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).

  • Publication number: 20220256546
    Abstract: A method for in-device coexistence interference indication, applicable to a terminal. The method comprises: when a terminal is in an idle state or inactive state, determining that in-device coexistence interference (DC) has occurred or is to occur in the terminal; and sending DC indication information to a base station.
    Type: Application
    Filed: July 19, 2019
    Publication date: August 11, 2022
    Applicant: XIAOMI COMMUNICATIONS CO., LTD.
    Inventor: Xiaowei JIANG
  • Patent number: 11399348
    Abstract: The disclosure relates to a power headroom report transmission method which can include determining whether there is a trigger event of a power headroom report, and in a case that there is the trigger event of a power headroom report, determining a way for calculating the power headroom of a supplementary uplink carrier and/or other carrier according to the situation that a physical uplink control channel, a physical uplink shared channel and/or a channel sounding reference signal configured for a supplementary uplink carrier and other carriers of a first cell in which a supplementary uplink carrier is configured in service cells of user device, and calculating the power headroom of the supplementary uplink carrier and/or other carrier according to the way. The method can further include transmitting the power headroom report corresponding to the power headroom to the base station.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: July 26, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Patent number: 11399383
    Abstract: The present application provides a method and device for requesting an uplink transmission resource. The method includes: triggering an uplink resource Scheduling Request (SR), in response to a preset random access trigger condition, triggering a contention based random access request; before completing a contention based random access procedure, in response to a preset random access cancellation condition, cancelling the contention based random access procedure, wherein the preset random access cancellation condition comprises at least detecting valid uplink resource information.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: July 26, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Publication number: 20220232637
    Abstract: A random access method includes: receiving, by a terminal, a radio resource control (RRC) message sent by a base station, the RRC message comprising a power threshold; detecting, by the terminal, a reference signal received power (RSRP) of a current downlink carrier; determining, by the terminal, a first uplink carrier among a plurality of uplink carriers corresponding to the base station according to the RSRP and the power threshold; and transmitting, by the terminal, a random access preamble to the base station using the first uplink carrier. The plurality of uplink carriers comprise a supplementary uplink (SUL) carrier and a non-SUL carrier.
    Type: Application
    Filed: April 5, 2022
    Publication date: July 21, 2022
    Inventor: Xiaowei Jiang
  • Patent number: 11395175
    Abstract: A method for data packet processing in a data radio bearer (DRB) remapping process includes: in a data transmission process of a target data stream, when it is detected that a DRB remapping event occurs, stopping delivering data packets of the target data stream to an original DRB, and delivering data packets of the target data stream that are not delivered to the original DRB to a target DRB; and when it is detected that data packets of the target data stream that are delivered to the original DRB are completely sent, if the original DRB is configured to operate in a non-transmission feedback determination mode, sending to a receiving terminal a completion indication message for predetermined times by means of the original DRB. A problem that the receiving terminal cannot further deliver a received data packet and thus a data packet delivery process will be indefinitely delayed can therefore be overcome.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 19, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei Jiang
  • Patent number: 11395309
    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: Grant
    Filed: August 18, 2017
    Date of Patent: July 19, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei Jiang
  • Publication number: 20220191728
    Abstract: Embodiments of the present disclosure provide measurement processing methods and apparatuses. The method includes: a user equipment (UE) receives measurement configuration information for an idle state or inactive state and obtains a measurement result by performing signal quality measurement in the idle state or inactive state based on the measurement configuration information; the UE records the measurement result of free from IDC interference in response to detecting In-Device Coexistence (IDC) interference in the UE during the signal quality measurement.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei JIANG
  • Patent number: 11363639
    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: Grant
    Filed: February 5, 2020
    Date of Patent: June 14, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Publication number: 20220183075
    Abstract: The present disclosure relates to a method and apparatus for receiving a target downlink signal, and a terminal and a system, wherein same belong to the field of communications and are applied to uplink and downlink transmission of an unlicensed frequency band. The method comprises: a terminal waiting to receive a target downlink signal in a first window; and when the terminal receives, in the first window, an indication sent by an access network device and indicating that a channel has been acquired, starting a second window. Waiting to receive the target downlink signal in the second window can solve the problem of additional power consumption caused by the terminal performing unnecessary monitoring for a long period of time when a base station cannot occupy an unlicensed band.
    Type: Application
    Filed: January 31, 2019
    Publication date: June 9, 2022
    Inventor: Xiaowei JIANG
  • Patent number: 11356890
    Abstract: A method for transmitting an RRC message includes: a target buffer report corresponding to a target SRB reported by a terminal is received, where the target SRB is an SRB for transmitting a target RRC message to be transmitted by the terminal; resource configuration is performed for the target SRB according to the target buffer report to acquire a resource configuration result; and the resource configuration result is transmitted to the terminal, so that the terminal determines a target RAN slice corresponding to the target SRB from among a plurality of RAN slices pre-configured for the terminal according to the resource configuration result, and transmits the target RRC message through the target RAN slice. As such, an RRC message may be transmitted through a plurality of RAN slices.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 7, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei Jiang
  • Patent number: 11357068
    Abstract: A random access failure processing method includes: determining a cell and a carrier used to send a preamble for random access when the preamble is sent to a base station a number of times greater than a preset number; and transmitting, under a case where the cell used to send the preamble is a primary cell configured with an SUL carrier and a non-SUL carrier, a message indicating presence of problems in the random access to the base station through the SUL carrier if the carrier used to send the preamble is the non-SUL carrier.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: June 7, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Patent number: 11357034
    Abstract: A triggering retaining method includes: generating a media access control protocol data unit (MAC PDU) according to received UL grant; and in response to determining that the MAC PDU includes a buffer status report (BSR) or the MAC PDU includes all data to be transmitted but cannot include a BSR, retaining triggering of the BSR and/or a scheduling request (SR) within a first predetermined duration. According to embodiments of the disclosure, a service having lower requirements on a BSR transmission delay is ensured, and a MAC PDU containing a BSR can be generated at an uplink transmission opportunity corresponding to a UL grant for the service, so that the BSR is sent to a base station at the uplink transmission opportunity in time, the BSR transmission meets delay requirements of the service, and the good operation of the service is ensured.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: June 7, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei Jiang
  • Publication number: 20220167458
    Abstract: The present disclosure provides a method for receiving system information, a method for sending system information, and devices and storage media thereof. The method for receiving system information, applied to a terminal, includes: sending, by the terminal, an SI request to a base station on a first BWP, where the SI request is used to request to obtain system information; receiving, by the terminal, first switching information sent by the base station, where the first switching information is used to instruct the terminal to switch to a second BWP to receive the system information; receiving, by the terminal, the system information on the second BWP; and after successfully receiving the system information, sending, by the terminal, first indication information to the base station, where the first indication information is used to indicate that the terminal has successfully received the system information.
    Type: Application
    Filed: March 21, 2019
    Publication date: May 26, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Publication number: 20220167250
    Abstract: A method for sending information includes: determining, by a terminal, a first system information set scheduled by a first cell, wherein the first system information set comprises n pieces of system information, where n is a positive integer; and sending, by the terminal, first interest information to the first cell, wherein the first interest information indicates, within the first system information set, system information that the terminal is interested in and/or not interested in receiving.
    Type: Application
    Filed: April 1, 2019
    Publication date: May 26, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Patent number: 11343704
    Abstract: A method of assigning an identifier includes: assigning an AS QoS flow identifier to a current QoS flow; determining mapping relationship between an NAS QoS flow identifier and the AS QoS flow identifier; transmitting the mapping relationship and an SDAP PDU separately or simultaneously to UE, wherein an SDAP header of the SDAP PDU carries the AS QoS flow identifier assigned to the current QoS flow.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 24, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Publication number: 20220158784
    Abstract: A method and a device for transmitting information related to measurement are provided. The method includes that a user equipment (UE) receives a measurement configuration message sent by a base station, where the measurement configuration message includes a measurement target and threshold information. Further, the UE acquires a measurement result corresponding to the measurement target, determines whether the measurement result of the measurement target corresponding to the threshold information satisfies corresponding threshold information, and determines indication information according to the determination result. Moreover, the UE sends message 1 (Msg1) or message 3 (Msg3) to the base station, where the Msg1 or the Msg3 includes the indication information.
    Type: Application
    Filed: March 21, 2019
    Publication date: May 19, 2022
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Xiaowei JIANG
  • Patent number: 11337254
    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: Grant
    Filed: February 4, 2020
    Date of Patent: May 17, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Patent number: 11330633
    Abstract: The disclosure relates to a random access method and device. The method includes: determining a first target uplink carrier among a plurality of uplink carriers corresponding to a target base station, the plurality of uplink carriers includes at least one supplementary uplink (SUL) carrier; transmitting a random access preamble to the target base station using the first target uplink carrier. In the technical solution, a terminal device can determine the first target uplink carrier used for transmitting the random access preamble among the plurality of uplink carriers corresponding to the target base station, and transmit the random access preamble to the target base station using the first target uplink carrier to initiate a random access, so that the random access is implemented in cells configured with the SUL carrier, thus the success rate of the random access is increased.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 10, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Patent number: 11330509
    Abstract: The present disclosure relates to a method and an apparatus for stopping an SI request, user equipment, a base station, and a computer readable storage medium. The method for stopping an SI request includes: if a first system information block (SIB1) indicates that an SI to be acquired by a UE is not being broadcast, sending an SI request to the base station by means of a first message (MSG1) or a third message (MSG3); during waiting for the base station to return an SI response, if an updated SIB1 is acquired and the updated SIB1 indicates that the requested SI is being broadcast, stopping the SI request procedure. In the embodiments of the present disclosure, the SI request can be terminated in advance, thereby reducing wasted UE power consumption and avoiding unnecessary operations.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 10, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Xiaowei Jiang
  • Patent number: 11323977
    Abstract: A method, an apparatus, a user equipment and a base station are provided for implementing location area update. In the method, the UE obtains a judgment result by determining whether there is data to be transmitted currently, when a radio access network-based location area update (RLAU) is triggered, where the data to be transmitted is one of service data and signaling data. The UE determines a second message based on the judgment result and a first message, where the first message is an original connection resume request message, and the second message carries a cause value requesting for resuming connection. The UE transmits the second message to the base station.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 3, 2022
    Assignee: Beijing Xiaomi Software co., Ltd.
    Inventor: Xiaowei Jiang