Patents by Inventor Zhisong Zuo

Zhisong Zuo 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).

  • Patent number: 9866417
    Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: January 9, 2018
    Assignee: ZTE Corporation
    Inventors: Senbao Guo, Yunfeng Sun, Zhisong Zuo, Wenfeng Zhang, Junfeng Zhang
  • Publication number: 20180007711
    Abstract: A method for sending and detecting downlink control information, a sending end and a receiving end are described, the method for detecting the downlink control information may include: a User Equipment (UE)-specific search space of an enhance Physical Downlink Control Channel (ePDCCH) bearing downlink control information is determined according to a preset interval; wherein the preset interval is determined according to a number of candidate positions of one component carrier at a corresponding aggregation level in a corresponding resource set, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of scheduled component carriers, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of configured component carriers; and th
    Type: Application
    Filed: September 13, 2017
    Publication date: January 4, 2018
    Inventors: Bo Dai, Yijian Chen, Zhisong Zuo
  • Patent number: 9820299
    Abstract: A method for sending and detecting downlink control information, a sending end and a receiving end are described, the method for detecting the downlink control information may include: a User Equipment (UE)-specific search space of an enhance Physical Downlink Control Channel (ePDCCH) bearing downlink control information is determined according to a preset interval; wherein the preset interval is determined according to a number of candidate positions of one component carrier at a corresponding aggregation level in a corresponding resource set, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of scheduled component carriers, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of configured component carriers; and th
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: November 14, 2017
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO. LTD.
    Inventors: Bo Dai, Yijian Chen, Zhisong Zuo
  • Publication number: 20170303289
    Abstract: Disclosed is an uplink channel processing method. The method comprises: sending, by a terminal, at least two uplink channels simultaneously at a pre-set moment; and when the sum of powers of the uplink channels exceeds the maximum power supported by the terminal, according to information about the uplink channels, determining, by the terminal, the priority levels of the uplink channels. Also disclosed are a terminal, a base station, an uplink channel processing system and a computer storage medium.
    Type: Application
    Filed: October 31, 2014
    Publication date: October 19, 2017
    Inventors: Senbao Guo, Zhisong Zuo
  • Patent number: 9781692
    Abstract: A method for transmitting primary synchronization signals and secondary synchronization signals in new carriers is provided, which includes: with respect to a time domain, a base station side sending Primary Synchronization Signals (PSS) and Secondary Synchronization Signals (SSS) in Orthogonal Frequency Division Multiplexing (OFDM) symbols except OFDM symbols occupied by reference signals in subframes #1 and #6, or subframes #0 and #5, or subframes #1, #6, #0 and #5; and with respect to a frequency domain, the base station side sending the PSS or SSS in resources of intermediate 6 Physical Resource Block (PRB) pairs of system bandwidth; the reference signals include Demodulation Reference Signals (DMRS).
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: October 3, 2017
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO.LTD.
    Inventors: Wei Gou, Bo Dai, Xiaogang Han, Zhisong Zuo
  • Patent number: 9692574
    Abstract: A method and device for detecting control signaling and a method and device for implementing control signaling detection are provided, wherein blind detection times or the amount of enhanced Physical Downlink Control Channels (ePDCCH) allocated by each ePDCCH resource set is determined, so that the ePDCCH needed to be detected in each ePDCCH resource set can be determined.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: June 27, 2017
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Bo Dai, Zhisong Zuo, Jing Shi, Yong Li
  • Publication number: 20170171014
    Abstract: The present document provides a modulation processing method and apparatus for high-order coding, a base station and a terminal, herein the method includes: a base station selecting a Modulation and Coding Scheme (MCS) table according to a transmission type and predefined information, herein the MCS table includes a MCS table supporting a M-order modulation and a MCS table not supporting a M-order modulation, herein M>64; and the base station transmitting downlink control signaling to a terminal, the downlink control signaling including a modulation and coding scheme field IMCS, herein the IMCS is based on the MCS table supporting or not supporting a M-order modulation selected by the base station.
    Type: Application
    Filed: September 1, 2014
    Publication date: June 15, 2017
    Inventors: Zewei CHEN, Bo DAI, Yu Ngok LI, Zhisong ZUO, Jun XU, Shuqiang XIA
  • Patent number: 9661617
    Abstract: A method and apparatus for determining resources in a Physical Uplink Control Channel (PUCCH) are disclosed. The method includes: an apparatus determining a channel resource index of the PUCCH according to physical resources of an enhanced Physical Downlink Control Channel (ePDCCH), wherein, the PUCCH is used for carrying positive acknowledgement/negative acknowledgement (ACK/NACK) information about a Physical Downlink Shared Channel (PDSCH) indicated by the ePDCCH; and the physical resources of the ePDCCH include: any one or more of a physical resource block, an enhanced control channel element and an antenna port index. The embodiments of the present document can ensure the compatibility between an LTE-Advanced system and an LTE Release-8 system, and facilitate improving the system capacity and the scheduling flexibility of the LTE-Advanced system, thereby enabling an LTE-Advanced terminal to obtain a maximum frequency selectivity gain.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: May 23, 2017
    Assignee: ZTE Corporation
    Inventors: Bo Dai, Yijian Chen, Senbao Guo, Yunfeng Sun, Zhisong Zuo
  • Patent number: 9609640
    Abstract: Provided are a method and a device for sending and receiving an ePDCCH, a base station, and user equipment. The method includes: a base station mapping enhanced resource element groups (eREGs) corresponding to an ePDCCH to different resource elements, wherein each of the eREGs corresponding to the ePDCCH is located in one physical resource block pair; and the base station sending the ePDCCH on the resource elements. The disclosure improves the reliability and resource utilization of ePDCCH transmission.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: March 28, 2017
    Assignee: ZTE CORPORATION
    Inventors: Bo Dai, Yijian Chen, Jing Shi, Yunfeng Sun, Zhisong Zuo
  • Patent number: 9603135
    Abstract: The disclosure claims a method and a device for transmitting a Position Reference Signal (PRS) subframe. In the disclosure, the network side configures certain channels or signals according to the configuration condition of the PRS, or the network side configures the PRS according to the configuration condition of certain channels or signals; the receiving side correctly identifies the length of Cyclic Prefix (CP) according to the configuration information issued by the network side, so as to correctly measure and accurately receive the channels or signals sent by the network side. The disclosure overcomes the technical problem in the conventional art that the length of CP is ambiguous, so that the signals cannot be measured and accurately received by the receiving side.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: March 21, 2017
    Assignee: ZTE CORPORATION
    Inventors: Senbao Guo, Yunfeng Sun, Bo Dai, Zhisong Zuo, Junfeng Zhang
  • Patent number: 9584295
    Abstract: A method for configuring a physical resource block of a user equipment search space includes: a system side configuring a Physical Resource Block (PRB) pair of a default User equipment specific Search Space (USS), and notifying the user equipment of positions of the PRB pairs of the default USS, or the system side agreeing with the user equipment on the positions of the PRB pairs of the default USS. The user equipment obtains the positions of the PRB pairs of the default USS according to the notification from the system side, or agrees with the system side on the positions of the PRB pairs of the default USS. The embodiments of the present document further provide the system side and the user equipment.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: February 28, 2017
    Assignee: ZTE Corporation
    Inventors: Wei Gou, Zhisong Zuo, Zhaohua Lu
  • Patent number: 9577775
    Abstract: Provided are a synchronization track reference signal transmission processing, receiving processing method and apparatus. According to the transmission processing method, a base station configures, for a new carrier, subframe pattern information used for a synchronization track reference signal (STRS), wherein the subframe pattern information is used for describing at least one subframe for transmitting the STRS in a radio frame; and the base station transmits the configured subframe pattern information to user equipment. By applying the technical solution, the technical problems of being unable to transmit the STRS in a new carrier since there is not technical solution regarding how to transmit the STRS in the related technologies, etc. are solved, thereby achieving the transmission of the STRS in the new carrier.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: February 21, 2017
    Assignee: ZTE Corporation
    Inventors: Wei Gou, Shuqiang Xia, Zhisong Zuo, Bo Dai
  • Patent number: 9538524
    Abstract: Disclosed is a physical downlink shared channel transmission method, and the method includes: a network side determines transmission parameters of a Physical Downlink Shared Channel (PDSCH) according to a relevant transmission mode of a DM-RS and/or relevant information of a scheduled UE, wherein the transmission parameters include one or more of: a resource mapping approach of the PDSCH, a downlink DM-RS antenna port in use, and a Scrambling Code Identity (SCID) and a scrambling code initialized value X desired when a downlink DM-RS port sequence is initialized; and the network side transmits data according to the determined antenna parameters of the PDSCH. Further disclosed is a physical downlink shared channel transmission system. The disclosure can implement selection of DM-RS antenna ports and use multiple DM-RS antenna ports to improve transmission reliability, eliminate interference, increase MU-MIMO multiplexing capacity and improve frequency selective gain.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: January 3, 2017
    Assignee: ZTE Corporation
    Inventors: Xiaogang Han, Bo Dai, Wei Gou, Shuqiang Xia, Zhisong Zuo
  • Patent number: 9532351
    Abstract: A method for transmitting downlink control information, a detecting method, a base station and a UE are provided in the present invention. The detecting method includes: the UE detects downlink control information beared by ePDCCH in a resource block according to a resource block set and pre-defined information configured by the base station; wherein the pre-defined information at least includes one of the followings: sub-carrier position information detected in the resource block set, enhanced control channel unit information detected in the resource block set, a mapping mode of the ePDCCH, aggregation level configuration information detected in the resource block set, the amount of candidate set corresponding to the detected aggregation level in the resource block set and a downlink control information format.
    Type: Grant
    Filed: December 26, 2012
    Date of Patent: December 27, 2016
    Assignee: ZTE CORPORATION
    Inventors: Bo Dai, Yijian Chen, Zhisong Zuo
  • Patent number: 9509476
    Abstract: Disclosed are a method and a device for detecting control signalling and implementing control signalling detection. In a subframe S, a terminal detects the control signalling in K ePDCCH resource sets; the terminal detects set X(i) of aggregation level of the resource in Set i of the K ePDCCH resource sets, wherein i is an integer, 0<i<=k. Detection of each ePDCCH resource set is more targeted so that detection of unreasonable aggregation level is avoided and the detection efficiency is enhanced.
    Type: Grant
    Filed: September 22, 2013
    Date of Patent: November 29, 2016
    Assignee: ZTE CORPORATION
    Inventors: Yijian Chen, Bo Dai, Zhisong Zuo, Jing Shi
  • Patent number: 9425928
    Abstract: Provided are a data transmission method and device. The method includes: determining, by means of a frequency hopping manner according to a TTI Bundling parameter, a frequency domain position of a physical resource block in a slot for sending a TTI Bundling, wherein a frequency hopping variable i of the frequency hopping manner is determined according to the TTI Bundling parameter by means of one of or a combination of predetermined approaches, where mod is a modulus operation, floor is rounded down operation, ns is a sequence number of the time slot; transmitting data on a time frequency resource corresponding to the frequency domain position of the physical resource block in the slot of the TTI bundling. According to the solution, the coverage area of the TTI bundling data transmission is improved.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: August 23, 2016
    Assignee: ZTE CORPORATION
    Inventors: Yanfeng Guan, Xianming Chen, Wei Luo, Yifei Yuan, Zhisong Zuo
  • Patent number: 9425932
    Abstract: The present invention provides a method for detecting a downlink control channel, a user equipment and a base station. The detection method comprises: a UE detecting a downlink control channel of the UE in a first search space and a second search space, the first search space and the second search space being resources for a base station to send downlink control channel information. In the present invention, the downlink control channel information is sent in two search spaces, thereby developing a new PDCCH resource, solving the problem of insufficient physical downlink control channel PDCCH resources due to the increased requirements for user access, and achieving the effect of increasing the system capacity and reducing the interference.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: August 23, 2016
    Assignee: ZTE CORPORATION
    Inventors: Xin Wu, Bo Dai, Yijian Chen, Zhisong Zuo
  • Publication number: 20160192348
    Abstract: A method and apparatus for determining resources in a Physical Uplink Control Channel (PUCCH) are disclosed. The method includes: an apparatus determining a channel resource index of the PUCCH according to physical resources of an enhanced Physical Downlink Control Channel (ePDCCH), wherein, the PUCCH is used for carrying positive acknowledgement/negative acknowledgement (ACK/NACK) information about a Physical Downlink Shared Channel (PDSCH) indicated by the ePDCCH; and the physical resources of the ePDCCH include: any one or more of a physical resource block, an enhanced control channel element and an antenna port index. The embodiments of the present document can ensure the compatibility between an LTE-Advanced system and an LTE Release-8 system, and facilitate improving the system capacity and the scheduling flexibility of the LTE-Advanced system, thereby enabling an LTE-Advanced terminal to obtain a maximum frequency selectivity gain.
    Type: Application
    Filed: June 26, 2013
    Publication date: June 30, 2016
    Applicant: ZTE CORPORATION
    Inventors: Bo Dai, Yijian Chen, Senbao Guo, Yunfeng Sun, Zhisong Zuo
  • Publication number: 20160119946
    Abstract: A method for sending and detecting downlink control information, a sending end and a receiving end are described, the method for detecting the downlink control information may include: a User Equipment (UE)-specific search space of an enhance Physical Downlink Control Channel (ePDCCH) bearing downlink control information is determined according to a preset interval; wherein the preset interval is determined according to a number of candidate positions of one component carrier at a corresponding aggregation level in a corresponding resource set, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of scheduled component carriers, or the preset interval is determined according to the number of the candidate positions of one component carrier at the corresponding aggregation level in the corresponding resource set, and a number of configured component carriers; and th
    Type: Application
    Filed: October 29, 2013
    Publication date: April 28, 2016
    Inventors: Bo Dai, Yijian Chen, Zhisong Zuo
  • Publication number: 20160094327
    Abstract: Provided are methods for sending and receiving ACK/NACK information, a base station, and a terminal, wherein the method for sending ACK/NACK information includes that ACK/NACK information of a plurality of terminals is divided into X groups according to a preset indication parameter, wherein X is a positive integer greater than or equal to 1; joint coding is performed on ACK/NACK information corresponding to each group in the X groups, so as to obtain X first bit blocks; and the X first bit blocks are mapped to a predetermined ACK/NACK physical resource and sent. By means of the disclosure, reliable transmission of HARQ-ACK information of a terminal on an NCT is implemented, the reliability of transmission of UL data in a Low Cost terminal is improved, and problems such as a conflict of PHICH resource allocation and ICIC of a frequency domain in a small cell are solved.
    Type: Application
    Filed: December 20, 2013
    Publication date: March 31, 2016
    Inventors: Xiaogang HAN, Bo DAI, Shuqiang XIA, Wei GOU, Zhaohua LU, Zhisong ZUO