Patents by Inventor Yajuan Li

Yajuan 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).

  • Publication number: 20160235633
    Abstract: A cosmetic composition is disclosed comprising particle active and cosmetically acceptable carrier comprising hydrophobic material, wherein the hydrophobic material comprises less than 15% liquid oil by weight of the composition. The particle active comprises (i) water-insoluble shell component comprising inorganic material and having a refractive index of from 1.3 to 1.8; and (ii) core component comprising volatile liquid and having a refractive index of at least 1.2.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 18, 2016
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Florian Hudelist, Yajuan LI, Zhaoting LIU, Sheng MENG, Qiang QIU, Lin WANG, Xiaoli WANG, Chunwei WU
  • Patent number: 9414271
    Abstract: In the field of communications technologies, a method and a device for handling messages are provided. The method includes: a notification indicating whether an X2 interface to a neighbor node is available is received; using an S1 interface to send information when the X2 interface is unavailable; and receiving a notification indicating whether an S1 interface to a neighbor node is available, and using an X2 interface to send information when the S1 interface is unavailable. The solutions can ensure normal communication, and reduce possibility of communication failure.
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: August 9, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangliang Zhang, Zhuo Chen, Yajuan Li, Junren Chang, Yan Wang, Yan Peng
  • Patent number: 9414270
    Abstract: In the field of communications technologies, a message handling method and a message handling device are provided. The method includes: a notification indicating whether an X2 interface to a neighbor node is available is received; using an S1 interface to send information when the X2 interface is unavailable; and/or receiving a notification indicating whether an S1 interface to a neighbor node is available, and using an X2 interface to send information when the S1 interface is unavailable. The technical solutions can ensure normal communication, and reduce possibility of communication failure.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: August 9, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangliang Zhang, Zhuo Chen, Yajuan Li, Junren Chang, Yan Wang, Yan Peng
  • Patent number: 9402208
    Abstract: A handover method and a base station are provided. The handover method may include: when a UE needs to be handed over, obtaining bearer context information of the UE in a first base station; sending a handover request to a target base station, where the handover request carries the bearer context information; and after receiving a handover response that is returned by the target base station and indicates that the handover is agreed to, sending a handover command to the UE so that the UE is handed over to the target base station. Based on the above technical solutions, the UE handover can be implemented quickly in the case of using multiple carriers and the current service of the UE can be recovered quickly, which can improve communication experience of a user.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: July 26, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangliang Zhang, Junren Chang, Yajuan Li, Yongping Zhang
  • Publication number: 20160157120
    Abstract: Disclosed are measurement method and device, information interchange method and device and residence method and device. The measurement method includes configuring measurement configuration information about a UE and sending same, the measurement configuration information including a measurement report trigger condition for a reference cell, so that the UE reports a measurement result when satisfying the measurement report trigger condition. The information interchange method includes interchanging discontinuous data transmission parameter configuration information with a fourth base station, so that a base station side executes scheduling and/or mobility management on a user equipment. The residence method includes sending indication information to a UE, the indication information being used for indicating whether the UE can reside in this cell or not, an object of the UE that can be resident, an object of the UE that cannot be resident, and at least one of the size and type of the cell.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 2, 2016
    Inventors: Jie SHI, Li CHAI, Yajuan LI, Hao BI, Bo LIN
  • Publication number: 20160087770
    Abstract: A method, a system and an apparatus can be used for transmitting data in a CA manner. A first base station currently serving a user equipment (UE), creates EPS bearers under different component carriers CC Groups for the UE. The UE sets different access stratum entities corresponding to the CC Groups to process data in the process of creating the EPS bearers. The UE determines, when transmitting or receiving data, a corresponding CC Group according to an EPS bearer that bears the data. An access stratum entity corresponding to the CC Group processes the data that needs to be transmitted or received, a site is a first base station currently serving the UE or a second base station currently serving the UE.
    Type: Application
    Filed: November 24, 2015
    Publication date: March 24, 2016
    Inventors: Junren Chang, Yajuan Li, Yongping Zhang, Liangliang Zhang
  • Publication number: 20160088681
    Abstract: Embodiments of the present invention disclose a method and an apparatus for determining an active time of UE, where the method includes: acquiring extension information of a DTX active time of a base station; and adjusting a DTX active time of the UE according to the extension information, and using an overlapped time between the DTX active time of the UE and a DRX active time of the UE as an active time of the UE for listening on a PDCCH channel. The UE can learn a latest DTX condition according to a change of the DTX on a base station side in a manner of acquiring extension information of a DTX active time of the base station, and therefore can determine a correct active time of the UE with reference to DRX of the UE, thereby ultimately ensuring QoS of the UE.
    Type: Application
    Filed: December 8, 2015
    Publication date: March 24, 2016
    Inventors: Junren Chang, Yajuan Li, Shulan Feng
  • Patent number: 9219584
    Abstract: A method, a system and an apparatus can be used for transmitting data in a CA manner. A first base station currently serving a user equipment (UE), creates EPS bearers under different component carriers CC Groups for the UE. The UE sets different access stratum entities corresponding to the CC Groups to process data in the process of creating the EPS bearers. The UE determines, when transmitting or receiving data, a corresponding CC Group according to an EPS bearer that bears the data. An access stratum entity corresponding to the CC Group processes the data that needs to be transmitted or received, a site is a first base station currently serving the UE or a second base station currently serving the UE.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: December 22, 2015
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Junren Chang, Yajuan Li, Yongping Zhang, Liangliang Zhang
  • Patent number: 9220077
    Abstract: An uplink synchronization processing method, a User Equipment (UE), and a base station are provided. The method includes: receiving a component carrier (CC) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured CCs; sending synchronization signaling to the base station when knowing that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a time advanced (TA) adjusting message that is sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to the CC on which the uplink synchronization needs to be executed.
    Type: Grant
    Filed: April 14, 2014
    Date of Patent: December 22, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Junren Chang, Yajuan Li, Weiwei Song, Liangliang Zhang, Wei Quan, Zhongbin Qin, Jian Zhang
  • Publication number: 20150351062
    Abstract: An uplink synchronization processing method, a user equipment (UE), and a base station are provided. The method includes: receiving a component carrier (CC) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured CCs; sending synchronization signaling to the base station when knowing that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a time advanced (TA) adjusting message that is sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to the CC on which the uplink synchronization needs to be executed.
    Type: Application
    Filed: August 11, 2015
    Publication date: December 3, 2015
    Inventors: Junren Chang, Yajuan Li, Weiwei Song, Liangliang Zhang, Wei Quan, Zhongbin Qin, Jian Zhang
  • Patent number: 9185737
    Abstract: A method and a user equipment for controlling multiple communication systems to implement communication are disclosed. The method includes: when a long term evolution LTE system module in a UE is about to enter a discontinuous reception DRX sleep state or to temporarily stop data transmission, sending, by the LTE system module, first indication information to another system module in the UE, where the first indication information is used for indicating, to the other system module, that the LTE system module enters the DRX sleep state and at least part of time during which the LTE system module is in the DRX sleep state, or the first indication information is used for indicating that the other system module is capable of performing data transmission and time during which the other system module is capable of performing data transmission.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: November 10, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Junren Chang, Yajuan Li, Shulan Feng
  • Patent number: 9161359
    Abstract: A method for activating or deactivating an extended carrier and a base station are disclosed, and relate to the field of radio communications. The method includes: configuring an extended carrier of an independent carrier for a user equipment, where the extended carrier includes at least one of an adjacent extended carrier of the independent carrier and a non-adjacent extended carrier of the independent carrier; and activating or deactivating the extended carrier by using a bit in an original MAC CE and/or an extended MAC CE and corresponding to an index of the extended carrier. The base station includes a configuring module and an activating or deactivating module.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: October 13, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yajuan Li, Xingwei Zhang, Junren Chang
  • Patent number: 9131435
    Abstract: An uplink synchronization processing method, a User Equipment (UE), and a base station are provided. The method includes: receiving a component carrier (CC) uplink synchronization indication message sent by a base station, where the uplink synchronization indication message carries identification information of one or multiple newly configured CCs; sending synchronization signaling to the base station when knowing that the uplink synchronization needs to be executed on all or a part of the one or multiple newly configured CCs corresponding to the identification information; and receiving a time advanced (TA) adjusting message that is sent by the base station according to the synchronization signaling, and applying a TA value carried in the TA adjusting message to the CC on which the uplink synchronization needs to be executed.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: September 8, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Junren Chang, Yajuan Li, Weiwei Song, Liangliang Zhang, Wei Quan, Zhongbin Qin, Jian Zhang
  • Patent number: 9131489
    Abstract: Embodiments of the present invention relate to the communication field, and disclose a resource allocation method, apparatus, and system, which solve a problem that the size of resource allocation indication information increases with the increase of the transmission bandwidth, and redundancy of physical layer signaling increases with the increase of the transmission bandwidth. The method includes: allocating time-frequency resources in specific bandwidth to a terminal, where the specific bandwidth is a band less than or equal to system bandwidth; determining the size of resource allocation information according to the specific bandwidth; and sending the resource allocation information to the terminal to indicate the allocated time-frequency resources. The embodiments of the present invention are mainly applied to the process in which the base station allocates time-frequency resources to the terminal.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: September 8, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Shulan Feng, Jinnan Liu, Yajuan Li
  • Publication number: 20150230082
    Abstract: Embodiments of the present invention provide a method for sending and receiving a buffer status report, a user equipment, and a base station. The method includes: receiving indication information that is sent by a macro base station and that is used to request a user equipment UE to send a buffer status report, and sending a buffer status report BSR to the macro base station and/or at least one small cell according to the indication information, where the macro base station and the at least one small cell jointly serve the UE, and a service area of the macro base station is larger than a service area of each small cell of the at least one small cell.
    Type: Application
    Filed: April 24, 2015
    Publication date: August 13, 2015
    Inventor: Yajuan LI
  • Publication number: 20150215829
    Abstract: A random access method and an evolved Node B (eNB) is described. The method includes: receiving, by a target evolved Node B (eNB), a handover request message including information of multiple target component carriers selected by the source eNB; determining, by the target eNB, whether to allow the multiple target component carriers selected by the source eNB; sending, by the target eNB, a handover request acknowledgement message including information about at least two determined target component carriers for the UE. If the multiple target component carriers selected by the source eNB are allowed by the target eNB, the at least two determined target component carriers include the multiple target component carriers selected by the source eNB. Otherwise, the at least two determined target component carriers include one or more newly configured target component carriers configured by the target eNB.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Inventors: Junren Chang, Yajuan Li, Shulan Feng
  • Publication number: 20150189570
    Abstract: Embodiments of the present invention disclose a resource scheduling method, device, and communications system. The method includes: sending, by a first base station, a first data offloading proportion to a user equipment; receiving, by the first base station, a first buffer status report that is generated based on the first data offloading proportion and sent by the user equipment, where a buffered data volume included in the first buffer status report needs to be transmitted by the first base station; sending, by the first base station, uplink resource scheduling information to the user equipment based on the first buffer status report, where an uplink transmission resource indicated by the uplink resource scheduling information is used to transmit uplink data of the user equipment that should be borne by the first base station. The embodiments of the present invention are applied to resource scheduling.
    Type: Application
    Filed: March 12, 2015
    Publication date: July 2, 2015
    Inventors: Junren CHANG, Yajuan LI
  • Patent number: 9055484
    Abstract: Embodiments of the present invention disclose a data transmission method, a base station, and a terminal. The method includes: configuring a band of standard bandwidth within transmission bandwidth of a base station as terminal-specific standard bandwidth when the transmission bandwidth of the base station is nonstandard bandwidth; notifying a terminal of configuration information of the terminal-specific standard bandwidth; and performing data transmission with the terminal within the terminal-specific standard bandwidth. The preceding technical solution is applicable to data transmission between a base station and a terminal in a communication system.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: June 9, 2015
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Shulan Feng, Jinnan Liu, Yajuan Li
  • Publication number: 20150156798
    Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.
    Type: Application
    Filed: February 9, 2015
    Publication date: June 4, 2015
    Inventors: Yi Jiang, Zhongbin Qin, Yinghui Yu, Junren Chang, Mingzeng Dai, Guanglin Han, Wei Quan, Jian Zhang, Qiao Zhang, Yajuan Li, Boyun Xie, Yi Guo, Pingping Xing
  • Patent number: 9036606
    Abstract: A random access method, an evolved Node B (eNB), and a terminal equipment are provided. The method includes: determining target component carriers to which a User Equipment (UE) is to be handed over, and notifying the UE of information about the target component carriers through a source eNB; and after receiving a dedicated random access preamble sent by the UE, sending a random access response message on at least one component carrier in the target component carriers. The terminal equipment includes: a handover command receiving unit, a sending unit, and a random response receiving unit. Therefore, in a random access procedure of cell handover, the eNB is capable of determining downlink component carriers that a UE monitors, thereby increasing utilization rate of downlink resources.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: May 19, 2015
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Junren Chang, Yajuan Li, Shulan Feng