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).

  • Publication number: 20120243511
    Abstract: In the field of wireless communication, a method and an apparatus for transmitting Uplink Control Information (UCI) are provided. The method includes: determining a codeword corresponding to the UCI among multiple codewords according to a preset rule when the UCI is transmitted on a Physical Uplink Shared Channel (PUSCH) with the multiple codewords (101); and transmitting the UCI by mapping the UCI onto the corresponding codeword (102). The apparatus includes a determining unit and a transmitting unit. The method and the apparatus provide a solution to transmitting UCI on a PUSCH with multiple codewords. This solution can be implemented easily based on LTE R8, without involving too much additional work of standardization.
    Type: Application
    Filed: June 5, 2012
    Publication date: September 27, 2012
    Inventors: Yongxia LV, Yan Cheng
  • Publication number: 20120134306
    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: February 3, 2012
    Publication date: May 31, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Yan Cheng, Yongxia Lv
  • Publication number: 20120127938
    Abstract: A multi-subframe scheduling method includes receiving Physical Downlink Control Channel (PDCCH) information which is sent by a base station and includes time domain resource indication information. The time domain resource indication information is used to indicate information of multiple subframes scheduled by the PDCCH information. Data is transmitted and received, according to the PDCCH information, on the multiple subframes scheduled by the PDCCH information.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 24, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yongxia Lv, Xiaoan Fan, Bo Li
  • Publication number: 20120093067
    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: Application
    Filed: October 27, 2011
    Publication date: April 19, 2012
    Inventors: Yongxia Lv, Yumei Miao
  • Publication number: 20120087270
    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: Application
    Filed: October 24, 2011
    Publication date: April 12, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Yongxia Lv, Yunzhe Hou
  • Publication number: 20120082071
    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: Application
    Filed: December 12, 2011
    Publication date: April 5, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yongxia Lv, Xuehuan Wang, Xin Xiong, Junxian Mo, Qiyong Zhao
  • Publication number: 20120082121
    Abstract: A method and a user terminal for implementing an uplink resource grant (ul grant) are provided. The method includes a user terminal receiving an ul grant from a base station, the ul grant including an uplink resource index; the user terminal identifying from the received uplink resource index, a corresponding group of at least one uplink subframe, by referring to a pre-defined relationship between the uplink resource index and the corresponding group, the received uplink resource index having one of a plurality of values, the pre-defined relationship correlating each value of the uplink resource index with a respective one of a plurality of groups, each group having a unique uplink subframe grouping; and sending to the base station, by the user terminal, data on each of the at least one uplink subframes in the identified group.
    Type: Application
    Filed: December 14, 2011
    Publication date: April 5, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Meng ZHAO, Yongxia LV, Xiaobo CHEN
  • Publication number: 20120076225
    Abstract: A method, an apparatus and a system for transmitting information bits are provided. The method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end.
    Type: Application
    Filed: December 9, 2011
    Publication date: March 29, 2012
    Inventors: Xiaofeng CHEN, Yongxia LV, Yan Cheng
  • Publication number: 20120057647
    Abstract: A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 8, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiaofeng Chen, Yongxia Lv, Yan Cheng
  • Publication number: 20120039236
    Abstract: A method and an equipment for notifying a purpose of a subframe, and a method and an equipment for processing a subframe are disclosed. The method includes: sending a broadcast message to a user equipment (UE), where the broadcast message carries indication information indicating a purpose of a Multicast Broadcast Single Frequency Network (MBSFN) subframe; and sending a radio frame to the UE, wherein the radio frame carries the MBSFN subframe which serves the purpose indicated by the indication information. The technical solutions of the present invention enable the UE to be notified of the true purpose of the MBSFN subframe, and improve communication reliability.
    Type: Application
    Filed: October 21, 2011
    Publication date: February 16, 2012
    Inventor: Yongxia LV
  • Publication number: 20120002660
    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: Application
    Filed: September 16, 2011
    Publication date: January 5, 2012
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei WAN, Xiaotao Ren, Yongxia LV, Yunzhe Hou
  • Publication number: 20120002662
    Abstract: The present invention discloses a method and an apparatus for coexistence of multiple operating entity systems, where the method includes: setting part or all of bandwidths of an operating entity in uplink timeslots of a downlink carrier frequency interference region to be in an idle state. By using the present invention, the uplink timeslots of the operating entity in the downlink carrier frequency interference region are set to be in an idle state and do not transmit an uplink transmit signal any longer, which prevents a downlink transmit signal of another operating entity from interfering with an uplink transmit signal of the operating entity.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 5, 2012
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Lei Wan, Yunzhe Hou, Xiaotao Ren, Yongxia Lv, Yang Li
  • Publication number: 20110317597
    Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for identifying different frame structures to ensure backward compatibility of an LTE-advanced (LTE-A) network. The method for identifying different frame structures includes: receiving a radio frame on a frequency division duplex (FDD) downlink carrier, where the radio frame includes an identifier of a frame structure; and identifying the frame structure according to the identifier of the frame structure included in the radio frame. Embodiments of the present invention also disclose a user equipment (UE), an evolved NodeB (eNB), and a system for identifying different frame structures. Through the technical solutions provided by embodiments of the present invention, LTE-A users can identify the frame structure carried on the FDD downlink carrier when accessing the network initially, but LTE users are unaware of the change of the frame structure.
    Type: Application
    Filed: September 9, 2011
    Publication date: December 29, 2011
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lei WAN, Yongxia LV
  • Patent number: 8068548
    Abstract: A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: November 29, 2011
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiaofeng Chen, Yongxia Lv, Yan Cheng
  • Publication number: 20110280212
    Abstract: An access method and a system for User Equipment (UE), and a network access device are disclosed. The access method for UE includes: sending a second Random Access Channel (RACH) message that carries Transmission Time Interval (TTI) bundling setting information to a UE after receiving a first RACH message from the UE; and receiving a third RACH message transmitted by the UE in a mode indicated by the TTI bundling setting information. With the access method and system for UE and the network access device, the second RACH message carries TTI bundling setting information so that the UE may send the third RACH message in a TTI bundling mode. Therefore, the time of random access is effectively saved. Moreover, when a UE is power-limited, the UE may send the third RACH message in a TTI bundling mode, so that the random access rate of the UE is improved.
    Type: Application
    Filed: August 1, 2011
    Publication date: November 17, 2011
    Applicant: Huawei Technologies Co., Ltd.
    Inventor: Yongxia LV
  • Publication number: 20110216724
    Abstract: A method, a base station (BS), and a user terminal for implementing uplink resource indication are provided. The method includes: carrying an uplink resource index in a ul grant, in which the uplink resource index is corresponding to at least one uplink resource in terms of indication; and sending the ul grant. The BS includes an index carrying module and an instruction sending module.
    Type: Application
    Filed: May 11, 2011
    Publication date: September 8, 2011
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Meng Zhao, Yongxia Lv, Xiaobo Chen
  • Publication number: 20110211499
    Abstract: A method, a base station (BS), and a user terminal for implementing uplink resource indication are provided. The method includes: carrying an uplink resource index in a ul grant, in which the uplink resource index is corresponding to at least one uplink resource in terms of indication; and sending the ul grant. The BS includes an index carrying module and an instruction sending module. The user terminal includes an instruction receiving module, an instruction resolving module, and an execution module.
    Type: Application
    Filed: May 11, 2011
    Publication date: September 1, 2011
    Applicant: Huawei Technologies Co., Ltd
    Inventors: Meng Zhao, Yongxia Lv, Xiaobo Chen
  • Publication number: 20090274078
    Abstract: A method, a base station (BS), and a user terminal for implementing uplink resource indication are provided. The method includes: carrying an uplink resource index in an uplink resource grant indication (ul grant), in which the uplink resource index is corresponding to at least one uplink resource in terms of indication; and sending the ul grant. The BS includes an index carrying module and an instruction sending module. The user terminal includes an instruction receiving module, an instruction resolving module, and an execution module.
    Type: Application
    Filed: July 16, 2009
    Publication date: November 5, 2009
    Inventors: Meng ZHAO, Yongxia Lv, Xiaobo Chen