Patents by Inventor Beom-Sik Bae

Beom-Sik Bae 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: 11743801
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system for supporting higher data rates beyond 4th-generation (4G) communication systems such as a long term evolution (LTE) system. The disclosure includes a first evolved node B (eNB) in a communication system supporting dual connectivity. The first eNB includes a controller configured to detect that a path between a second eNB and a terminal is blocked, and a transmitter configured to transmit, to the terminal, a first data unit of a plurality of data units to be transmitted through the path between the second eNB and the terminal.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 29, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Kyung Jung, Beom-Sik Bae
  • Patent number: 11457349
    Abstract: A method and an apparatus are provided in a wireless communication system. The method includes generating mobility history information upon entering an evolved universal mobile telecommunications system (UMTS) radio access network (E-UTRAN) from another radio access technology (RAT), the mobility history information including information on a time duration for which the terminal stayed outside of the E-UTRAN; receiving, from a base station, a request for the mobility history information; and transmitting the mobility history information to the base station, in response to the request.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: September 27, 2022
    Inventors: Chae Gwon Lim, Kyeong In Jeong, Sung Ho Choi, Beom Sik Bae
  • Patent number: 11272475
    Abstract: The present invention relates to a wireless communication system and method for establishing connection between a User Equipment (UE) and a Mobility Management Entity (MME) in the wireless communication system in which the data-centric terminal requests the mobility management entity for attachment and checks, when the mobility management entity responds, data-centric features supported by the mobility management entity. According to the present invention, it is possible to connect the data-centric terminal to the mobility management entity supporting the data-centric features of the corresponding data-centric terminal efficiently in the wireless communication system.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 8, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Song Yean Cho, Han Na Lim, Chae Gwon Lim, Sung Ho Choi, Beom Sik Bae
  • Patent number: 11259194
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). A method for processing a radio link failure (RLF) by a user equipment (UE) supporting a dual-connectivity communication system is provided. The method includes determining a state of a radio link with a first base station using a reference signal, transmitting to a second base station, when the radio link with the first base station fails, a message indicating that the radio link with the first base station fails, redetermining the state of the radio link with the first base station using a reference signal of the first base station during a predetermined time, and switching, after the predetermined time, a data transmission line when the radio link with the first base station fails.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: February 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: June Hwang, Hyun-Jeong Kang, Beom-Sik Bae, Sang-Wook Kwon, Anil Agiwal
  • Patent number: 10952224
    Abstract: An apparatus and a method for transmitting and receiving a signal based on a mobility coverage class are provided. The method includes the operations of receiving, from a base station, information for estimating mobility and information for determining whether to return to a first mode, determining whether the terminal has mobility based on the information for estimating mobility, entering a second mode in which a predetermined coverage class is switched to the mobility coverage class when it is determined that the terminal has mobility, transmitting, to the base station, a second mode indicator indicating entry into the second mode, selecting one of coverage classes of the base station as the mobility coverage class, and transmitting and receiving a signal using a resource allocated to the selected mobility coverage class.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: March 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jin Lee, Jung-Soo Jung, Beom-Sik Bae, Young-Bin Chang
  • Patent number: 10924964
    Abstract: The present disclosure relates to a technology for providing a service of effectively transmitting and receiving data by simultaneously using a 3GPP system and a non-3GPP system in a network in which the 3GPP system and the non-3GPP system coexist. A communication method of a non-3GPP access network entity according to embodiments of the present disclosure includes receiving overload status information from a gateway; receiving a session management request message from a user equipment (UE); and transmitting a session management reject message comprising a back-off timer to the UE. According to the embodiment of the present disclosure, when a specific PDN (or APN) is overloaded, the overload state can be controlled.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: February 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Soo Jeong, Song Yean Cho, Beom Sik Bae, Young Kyo Baek
  • Patent number: 10893556
    Abstract: A method and apparatus for providing a local IP access service to a User Equipment (UE) attached to a femtocell including a Packet Data Network (PDN) gateway function in a wireless communication system. A method includes receiving a service request from a User Equipment (UE), transmitting an initial UE message including information on a local gateway to a Mobility Management Entity (MME), storing bearer information carried in an initial context setup request transmitted by the MME, receiving a Packet Data Network (PDN) connectivity request from the UE, forwarding the PDN connectivity request to the MME, receiving a create session request from the MME, and establishing a radio bearer with the local gateway, the local gateway being co-located with the femtocell.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: January 12, 2021
    Inventors: Song Yeon Cho, Chae Gwon Lim, Sung Oh Choi, Beom Sik Bae
  • Patent number: 10863436
    Abstract: The present invention is a method for transmitting a data packet by a user terminal in a mobile communication system. The method enters a power saving mode for transmitting the data packet only if a channel state satisfies a transmission threshold value, compares the index indicating the channel state and the transmission threshold value upon occurrence of a data packet to be transmitted, starts transmission of the data packet if the index indicating the channel state is greater than the transmission threshold value, and proceeds with the transmission of the data packet until the time set by the timer that starts at the same time as the transmission of the data packet expires.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: December 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Soo Jeong, Song-Yean Cho, Soeng-Hu Kim, Han-Na Lim, Beom-Sik Bae, Young-Kyo Baek
  • Publication number: 20200322784
    Abstract: A method and an apparatus are provided in a wireless communication system. The method includes generating mobility history information upon entering an evolved universal mobile telecommunications system (UMTS) radio access network (E-UTRAN) from another radio access technology (RAT), the mobility history information including information on a time duration for which the terminal stayed outside of the E-UTRAN; receiving, from a base station, a request for the mobility history information; and transmitting the mobility history information to the base station, in response to the request.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Inventors: Chae Gwon LIM, Kyeong In JEONG, Sung Ho CHOI, Beom Sik BAE
  • Patent number: 10785675
    Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure relates to a method and a device for controlling traffic of an electronic device in a wireless communication system, and the method can comprise the steps of: detecting a plurality of parts of traffic flows corresponding to at least one application; and preferentially processing the plurality of parts of traffic flows on the basis of application related information on each of the detected plurality of parts of traffic flows.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 22, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Ho Lee, Beom-Sik Bae, Ji-Cheol Lee
  • Publication number: 20200296651
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system for supporting higher data rates beyond 4th-generation (4G) communication systems such as a long term evolution (LTE) system. The disclosure includes a first evolved node B (eNB) in a communication system supporting dual connectivity. The first eNB includes a controller configured to detect that a path between a second eNB and a terminal is blocked, and a transmitter configured to transmit, to the terminal, a first data unit of a plurality of data units to be transmitted through the path between the second eNB and the terminal.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Ha-Kyung JUNG, Beom-Sik BAE
  • Publication number: 20200213882
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). A method for processing a radio link failure (RLF) by a user equipment (UE) supporting a dual-connectivity communication system is provided. The method includes determining a state of a radio link with a first base station using a reference signal, transmitting to a second base station, when the radio link with the first base station fails, a message indicating that the radio link with the first base station fails, redetermining the state of the radio link with the first base station using a reference signal of the first base station during a predetermined time, and switching, after the predetermined time, a data transmission line when the radio link with the first base station fails.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: June HWANG, Hyun-Jeong KANG, Beom-Sik BAE, Sang-Wook KWON, Anil AGIWAL
  • Patent number: 10694371
    Abstract: A method and an apparatus are provided in a wireless communication system. Mobility history information is generated including information on a time duration corresponding to out-of-service. It is identified whether the terminal is in a radio resource control (RRC) connected mode. The mobility history information is transmitted to a base station if the terminal is in the RRC connected mode.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chae Gwon Lim, Kyeong In Jeong, Sung Ho Choi, Beom Sik Bae
  • Patent number: 10694446
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system for supporting higher data rates beyond 4th-generation (4G) communication systems such as a long term evolution (LTE) system. The disclosure includes a first evolved node B (eNB) in a communication system supporting dual connectivity. The first eNB includes a controller configured to detect that a path between a second eNB and a terminal is blocked, and a transmitter configured to transmit, to the terminal, a first data unit of a plurality of data units to be transmitted through the path between the second eNB and the terminal.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Kyung Jung, Beom-Sik Bae
  • Patent number: 10681694
    Abstract: The present invention relates to a 5th-generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate beyond a 4th-generation (4G) communication system such as long term evolution (LTE). The present invention relates to a method for performing a random access process by a base station in a communication system supporting a beamforming scheme, the method comprising the steps of: transmitting information on a reception beam corresponding to each unit time interval; performing, in each unit time interval, a reception beam sweeping process on the basis of the reception beam corresponding to each unit time interval; stopping the reception beam sweeping process when, in the process of performing the reception beam sweeping process, it is detected that a random access process should be performed with a UE in a specific unit time interval; and performing the random access process with the UE.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Won Kim, Hyun-Kyu Yu, Yong-Seok Kim, Beom-Sik Bae
  • Patent number: 10681750
    Abstract: The present invention relates to a 5G or pre-5G communication system for supporting high data throughput beyond the 4G communication systems such as LTE. A method for a server for supporting the mobility of a user equipment (UE) in a mobile communication network comprises the steps of: establishing an IP flow with the UE utilizing a first IP address to transceive data; receiving a message comprising a second IP address allocated to the UE and an identifier for the IP flow; generating a tunnel interface for communicating with the UE having the second IP address as the ending IP address, and binding the IP flow allocated to the identifier to the generated tunnel interface; and transceiving data with the UE by means of the tunnel interface.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: June 9, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yegin Alper, Jung-Shin Park, Beom-Sik Bae, Ji-Cheol Lee, Jin-Sung Lee
  • Publication number: 20200137711
    Abstract: The present invention relates to a wireless communication system and method for establishing connection between a User Equipment (UE) and a Mobility Management Entity (MME) in the wireless communication system in which the data-centric terminal requests the mobility management entity for attachment and checks, when the mobility management entity responds, data-centric features supported by the mobility management entity. According to the present invention, it is possible to connect the data-centric terminal to the mobility management entity supporting the data-centric features of the corresponding data-centric terminal efficiently in the wireless communication system.
    Type: Application
    Filed: December 23, 2019
    Publication date: April 30, 2020
    Inventors: Song Yean CHO, Han Na LIM, Chae Gwon LIM, Sung Ho CHOI, Beom Sik BAE
  • Patent number: 10602382
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). A method for processing a radio link failure (RLF) by a user equipment (UE) supporting a dual-connectivity communication system is provided. The method includes determining a state of a radio link with a first base station using a reference signal, transmitting to a second base station, when the radio link with the first base station fails, a message indicating that the radio link with the first base station fails, redetermining the state of the radio link with the first base station using a reference signal of the first base station during a predetermined time, and switching, after the predetermined time, a data transmission line when the radio link with the first base station fails.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: March 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: June Hwang, Hyun-Jeong Kang, Beom-Sik Bae, Sang-Wook Kwon, Anil Agiwal
  • Publication number: 20200045584
    Abstract: The present disclosure relates to a technology for providing a service of effectively transmitting and receiving data by simultaneously using a 3GPP system and a non-3GPP system in a network in which the 3GPP system and the non-3GPP system coexist. A communication method of a non-3GPP access network entity according to embodiments of the present disclosure includes receiving overload status information from a gateway; receiving a session management request message from a user equipment (UE); and transmitting a session management reject message comprising a back-off timer to the UE. According to the embodiment of the present disclosure, when a specific PDN (or APN) is overloaded, the overload state can be controlled.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Inventors: Sang Soo Jeong, Song Yean Cho, Beom Sik Bae, Young Kyo Baek
  • Patent number: 10542449
    Abstract: The present invention relates a 5-th generation (5G) or pre-5G communication system provided to support a higher data transmission rate beyond a 4th-generation (4G) communication system such as long term evolution (LTE). The present invention relates to a method for transmitting or receiving a signal in a mobile communication network, the method comprising the steps of: detecting a traffic characteristic of a traffic provided to a terminal; determining, on the basis of the traffic characteristic, a first radio access technology (RAT) to be applied to an uplink of the terminal and a second RAT to be applied to a downlink of the terminal; and controlling the uplink and the downlink of the terminal on the basis of the first RAT and the second RAT.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: January 21, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ha-Kyung Jung, Beom-Sik Bae