Patents by Inventor Chengjun Sun

Chengjun Sun 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: 20210297300
    Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present invention provide a multiple access method, a multiple access transmitter and a multiple access receiver.
    Type: Application
    Filed: March 26, 2018
    Publication date: September 23, 2021
    Inventors: Chuang ZHANG, Qi XIONG, Chen QIAN, Bin YU, Chengjun SUN
  • Patent number: 11122530
    Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for interne of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method of synchronizing device to device (D2D) terminals. Under partial coverage (PC) scenarios, an in coverage user equipment (ICUE) may send a D2D synchronization signal (D2DSS) and a physical sidelink broadcast channel (PSBCH) on synchronization resources of a cell to implement mutual discovery of an ICUE and an out of coverage user equipment (OCUE) when a condition for triggering the D2DSS is satisfied.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: September 14, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shichang Zhang, Yingyang Li, Chengjun Sun
  • Publication number: 20210259429
    Abstract: Disclosed is a supporting module, which comprises a sensing spring, an outer spring and a sensor, wherein the sensing spring is slightly higher than the outer spring, the sensing spring is sleeved inside the outer spring, and the bottom of the sensing spring is connected to the sensor. Further disclosed is an automatically adjustable bed, comprising the supporting module.
    Type: Application
    Filed: June 22, 2018
    Publication date: August 26, 2021
    Inventors: Chengjun SUN, Kuntao LU, Zhong LIU, Yong LE, MingLiang SU
  • Patent number: 11101921
    Abstract: A method and apparatus are provided for reporting channel state information (CSI) by a user equipment (UE). The method includes identifying two interference measurement resources, if the UE is configured with two CSI subframe sets by a base station (BS); obtaining CSI based on an interference measurement resource within a subframe set; and reporting the obtained CSI associated with the subframe set to the BS.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: August 24, 2021
    Inventors: Yingyang Li, Chengjun Sun
  • Publication number: 20210227483
    Abstract: The present disclosure provides several methods, user equipment (UEs) and base stations for transmitting uplink signals. After receiving uplink synchronization command information, the UE may transmit an uplink signal on at least one idle unlicensed cell. Besides, the UE may try to transmit the uplink signal on multiple uplink signal resources within an uplink signal transmission window. By using the present disclosure, transmission probability of uplink signals may be improved, and time delay of uplink synchronization may be shortened.
    Type: Application
    Filed: April 5, 2021
    Publication date: July 22, 2021
    Inventors: Yi Wang, Shichang Zhang, Yingyang Li, Chengjun Sun, Jingxing Fu
  • Publication number: 20210204219
    Abstract: Disclosed is a method for transmitting data by a user equipment (UE) in a wireless communication system including receiving scheduling information for scheduling a plurality of uplink (UL) subframes, identifying a UL subframe u among the plurality of UL subframes, determining a first transmit power for a physical uplink shared channel (PUSCH) in the UL subframe u, selecting a transmit power among the first transmit power and a predetermined second transmit power, and transmitting data through the PUSCH in the UL subframe u using the selected transmit power, wherein the first transmit power is determined based on a first power adjustment factor for a UL subframe (u?1), in case that the UL subframe u is different from a first scheduled UL subframe among the plurality of UL subframes, and wherein the first transmit power is determined based on a second power adjustment factor for the UL subframe u, in case that the UL subframe u is the first UL subframe.
    Type: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Inventors: Shichang ZHANG, Yingyang LI, Chengjun SUN
  • Patent number: 11050520
    Abstract: Methods, device, and User Equipment (UE) for processing a soft buffer, used in a Time Division Duplexing (TDD) system where uplink-downlink subframe distribution changes dynamically, are provided. A first method includes allocating, by a base station, transmission resources for a UE, and determining a parameter for processing a soft buffer, and performing rate matching for Physical Downlink Shared Channel (PDSCH); and sending, by the base station, data to the UE via Physical Downlink Control Channel (PDCCH) and PDSCH. The second method includes receiving, by a UE information of transmission resources allocated to the UE by a base station, and determining a parameter for processing a soft buffer; and receiving, by the UE, PDCCH and PDSCH sent by the base station according to the transmission resources and the parameter for processing the soft buffer.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: June 29, 2021
    Inventors: Yingyang Li, Chengjun Sun
  • Patent number: 11006412
    Abstract: Embodiments of the present invention disclose an ACK/NACK feedback method in a wireless communication system, including: determining, by a UE, number of public sub-frames, all of which are uplink sub-frame in PCC and any SCC sub-frames of any radio frame in frame structure configurations according to the frame structure configurations of the PCC and any SCC; selecting, by the UE, a configuration, uplink sub-frames of which merely include sub-frames corresponding to the determined number of public sub-frames from existing seven kinds of frame structure configurations; and feeding back, by the UE, to a eNB ACK/NACK information corresponding to PDSCH in the SCC on the PCC adopting a timing relationship between the PDSCH and the ACK/NACK corresponding to the selected configuration.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: May 11, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong He, Yingyang Li, Chengjun Sun
  • Patent number: 10972989
    Abstract: The present disclosure provides several methods, user equipment (UEs) and base stations for transmitting uplink signals. After receiving uplink synchronization command information, the UE may transmit an uplink signal on at least one idle unlicensed cell. Besides, the UE may try to transmit the uplink signal on multiple uplink signal resources within an uplink signal transmission window. By using the present disclosure, transmission probability of uplink signals may be improved, and time delay of uplink synchronization may be shortened.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 6, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yi Wang, Shichang Zhang, Yingyang Li, Chengjun Sun, Jingxing Fu
  • Patent number: 10959180
    Abstract: Disclosed is a method for transmitting data by a user equipment (UE) in a wireless communication system including receiving, from a base station, scheduling information for scheduling a plurality of uplink (UL) subframes, determining a first transmit power for a physical uplink shared channel (PUSCH) in a UL subframe u among the plurality of UL subframes based on a first power adjustment factor for a UL subframe (u?1) before the UL subframe u among the plurality of UL subframes, in case that the UL subframe u is different from a first subframe scheduled by the scheduling information, identifying a minimum transmission power from among the first transmission power and a maximum transmission power predetermined for the UE, and transmitting data through the PUSCH in the UL subframe u using the identified minimum transmission power.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: March 23, 2021
    Inventors: Shichang Zhang, Yingyang Li, Chengjun Sun
  • Patent number: 10912037
    Abstract: The present invention provides an apparatus and method for uplink signal power control in a dynamic Time Division Duplexing (TDD) cell. According to the method, after accessing a dynamic TDD cell, a User Equipment (UE) receives from an evolved NodeB (eNB) an uplink power control parameter which has been adjusted for a conflict uplink sub-frame.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: February 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shichang Zhang, Chengjun Sun, Yingyang Li
  • Publication number: 20200413418
    Abstract: Disclosed is a method for communication by a base station in a wireless communication system, including transmitting, to a user equipment (UE), downlink control information (DCI) including information on a modulation and coding scheme (MCS) for processing downlink data using an MCS table among a plurality of tables, and transmitting, to the UE, the downlink data, wherein each of the plurality of MCS tables indicates modulation orders and code rates, wherein the plurality of MCS tables comprises a first MCS table which supports 256 quadrature amplitude modulation (QAM) and a second MCS table which does not support 256 QAM, and wherein a number of MCS indexes in the first MCS table is equal to a number of MCS indexes in the second MCS table.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Inventors: Yingyang LI, Chengjun SUN
  • Patent number: 10862641
    Abstract: The present disclosure provides a data transmission method. A UE receives CSI-RS configuration signaling from a base station, measuring and reporting CSI according to the CSI-RS configuration signaling. The UE receives scheduling signaling from the base station, and receives downlink data according to the scheduling signaling. The method provides a way of measuring and feeding back CSI with reduced CSI-RS overhead. The method can configure DMRS ports in a flexible manner. Therefore, performances of MU-MIMO can be optimized.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: December 8, 2020
    Inventors: Yingyang Li, Chengjun Sun
  • Patent number: 10859578
    Abstract: Methods and compositions are provided that include a multichromophore and/or multichromophore complex for identifying a target biomolecule. A sensor biomolecule, for example, an antibody can be covalently linked to the multichromophore. Additionally, a signaling chromophore can be covalently linked to the multichromophore. The arrangement is such that the signaling chromophore is capable of receiving energy from the multichromophore upon excitation of the multichromophore. Since the sensor biomolecule is capable of interacting with the target biomolecule, the multichromophore and/or multichromophore complex can provide enhanced detection signals for a target biomolecule.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: December 8, 2020
    Assignee: SKIGEN, INC.
    Inventors: Brent S. Gaylord, Janice W. Hong, Tsu-Ju Fu, ChengJun Sun, Russell A. Baldocchi
  • Patent number: 10849122
    Abstract: The present disclosure discloses cache-based data transmission methods and apparatuses. The method is implemented as follows. An apparatus where a caching node is located reports a caching capability to a network side, and the caching node is configured to cache data. The network side sends a cache indicating parameter to the apparatus where the caching node is located, and maintains a data list. Wherein, the cache indicating parameter is configured to control the caching node to cache the data which has the property of high repetition probability and/or high cache utilization, and the data list is a list of the data cached in the caching node. When the caching node has cached data requested by a UE, the UE obtains the requested data from the caching node.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: November 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong Wang, Lixiang Xu, Chengjun Sun, Bin Yu
  • Patent number: 10848999
    Abstract: The present invention discloses a method and an apparatus for reporting channel state information (CSI). In the method, a UE receives information of a CSI report, analyzes the information of the CSI report, determines a frequency band of the CSI report, a report type of the CSI report, a report mode of the CSI report, a CSI process of the CSI report, a combination of at least one in a CSI subframe set and/or cells, and a report way of the CSI report. According to the method, it is ensured that in a condition that a part of uplink subframes are occupied, transmission of the CSI report of the UE is not impacted.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: November 24, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yunchuan Yang, Yingyang Li, Shichang Zhang, Chengjun Sun, Jingxing Fu
  • Publication number: 20200359406
    Abstract: The present disclosure is to provide a method of configuring timing of uplink (UL) transmission, comprising, receiving, by a user equipment (UE), configuration information on carrier aggregation (CA) of at least one frequency division duplex (FDD) cell and at least one time division duplex (TDD) cell; and adjusting, by the UE, starting timing of a UL subframe in a cell participating in the CA.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Inventors: Yingyang LI, Chengjun SUN
  • Publication number: 20200359237
    Abstract: An apparatus and a method for feeding back data receiving status, applied to a system, are provided. The method includes sequencing, by a User Equipment (UE), downlink subframes for transmitting data with respect to each Component Carrier (CC), generating receiving status feedback information for the first X downlink subframes with respect to each CC according to the result of the sequencing, where X?M, wherein M is the number of downlink subframes on each CC, and transmitting the receiving status feedback information generated with respect to each CC to a base station. Accordingly, the UE will not misinterpret the receiving status for the downlink subframes due to inconsistencies with the base station between transmitting and receiving feedback. This affects the Hybrid Automatic Repeat Request (HARQ) transmission, saves the uplink overheads occupied by the receiving status feedback information, and increases the uplink coverage area.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Inventors: Yingyang LI, Chengjun SUN, Xiaoqiang LI
  • Publication number: 20200359342
    Abstract: The present application discloses a method for data transmission in a radio cell of a mobile terminal. The radio cell includes an auxiliary carrier in a low frequency band and at least one master carrier in a high frequency band, the method including: the mobile terminal achieving downlink synchronization with the radio cell through the auxiliary carrier in the low frequency band, and after achieving the downlink synchronization, obtaining configuration information of the radio cell, and transmitting data by using the master carrier and/or the auxiliary carrier according to the configuration information. The present application also provides a mobile terminal. By using the present application, radio cell coverage and transmission performance may be improved.
    Type: Application
    Filed: July 27, 2020
    Publication date: November 12, 2020
    Inventors: Shichang ZHANG, Bin YU, Chengjun SUN
  • Patent number: 10805947
    Abstract: The present invention provides a method for uplink packet scheduling, comprising the following steps: a base station determines types of terminals, and groups the terminals based on types thereof; the base station transmits pre-scheduling indication information and uplink scheduling commands to the terminals in a group with a same type; the base station receives Physical Uplink Shared Channel (PUSCH) transmitted by the terminals on a corresponding uplink sub-frame. The present invention further provides a base station and a terminal. In the above solution provided by this invention, eNB sorts accessed MTC terminals into different types of groups based on types thereof via a high-layer signaling, part of the MTC terminals in a type group are sorted into a scheduling group via a pre-scheduling instruction carried by PDSCH, all the MTC terminals in that group are scheduled via an uplink scheduling command.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shichang Zhang, Yingyang Li, Chengjun Sun