Patents by Inventor Chunli Liang

Chunli Liang 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: 9877311
    Abstract: There is provided a method for sending uplink control information, comprising when a Frequency Division Duplex (FDD) serving cell and a Time Division Duplex (TDD) serving cell are aggregated, a user equipment (UE) sending the uplink control information in uplink subframes of the FDD serving cell and/or uplink subframes of the TDD serving cell according to a predefined rule.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: January 23, 2018
    Assignee: ZTE CORPORATION
    Inventors: Weiwei Yang, Bo Dai, Chunli Liang, Shuqiang Xia, Huiying Fang
  • Publication number: 20170353285
    Abstract: At least some embodiments of disclosure include a method and device for transmitting downlink data, and a device for acquiring downlink data. In the method, DCI corresponding to downlink data on a first carrier is configured in a preset manner; and the downlink data on the first carrier is transmitted according to the DCI corresponding to the downlink data on the first carrier. According to the technical solution provided by at least some embodiments of the disclosure, DCI corresponding to downlink data on a FDD uplink carrier is effectively configured in flexible duplex, complexity of a terminal is not increased, and performance of the DCI is ensured.
    Type: Application
    Filed: March 20, 2015
    Publication date: December 7, 2017
    Applicant: ZTE Corporation
    Inventors: Weiwei YANG, Bo DAI, Chunli LIANG
  • Publication number: 20170289852
    Abstract: The present disclosure discloses a Carrier Aggregation (CA) method and device for a communication system. Herein, the CA method for the communication system includes that: multiple serving cells with subframe deviations are aggregated to obtain K Primary Cells (PCells) and M Secondary Cells (SCells), herein K and M are positive integers; and a transmission node transmits information on the multiple aggregated serving cells according to the subframe deviations.
    Type: Application
    Filed: October 11, 2014
    Publication date: October 5, 2017
    Applicant: ZTE CORPORATION
    Inventors: Weiwei YANG, Bo DAI, Chunli LIANG, Shuqiang XIA
  • Publication number: 20170272229
    Abstract: A method and an apparatus for sending response information and a computer storage medium are disclosed. The method comprises: determining a Hybrid Automatic Repeat reQuest (HARQ) timing corresponding to a downlink subframe, wherein the downlink subframe is a downlink subframe, for which a feedback of HARQ-ACK response information is needed, and is located in a Frequency Division Duplexing (FDD) downlink or uplink frequency spectrum; and sending the HARQ-ACK response information corresponding to the downlink subframe according to the determined HARQ timing.
    Type: Application
    Filed: April 27, 2015
    Publication date: September 21, 2017
    Inventors: Weiwei Yang, Chunli Liang, Bo Dai
  • Publication number: 20170231001
    Abstract: A method and device for processing carrier resource of an unlicensed carrier and a transmission node are disclosed. The method includes: determining, in a competitive way, to access the unlicensed carrier in a transmission window; and accessing, according to a predetermined access condition, the unlicensed carrier, wherein the predetermined access condition includes at least one of: a determined length of the transmission window, the maximum access times in the transmission window and the maximum access time in the transmission window.
    Type: Application
    Filed: April 7, 2015
    Publication date: August 10, 2017
    Inventors: Weiwei YANG, Bo DAI, Chunli LIANG, Zhaohua LU
  • Publication number: 20170222783
    Abstract: Disclosed is a method for controlling sending of channel state information, in which an evolved Node B sends downlink control information containing Aperiodic Channel State Information (A-CSI) triggering signalling. The A-CSI triggering signalling is employed by the evolved Node B to trigger reporting of A-CSI on a downlink Frequency Division Duplexing (FDD) spectrum and/or an uplink FDD spectrum.
    Type: Application
    Filed: April 14, 2015
    Publication date: August 3, 2017
    Applicant: ZTE Corporation
    Inventors: Chunli Liang, Bo Dai, Weiwei Yang
  • Publication number: 20170208582
    Abstract: A method and apparatus for configuring and sending an uplink control channel, a base station, and a User Equipment (UE) are described. The method includes sending, by a base station, a message to a user equipment. The message is used for configuring a sending mode for a physical uplink control channel (PUCCH) of the user equipment. The sending mode includes a first sending mode in which the PUCCH is sent only on an uplink primary serving cell, and a second sending mode in which the PUCCH is sent on the uplink primary serving cell and an uplink secondary serving cell.
    Type: Application
    Filed: October 29, 2014
    Publication date: July 20, 2017
    Applicant: ZTE CORPORATION
    Inventors: Chunli LIANG, Bo DAI, Weiwei YANG
  • Patent number: 9705641
    Abstract: Disclosed are a method and device for sending answer information, wherein, when a frequency division duplex (FDD) and a time division duplex (TDD) aggregate, where a TDD cell serves as a primary serving cell and a FDD cell works as a secondary serving cell, a user equipment (UE) groups downlink subframes of the FDD secondary serving cell, and different downlink subframe groups use different hybrid automatic repeat request (HARQ) timing relationships, determines uplink subframes where HARQ-ACK acknowledgment messages corresponding to physical downlink shared channels (PDSCHs) of the downlink subframe groups are transmitted, and sends the HARQ-ACK messages on the determined uplink subframes.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: July 11, 2017
    Assignee: ZTE Corporation
    Inventors: Chunli Liang, Bo Dai, Shuqiang Xia, Weiwei Yang, Bin Yu
  • Patent number: 9686776
    Abstract: Disclosed are a method and an device for processing information. In the method, a UE receives a higher-layer signaling from a base station, wherein the higher-layer signaling carries uplink channel resources configured by the base station for the UE, and the uplink channel resources are used for simultaneously transmitting periodic channel state information P-CSI of a plurality of serving cells corresponding to the UE, or are used for simultaneously transmitting hybrid automatic repeat request acknowledgments HARQ-ACKs of the plurality of serving cells corresponding to the UE and the P-CSI of the plurality of serving cells; and the UE simultaneously transmits the P-CSI of the plurality of serving cells on the uplink channel resources according to the higher-layer signaling in a preset uplink sub-frame, or simultaneously transmits the HARQ-ACKs of the plurality of serving cells and the P-CSI of the plurality of serving cells.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: June 20, 2017
    Assignee: ZTE CORPORATION
    Inventors: Chunli Liang, Bo Dai, Shuqiang Xia
  • Publication number: 20170150518
    Abstract: Provided are a data sending method and device in spectrum aggregation. When downlink aggregation is performed on the plurality of cells of different types, the method includes that: HARQ information of the plurality of cells is centralized and sent on uplink subframes corresponding to a TDD cell among the plurality of cells, wherein the TDD cell is a primary cell while other cells are secondary cells and it is given that an uplink-downlink configuration of the primary cell is configuration X, where X?{0, 1,2,3,4,5,6}, downlink subframes are configured on each FDD cell for a UE so that a network can send a PDCCH/a PDSCH for the UE only on the configured downlink subframes while the UE detects and receives the PDCCH/PDSCH on the configured downlink subframes.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Inventors: Shuqiang Xia, Bo Dai, Chunli Liang, Weiwei Yang
  • Patent number: 9628140
    Abstract: Disclosed are a method, system and device for determining an SRS frequency hopping pattern. The method includes: user equipment constructing a parent table which contains a plurality of child tables; determining an SRS frequency-domain reference position p according to NRBUL, CSRS, nRRC and bhop; calculating n?RRC according to NRBUL, CSRS and nRRC and selecting a child table from the parent table according to the n?RRC; according to the nSRS and the selected child table, taking n?SRS=(nSRS mod P)·S as an index to look up the table to obtain an SRS frequency hopping frequency-domain position offset q in each SRS frequency hopping period according to an SRS frequency hopping bandwidth parameter bhop and an SRS-bandwidth parameter BSRS distributed by an eNodeB; calculating r=p+q and calculating an SRS transmission frequency-domain subcarrier offset k0; repeating the processing for P times within one SRS frequency hopping period to obtain an SRS frequency hopping pattern.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: April 18, 2017
    Assignee: ZTE Corporation
    Inventors: Yining Xie, Chunli Liang
  • Patent number: 9621324
    Abstract: The disclosure discloses a method and device for transmitting uplink control information. The method includes that: uplink control information to be transmitted is determined on the basis of high layer signalling and/or a predefined rule, and the determined uplink control information is transmitted on a Physical Uplink Control Channel (PUCCH). The device for transmitting uplink control information includes: a determining unit configured to determine, on the basis of high layer signalling and/or a predefined rule, uplink control information to be transmitted; and a transmitting unit configured to transmit, on the PUCCH, the determined uplink control information. The disclosure can ensure the maximum system throughput, and can also reduce the feedback delay of downlink channel information.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 11, 2017
    Assignee: ZTE CORPORATION
    Inventors: Weiwei Yang, Bo Dai, Shuqiang Xia, Chunli Liang
  • Publication number: 20170094655
    Abstract: Disclosed is a data transmission method, including: obtaining subframe types of subframes for bearing data transmission; transmitting data on the subframes according to the subframe types; when the subframe types includes a first predefined subframe type and a first conventional subframe type, configuring a different value for an element in a transmission structure respectively used by the first predefined subframe type and the first conventional subframe type; when the subframe types includes a second predefined subframe type and a second conventional subframe type, configuring the second conventional subframe to be an uplink subframe or downlink subframe within preset time; configuring the second predefined subframe to switch between uplink and downlink within the preset time; and when the subframe types includes a third predefined subframe type and a third conventional subframe type, configuring maximum transmission power of the third predefined subframe to be less than that of the third conventional subfr
    Type: Application
    Filed: October 16, 2014
    Publication date: March 30, 2017
    Inventors: Bo DAI, Chunli LIANG, Weiwei YANG, YuNgok LI, Guanghui YU, Liujun HU, Shuqiang XIA
  • Patent number: 9596675
    Abstract: Disclosed are a method and device for sending hybrid automatic repeat request acknowledge information. The method includes: in a TDD system, configuring a terminal to employ a PUCCH format 1b with channel selection method to send HARQ-ACK information; bundling the HARQ-ACK information of downlink subframes of serving cells in a bundling window corresponding to a specified uplink subframe to obtain HARQ-ACK information to be sent by the serving cells; and sending the HARQ-ACK information over an uplink subframe via the PUCCH or PUSCH. By way of bundling the HARQ-ACK information of downlink subframes of serving cells in a bundling window corresponding to a specified uplink subframe, the disclosure can realize sending the HARQ-ACK information when serving cells with different uplink and downlink configurations are aggregated.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: March 14, 2017
    Assignee: ZTE CORPORATION
    Inventors: Weiwei Yang, Bo Dai, Bin Yu, Chunli Liang, Shuqiang Xia
  • Patent number: 9584265
    Abstract: Provided are a method and apparatus for sending Hybrid Automatic Repeat Request Acknowledge (HARQ-ACK) information. The method includes: when a terminal employs a physical uplink control channel (PUCCH) format 3 to transmit HARQ-ACK information and the HARQ-ACK information is transmitted over a uplink physical shared channel (PUSCH), determining the number of downlink subframes for serving cells to feed back the HARQ-ACK information; determining the number of encoded modulated symbols required for sending the HARQ-ACK information according to the determined number of downlink subframes; and mapping the HARQ-ACK information to be sent to the PUSCH of a specified uplink subframe according to the number of encoded modulated symbols and sending the HARQ-ACK information. The technical solutions provided by the disclosure are applied to improve the performance of the HARQ-ACK information, and thus improve the data performance.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: February 28, 2017
    Assignee: ZTE CORPORATION
    Inventors: Weiwei Yang, Bo Dai, Chunli Liang, Bin Yu, Shuqiang Xia
  • Publication number: 20170034727
    Abstract: The embodiments of the present document provide a method and apparatus for measuring channel state information, wherein the method includes: a terminal device determining one or more downlink subframes which are located before a subframe where aperiodic Channel State Information (CSI) report trigger information is located and belong to a specified subframe group to be CSI reference resources for the specified subframe group; and the terminal device acquiring a CSI measurement result on the CSI reference resources and generating a CSI report corresponding to the specified subframe group.
    Type: Application
    Filed: July 16, 2014
    Publication date: February 2, 2017
    Inventors: Yu Ngok LI, Weimin LI, Chunli LIANG, Wenfeng ZHANG
  • Patent number: 9537614
    Abstract: The disclosure discloses a method for sending a Hybrid Automatic Repeat Request Acknowledgement (HARQ-ACK) message in a Time Division Duplex (TDD) system and a User Equipment (UE), in order that the UE feeds back the HARQ-ACK message of each downlink serving cell and downlink subframe in Physical Uplink Control Channel (PUCCH) format 1b with channel selection in the TDD system. When there are more than 1 downlink subframes in a downlink subframe window corresponding to an uplink subframe, the feedback mode when the UE feeds back the HARQ-ACK message in format 1b with channel selection is determined through the configuration of the high layer or according to the result about whether the UE receives the Physical Downlink Shared Channel (PDSCH) from a secondary downlink serving cell.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: January 3, 2017
    Assignee: ZTE CORPORATION
    Inventors: Chunli Liang, Bo Dai, Weiwei Yang, Lu Ren
  • Publication number: 20160381561
    Abstract: The embodiments of disclosure disclose a method and device for processing information. The method includes that: according to a predefined rule, subframes of a first serving cell are divided into multiple subframe groups; a management mode is configured for each of the subframe groups; and according to the management mode configured for each of the subframe groups, information on the first serving cell is processed. By means of the embodiments of the disclosure, a problem that some downlink subframes in a serving cell cannot be scheduled is solved, and different requirements of all subframes can be met, thereby improving a performance of a system, and ensuring an efficiency of data transmission.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 29, 2016
    Applicant: ZTE CORPORATION
    Inventors: Weiwei YANG, Bo DAI, Shuqiang XIA, Chunli LIANG, Huiying FANG
  • Publication number: 20160337110
    Abstract: Disclosed are a resource management method and device and a computer storage medium. The method comprises: a node determining a resource management mode during carrier aggregation according to the type of a primary serving cell, and the node processing information according to the determined resource management mode.
    Type: Application
    Filed: July 23, 2014
    Publication date: November 17, 2016
    Inventors: Weiwei Yang, Chunli Liang, Bo Dai, Shuqiang Xia, Huiying Fang
  • Publication number: 20160329994
    Abstract: Disclosed are a method and device for response information transmission, a terminal, a base station and a storage medium. The method for response information transmission includes: when a time division duplex serving cell and a frequency division duplex serving cell are performing carrier aggregation and are configured to employ a physical uplink control channel (PUCCH) format 1b with channel selection mode for transmission of hybrid automatic repeat request-acknowledgement (HARQ-ACK) response information, determining HARQ-ACK response information transmitted on an uplink subframe by a first serving cell and a second serving cell, and transmitting the determined HARQ-ACK response information via a PUCCH or a physical uplink shared channel (PUSCH).
    Type: Application
    Filed: August 12, 2014
    Publication date: November 10, 2016
    Inventors: Weiwei Yang, Bo Dai, Chunli Liang, Shuqiang Xia, Huiying Fang