Patents by Inventor Yongxia Lv

Yongxia Lv 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: 9203587
    Abstract: The present invention discloses a method and device for transmitting ACK/NACK indication information. A network-side device configures at least two carriers for a UE; transmits PDCCH information to the UE; selects one of at least two timing relationships as a first timing relationship; determines a corresponding third uplink subframe and first carrier; indicate related information corresponding to the third uplink subframe and the first carrier to the UE; in the third uplink subframe of the first carrier, determines a first channel resource, and indicates the first channel resource to the UE; and receives an ACK/NACK fed back by the UE on the allocated resource.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: December 1, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Guan, Yongxia Lv
  • Patent number: 9173227
    Abstract: A system compatibility method and apparatus are disclosed. The system compatibility method includes sending, according to a downlink resource configured in a new frame structure of a first system, information of a downlink resource carrier. The information of the downlink resource carrier includes information of a downlink resource carrier compatible with a second system. Information of an uplink resource carrier is received according to an uplink resource configured in the new frame structure of the first system. The information of the uplink resource carrier includes information of an uplink resource carrier compatible with the second system.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: October 27, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yongxia Lv, Xuehuan Wang, Xin Xiong, Junxian Mo, Qiyong Zhao
  • Patent number: 9172496
    Abstract: A information reporting method, base station and user equipment is provided in this invention. The method comprises sending the MAC layer carrier activation signaling to the UE, for activating a first CC of the UE, the MAC layer carrier activation signaling comprising CQI instruction information, for instructing the UE to report aperiodic CQI information of a second CC of the UE, so that the UE triggers to report aperiodic CQI information of the second CC of the UE upon receiving the MAC layer carrier activation signaling. With the information reporting method, base station and user equipment provided in an embodiment of this invention, the problem of slower report of CQI information of activated CCs can be addressed.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: October 27, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yongxia Lv, Yan Cheng
  • Patent number: 9148878
    Abstract: Embodiments of the present invention provide a method for detecting and sending control signaling, a user equipment, and a base station. The detecting method includes: obtaining, by a UE, a transmission mode of a data channel configured by a base station; determining, by the UE, a first DCI format and a second DCI format that are corresponding to the transmission mode, where PDCCH information corresponding to the first DCI format is transmitted in a precoding-based mode, and PDCCH information corresponding to the second DCI format is transmitted in a single-antenna port mode or transmit diversity mode based on non-precoding; and detecting, by the UE and in a subframe, PDCCH information corresponding to the first DCI format and the second DCI format according to a mode in which the PDCCH information is transmitted.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 29, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Guan, Yongxia Lv, Xiaofeng Chen, Yan Cheng
  • Patent number: 9131502
    Abstract: A method and related apparatuses for Contention Based (CB) uplink transmission are provided by the present invention. And the method includes: configuring CB user group numbers and configuring a same CB Radio Network Temporary Identifier (CB-RNTI) for multiple CB user groups; for the multiple CB user groups having the same CB-RNTI, configuring a same CB Grant. With the present invention, it is not necessary to send a CB Grant for every CB user group, so that the resource overhead for CB Grant transmission is reduced, and thus the occurring probability of scheduling blocking is reduced.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: September 8, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chaojun Li, Lei Guan, Yongxia Lv, Wei Quan
  • Patent number: 9107160
    Abstract: Embodiments of the present invention relates to an uplink synchronization method and apparatus, where the method includes: obtaining a timing advance of a second frequency point according to a timing advance of a first frequency point; and sending data at an uplink sending time corresponding to the timing advance of the second frequency point. According to embodiments of the present invention, the TA of the second frequency point can be obtained according to the TA of the first frequency point, and a RACH access process does not need to be performed at the second frequency point, which effectively reduces the network resources occupied by the RACH process, and shortens the produced delay, thereby improving the performance of the entire system.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: August 11, 2015
    Assignee: Huawei Technolgoies Co., Ltd.
    Inventors: Lei Wan, Yongxia Lv, Yunzhe Hou
  • Publication number: 20150195832
    Abstract: A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q?) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ?Q?/2?×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 9, 2015
    Inventors: Yan Cheng, Yongxia Lv
  • Patent number: 9059849
    Abstract: The present invention discloses a method, system and apparatus of multi-subframe scheduling. The method of multi-subframe scheduling comprises: sending a terminal a continuous scheduling indication, a first Hybrid Automatic Repeat Request (HARQ) process number corresponding to a first scheduled subframe, and a scheduling configuration parameter of multi-subframe scheduling; acquiring a second HARQ process number corresponding to a currently-scheduling subframe according to the first HARQ process number corresponding to the first scheduled subframe and the continuous scheduling indication, and performing a data packet transmission of the corresponding second HARQ process number in the currently-scheduling subframe by using the scheduling configuration parameter, each scheduled subframe of the multi-subframe scheduling carrying one data packet, and each scheduled subframe of the multi-subframe scheduling using the scheduling configuration parameter.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: June 16, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Bo Li, Yongxia Lv, Yuhua Chen, Chaojun Li
  • Publication number: 20150156756
    Abstract: Embodiments of the present invention provide a method for transmitting a sounding signal, a base station and a user equipment, including: receiving a trigger message transmitted by a base station, where the trigger message comprises instruction information, the instruction information is used for instructing at least one UE in a group of user equipments UEs to transmit a sounding signal, and the group of user equipments comprises at least two user equipments; and transmitting the sounding signal to the base station according to the instruction information. According to the method for transmitting the sounding signal, the base station and the user equipment provided by embodiments of the present invention, an eNodeB may trigger at least one UE in a group of UEs to transmit a sounding signal according to a certain rule on a PDCCH, thereby improving efficiency.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Inventors: Wen ZHANG, Yongxia LV
  • Publication number: 20150139136
    Abstract: This application provides a method for transmitting feedback information for downlink data, a terminal, and a base station. The method includes: receiving, by a terminal from a base station, DCI used for downlink data group scheduling and location information of a first feedback resource, where the DCI is used to indicate a scheduling condition of each terminal in a scheduling group to which the terminal belongs; receiving, by the terminal according to the DCI, downlink data sent by the base station; and sending, by the terminal according to the scheduling condition, feedback information for the downlink data by using the feedback resource indicated by the location information of the first feedback resource.
    Type: Application
    Filed: December 19, 2014
    Publication date: May 21, 2015
    Inventors: Wen Zhang, Yongxia Lv
  • Publication number: 20150110055
    Abstract: Embodiments of the present application provided a method for downlink control information transmission, a base station and a terminal. In one aspect, by acquiring subframe configuration information of a terminal, where the subframe configuration information is used for indicating a first subframe for transmitting common control information and a second subframe for transmitting dedicated control information, the embodiments of the present application enable the common control information to be transmitted to the terminal over the first subframe and/or enable the dedicated control information to be transmitted to the terminal over the second subframe according to the subframe configuration information, thereby achieving downlink control information transmission between the base station and the terminal.
    Type: Application
    Filed: December 23, 2014
    Publication date: April 23, 2015
    Inventors: Yongxia Lv, Brian Classon, Wen Zhang
  • Patent number: 9014057
    Abstract: A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q?) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ?Q?/2?×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: April 21, 2015
    Assignee: Huawei Technologies Co. Ltd
    Inventors: Yan Cheng, Yongxia Lv
  • Publication number: 20150092740
    Abstract: Embodiments of the present invention disclose a method for retransmitting a message, mainly including notifying, by a terminal, a base station that the terminal is a narrowband terminal when sending a random access preamble to the base station; and when the base station subsequently detects that an error occurs to a message 3 sent by the terminal, instructing, by the base station, through a message 3 retransmission indicator, the terminal to retransmit the message 3, or retransmitting, by the terminal, the message 3 to the base station in a manner for actively retransmitting the message 3.
    Type: Application
    Filed: December 6, 2014
    Publication date: April 2, 2015
    Inventors: Yue Li, Song Zhu, Xin Xiong, Yongxia Lv
  • Publication number: 20150092762
    Abstract: A transmission control method may include: determining, by an access device, a distribution of a downlink transmission time slot in a first subframe of a first wireless frame, where the first subframe is a special subframe in a case that the first wireless frame has a first configuration periodicity, or the first subframe is a downlink subframe in a case that the first wireless frame has a second configuration periodicity; generating, by the access device, control information for indicating the determined distribution of the downlink transmission time slot in the first subframe; and sending, by the access device, the first wireless frame to a user terminal, where the control information is carried in a downlink control channel of the first subframe of the first wireless frame, or the control information is carried in a previous subframe of the first subframe of the first wireless frame.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 2, 2015
    Inventors: Yang Li, Xiaobo Chen, Yongxia Lv
  • Patent number: 8982769
    Abstract: A method, base station, and relay device for receiving physical uplink control information are disclosed in the present invention. The method includes: selecting a PUCCH resource of the relay, where the PUCCH resource can form multiplexing with a first resource, and the first resource includes the PUCCH resource occupied by a 3GPP LTE terminal when the terminal transmits the physical uplink control information in a first format; determining a channel index corresponding to the PUCCH resource of the relay; transmitting notification information to the relay, where the notification information includes the channel index; and receiving the physical uplink control information transmitted, according to the channel index, by the relay. In the embodiments of the present invention, the interference between the PUCCH format 1/1a/1b channel of the relay and that of the LTE R8 terminal is effectively reduced.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: March 17, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yongxia Lv, Yumei Miao
  • Patent number: 8982808
    Abstract: A method for transmitting a signal and a communications apparatus are provided. The method includes: obtaining a signal transmission mode, where the signal transmission mode indicates that an uplink signal is transmitted in a multiplexing mode; and transmitting the uplink signal on an uplink band and a downlink band in the multiplexing mode according to the obtained signal transmission mode. The communications apparatus includes: a first obtaining unit, configured to obtain a signal transmission mode, where the signal transmission mode indicates that an uplink signals is transmitted in a multiplexing mode; and a transmitting unit, configured to transmit the uplink signal on an uplink band and a downlink band in the multiplexing mode according to the obtained signal transmission mode. The technical solutions of embodiments of the present invention can reduce signaling overheads of the system and improve spectrum efficiency of the system when obtaining channel state information (CSI).
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: March 17, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Xiaotao Ren, Yongxia Lv, Yunzhe Hou
  • Publication number: 20150063269
    Abstract: The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe.
    Type: Application
    Filed: November 5, 2014
    Publication date: March 5, 2015
    Inventors: Yan Cheng, Yongxia Lv, Xiaobo Chen
  • Publication number: 20150009939
    Abstract: The present invention discloses a method for indicating resource assignment, comprising: obtaining, by a network side device, the number N0 of a resource block RB that the network side device can assign to one UE and the one UE can schedule in maximum; calculating, by the network side device, a resource indication value RIV according to the number N0 of the RB the network side device can assign to the UE and the UE can schedule in maximum and the number NRB of resource blocks corresponding to a bandwidth the network side device can assign to all UEs for use; and sending the calculated resource indication value RIV to the one user equipment. In contrast to the prior art, it may save the number of bits used by the resource indication and lower signaling cost.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 8, 2015
    Inventors: Wen ZHANG, Yongxia LV
  • Patent number: 8913580
    Abstract: The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: December 16, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yan Cheng, Yongxia Lv, Xiaobo Chen
  • Publication number: 20140362792
    Abstract: The present application discloses a method for transmitting uplink control information, a user equipment, and a base station. The method includes: receiving a physical downlink control channel sent by a base station, where the physical downlink control channel includes indication information, where the indication information is used to indicate a physical uplink control channel resource used to transmit uplink control information; obtaining, according to the indication information and whether the uplink control information includes periodic channel state information, a physical uplink control channel resource used to transmit the uplink control information from a semi-statically configured first resource group and/or second resource group; and sending the uplink control information to the base station over a physical uplink control channel corresponding to the physical uplink control channel resource.
    Type: Application
    Filed: July 14, 2014
    Publication date: December 11, 2014
    Inventors: Yan Cheng, Yongxia Lv