Patents by Inventor Qian Dai

Qian Dai 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: 20190124711
    Abstract: The present invention provides a method and an apparatus for obtaining and sending a resume identifier, a user equipment, an access network device, and a computer storage medium. The method comprises: obtaining a resume identifier from a first access network device before the first access network device initiates a radio resource control (RRC) connection suspension process or an RRC connection release process, the resume identifier being used for resuming an RRC connection between a user equipment and the first access network device and corresponding to context information stored locally on the first access network device.
    Type: Application
    Filed: March 22, 2017
    Publication date: April 25, 2019
    Inventor: Qian DAI
  • Publication number: 20190081660
    Abstract: A method and device for transmitting information, comprising: firstly, determining a predefined pattern for carrying information; wherein the predefined pattern comprises a predefined sequence, or the time-frequency structure of a predefined reference symbol (RS), and the information comprises an acknowledgment message (ACK) or a non-acknowledgment message (NACK); and then transmitting the predefined pattern carrying the information on a preset time-frequency domain resource.
    Type: Application
    Filed: September 5, 2016
    Publication date: March 14, 2019
    Inventors: Xianghui Han, Shuqiang Xia, Bo Dai, Wen Zhang, Jing Shi, Qian Dai, Wei Gou
  • Publication number: 20190045575
    Abstract: A method, apparatus, and system for data transmission, applicable to the UE, comprising: the UE transmitting the uplink interface message to the MME through the base station; the uplink interface message includes instructions to switch data transmission modes, wherein the data transmission modes comprise the Control Plane (CP) mode, the User Plane (UP) mode, and/or the Long-Term Evolution (LTE) mode; the UE receiving the downlink Radio Resource Control (RRC) message transmitted by the base station, wherein, the downlink RRC message includes instructions to switch data transmission modes; the UE switching data transmission modes based on the data transmission mode-switch instructions, and using the data transmission mode after switching to implement data transmission.
    Type: Application
    Filed: November 15, 2016
    Publication date: February 7, 2019
    Applicant: ZTE CORPORATION
    Inventors: Meiqing HUANG, Qian DAI, Yuanfang Yu
  • Publication number: 20190045341
    Abstract: A method, apparatus, and system for data transmission, wherein the method comprises: the network-side network element determining the target data transmission mode; the network-side network element sending instruction information to the terminal through the base station transmission in order to instruct the terminal to switch to the target data transmission mode with which to implement data transmission; wherein, the target data transmission mode is NarrowBand IoT (NB-IoT) data transmission or Long-Term Evolution (LTE) data transmission.
    Type: Application
    Filed: November 16, 2016
    Publication date: February 7, 2019
    Inventors: Meiqing HUANG, Qian DAI, Yuanfang YU, Yin GAO
  • Publication number: 20190029051
    Abstract: The present disclosure provides a method and an apparatus for random access. The method includes: a communication node obtaining random access information, wherein, the random access information comprises the subframe sequence number of the preamble transmission and the radio frame sequence number of the preamble transmission, or the random access information comprises a time domain position index and a frequency domain position index for sending the preamble; the communication node determining the random access radio network temporary identity (RA-RNTI) according to the random access information.
    Type: Application
    Filed: January 13, 2017
    Publication date: January 24, 2019
    Inventors: Ting LU, Bo DAI, Yuanfang YU, wei ZOU, Qian DAI
  • Publication number: 20180352590
    Abstract: Embodiments of the disclosed technologies provide a carrier frequency selecting method and apparatus. The method comprises: determining, by UE, whether information of a service carrier frequency sent by a base station is received, wherein the service carrier frequency is the carrier frequency to carry traffic selected by the base station when a target cell carrying the UE is a multi-carrier cell; residing, by the UE, at a carrier frequency corresponding to the information for a service carrier frequency, if so; and, otherwise, residing, by the UE, at an original camped carrier frequency. With the embodiments of the disclosed technologies, the problem that a service carrier frequency selecting strategy in related techniques is to perform selection passively and lacks initiative is solved, and a technical basis for balancing loads on carrier frequencies carrying traffic is provided and further system efficiency is enhanced for an NB-IoT system, which is mainly to transmit small data.
    Type: Application
    Filed: August 6, 2018
    Publication date: December 6, 2018
    Inventors: Xiubin Sha, Bo Dai, Qian Dai, Jianxun Ai, Lianbin Xiao, Ting Lu, Zhongda Du, Yuanfang Yu, Parolari Sergio
  • Publication number: 20180331799
    Abstract: The present invention provides a reference signal transmitting method and device, and a reference signal receiving method and device. The transmitting method comprises: determining the position of a time-frequency resource for a reference signal a transmission time interval (TTI) according to a preset manner; and transmitting the reference signal according to the position of the time-frequency resource. The present invention solves the problem in the related art of high processing delay of a user equipment (UE) that occurs because a DMRS is later-positioned, and reduces the processing delay of the UE.
    Type: Application
    Filed: November 3, 2016
    Publication date: November 15, 2018
    Inventors: Wen Zhang, Shuqiang Xia, Bo Dai, Qian Dai, Jing Shi, Xianghui Han
  • Publication number: 20180316539
    Abstract: Embodiments of the present invention disclose a synchronization signal transmission and detection method, transmission end, and receiving end. The synchronization signal transmission method includes: transmitting on M consecutive transmission symbols, a synchronization signal or a part of the synchronization signal, wherein M is an integer not less than 2, the transmission symbols include a cyclic prefix and a useful symbol portion, and the content carried in the cyclic prefix is the content in the last part of the useful symbol. The embodiments of the present invention also provide a computer storage medium.
    Type: Application
    Filed: October 26, 2016
    Publication date: November 1, 2018
    Inventors: Xianghui Han, Shuqiang Xia, Wen Zhang, Bo Dai, Qian Dai, Jing Shi
  • Patent number: 10117151
    Abstract: The provided are method and device for processing information interaction, the offloading processing method and device, a base station, an RNC and UE. The method for processing information interaction includes that: a target side network element for handover of UE receives at least one of the following source side information sent by a source side network element: WLAN auxiliary information, offloading rule information, WLAN measurement report information, offloading decision information and information indicating a capability in supporting interoperation with a WLAN; and/or, the target side network element sends at least one of the following target side information to the source side network element: WLAN auxiliary information, load information, offloading rule information, measurement configuration information, offloading decision information and information indicating a capability in supporting interoperation with the WLAN.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: October 30, 2018
    Assignee: ZTE CORPORATION
    Inventors: Jun Yao, Qian Dai, Yunpeng Cui
  • Patent number: 10117150
    Abstract: Disclosed in the present disclosure is a mobility optimization method. The method includes that a User Equipment (UE) having a small data feature performs, when determining that a cell supporting an optimized small data processing capability exists in candidate cells during execution of cell reselection, the cell reselection according to information of a small data priority cell reselection principle.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: October 30, 2018
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO. LTD.
    Inventors: Yunpeng Cui, Qian Dai, Lei Mao
  • Publication number: 20180310282
    Abstract: A downlink control method and apparatus are disclosed. The method includes: a base station determining at least one downlink control channel in a first downlink control channel and a second downlink control channel, including: determining to use the second downlink control channel in a short transmission time interval (TTI) which is out of a scheduling range of the first downlink control channel, or determining the downlink control channel used in the short TTI according to pre-definition or system configuration information; and the base station transmitting downlink control information (DCI) by using the determined downlink control channel.
    Type: Application
    Filed: August 10, 2016
    Publication date: October 25, 2018
    Inventors: Jing SHI, Shuqiang XIA, Wei GOU, Bo DAI, Qian DAI
  • Patent number: 10097317
    Abstract: A data sending method includes: sending data blocks by taking a TTI as a unit, wherein the TTI includes N symbols with cyclic prefixes, Tmin<=T<=Tmax, Tmin=(13×N×L)/3, Tmax=200/K, N is a positive integer not smaller than 1 and not greater than formula (I), T represents the TTI, L represents an average value of the cyclic prefixes of the N symbols with cyclic prefixes, L<=6, formula (II) represents rounding down, K is a constant, 2<K<=7, and the unit of each of T, L, Tmin and Tmax is microsecond (?s). Also provided are a data receiving method, a data transmission method, a data sending apparatus, a data receiving apparatus, a data transmission system, and a computer storage medium.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 9, 2018
    Assignee: ZTE Corporation
    Inventors: Shuqiang Xia, Jing Shi, Bo Dai, Qian Dai
  • Publication number: 20180288808
    Abstract: Provided are a random access method, apparatus and system. The method includes: receiving, by a user equipment, configuration information of a Physical Random Access Channel (PRACH) dedicated for a super real-time service and/or configuration information of a preamble dedicated for the super real-time service notified by a base station; and when the user equipment has the super real-time service and has a short Transmission Time Interval (TTI) support capability, by the user equipment, transmitting a preamble to the base station through a PRACH resource dedicated for the super real-time service or transmitting the preamble dedicated for the super real-time service to the base station according to the configuration information of the PRACH dedicated for the super real-time service and/or the configuration information of the preamble dedicated for the super real-time service, so as to trigger the base station to allocate a short TTI resource to the user equipment.
    Type: Application
    Filed: April 12, 2016
    Publication date: October 4, 2018
    Inventors: Xu LIU, Qian DAI, Jianxun AI, Wei ZOU
  • Publication number: 20180234213
    Abstract: Provided are a hybrid automatic repeat request timing method and apparatus. The method comprises: in the case where a device detects physical shared channel transmission within a first target transmission time interval (TTI), the device transmitting an acknowledgement instruction (ACK) response or a negative acknowledgement instruction (NACK) response of a hybrid automatic repeat request (HARQ) of a corresponding physical shared channel within the (pre-set number)th TTI after a second target TTI, wherein the number of symbols L1 contained in a TTI for downlink data transmission and the number of symbols L2 contained in a TTI for uplink data transmission satisfy the following condition: LI?{1, 2, 3, 4, 5, 6, 7}, I=1 or 2. According to the embodiments of the present invention, the problem in the relevant art that an HARQ timing relationship cannot satisfy the further shortening of a TTI length is solved.
    Type: Application
    Filed: April 13, 2018
    Publication date: August 16, 2018
    Inventors: Xianghui Han, Shuqiang Xia, Bo Dai, Qian Dai, Wen Zhang, Jing Shi
  • Publication number: 20180213572
    Abstract: A method and system for data transmission are disclosed, the method comprising: the network side transmits pre-scheduling authorization information and conflict resolution information to user equipment; and the network side receives data transmitted by the user equipment on the resource indicated by the pre-scheduling authorization information on the basis of the codebook configuration information carried in the conflict resolution information.
    Type: Application
    Filed: March 21, 2016
    Publication date: July 26, 2018
    Inventors: Fang Zhang, Qian Dai
  • Patent number: 10034243
    Abstract: A method and a device for interworking between access technology networks are disclosed. The method includes: a decision-making entity for interworking between a first access technology network and a second access technology network judging whether it is required to adopt a terminal power saving priority principle, and when determining to adopt the terminal power saving priority principle, triggering an interworking process between the first access technology network and the second access technology network only when a preset triggering event occurs.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: July 24, 2018
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO. , LTD.
    Inventors: Qian Dai, Jun Yao, Yunpeng Cui, Ting Lu
  • Publication number: 20180206290
    Abstract: The disclosed techniques provide a method and device for reporting information and for discontinuous transmission. In the disclosed techniques, at least one of the following information is to be added to the random access procedure or the RRC connection related procedure, that is the information about data amount available for transmission, Power headroom, data amount available for transmission and the power headroom, whether SingleTone or MultiTone is supported, whether CP transmission mode or UP transmission mode is configured, where the RRC connection related procedure includes, but is not limited to, any of the following, that is the procedure of RRC connection, RRC connection reestablishment, RRC connection resume. Reporting the uplink message solves the problem of reporting the information about the data available for transmission and/or power headroom in the random access procedure or RRC connection related procedure.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Inventor: Qian Dai
  • Patent number: 10021607
    Abstract: Provided are a method and device for processing measurement configuration. The method includes: after a HO flow or a reselection flow is triggered in a source cell, UE processes a WLAN interworking mechanism measurement configuration in at least one of manners as follows: the UE continues using a current WLAN interworking mechanism measurement configuration; the UE modifies a target frequency point in the current WLAN interworking mechanism measurement configuration into the whole frequency band for measurement; the UE requests for a WLAN interworking mechanism measurement configuration corresponding to a target cell; and the UE suspends WLAN interworking mechanism measurement until the UE receives the WLAN interworking mechanism measurement configuration corresponding to the target cell.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: July 10, 2018
    Assignee: ZTE CORPORATION
    Inventors: Qian Dai, Jun Yao, Yunpeng Cui, He Huang
  • Publication number: 20180184461
    Abstract: A random access method comprises: transmitting, by a firstuser equipment (UE) in a UE group, and according to a time-frequency resource, a preamble to an evolved node B (eNB); and monitoring, by a second UE in the UE group and/or the first UE, for a random access response (RAR) corresponding to the preamble transmitted by the eNB, wherein the first UE is at least one UE in the UE group, and the second UE is all or a part of the UEs in the UE group.
    Type: Application
    Filed: May 13, 2016
    Publication date: June 28, 2018
    Inventors: Wen Zhang, Shuqiang Xia, Bo Dai, Qian Dai, Zhaohua Lu, Kun Liu, Xianming Chen, Jing Shi, Xincai Li, Huiying Fang
  • Publication number: 20180027575
    Abstract: A method of transmitting and controlling uplink data includes: a base station allocating shared resources for transmitting the uplink data to at least two terminals in a cell; and the base station configuring the at least two terminals to transmit the uplink data without grant on the shared resources.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 25, 2018
    Applicant: ZTE CORPORATION
    Inventors: Jing SHI, Shuqiang XIA, Bo DAI, Qian DAI, Wen ZHANG, Kun LIU