Patents by Inventor Rakesh Tamrakar

Rakesh Tamrakar 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: 20230239767
    Abstract: A network access method and a terminal are provided. The network access method performed by the terminal includes receiving a reference signal transmitted by a network-side device. The reference signal includes a first reference signal, or includes a first reference signal and a second reference signal. The first reference signal is an Single-Frequency Network (SFN)-specific reference signal, or the second reference signal is a cell or Transmission Reception Point (cell/TRP)-specific reference signal. The network access method further includes performing an initial access-related operation based on the received reference signal.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 27, 2023
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Li CHEN, Xueming PAN, Dajie JIANG, Rakesh TAMRAKAR, Peng SUN, Kai WU, Xiaodong SHEN, Na LI
  • Publication number: 20230232388
    Abstract: A communication resource activation method includes: activating, by a network side device, a target communication resource of a terminal, and performing uplink beam scanning on the target communication resource while activating the target communication resource, where the target communication resource includes: a secondary cell or a BWP in a dormant state.
    Type: Application
    Filed: March 29, 2023
    Publication date: July 20, 2023
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Rakesh TAMRAKAR, Peng SUN
  • Publication number: 20230179277
    Abstract: This application discloses a beam training method and apparatus, a terminal device, and a network device. The beam training method in this application includes: measuring at least two reference signals used for beam training and forwarded by an auxiliary device in at least two forwarding modes to obtain measurement information, where the measurement information is used for indicating an optimal forwarding mode of the auxiliary device, and a forwarding mode of the auxiliary device is determined by using a beam direction of a forwarded signal of the auxiliary device and a beam phase of the forwarded signal of the auxiliary device; and reporting the measurement information to a network device.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 8, 2023
    Inventors: Kun YANG, Dajie JIANG, Hao LIU, Rakesh Tamrakar
  • Patent number: 11664876
    Abstract: A method and a device for transmitting downlink reception beam training signals are provided. The method at the second device side includes: receiving a downlink reception beam training trigger notification message sent by a first device; receiving downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message; and performing a downlink reception beam training based on the downlink reception beam training signals. The method at the first device side includes: sending a downlink reception beam training trigger notification message to a second device when determining that a downlink reception beam training is to be performed for the second device, and sending downlink reception beam training signals to the second device after the downlink reception beam training trigger notification message is sent to the second device.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: May 30, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Qiuping Huang, Qiubin Gao, Runhua Chen, Hui Li, Rakesh Tamrakar, Yang Song, Xin Su, Yu Yang, Mengjun Wang, Chuanjun Li
  • Patent number: 11658849
    Abstract: The present disclosure provides an indication method, including: determining first transmission resources related to a transmission channel for a large-scale channel parameter or a group of large-scale channel parameters, and transmitting configuration information about the first transmission resources to a terminal device via first signaling, the first transmission resources being transmission resources for K downlink reference signals, K being a positive integer; and selecting second transmission resources from the first transmission resources in accordance with a transmission parameter used by the transmission channel, and transmitting indication information about the second transmission resources to the terminal device via second signaling, the second transmission resources being transmission resources for L downlink reference signals, L being a positive integer, and K being greater than or equal to L.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: May 23, 2023
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Qiubin Gao, Rakesh Tamrakar, Runhua Chen, Xin Su
  • Patent number: 11510203
    Abstract: A method and an apparatus for determining an uplink transmission beam are provided. The method includes: a base station transmitting uplink transmission beam indication information to a terminal; where the uplink transmission beam indication information includes beam type indication information, the beam type indication information is used to indicate that the uplink transmission beam for the terminal is obtained based on uplink reference signals, or the beam type indication information is used to indicate that the uplink transmission beam for the terminal is obtained based on downlink reference signals, so as to ensure that the base station is capable of selecting an uplink transmission beam for the terminal.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: November 22, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Qiubin Gao, Rakesh Tamrakar, Xin Su, Runhua Chen
  • Publication number: 20220368491
    Abstract: A method for triggering an aperiodic SRS resource set and a device are provided. The method includes: receiving downlink control information (DCI), where the DCI is used to activate an aperiodic sounding reference signal (SRS) unit; and sending the SRS unit in at least one valid window corresponding to the activated SRS unit, where there is at least one valid slot in the valid window.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 17, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Yuan SHI, Rakesh TAMRAKAR, Zhen WANG
  • Patent number: 11490403
    Abstract: A data transmission method and a data transmission device are provided. The method includes: receiving first indication information sent by a network side device, the first indication information is used to instruct the UE to send a first signal; and determining actual first uplink transmission characteristic of the first signal when valid first uplink transmission characteristic of the first signal is not obtained, and sending the first signal through the actual first uplink transmission characteristic, or not sending the first signal when valid first uplink transmission characteristic of the first signal is not obtained.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: November 1, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Qiuping Huang, Runhua Chen, Qiubin Gao, Rakesh Tamrakar
  • Patent number: 11463219
    Abstract: The present disclosure provides a reference signal transmission method, a reference signal transmission device, a base station and a user equipment. The transmission method of the present disclosure includes: implicitly or explicitly indicating to a user equipment (UE), position information of a target subcarrier for mapping a target phase tracking reference signal (PTRS) port, among subcarriers occupied by a target demodulation reference signal (DMRS) port. The target DMRS port is a DMRS port associated with the target PTRS port.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: October 4, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Hui Li, Qiubin Gao, Rakesh Tamrakar, Runhua Chen, Xin Su, Deshan Miao, Qiuping Huang
  • Publication number: 20220286252
    Abstract: A reference signal sending method and a transmitter are provided. The method includes: determining a time-frequency resource pattern of a target reference signal used for interference measurement, where the time-frequency resource pattern is used to indicate a time domain location and a frequency domain location of the target reference signal; and sending the target reference signal based on the time-frequency resource pattern.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Hao LIU, Peng SUN, Yang SONG, Rakesh TAMRAKAR, Kaili ZHENG
  • Patent number: 11419070
    Abstract: A method for acquiring system information, a method for transmitting system information, a terminal, a network reception and transmission node and a storage medium are provided. The method for acquiring the system information includes: receiving a synchronization signal transmitted from a network reception and transmission node, and acquiring feature information of the synchronization signal, node information of the network reception and transmission node and a correspondence between the feature information and a transmitting position of the system information; acquiring the transmitting position of the system information corresponding to the node information based on the feature information and the correspondence; and receiving, at the transmitting position of the system information, the system information transmitted from the network reception and transmission node.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: August 16, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Rakesh Tamrakar, Runhua Chen, Qiubin Gao, Qiuping Huang, Hui Li, Chuanjun Li, Yang Song, Xin Su, Yu Yang, Mengjun Wang
  • Publication number: 20220247472
    Abstract: A coding method includes: reporting N PMIs to a network device; where each PMI is corresponding to one channel; a first PMI includes channel information of a channel corresponding to a second PMI; and the first PMI is one of the N PMIs, the second PMI is at least one PMI before the first PMI, and N is a positive integer greater than 1.
    Type: Application
    Filed: April 13, 2022
    Publication date: August 4, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Ang YANG, Peng SUN, Rakesh TAMRAKAR
  • Publication number: 20220217776
    Abstract: Embodiments of the present application discloses an information indicating method, a device and a system. The method includes: sending a physical uplink shared channel (PUSCH), wherein the PUSCH bears uplink control information (UCI), the UCI is used to indicate at least one of the following: remaining MCOT information which is used to indicate a remaining maximum channel occupancy time (MCOT) of a channel occupancy time (COT) within which a user equipment (UE) performs uplink transmission, or a target time period. The target time period includes: a time period for allowing a network device to transmit downlink data within COT within which uplink transmission is performed.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Can LI, Xiaodong SHEN, Rakesh TAMRAKAR
  • Publication number: 20220159500
    Abstract: A sidelink measurement result obtaining method, a sidelink measurement result sending method, and a terminal are provided. The method includes: obtaining a sidelink measurement result, where associated information of the measurement result corresponds to a measurement signal associated with the measurement result, and the associated information includes at least one of the following: a feedback window, identifier information, a feedback resource, and HARQ feedback information, where the HARQ feedback information is HARQ feedback information sent together with the measurement result, and the HARQ feedback information corresponds to a measurement signal.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Inventors: Zichao JI, Rakesh TAMRAKAR, Peng SUN, Huaming WU, Siqi LIU
  • Patent number: 11336339
    Abstract: Provided in the present disclosure are a precoding matrix indication method, a terminal, and a network device, the method includes: receiving, by a terminal, a control signaling transmitted from a network side device, wherein the control signaling includes N bits of precoding information, and the N is a positive integer; determining, by the terminal, a quantity of precoding granules according to a scheduling resource, and determining, by the terminal, bits of the precoding information of each of the precoding granules in the N bits of precoding information according to the quantity of the precoding granules, wherein each of the precoding granules includes at least one subband, and each of the at least one subband includes at least one PRB; and acquiring, by the terminal, a precoding matrix indicated by the bits of the precoding information of each of the precoding granules.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: May 17, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Rakesh Tamrakar, Qiubin Gao, Hui Li
  • Publication number: 20220150841
    Abstract: Embodiments of this disclosure disclose an uplink full-power transmission method and a device. The method is applied to a terminal device and includes: performing uplink transmission based on an uplink transmit power obtained through scaling by a power scaling coefficient, where the power scaling coefficient is determined based on a power control factor, and the power control factor includes at least one of the following: an uplink full-power transmission capability of the terminal device, a supported transmission precoding matrix indicator TPMI reported by the terminal device, a TPMI delivered by a network device, a working mode reported by the terminal device, or the number of antenna ports for each SRS resource in a sounding reference signal SRS resource set that is configured by the network device based on the working mode.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 12, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaodong SUN, Rakesh TAMRAKAR, Peng SUN
  • Patent number: 11329708
    Abstract: A CSI feedback method and a CSI feedback device are provided.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: May 10, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Hui Li, Qiubin Gao, Runhua Chen, Wenhong Chen, Rakesh Tamrakar
  • Patent number: 11323219
    Abstract: A triggering method and a transmitting method for an uplink reference signal in a communication system, apparatuses thereof, and a storage medium are provided. The communication system includes at least two different signal parameters. The triggering method applied to a network side includes: generating, by the network side, a trigger signaling for triggering a terminal to transmit the uplink reference signal to the network side for one or more times; and transmitting, by the network side, the trigger signaling to the terminal.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: May 3, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Rakesh Tamrakar, Runhua Chen, Qiubin Gao, Hui Li, Qiuping Huang, Yang Song, Chuanjun Li, Mengjun Wang, Xin Su, Yu Yang
  • Patent number: 11316634
    Abstract: Embodiments of the present disclosure provide a signal processing method and a signal processing device, which relate to the field of communication technology and used for the purpose of saving signaling resources.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: April 26, 2022
    Assignee: Datang Mobile Communications Equipment Co., Ltd.
    Inventors: Rakesh Tamrakar, Qiubin Gao, Hui Li
  • Patent number: 11304187
    Abstract: Embodiments of the present disclosure provide a data transmission method, a data transmission device, a network side device and UE. The data transmission method is applied to a first device and includes: transmitting Uplink (UL) Sounding Reference Signal (SRS) resource configuration information to a second device, where the SRS resource configuration information indicates K SRS resources; receiving an SRS signal transmitted from the second device according to the SRS resource configuration information; determining an SRS Resource Indicator (SRI), where the SRI indicates L SRS resources in the K SRS resources, L is an integer that is larger than or equals 1 and L is less than or equals K; and transmitting the SRI to the second device.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: April 12, 2022
    Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
    Inventors: Runhua Chen, Qiubin Gao, Rakesh Tamrakar, Hui Li, Qiuping Huang, Xin Su