Patents by Inventor Xiao Feng

Xiao Feng 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).

  • Patent number: 11832227
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify a time-domain resource for an uplink transmission. The UE may determine a time period, during which the UE is to refrain from monitoring for downlink communications, based at least in part on the time-domain resource for the uplink transmission and at least one of a first time offset associated with a difference in starting time between an uplink radio frame and a corresponding downlink radio frame at the UE, a second time offset associated with an uplink-downlink timing interaction for the UE, or a network-indicated offset. Numerous other aspects are provided.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: November 28, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Ayan Sengupta, Alberto Rico Alvarino, Xiao Feng Wang, Liangping Ma, Bharat Shrestha, Peter Gaal, Le Liu, Umesh Phuyal, Jun Ma
  • Publication number: 20230379964
    Abstract: Methods, systems, and devices for wireless communications are described. A communication device, otherwise known as a user equipment (UE) may transmit a random access message (e.g., a message 3) associated with a random access procedure. A hybrid automatic repeat request (HARQ) feedback may be disabled for the random access procedure. The UE may initiate a contention resolution window associated with the random access procedure for a first downlink data channel transmission of a set of downlink data channel transmissions associated with the random access procedure. The UE may receive, during the contention resolution window, the first downlink data channel transmission carrying a contention resolution medium access control-control element (MAC-CE). The UE may transmit acknowledgment information for the first downlink data channel transmission carrying the contention resolution MAC-CE based on an indication to enable the HARQ feedback.
    Type: Application
    Filed: July 24, 2023
    Publication date: November 23, 2023
    Inventors: Bharat SHRESTHA, Umesh PHUYAL, Xiao Feng WANG, Alberto RICO ALVARINO, Ayan SENGUPTA, Prasad Reddy KADIRI, Le LIU
  • Patent number: 11825461
    Abstract: Aspects described herein relate to configuring, at a device, default beam information for determining a beam for data channel communications. The device can determine to use the default beam information for configuring the beam for a data channel communication based on determining explicit beam information is not configured. In addition, the device can transmit, based on determining to use the default beam information, the data channel communication based on the beam configured using the default beam information.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: November 21, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Sony Akkarakaran, Xiao Feng Wang, Tao Luo, Wooseok Nam, Makesh Pravin John Wilson, Yan Zhou
  • Patent number: 11825535
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may establish a PC5 unicast link with a second UE. The UE may transmit, to a second UE in a PC5 radio resource control (RRC) message, capability information that includes an indication that the first UE is an unmanned aerial vehicle (UAV). Numerous other aspects are described.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: November 21, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Le Liu, Alberto Rico Alvarino, Umesh Phuyal, Stefano Faccin, Xiao Feng Wang, Juan Montojo, Francesco Pica, Chiranjib Saha, Vishnu Vardhan Chetlur Ravi
  • Publication number: 20230361928
    Abstract: Methods, systems, and devices for wireless communications are described. The method may include a first network node (e.g., a user equipment (UE)) receiving first control information indicative of a first feedback scheme for multicast transmissions in a non-terrestrial network (NTN) and determining an applied feedback scheme based on the first feedback scheme. The method may also include the first network node monitoring for a multicast transmission and operating in accordance with the applied feedback scheme.
    Type: Application
    Filed: May 4, 2023
    Publication date: November 9, 2023
    Inventors: Le Liu, Alberto Rico Alvarino, Liangping Ma, Xiao Feng Wang, Jae Ho Ryu, Rebecca Wen-Ling Yuan, Peter Gaal, Kazuki Takeda
  • Publication number: 20230362833
    Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by a user equipment (UE) generally including receiving signaling indicating one or more values for a scheduling offset between a downlink slot where downlink control information (DCI) is received and an uplink slot for transmitting a physical uplink shared channel (PUSCH) scheduled by the DCI; determining an additional offset to be used in conjunction with the scheduling offset values to determine PUSCH transmission timing; determining a power control adjustment for a sounding reference signal (SRS) transmission based on transmission power control (TPC) commands received in a time interval determined by one of the scheduling offset values and the additional offset; and transmitting SRS in an SRS transmission occasion, in accordance with the determined power control adjustment.
    Type: Application
    Filed: December 1, 2022
    Publication date: November 9, 2023
    Inventors: Liangping MA, Gokul SRIDHARAN, Xiao Feng WANG
  • Publication number: 20230361943
    Abstract: Methods, systems, and devices for wireless communications are described. A base station may identify time and frequency resources for a physical downlink shared channel (PDSCH) to be transmitted to a user equipment (UE) in a first transmission time interval (TTI). The base station may transmit configuration information for a control channel search space set in a second TTI. The second TTI may precede the first TTI. The configuration information may include an indication of an absence of a physical downlink control channel (PDCCH) transmission to send in the control channel search space set indicating the identified time and frequency resources for the PDSCH, and a set of time and frequency resources for the control channel search space set. The UE may receive the configuration information and identify the time and frequency resources allocated for the PDSCH in the second TTI, and receive the PDSCH transmission in the second TTI.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Inventors: Wooseok NAM, Sony AKKARAKARAN, Tao LUO, Xiao Feng WANG, Makesh Pravin JOHN WILSON, Sumeeth NAGARAJA, Shengbo CHEN, Yan ZHOU
  • Publication number: 20230360380
    Abstract: The present disclosure provides methods and/or systems for identifying an object. An example method includes: generating a plurality of synthesized images according to a three-dimensional digital model, the plurality of synthesized images having different view angles; respectively extracting eigenvectors of the plurality of synthesized images; generating a first fused vector by fusing the eigenvectors of the plurality of synthesized images; inputting the first fused vector into a classifier to train the classifier; acquiring a plurality of pictures of the object, the plurality of pictures respectively having same view angles as at least a portion of the plurality of synthesized images; respectively extracting eigenvectors of the plurality of pictures; generating a second fused vector by fusing the eigenvectors of the plurality of pictures; and inputting the second fused vector into the trained classifier to obtain a classification result of the object.
    Type: Application
    Filed: September 11, 2020
    Publication date: November 9, 2023
    Applicant: Siemens Aktiengesellschaft
    Inventors: Fan Bo Meng, Xiang Li, Xiao Feng Wang
  • Patent number: 11812431
    Abstract: The apparatus wireless communication may include a UE. The UE may receive a DL communication triggering a UL communication starting in a first UL slot/subframe from an NTN BS over at least one DL slot/subframe ending in a first DL slot/subframe. The UE may monitor for DL communications from the NTN BS in at least a subset of DL slots/subframes between the first DL slot/subframe and a second DL slot/subframe that is time-aligned with the first UL slot/subframe. The DL communication may trigger a second DL communication starting at a third DL slot/subframe and ending at a fourth DL slot/subframe, and the UL communication is based at least in part on receiving the second DL communication, and the UE may monitor the at least the subset of slots/subframes between the fourth DL slot/subframe and the second DL slot/subframe.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: November 7, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Ayan Sengupta, Alberto Rico Alvarino, Xiao Feng Wang, Liangping Ma, Le Liu, Bharat Shrestha, Peter Gaal, Jun Ma, Umesh Phuyal
  • Patent number: 11812420
    Abstract: Aspects described herein relate to configuring, at a device, default beam information for determining a beam for data channel communications. The device can determine to use the default beam information for configuring the beam for a data channel communication based on determining explicit beam information is not configured. In addition, the device can transmit, based on determining to use the default beam information, the data channel communication based on the beam configured using the default beam information.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: November 7, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Sony Akkarakaran, Xiao Feng Wang, Tao Luo, Wooseok Nam, Makesh Pravin John Wilson, Yan Zhou
  • Patent number: 11812473
    Abstract: A method of wireless communication by a user equipment (UE) calculates a propagation delay for sending a message from the UE to a network node, such as a base station, via non-terrestrial communications. The method sends a random access preamble to the base station while accounting for the calculated propagation delay. The method starts a random access response (RAR) window at a first physical downlink control channel (PDCCH) occasion after twice the calculated propagation delay from sending the random access preamble. The method receives a random access response (RAR) message from the base station during the RAR window. The RAR message includes an uplink grant indicating an uplink shared channel resource. Further, the method sends an uplink message to arrive during the uplink shared channel resource while accounting for the calculated propagation delay.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: November 7, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Bharat Shrestha, Umesh Phuyal, Alberto Rico Alvarino, Xiao Feng Wang, Prasad Reddy Kadiri, Le Liu, Liangping Ma
  • Publication number: 20230354314
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, based at least in part on a measurement gap configuration, a set of available slots for an uplink repetition configuration. The UE may transmit, using at least one slot of the set of available slots, at least one uplink repetition associated with the uplink repetition configuration. Numerous other aspects are described.
    Type: Application
    Filed: December 14, 2022
    Publication date: November 2, 2023
    Inventors: Liangping MA, Changhwan PARK, Gokul SRIDHARAN, Xiao Feng WANG, Bharat SHRESTHA
  • Publication number: 20230354441
    Abstract: Methods, systems, and devices for wireless communications are described. Described techniques provide for mitigating error in time or frequency adjustments for preambles of a random access procedure. A user equipment may use one value for the adjustment when transmitting data to a non-terrestrial network, but then transmit the preamble of a random access procedure according to a preamble-specific time or frequency adjustment based on one or more indications received from the network (e.g., rather than resetting the adjustment to “0”). By using some signaled value for the preamble-specific timing or frequency adjustment rather than resetting the adjustment to “0,” preamble reception performance may be maintained or improved with as many or fewer position measurements for the UE or non-terrestrial network entity.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 2, 2023
    Inventors: Ayan Sengupta, Alberto Rico Alvarino, Xiao Feng Wang, Liangping Ma, Umesh Phuyal, Le Liu
  • Patent number: 11804238
    Abstract: An optimization method for an implementation of mel-frequency cepstral coefficients is provided. The optimization method includes the following steps: performing a framing step, including using a 400×16 static random access memory to temporarily store a plurality of sampling points of a sound signal with overlap, and decomposing the sound signal into a plurality of frames. Each of the plurality of frames is 400 of the sampling points, there is an overlapping region between adjacent two of the plurality of frames, and the overlapping region includes 240 of the sampling points. The optimization method further includes performing a windowing step, which includes multiplying each of the plurality of frames by a window function in a bit-level design, and the optimization method includes performing a fast Fourier transform (FFT) step, which includes applying a 512 point FFT on a frame signal to obtain a corresponding frequency spectrum.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: October 31, 2023
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Li-Li Tan, Zhi-Lin Wang, Xiao-Feng Cao, Xiao-Huan Li
  • Patent number: 11805492
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a differential UE-specific timing advance (TA) based at least in part on a difference between a first UE-specific TA associated with a current global navigation satellite system (GNSS) position fix and a second UE-specific TA associated with a previous GNSS position fix. The UE may transmit, to a non-terrestrial network (NTN) node, an uplink message at a time that is based at least in part on the differential UE-specific TA. Numerous other aspects are described.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: October 31, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Liangping Ma, Xiao Feng Wang, Peter Gaal, Changhwan Park, Jun Ma, Bharat Shrestha, Ayan Sengupta, Alberto Rico Alvarino, Umesh Phuyal, Huilin Xu, Harikumar Krishnamurthy
  • Publication number: 20230345474
    Abstract: Systems and techniques are provided for wireless communications. For example, an apparatus (e.g., a user equipment (UE)) may receive a downlink transmission in a first downlink time slot and receiving an update to a scheduling offset associated with a propagation time delay of communications between the apparatus and a network entity. The update indicates an updated scheduling offset. The apparatus may determine a selected scheduling offset as one of the scheduling offset or the updated scheduling offset. The apparatus may transmit, using a second uplink time slot, an uplink transmission associated with the downlink transmission. The second uplink time slot may be determined based on a first uplink time slot and the selected scheduling offset.
    Type: Application
    Filed: April 24, 2023
    Publication date: October 26, 2023
    Inventors: Liangping MA, Alberto RICO ALVARINO, Xiao Feng WANG, Peter GAAL, Jae Ho RYU, Wanshi CHEN, Lianghai JI, Juan MONTOJO, Changhwan PARK, Bharat SHRESTHA
  • Publication number: 20230345385
    Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may obtain emission control information that indicates a first emission control configuration associated with a first operating configuration and a second emission control configuration associated with a second operating configuration. The UE may transmit, using the first emission control configuration or the second emission control configuration based at least in part on a UE operating configuration associated with the UE, a communication. Numerous other aspects are described.
    Type: Application
    Filed: April 21, 2022
    Publication date: October 26, 2023
    Inventors: Le LIU, Alberto RICO ALVARINO, Chiranjib SAHA, Changhwan PARK, Xiao Feng WANG, Peter GAAL, Umesh PHUYAL, Ebraam Adel KHALIFA, Kazuki TAKEDA, Marco PAPALEO, Stefano FACCIN, Juan MONTOJO
  • Patent number: 11799789
    Abstract: Methods, systems, and devices for wireless communications are described in which UEs may communicate with satellites and base stations or gateways in a non-terrestrial network (NTN). Due to the large distances between transmitting devices and receiving devices in a NTN, timing adjustments to account for propagation delay communications links via a satellite may include a propagation delay between a UE and a satellite, a propagation delay between a base station and a satellite, as well as a variation in the propagation delays due to movement of the satellite. In accordance with various techniques discussed herein, a UE may account for variation in propagation delay, in addition to determined propagation delay, when determining an uplink timing for uplink communications via a satellite.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: October 24, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Bharat Shrestha, Xiao Feng Wang, Umesh Phuyal, Alberto Rico Alvarino, Liangping Ma
  • Patent number: 11800460
    Abstract: A base station apparatus communicates using a first Radio Access Technology (RAT). The apparatus determines a combined Time Division Duplex Uplink/Downlink (TDD UL/DL) configuration for a User Equipment (UE) based on a first TDD UL/DL configuration for a first cell using the first RAT and a second TDD UL/DL configuration for a second cell using the first RAT. The apparatus sends an indication of the combined TDD UL/DL configuration to at least one of the UE and a second base station that uses a second RAT to communicate with the UE.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: October 24, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Xiao Feng Wang, Wanshi Chen, Peter Gaal
  • Publication number: 20230336212
    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus at a UE in NTN are provided. The UE may be configured to receive one or more FPC commands from an NTN. The UE may be further configured to transmit, in response to receiving the one or more FPC commands, an uplink transmission with a frequency change having a total FPC adjustment calculated based on (a) a current UE location update and a current UE velocity update, wherein the total FPC adjustment satisfies one or more threshold requirements, or (b) an intermediary UE location update between the current UE location update and a previous UE location update and an intermediary UE velocity update between the current UE velocity update and a previous UE velocity update.
    Type: Application
    Filed: September 30, 2022
    Publication date: October 19, 2023
    Inventors: Liangping MA, Changhwan PARK, Xiao Feng WANG, Mohamad SAYED HASSAN, Jun MA, Umesh PHUYAL, Peter GAAL, Huilin XU, Harikumar KRISHNAMURTHY, Bharat SHRESTHA, Alberto RICO ALVARINO, Ayan SENGUPTA