Patents by Inventor Haiyan Luo

Haiyan Luo 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: 20170006634
    Abstract: Embodiments of the present invention provide a data transmission method, user equipment, and a base station. The method can include receiving, by user equipment, indication information for stopping transmission sent by a base station, where the indication information for stopping transmission is configured to instruct the user equipment to stop transmitting uplink data for at least one service by through an access point AP of a wireless local area network WLAN. The method can also include stopping, by the user equipment according to the indication information for stopping transmission, transmitting the uplink data for the at least one service through the AP. In this process, the user equipment reduces a data volume of uplink data transmitted through the WLAN, so as to decrease a probability that an uplink data collision occurs in the WLAN, thereby improving service quality.
    Type: Application
    Filed: September 13, 2016
    Publication date: January 5, 2017
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haiyan LUO, Tianle DENG, Yuanyuan YAN
  • Patent number: 9510241
    Abstract: A carrier selection method and a base station are provided and are applied to the field of communications technologies. The carrier selection method includes: obtaining load status information corresponding to a control channel of a first base station on each carrier, where the load status information is used for indicating a load amount of the control channel; selecting, according to the load status information, from multiple carriers corresponding to the first base station, a carrier corresponding to a control channel with a relatively small load amount as an operational carrier for a second base station or a primary cell carrier for a user equipment served by the second base station. Carrier selection is implemented.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: November 29, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haiyan Luo, Tianle Deng, Binsong Tang
  • Patent number: 9497718
    Abstract: The present invention provides a method, an apparatus, and a system for synchronization between base stations. The method for synchronization between base stations includes: A first base station receives synchronization information sent by a user equipment, where the first base station is a serving base station of the user equipment; and the first base station adjusts a downlink sending time point and an uplink receiving time point of the first base station according to the synchronization information, so as to keep consistency between the downlink sending time point of the first base station and a downlink sending time point of a second base station that serves as a synchronization time reference and keep consistency between the uplink receiving time point of the first base station and an uplink receiving time point of the second base station.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: November 15, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Tianle Deng, Binsong Tang, Haiyan Luo
  • Publication number: 20160308636
    Abstract: The present application discloses an interference coordination method and an apparatus, which are applied to the communications field and can determine, among inter-RAT networks that share a frequency spectrum, a physical resource for interference coordination. The method includes: acquiring, by a second base station, time-frequency position information corresponding to cell key information of a first base station, where the time-frequency position information is used for determining a time-frequency position that is corresponding to the cell key information of the first base station and that is on a shared time-frequency resource, and the cell key information includes at least one of a cell-specific reference signal (CRS), a channel state indication-reference signal (CSI-RS), a physical broadcast channel (PBCH), and a synchronization signal. The method also includes performing, by the second base station, interference coordination on the first base station.
    Type: Application
    Filed: June 30, 2016
    Publication date: October 20, 2016
    Inventors: Tianle Deng, Haiyan Luo, Xiao Chen
  • Publication number: 20160212716
    Abstract: The application discloses a method implemented by a first base station, including: obtaining, first receive power information, where the first receive power information is receive power information of receiving a signal transmitted by user equipment served by a second base station; determining, according to the first receive power information, a relationship between the user equipment and a coverage area of the first base station; and notifying the second base station of the relationship. Thus, when user equipment approaches a network covered by a first base station, a second base station may know a relationship between the user equipment and the coverage area of the first base station, so as to perform a network handover for the user equipment or establish a wireless connection between the user equipment and the first base station. The embodiments of the present invention further provide a corresponding base station.
    Type: Application
    Filed: September 28, 2012
    Publication date: July 21, 2016
    Inventors: Binsong TANG, Tianle DENG, Haiyan LUO, Hongzhuo ZHANG
  • Patent number: 9363762
    Abstract: The present invention provides methods and devices for determining a transmission power and relates to the field of communication technologies. A method includes receiving, by a power determining device, capacity information of a first cell sent by a serving base station of the first cell and determining a transmission power used by a serving base station of the second cell on the specific resource of the second cell according to the capacity information of the first cell. The aforementioned method allows the capacity of the first cell to be guaranteed.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: June 7, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Haiyan Luo, Tianle Deng, Binsong Tang, Yanzan Sun
  • Patent number: 9306955
    Abstract: A policy is established comprising a condition having a multiphase attribute of a multiphase transaction. Phase specific policies are established for each phase in which the multiphase attribute may become known. The multiphase transaction is evaluated according to the phase specific policies at each phase of the multiphase transaction in which the multiphase attribute may become known until a policy decision of the policy is determined.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: April 5, 2016
    Assignee: Cisco Technology, Inc.
    Inventors: Haiyan Luo, Hari Shankar, Daryl Odnert, Niranjan Koduri
  • Publication number: 20160044699
    Abstract: Embodiments of the present invention provide a method, an apparatus, and a device for interference coordination in an inter-RAT system to improve utilization of wireless spectrum resources while eliminating intra-frequency interference. The method includes: acquiring information about a time-frequency resource of a first cell and information about an interference relationship between the first cell and the second cell, where the first cell and the second cell are cells of different RATS; and determining information about a time-frequency resource of the second cell according to the information about the time-frequency resource of the first cell and the information about the interference relationship, where the information about the time-frequency resource of the second cell is used by the second cell to schedule a time-frequency resource.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 11, 2016
    Inventors: Tianle Deng, Haiyan Luo, Xiao Chen
  • Publication number: 20160044688
    Abstract: The present application discloses a resource determining method and apparatus, which relates to the communications field and can reduce co-channel interference between systems of different standards that share a wireless spectrum resource. The method includes: acquiring relationship information of interference imposed on a first cell by a second cell, where the relationship information of interference is used to indicate interference imposed on the first cell by the second cell in a time-frequency domain, and the second cell and the first cell have different standards; and determining time-frequency resource information of the second cell according to the relationship information of interference, where the time-frequency resource information of the second cell is used for the second cell to perform time-frequency resource allocation.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 11, 2016
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Tianle DENG, Haiyan Luo, Xiao Chen, Guohua Zhou
  • Publication number: 20150304340
    Abstract: A policy is established comprising a condition having a multiphase attribute of a multiphase transaction. Phase specific policies are established for each phase in which the multiphase attribute may become known. The multiphase transaction is evaluated according to the phase specific policies at each phase of the multiphase transaction in which the multiphase attribute may become known until a policy decision of the policy is determined.
    Type: Application
    Filed: June 29, 2015
    Publication date: October 22, 2015
    Inventors: Haiyan Luo, Hari Shankar, Daryl Odnert, Niranjan Koduri
  • Publication number: 20150296447
    Abstract: The present application discloses a wireless local area network access point search method, an apparatus, and a system, relates to the field of communications technologies, and can reduce power consumption for passive scanning. According to the method, beacon sending information of a wireless local area network access point and measurement information of a user equipment are matched, so that the user equipment can search for the wireless local area network access point only at the time when and a frequency channel number at which the wireless local area network access point sends a beacon. Compared with the prior art in which a user equipment needs to continuously keep a state of searching for a wireless local area network access point, the present application greatly shortens time spent by the user equipment in listening to a beacon, and therefore reduces power consumption of passive scanning.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haiyan LUO, Tianle Deng
  • Publication number: 20150289260
    Abstract: The present invention relates to a wireless communication method, an access device, and a wireless communications system. The method includes: acquiring, by a first access device, uplink information of a second access device, where the first access device and the second access device are inter-frequency devices or inter-system devices; and receiving, by the first access device, an uplink signal of the second access device according to the uplink information, where the uplink information includes frequency information of an uplink of the second access device. According to the present invention, an objective that the first access device receives a signal sent by user equipment of the inter-system or inter-frequency second access device, and that the first access device identifies whether the user equipment falls within a coverage area of the first access device or is near to the first access device is achieved, thereby enhancing cooperation between different access devices.
    Type: Application
    Filed: June 19, 2015
    Publication date: October 8, 2015
    Inventors: Haiyan Luo, Tianle Deng
  • Publication number: 20150280873
    Abstract: Embodiments of the present application provide an uplink coordinated multipoint transmission (CoMP) set selecting method and system, and a device, which relate to the communications field, so that an uplink CoMP set of a cell or of user equipment (UE) served by a cell can be determined by means of exchange, between base stations, of at least channel state information-reference signal (CSI-RS) configuration information used for distinguishing cells. Technical solutions provided by the embodiments of the present application can implement sharing of control information and data information among multiple cells in a wireless communications system.
    Type: Application
    Filed: June 15, 2015
    Publication date: October 1, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haiyan LUO, Tianle DENG
  • Publication number: 20150223049
    Abstract: The present invention discloses a wireless local area network discovery method, a device, and a system. The method specifically includes: acquiring an access point (AP) identifier of an AP of a wireless local area network and a first measurement result that is obtained by a first user equipment UE, where the AP identifier is associated with the first measurement result; acquiring a second measurement result that is obtained by a second UE; and determining, according to the second measurement result and the first measurement result, whether the second UE is located within coverage of the AP. By using the technical solutions in embodiments of the present invention, it may be determined that the second UE is located within the coverage of the AP, and the AP is accurately accessed when it is necessary.
    Type: Application
    Filed: April 17, 2015
    Publication date: August 6, 2015
    Inventors: Haiyan Luo, Tianle Deng
  • Patent number: 9100366
    Abstract: A policy is established comprising a condition having a multiphase attribute of a multiphase transaction. Phase specific policies are established for each phase in which the multiphase attribute may become known. The multiphase transaction is evaluated according to the phase specific policies at each phase of the multiphase transaction in which the multiphase attribute may become known until a policy decision of the policy is determined.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 4, 2015
    Assignee: Cisco Technology, Inc.
    Inventors: Haiyan Luo, Hari Shankar, Daryl Odnert, Niranjan Koduri
  • Publication number: 20150063307
    Abstract: A carrier selection method and a base station are provided and are applied to the field of communications technologies. The carrier selection method includes: obtaining load status information corresponding to a control channel of a first base station on each carrier, where the load status information is used for indicating a load amount of the control channel; selecting, according to the load status information, from multiple carriers corresponding to the first base station, a carrier corresponding to a control channel with a relatively small load amount as an operational carrier for a second base station or a primary cell carrier for a user equipment served by the second base station. Carrier selection is implemented.
    Type: Application
    Filed: November 11, 2014
    Publication date: March 5, 2015
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haiyan LUO, Tianle DENG, Binsong TANG
  • Publication number: 20150065192
    Abstract: Embodiments of the present invention disclose a method, a device, and a system for configuring cell range expansion bias. A method includes determining, by a first base station, cell range expansion biases under different ABS transmit powers, and sending, by the first base station, the cell range expansion biases under different ABS transmit powers to a second base station or a network management system.
    Type: Application
    Filed: November 10, 2014
    Publication date: March 5, 2015
    Inventors: Yanzan Sun, Tianle Deng, Binsong Tang, Haiyan Luo
  • Publication number: 20150016434
    Abstract: The present invention provides a method and a device for interference coordination. The method comprises: determining mutually interfering wave beams between a cell of a first base station and a cell of a second base station based on first interference information and second interference information; coordinating time-frequency resources, time domain resources or frequency domain resources occupied when the mutually interfering wave beams between the cell of the first base station and the cell of the second base station are sent, so as to reduce interference. By coordinating, wave beams of the cells of the base stations are sent in a staggered manner in terms of the time-frequency resources, the time domain resources or the frequency domain resources.
    Type: Application
    Filed: September 29, 2014
    Publication date: January 15, 2015
    Inventors: Haiyan LUO, Tianle DENG, Ronghui WEN, You LI
  • Publication number: 20150011167
    Abstract: The present invention provides methods and devices for determining a transmission power and relates to the field of communication technologies. A method includes receiving, by a power determining device, capacity information of a first cell sent by a serving base station of the first cell and determining a transmission power used by a serving base station of the second cell on the specific resource of the second cell according to the capacity information of the first cell. The aforementioned method allows the capacity of the first cell to be guaranteed.
    Type: Application
    Filed: September 19, 2014
    Publication date: January 8, 2015
    Inventors: Haiyan LUO, Tianle DENG, Binsong TANG, Yanzan SUN
  • Patent number: 8918107
    Abstract: The present invention provides a handover method, a base station and a system. The handoff method comprises: a low-power base station monitors an uplink signal which is sent by a user equipment served by a neighbor base station, and obtains signal measurement information of the uplink signal and characteristic information of the uplink signal; the low-power base station sends the signal measurement information of the uplink signal and the characteristic information of the uplink signal to at least one macro base station which covers the low-power base station, so that the macro base station, according to the signal measurement information, determines whether the user equipment to which the characteristic information corresponds is unloaded to the low-power base station.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 23, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Tianle Deng, Li Yang, Haiyan Luo