Patents by Inventor Xiaowei Jiang

Xiaowei Jiang 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).

  • METHOD AND DEVICE FOR SETTING TIME ADVANCE GROUP IDENTIFIER, METHOD AND DEVICE FOR CONFIGURING TIME ADVANCE GROUP IDENTIFIER, AND USER EQUIPMENT
    Publication number: 20200260398
    Abstract: A method for setting a time advance group (TAG) identifier includes: receiving configuration information sent by a base station, the configuration information comprising a supplement uplink (SUL) carrier configured for a serving cell of user equipment (UE); and setting, according to the configuration information, TAG identifiers (IDs) for the SUL carrier and a non-SUL carrier of the serving cell of the UE.
    Type: Application
    Filed: April 26, 2020
    Publication date: August 13, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • METHOD AND APPARATUS FOR CONFIGURING RANDOM ACCESS
    Publication number: 20200260484
    Abstract: A method for configuring random access, comprising: initiating, by a user equipment, a random access to a base station; receiving an association relationship between a random access adjustment parameter and a type of the random access from the base station, wherein the type of the random access is associated with a tolerant latency of the random access; determining whether a random access response transmitted by the base station with respect to the random access is received within a predetermined duration upon initiation of the random access; determining the type of the random access upon it is determined that the random access response is not received; determining a random access adjustment parameter corresponding to the random access according to the association relationship; and re-initiating the random access to the base station according to the random access adjustment parameter.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 13, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • METHOD AND DEVICE FOR ALLOCATING UPLINK RESOURCE AND TERMINAL
    Publication number: 20200252945
    Abstract: A method for allocating an uplink resource includes: receiving an uplink (UL) grant sent by a base station; and allocating, based on a transmission profile priority of a logical channel, an uplink resource indicated by the UL grant to the logical channel. In the embodiments of the present disclosure, by allocating the transmission profile priority to the logical channel, the uplink resource that meets the transmission profile priority of the logical channel can be preferentially allocated to the logical channel. Thus, transmission of data on the logical channel can be guaranteed better to meet requirements of communication services.
    Type: Application
    Filed: August 18, 2017
    Publication date: August 6, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • RANDOM ACCESS METHOD AND DEVICE, USER EQUIPMENT AND COMPUTER-READABLE STORAGE MEDIUM
    Publication number: 20200252970
    Abstract: A random access method includes: determining whether a currently selected beam for transmitting a preamble is identical to one of at least one recorded beam, clearing all previously recorded beams, recording the currently selected beam, and transmitting the preamble at a boosted pilot transmission power when it is determined that a value of a pilot power boost counter does not reach a maximum value.
    Type: Application
    Filed: September 25, 2017
    Publication date: August 6, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Method and apparatus for hardware virtualization
    Patent number: 10733112
    Abstract: An apparatus for operating an input/output (I/O) interface in a virtual machine is provided. The apparatus is configured to: map a first portion of a memory device to a configuration space of an I/O interface; obtain a first mapping table that maps a set of host space virtual addresses to a first set of physical addresses associated with the first portion of the memory device; obtain a second mapping table that maps a second set of physical addresses associated with a second portion of the memory device accessible by a virtual machine to the set of host space virtual addresses; generate a third mapping table that maps the second set of physical addresses to the first set of physical addresses; and provide the third mapping table to a device driver operating in the virtual machine, to enable the device driver to access the configuration space of the I/O interface.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: August 4, 2020
    Assignee: ALIBABA GROUP HOLDING LIMITED
    Inventor: Xiaowei Jiang
  • SUPPLEMENTARY UPLINK CARRIER CONFIGURATION METHOD AND DEVICE, AND SCHEDULING RESOURCE ALLOCATION METHOD AND DEVICE
    Publication number: 20200245330
    Abstract: A method for configuring a supplementary uplink (SUL) carrier, includes: generating an SUL related parameter, the SUL related parameter being configured to define whether an uplink resource allocated to a logical channel is an SUL carrier resource or a non-SUL carrier resource in a restricted cell where logical channel prioritization (LCP) restriction is made with respect to SUL and non-SUL carriers; and transmitting the SUL related parameter to user equipment (UE).
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Inventor: Xiaowei JIANG
  • Cache devices with configurable access policies and control methods thereof
    Patent number: 10719448
    Abstract: A cache is presented. The cache comprises a tag array configured to store one or more tag addresses, a data array configured to store data acquired from a dynamic random access memory device, and a cache controller. The cache controller is configured to: receive a cache access request; determine, based on an indication associated with the cache access request, a cache access policy; and perform an operation to the tag array and to the data array based on the determined cache access policy.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: July 21, 2020
    Assignee: ALIBABA GROUP HOLDING LIMITED
    Inventor: Xiaowei Jiang
  • RANDOM ACCESS CONTROL METHOD AND DEVICE
    Publication number: 20200229243
    Abstract: A random access control method, includes: determining whether a random access response is received from a base station; if not, determining whether a first count value is equal to a first preset value; if yes, determining whether a time window monitoring the reception of the random access response and corresponding to the preset time window has ended; if so, sending a preamble to the base station at a preamble transmission opportunity within a next preset time window and increasing the first count value, and if not, sending the preamble to the base station at a next preamble transmission opportunity and increasing the first count value; and repeating above steps, and until the first count value is equal to the first preset value or the random access response from is received the base station, and stopping sending the preamble to the base station.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Inventor: Xiaowei JIANG
  • NETWORK CONNECTION METHOD AND DEVICE
    Publication number: 20200221524
    Abstract: A method for implementing network connection, applied to a base station, includes: receiving a connection resume request message sent by user equipment (UE); detecting, according to the connection resume request message, that at least one rejection cause of rejecting connection resumption is met; and sending a connection resume reject message to the UE, wherein the connection resume reject message carries a cause value indicating the at least one rejection cause.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventor: Xiaowei JIANG
  • Method and apparatus for operating a data storage system
    Patent number: 10705910
    Abstract: An apparatus for operating a storage system is provided. The apparatus is coupled with one or more storage devices and one or more controllers and comprises a data request input module configured to receive a request for data and determine a data stripe that includes the requested data. The apparatus further comprises a controller instruction module configured to instruct one or more controllers to perform a decoding of code words of the determined data stripe, wherein the code words are acquired by the controllers from the one or more storage devices, and determine, based on error status information associated with the decoding, an error handling operation on the data stripe to modify one or more code words of the data stripe. The apparatus also comprises a data packaging module configured to generate the requested data based on the modified at least one or more code words.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 7, 2020
    Assignee: ALIBABA GROUP HOLDING LIMITED
    Inventors: Shu Li, Xiaowei Jiang
  • Method and apparatus for configuring radio bearer
    Patent number: 10708975
    Abstract: A method for configuring a radio bearer includes: sending by a central unit protocol partitioning information for the radio bearer to be configured to a target distributed unit, in which the protocol partitioning information indicates an assignment of each protocol layer of a radio-side protocol stack between the central unit and the target distributed unit; configuring a first protocol stack by the target distributed unit according to the protocol partitioning information; sending by the target distributed unit configuration information of the first protocol stack to the central unit; and configuring a second protocol stack by the central unit according to the configuration information of the first protocol stack.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 7, 2020
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Xiaowei Jiang, Wei Hong, Ming Zhang
  • METHOD AND DEVICE FOR ALLOCATING UPLINK RESOURCE, AND TERMINAL
    Publication number: 20200214032
    Abstract: A method for allocating an uplink resource includes: receiving an uplink (UL) grant sent by a base station; and allocating, based on a transmission profile corresponding to a logical channel, an uplink resource indicated by the UL grant to the logical channel, wherein the transmission profile corresponding to the logical channel is configured by the base station.
    Type: Application
    Filed: August 18, 2017
    Publication date: July 2, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • DATA TRANSMISSION METHOD AND APPARATUS
    Publication number: 20200205024
    Abstract: A data transmission method comprises: determining whether a switched target Data Radio Bearer (DRB) supports sequential data transmission or not, when a DRB remapping event is detected during a data transmission process of a target data stream; in case that transmitting, through an original DRB, data packets in the target data stream that have been delivered to the original DRB, and transmitting, through the target DRB, data packets in the target data stream that have not been delivered to the original DRB, in case that the target DRB does not support sequential data transmission; and in case that transmitting data packets in the target data stream in a transmission mode in which sequence of data packets is not changed, in case that the target DRB supports sequential data transmission.
    Type: Application
    Filed: September 27, 2017
    Publication date: June 25, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Methods and devices for controlling states of user equipment
    Patent number: 10694572
    Abstract: A method for state control of a user equipment includes: when in an inactive state, sending, a state indication message for indicating that the UE needs to switch to a connection state, to a base station, upon detecting that a preset state switching event is triggered; switching to the connection state according to a state switching instruction returned by the base station. The preset state switching event includes at least one of: a bearer corresponding to traffic data to be sent or received by the UE does not belong to a designated bearer that is a bearer capable of transmitting the service data in the inactive state; a message to be sent by the UE is a NAS message; a data buffer size of the UE exceeds a first threshold; and an RSRP value of a reference signal sent by the base station is less than a second threshold.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 23, 2020
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • METHOD AND DEVICE FOR CONFIGURING REFLECTIVE QUALITY OF SERVICE, AND METHOD AND DEVICE FOR TRANSMITTING INFORMATION
    Publication number: 20200187044
    Abstract: A method for configuring reflective QoS includes: first indication information transmitted from a Service Data Adaptation Protocol (SDAP) transmitting end is received, the first indication information being configured to indicate a Sequence Number (SN) of a Packet Data Convergence Protocol (PDCP) packet corresponding to a first SDAP packet transmitted according to a new configuration of a pre-established Data Radio Bearer (DRB) or an SN of a PDCP packet corresponding to a last SDAP packet transmitted according to an previous configuration of the pre-established DRB; an SN of a PDCP packet corresponding to a received SDAP packet is acquired; and the acquired SN is compared with the SN indicated by the first indication information to determine whether the SDAP packet includes an SDAP header.
    Type: Application
    Filed: February 17, 2020
    Publication date: June 11, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • DATA TRANSMISSION METHOD AND DEVICE
    Publication number: 20200187297
    Abstract: A data transmission method includes: receiving a first indication message from a base station, the first indication message including first information indicating a PDCP packet duplication function and at least two transmission entities configured for a radio bearer (RB) by the base station; setting a transmission function corresponding to the RB as the PDCP packet duplication function according to the first indication message; setting a transmission entity corresponding to the RB according to the at least two transmission entities indicated in the first indication message; setting a present state of the PDCP packet duplication function, the present state including an active state and an inactive state; and performing data transmission according to the present state and the transmission entity.
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Inventor: Xiaowei JIANG
  • METHOD AND APPARATUS FOR ACQUIRING SYSTEM INFORMATION, AND METHOD AND APPARATUS FOR TRANSMITTING SYSTEM INFORMATION
    Publication number: 20200187267
    Abstract: A method, a user equipment, and a base station are provided for acquiring and transmitting system information. The method is applicable to the user equipment, and includes: a message of random access is transmitted to a base station, where the message of random access includes first request information for requesting system information; first instruction information transmitted by the base station according to the first request information is received, wherein the first instruction information instructs the user equipment to enter a connected state for receiving the system information; a communication connection is established with the base station; and first radio resource control information transmitted by the base station is received, and the system information is extracted from the first radio resource control information.
    Type: Application
    Filed: February 10, 2020
    Publication date: June 11, 2020
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Programmable multiply-add array hardware
    Patent number: 10678507
    Abstract: An integrated circuit including a data architecture including N adders and N multipliers configured to receive operands. The data architecture receives instructions for selecting a data flow between the N multipliers and the N adders of the data architecture. The selected data flow includes the options: (1) a first data flow using the N multipliers and the N adders to provide a multiply-accumulate mode and (2) a second data flow to provide a multiply-reduce mode.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: June 9, 2020
    Assignee: ALIBABA GROUP HOLDING LIMITED
    Inventors: Liang Han, Xiaowei Jiang
  • RANDOM ACCESS METHOD AND DEVICE, USER EQUIPMENT AND BASE STATION
    Publication number: 20200178310
    Abstract: A random access method includes: determining to initiate a random access; judging whether to use multi-preamble transmission; and when determining to use multi-preamble transmission, transmitting a preamble through an acquired multi-preamble transmission opportunity, to perform random access.
    Type: Application
    Filed: February 4, 2020
    Publication date: June 4, 2020
    Inventor: Xiaowei JIANG
  • RANDOM ACCESS METHOD AND DEVICE, USER EQUIPMENT AND BASE STATION
    Publication number: 20200178312
    Abstract: A random access method for user equipment, includes: when initiating random access, acquiring a Physical Random Access Channel (PRACH) resource for multi-preamble transmission from a presently associated downlink beam, wherein the PRACH resource is to indicate a multi-preamble transmission opportunity; starting preamble transmission from a time-frequency resource position in the present multi-preamble transmission opportunity; and when transmission of all preambles is ended, starting monitoring a random access response (RAR) receiving window; and if an RAR is received in the RAR receiving window, determining a sending beam that the RAR corresponds to, sending a message MSG3 to a base station through the sending beam, and waiting to receive a message MSG4 returned by the base station.
    Type: Application
    Filed: February 5, 2020
    Publication date: June 4, 2020
    Inventor: Xiaowei JIANG