Patents by Inventor Xincai Li

Xincai Li 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: 9980254
    Abstract: The present document provides a method for transmitting control channels, method for processing transmission, communication node and terminal. The method for transmitting control channels includes: determining resources for transmitting the control channels according to predefined information and transmitting repeatedly the control channels multiple times on the determined resources for transmitting the control channels, the predefined information including at least one of following information: the number of repetitions of the control channels, control channel type, traffic channel type and traffic channel starting position.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: May 22, 2018
    Assignee: ZTE Corporation
    Inventors: Jing Shi, Bo Dai, Shuqiang Xia, Zhaohua Lu, Xincai Li
  • Patent number: 9930649
    Abstract: A base station determines a time domain position and a frequency domain position of an enhanced search space bearing downlink control information, and sends the downlink control information on the time domain position and the frequency domain position. With the present invention, the problem that a search space of a PDCCH area cannot be used to transmit downlink control information is solved by transmitting the downlink control information through an enhanced search space when an NCT is independently operated and a low-cost terminal is accessing a large bandwidth system.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: March 27, 2018
    Assignee: ZTE CORPORATION
    Inventors: Jing Shi, Bo Dai, Wei Gou, Zhaohua Lu, Shuqiang Xia, Xincai Li
  • Publication number: 20180027493
    Abstract: Provided are a data transmission method and device, a base station, and a User Equipment (UE). The method includes: sending a pre-scheduling signaling to a UE before competing for an unlicensed carrier, the pre-scheduling signaling for instructing the UE to transmit data on an unlicensed resource obtained by competition; and transmitting the data with the UE according to the pre-scheduling signaling.
    Type: Application
    Filed: December 10, 2015
    Publication date: January 25, 2018
    Inventors: Xincai LI, Wei GOU, Feng BI, Focai PENG, Ling YANG
  • Patent number: 9860049
    Abstract: A downlink control channel time-domain position determination method and device are disclosed. The method includes: a terminal determining a way for acquiring a time-domain position of a downlink control channel and/or a time-domain starting position of a downlink data channel corresponding to the downlink control channel according to a number of repetitions of resources corresponding to the downlink control channel and/or a downlink channel type; the terminal obtaining the time-domain position of the downlink control channel and/or the time-domain starting position of the downlink data channel in accordance with the way.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: January 2, 2018
    Assignee: Xi'an Zhongxing New Software Co., Ltd.
    Inventors: Xincai Li, Bo Dai, Shuqiang Xia, Jing Shi, Kun Liu, Huiying Fang
  • Publication number: 20170347355
    Abstract: Some embodiments provide a data transmission method and a data transmission site. In the method, a sub-frame occupation strategy is determined after a data transmission site successfully preempts an unlicensed carrier by executing Clear Channel Assessment or Extended Clear Channel Assessment (CCA/eCCA); and data transmission is performed according to the sub-frame occupation strategy.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 30, 2017
    Inventors: Wei GOU, Yajun ZHAO, Focai PENG, Xincai LI
  • Patent number: 9774983
    Abstract: The information processing method includes: an evolved NodeB sending information of PRACH resources configured for a UE to the UE via a PDSCH indicated by a downlink control channel, and after receiving a random access preamble sequence sent from the UE, the evolved NodeB sending downlink control information and a Random Access Response (RAR), wherein the downlink control channel is an enhanced Physical Downlink Control Channel (ePDCCH); or, information carried by PBCH indicates that the downlink control channel is the ePDCCH or a physical downlink control channel; or, when the LTE system bandwidth is less than or equal to the reception bandwidth of the UE, the downlink control channel is a physical downlink control channel, and when the LTE system bandwidth is larger than the reception bandwidth of the UE, the downlink control channel is the ePDCCH.
    Type: Grant
    Filed: December 25, 2012
    Date of Patent: September 26, 2017
    Assignee: ZTE Corporation
    Inventors: Xincai Li, Shuqiang Xia, Bo Dai, Huiying Fang
  • Publication number: 20170265223
    Abstract: An access method and device for User Equipment (UE) are provided. The method includes: a Physical Random Access Channel (PRACH) resource is selected according to a preset manner, wherein the PRACH resource is one of: a preamble resource, a preamble resource and one or more access time points, a preamble resource and one or more frequency-domain resources, and a preamble and one or more time-frequency resources; and an access is performed by adopting the PRACH resource.
    Type: Application
    Filed: March 19, 2015
    Publication date: September 14, 2017
    Inventors: Wen ZHANG, Shuqiang XIA, Bo DAI, Kun LIU, Huiying FANG, Xincai LI, Qian DAI, Zhaohua LU, Jianxun AI, Jing SHI, Shupeng LI
  • Publication number: 20170238345
    Abstract: A method and apparatus for transmitting a random access response are described. The method includes a node of a first type sending indication information of a random access response of a node of a third type through a downlink channel, wherein the indication information includes at least one of indication information of a set to which the node of the third type belongs, and resource position indication information of the random access response of the node of the third type, wherein the node of the third type is node of a second type in one or more sets P(j), 0?j?J?1, and J is a positive integer equal to or greater than 1.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 17, 2017
    Applicant: ZTE CORPORATION
    Inventors: Kun LIU, Bo DAI, Zhaohua LU, Shuqiang XIA, Jing SHI, Xincai LI, Huiying FANG
  • Patent number: 9674866
    Abstract: Disclosed is a subframe scheduling method, which includes: a network side configures a transmission mode, wherein the transmission mode includes at least a multi-subframe scheduling transmission way; the network side selects a corresponding control information format according to the transmission mode, transmits Downlink Control Information (DCI) corresponding to the control information format, and then performs subframe scheduling according to the DCI. Further disclosed are a subframe scheduling system, a network device and a terminal. By means of the disclosure, the multi-subframe scheduling can be used under the condition in which user channel state information is relatively stable, thereby being able to reduce control signalling overheads, save system resources and improve the scheduling flexibility.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: June 6, 2017
    Assignee: ZTE Corporation
    Inventors: Xincai Li, Bo Dai, Shuqiang Xia, Jing Shi
  • Patent number: 9572181
    Abstract: A method for transmitting an enhanced random access sequence and a machine type communication terminal, wherein node 1 generates an enhanced random access sequence according to a random access sequence and enhanced configuration information, and the node 1 sends the enhanced random access sequence on an enhanced random access channel. The embodiment of the present document performs an enhanced design on a random access channel in the LTE/LTE-A system to improve the access quality of a machine type communication terminal and ensure that a machine type communication terminal can normally access the system.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: February 14, 2017
    Assignee: ZTE Corporation
    Inventors: Kun Liu, Bo Dai, Shuqiang Xia, Jing Shi, Xincai Li, Huiying Fang
  • Publication number: 20160345325
    Abstract: Methods for transmitting and acquiring configuration information, an access method, a node and a system are provided, and relate to a random access technology in the field of wireless communications. The method for transmitting configuration information of a random access channel includes that: configuration information of a random access channel is transmitted, the configuration information of the random access channel including configuration information of a first type of levels. A computer storage medium is also provided.
    Type: Application
    Filed: July 23, 2014
    Publication date: November 24, 2016
    Inventors: Kun Liu, Bo Dai, Zhaohua Lu, Shuqiang Xia, Huiying Fang, Jing Shi, Xincai Li
  • Publication number: 20160330766
    Abstract: Methods, nodes, a system, and computer storage mediums for non-contention random access are provided. The method for non-contention random access includes that: a first node sends configuration information of non-contention random access to a second node through a downlink channel; and the second node obtains the configuration information of the non-contention random access, and sends a random access message on a Physical Random Access Channel (PRACH) according to the configuration information.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 10, 2016
    Inventors: Kun Liu, Bo Dai, Zhaohua Lu, Shuqiang Xia, Huiying Fang, Jing Shi, Xincai Li
  • Publication number: 20160286580
    Abstract: Disclosed are a method and system for allocating random access channel resources, wherein the method includes the following steps: a first node sending random access channel configuration information through a downlink channel, wherein the information includes at least configuration information of a random access channel allocated to a second node. The present document relates to the field of mobile communication. The technical solution according to the embodiment of the present document is applicable to a machine type communication (MTC) system, thereby solving the problem of an MTC user equipment (UE) receiving a random access response message, and achieving a receiving configuration of the random access response message in an improvement design.
    Type: Application
    Filed: May 23, 2014
    Publication date: September 29, 2016
    Inventors: Kun LIU, Bo DAI, Zhaohua LU, Shuqiang XIA, Huiying FANG, Jing SHI, Xincai LI
  • Publication number: 20160234837
    Abstract: The present invention provides a method, a base station, and a terminal for transmitting system information, wherein, the method includes: determining available system information retransmission resources (201); the base station predefining that part of or all of the available system information retransmission resources are used for retransmission of system information (202).
    Type: Application
    Filed: May 19, 2014
    Publication date: August 11, 2016
    Inventors: Huiying FANG, Bo DAI, Shuqiang XIA, Jing SHI, Xincai LI
  • Publication number: 20160219622
    Abstract: A method for processing a random access response message, a first node and a computer storage medium are provided. The method includes the following steps that: the first node transmits a random access response message through a downlink channel; the random access response message carries random access response information aiming at a second node.
    Type: Application
    Filed: May 20, 2014
    Publication date: July 28, 2016
    Inventors: Kun LIU, Bo DAI, Zhaohua LU, Shuqiang XIA, Huiying FANG, Jing SHI, Xincai LI
  • Publication number: 20160183250
    Abstract: The disclosure discloses a method for transmitting system information for transmitting system information, a system and a device. The method includes that: a position of a resource for repeatedly sending the system information for repeatedly sending system information in a transmission period for the system information is determined; and the system information is sent on the resource for repeatedly sending the system information for repeatedly sending system information.
    Type: Application
    Filed: May 9, 2014
    Publication date: June 23, 2016
    Inventors: Huiying Fang, Bo Dai, Shuqiang Xia, Jing Shi, Xincai Li
  • Publication number: 20160183231
    Abstract: The present document provides a method for transmitting control channels, method for processing transmission, communication node and terminal. The method for transmitting control channels includes: determining resources for transmitting the control channels according to predefined information and transmitting repeatedly the control channels multiple times on the determined resources for transmitting the control channels, the predefined information including at least one of following information: the number of repetitions of the control channels, control channel type, traffic channel type and traffic channel starting position.
    Type: Application
    Filed: May 20, 2014
    Publication date: June 23, 2016
    Inventors: Jing SHI, Bo DAI, Shuqiang XIA, Zhaohua LU, Xincai LI
  • Publication number: 20160182209
    Abstract: A downlink control channel time-domain position determination method and device are disclosed. The method includes: a terminal determining a way for acquiring a time-domain position of a downlink control channel and/or a time-domain starting position of a downlink data channel corresponding to the downlink control channel according to a number of repetitions of resources corresponding to the downlink control channel and/or a downlink channel type; the terminal obtaining the time-domain position of the downlink control channel and/or the time-domain starting position of the downlink data channel in accordance with the way.
    Type: Application
    Filed: June 17, 2014
    Publication date: June 23, 2016
    Inventors: Xincai LI, Bo DAI, Shuqiang XIA, Jing SHI, Kun LIU, Huiying FANG
  • Publication number: 20160183295
    Abstract: A method and system for configuring random access channel resources are disclosed, which relates to the field of communication and solves the problem of access of the MTC UE in LTE/LET-A systems. The method includes: first nodes sending random access channel resource configuration information to second nodes, wherein the random access channel resource configuration information is indicated by one or a plurality of pieces of random access channel configuration information. The technical scheme provided by the embodiment of the present invention is applicable to LTE/LTE-A networks, thereby implementing the random access channel resource configuration of the MTC UE in the LTE/LTE-A systems.
    Type: Application
    Filed: May 26, 2014
    Publication date: June 23, 2016
    Applicant: ZTE CORPORATION
    Inventors: Kun LIU, Bo DAI, Zhaohua LU, Shuqiang XIA, Huiying FANG, Jing SHI, Xincai LI
  • Publication number: 20160088660
    Abstract: A random access method and system are disclosed. The method includes: a second node sending a random access signaling to a first node; and the first node replying a random access response message to the second node, wherein random access response information of the second node is carried in the random access response message.
    Type: Application
    Filed: March 17, 2013
    Publication date: March 24, 2016
    Inventors: Kun LIU, Bo DAI, Shuqiang XIA, Zhaohua LU, Huiying FANG, Jing SHI, Xincai LI