameter and the number of bits of the first uplink control information; encoding the first uplink control information according to the number of encoding symbols or the number of encoding bits of the first uplink control information.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 26, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventor: Zhenfei Tang
  • Publication number: 20160212761
    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: March 25, 2016
    Publication date: July 21, 2016
    Inventors: Zhongfeng Li, Zhenfei Tang
  • Publication number: 20160174224
    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: Application
    Filed: February 23, 2016
    Publication date: June 16, 2016
    Inventors: Zhenfei TANG, Yuanjie LI
  • Patent number: 9369955
    Abstract: A method, device and system for regulating power consumption are provided in the embodiments of the present invention. A method for regulating power consumption includes: obtaining, by a base station, an application point and a configuration parameter; sending, by the base station, an indication message to a terminal according to the application point and configuration parameter; regulating, by the base station, the power consumption of the base station by using the configuration parameter at the application point; the configuration parameter comprises cell antenna information or system bandwidth information; the indication message instructs the terminal to use the configuration parameter at the application point. Under the condition that user's normal communication is remained, the number of cell antennas or the cell bandwidth is dynamically changed. This reduces the power consumption of the network device.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: June 14, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Daowei Wang, Li Chen, Yinghua Huang, Min Huang, Mingzeng Dai, Gang Yu, Bin Xia, Zhenfei Tang
  • Patent number: 9345044
    Abstract: Embodiments of the present invention disclose a method and an apparatus for processing information. A base station configures at least one physical uplink control channel format for a user equipment and then sends downlink control information of a physical downlink control channel to the user equipment, and finally activates or releases, through bit information configured in the downlink control information of the physical downlink control channel, the at least one physical uplink control channel format for the user equipment to feed back channel state information.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: May 17, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Zhenfei Tang
  • Publication number: 20160081122
    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: Application
    Filed: November 13, 2015
    Publication date: March 17, 2016
    Inventors: Zhenfei Tang, Yuanjie Li, Zhongfeng Li
  • Publication number: 20150373721
    Abstract: A radio resource configuration method and device are disclosed. The radio resource configuration method includes: after a piece of user equipment UE establishes a connection with a base station according to a system bandwidth in a broadcast message, determining, by the base station for the UE, resource configuration used for communication between the UE and the base station, where the resource configuration includes at least one of a resource allocation bandwidth, a channel state information CSI pilot bandwidth, and a CSI measurement bandwidth, where the resource allocation bandwidth is a bandwidth used to generate resource block allocation information in downlink control information; and sending, by the base station to the UE by using dedicated signaling or a common message, the resource configuration determined for the UE and used for communication between the UE and the base station.
    Type: Application
    Filed: August 28, 2015
    Publication date: December 24, 2015
    Inventors: Yingyu Zhang, Jianmin Lu, Zhenfei Tang
  • Publication number: 20150341957
    Abstract: The present invention provides a information processing method at a terminal or a base station. The method at the terminal includes: receiving scheduling information of a physical downlink shared channel (PDSCH) carrying system information, the scheduling information of the PDSCH carried in a master information block (MIB) or downlink control information on an enhanced physical downlink control channel (EPDCCH) sent from the base station, wherein the scheduling information of the PDSCH is used for determining at least one kind of transmission information of the PDSCH; determining the transmission information of the PDSCH according to the scheduling information of the PDSCH. In this way, an extra overhead of a control instruction when a PDCCH is used to schedule a SIB in the prior art is reduced.
    Type: Application
    Filed: August 4, 2015
    Publication date: November 26, 2015
    Inventors: Zhenfei Tang, Yongxia Lyu, Jing Liu
  • Publication number: 20150237624
    Abstract: Embodiments of the present disclosure provide a method for determining a control channel search space. The method includes: determining numbers of EPDCCH sets used for enhanced physical downlink control channel EPDCCH transmission; determining, according to the numbers of the EPDCCH sets, location offsets of search spaces corresponding to the EPDCCH sets; and determining, according to the location offsets of the search spaces corresponding to the EPDCCH sets, the search spaces corresponding to the EPDCCH sets. By grouping and numbering time frequency resources of EPDCCHs, and determining different location offsets for different EPDCCH search spaces according to the numbers and different cell identities or UE identifiers, a probability of control channel search space conflict can be reduced. Thereby, time frequency resources of control channels can be maximized in a case of multiple users, and communication efficiency can be improved.
    Type: Application
    Filed: April 29, 2015
    Publication date: August 20, 2015
    Inventor: Zhenfei Tang
  • Publication number: 20150230220
    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: April 28, 2015
    Publication date: August 13, 2015
    Inventors: Zhongfeng Li, Zhenfei Tang, Jianmin Lu, Ke Wang
  • Publication number: 20150208200
    Abstract: The invention 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: March 27, 2015
    Publication date: July 23, 2015
    Inventors: Yuanjie LI, Zhenfei TANG
  • Publication number: 20150207607
    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: March 30, 2015
    Publication date: July 23, 2015
    Inventors: Zhenfei TANG, Fan WANG
  • Publication number: 20150201382
    Abstract: Provided in the present invention are a method and a system for power adjustment, a base station, and a user equipment. The method includes: receiving, by a UE, downlink control information that is sent by a base station and carries a transmit power control TPC command, determining, by the UE, a power control value corresponding to the power control command field according to the TPC command and a first condition, where the first condition is: information on a time when the UE receives the downlink control information, or information on a position of a physical downlink control channel PDCCH candidate, or information of a non-TPC command in the downlink control information, or a power control value preset in the UE, or indication information that is sent by the base station and indicates the power control value.
    Type: Application
    Filed: March 27, 2015
    Publication date: July 16, 2015
    Inventors: Fan Wang, Zhenfei Tang
  • Publication number: 20150195821
    Abstract: The present invention provides a method for transmitting downlink control information, a network side device, and a user equipment. The method includes: selecting, by a network side device, a aggregation level of a physical control channel set in a transmission subframe, and selecting the number of physical control channel candidates corresponding to the aggregation level according to the aggregation level; and sending, by the network side, downlink control information on a physical control channel candidate corresponding to the selected number. The times that blind detection is performed corresponding to the aggregation level corresponds to the number of physical control channel candidates, and therefore, when the number of physical control channel candidates is determined, the times that blind detection is performed is determined, so that the network side device and the user equipment can communicate with each other without increasing the times that blind detection is performed.
    Type: Application
    Filed: March 19, 2015
    Publication date: July 9, 2015
    Inventors: Yuanjie Li, Zhenfei Tang
  • Publication number: 20150195814
    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: Application
    Filed: March 24, 2015
    Publication date: July 9, 2015
    Inventors: Yuanjie Li, Zhenfei Tang
  • Publication number: 20150172019
    Abstract: Embodiments of the present invention relate to the technical field of communications, and provide a method and device for transmitting a reference signal. The method for transmitting a reference signal comprises: a base station determining an antenna port of a reference signal corresponding to a broadcast channel; the base station determining a complex valued modulation symbol of the reference signal according to a first parameter of the reference signal, wherein the first parameter of the reference signal is determined by the number of resource blocks occupied by the broadcast channel; and the base station transmitting the determined complex valued modulation symbol of the reference signal to a user terminal on the determined antenna port of the reference signal. The present invention can be used in an LTE wireless communication system.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 18, 2015
    Inventors: Zhenfei Tang, Yuanjie Li
  • Publication number: 20150146669
    Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for transmitting control information. The method includes: determining enhanced resource element group numbers in resource blocks, and determining, according to the resource element group numbers, positions of resource elements corresponding to enhanced resource element groups; interleaving the enhanced resource element group numbers, and determining an enhanced control channel element; determining, according to the enhanced control channel element and the positions of the resource elements corresponding to the enhanced resource element groups, positions of resource elements corresponding to the enhanced control channel element; and transmitting corresponding control information on the positions of the resource elements corresponding to the control channel element. The present invention alleviates a problem that channel frequency diversity is poor, and lowers the probability of loss of information of a terminal device.
    Type: Application
    Filed: February 2, 2015
    Publication date: May 28, 2015
    Inventors: Zhenfei TANG, Yuanjie LI