Patents by Inventor Hyun-Jeong Kang

Hyun-Jeong Kang 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).

  • Apparatus and method of cooperating with multiple base stations in wireless communication system
    Patent number: 10159072
    Abstract: A method and an apparatus of cooperating with a plurality of base stations in a wireless communication system. A cloud cell is configured with a plurality of base stations that cooperate with each other for a mobile station and synchronizes user contexts for serving the mobile station among the plurality of base stations included in the cloud cell, and the plurality of base stations cooperate with each other to provide a communication service to the mobile station. The present disclosure reduces generation of a handover when the mobile station moves between base stations, and increases the data yield of the mobile station by transmitting and receiving data in cooperation with base stations in a cloud cell at a shaded area or a cell border.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: December 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Bin Chang, Rakesh Taori, Hyun-Jeong Kang, Jung-Shin Park, Yeong-Moon Son
  • Handover method and apparatus in a wireless communication system
    Patent number: 10159021
    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 provides an operating method and apparatus for supporting a handover to support a high reliability and low latency service in a wireless communication system. The method of operating the terminal includes receiving data from a service via a first base station (BS), transmitting, to the first BS, a bearer establishment command message between the first BS and a second BS determined by movement information of the terminal, and receiving, from the second BS, data transmitted from the second BS via the established bearer between the first BS and the second BS.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: December 18, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngjoong Mok, Hyun Jeong Kang, Sangwook Kwon, Kyungkyu Kim
  • Method and apparatus for controlling uplink power in wireless communication system
    Patent number: 10142940
    Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: November 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Heui Ryoo, Jung-Soo Jung, Hyun-Jeong Kang, Jong-Hyung Kwun, Sung-Jin Lee
  • Method and apparatus for controlling uplink power in wireless communication system
    Patent number: 10111178
    Abstract: A method and an apparatus for controlling uplink power in a wireless communication system are provided. The method for controlling uplink power of a User Equipment (UE) forming a transmission link with a plurality of BSs (BSs), a power headroom report trigger event by at least one of the plurality of BSs is detected. Power headroom information of the UE is reported to at least one of the plurality of BSs.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: October 23, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sun-Heui Ryoo, Jung-Soo Jung, Hyun-Jeong Kang, Jong-Hyung Kwun, Sung-Jin Lee
  • Method and apparatus for operating electronic device detachable from another electronic device
    Patent number: 10104217
    Abstract: An electronic device is provided. The electronic device includes a first electromagnet mounted to a side surface of the electronic device and configured to generate a magnetic force, a data channel terminal configured to transmit and receive a signal for detecting whether another electronic device is attached, and a processor configured to determine at least one of a polarity and a strength of the magnetic force of the first electromagnet for an attachment or detachment between the electronic device and the other electronic device, control the first electromagnet according to at least one of the determined polarity and strength, and detect an attachment or detachment state between the electronic device and the other electronic device.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: October 16, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyungkyu Kim, Youngjoong Mok, Sangwook Kwon, Hyun Jeong Kang, Jae-Seung Son, Youngbin Chang
  • METHOD AND APPARATUS FOR PROVIDING OPTIMAL TRANSMISSION AND RECEPTION BEAMS IN BEAMFORMING SYSTEM
    Publication number: 20180278297
    Abstract: A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Inventors: Jung-Soo Jung, Hyun-Jeong Kang, Young-Bin Chang, Suk-Won Kim, Sang-Kyu Baek
  • Apparatus and method for transmitting data signals in wireless communication system
    Patent number: 10080227
    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 terminal and method are provided for data signal transmission in a wireless communication system. The method includes receiving identification information of a band designated for the terminal; receiving a data signal generated based on resource allocation information on the band and an orthogonal frequency division multiple access (OFDMA) scheme; and demodulating and decoding the data signal based on the resource allocation information.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: September 18, 2018
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Sung-Kyu Jung, Jong-Ho Oh, Hyun-Jeong Kang, Dae-Hyun Kim, Jae-Won Kim, Chang-Hyun Baik, Sang-Hyun Chang, Byoung Hoon Jung, Hyun-Kyu Yu
  • METHOD AND APPARATUS FOR CHANGING BASE STATION IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180249390
    Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 30, 2018
    Inventors: Anil AGIWAL, June HWANG, Hyun-Jeong KANG, Young-Bin CHANG, Sang-Wook KWON, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK
  • METHOD AND APPARATUS FOR IMPLEMENTING WIRELESS PROTOCOL CONFIGURABLE ACCORDING TO SERVICES AND DEVICES
    Publication number: 20180249513
    Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.
    Type: Application
    Filed: August 30, 2016
    Publication date: August 30, 2018
    Inventors: Young-Bin CHANG, Anil AGIWAL, Sang-Wook KWON, Hyun-Jeong KANG, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK, June HWANG
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180249388
    Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE. Disclosed is a method for receiving data in a wireless communication system, comprising the steps of: receiving, by a terminal, transmission point change information from a first base station connected to a gateway; receiving, by the terminal, the data transmitted from the gateway to the first base station through a second base station serving the terminal; and re-receiving, by the terminal, data, of which the transmission has failed, through a third base station according to a change of a transmission point from the second base station to the third base station on the basis of the transmission point change information, when data transmission from the second base station to the terminal has failed.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 30, 2018
    Inventors: Sang-Kyu BAEK, June HWANG, Hyun-Jeong KANG, Sang-Wook KWON, Anil AGIWAL, Kyung-Kyu KIM, Young-Joong MOK, Young-Bin CHANG
  • Scheme for transmitting and receiving information in wireless communication system
    Patent number: 10045266
    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 a long term evolution (LTE). An operating method of a user equipment (UE) in a mobile communication system is provided. The operating method includes receiving a service through a first enhanced node B (eNB) for a first time interval period from a first timing point; and receiving the service through a second eNB for a second time interval period from a second timing point, wherein the first timing point is different from the second timing point.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: August 7, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Jeong Kang, Sun-Heui Ryoo, Jung-Soo Jung, Jong-Hyung Kwun, Suk-Won Kim, Bong-Jhin Shin, Sung-Jin Lee
  • APPARATUS AND METHOD FOR OPTIONALLY USING SECONDARY FREQUENCY ASSIGNMENT IN A WIRELESS COMMUNICATION SYSTEM USING MULTIPLE BANDS
    Publication number: 20180213593
    Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.
    Type: Application
    Filed: March 21, 2018
    Publication date: July 26, 2018
    Inventors: Hyun-Jeong KANG, Won-Il ROH, Jae-Hee CHO, Jung-Je SON, Byung-Wook JUN
  • Scheme for transmitting and receiving information in wireless communication system
    Patent number: 10015710
    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 a long term evolution (LTE). An operating method of a user equipment (UE) in a mobile communication system is provided. The operating method includes receiving a service through a first enhanced node B (eNB) for a first time interval period from a first timing point; and receiving the service through a second eNB for a second time interval period from a second timing point, wherein the first timing point is different from the second timing point.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: July 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Jeong Kang, Sun-Heui Ryoo, Jung-Soo Jung, Jong-Hyung Kwun, Suk-Won Kim, Bong-Jhin Shin, Sung-Jin Lee
  • Method and system for transmitting and receiving signal using multiple frequency bands in a wireless communication system
    Patent number: 10014931
    Abstract: A method for transmitting and receiving signals using multiple frequency band in a wireless communication system are provided, in which a BS determines whether an MS is to use a plurality of FAs, selects the plurality of FAs if it is determined that the MS is to use the plurality of FAs, transmits FA information about the selected FAs to the MS, and transmits and receives signals to and from the MS in the selected FAs.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: July 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Jeong Kang, Hyoung-Kyu Lim, Jung-Je Son, Yeong-Moon Son, Sung-Jin Lee, Jae-Hyuk Jang, Jae-Hee Cho, Min-Hee Cho
  • Method and apparatus for providing optimal transmission and reception beams in beamforming system
    Patent number: 10003386
    Abstract: A method of providing an optimal transmission or reception (Tx/Rx) beam in a beamforming system. The method includes receiving a reference signal and selecting an optimal Tx/Rx beam that guarantees an optimal channel environment based on the received reference signal determining a possibility of occurrence of a Tx/Rx beam mismatch between the selected optimal Tx/Rx beam and a Tx/Rx beam used for transmitting information on the selected optimal Tx/Rx beam; and when there is the possibility of the occurrence of the Tx/Rx beam mismatch, performing at least one of widening a beam width of the Tx/Rx beam, increasing a number of Tx/Rx beams, reducing a period of a beam selection operation for selecting the optimal Tx/Rx beam, and reducing a transmission period of the reference signal. Other embodiments including a beamforming system are also disclosed.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 19, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Soo Jung, Hyun-Jeong Kang, Young-Bin Chang, Suk-Won Kim, Sang-Kyu Baek
  • Apparatus and method for providing service in vehicle to everything communication system
    Patent number: 10002536
    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 a long term evolution (LTE). A method for providing a service in a first device in a vehicle to everything (V2X) communication system is provided. The method includes transmitting a first message related to the service; receiving, from a second device, a second message notifying that the second device enters a zone related to the service; and transmitting, to the second device, a third message indicating that the first device confirms that the second device enters the zone.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Kyu Kim, Hyun-Jeong Kang, Sang-Wook Kwon, Young-Joong Mok
  • Method and system for secured communication of control information in a wireless network environment
    Patent number: 9992197
    Abstract: A method and system for securely communicating control information in a wireless network environment is provided. When a transmitting station has to transmit control information to a receiving station, the transmitting station determines whether the control information belongs to first type or second type. If the control information is the second type of control information, the transmitting station secures the second type of control information using a counter value, a Cipher based Message Authentication Code (CMAC) value and security keys computed for protecting the second type of control information. Upon securing the control information, the transmitting station transmits the secured control information to a receiving station.
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: June 5, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Anil Agiwal, Hyun-Jeong Kang
  • METHOD AND APPARATUS FOR CONTROLLING RELAY TRAFFIC IN WIRELESS COMMUNICATION SYSTEM SUPPORTING D2D COMMUNICATION
    Publication number: 20180124633
    Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data rate beyond a 4G communication system such as LTE. A method for controlling relay traffic by a base station in a wireless communication system supporting device to device (D2D) communication according to an embodiment of the present invention comprises checking whether received traffic is relay traffic; if the received traffic is the relay traffic, identifying a port number in each cluster of the relay traffic; determining the priority of the relay traffic according to the port number; and transmitting, to a relay terminal, a packet based on the determined priority.
    Type: Application
    Filed: April 12, 2016
    Publication date: May 3, 2018
    Inventors: June Hwang, Anil Agiwal, Hyun-Jeong Kang, Kyeong-In Jeong, Young-Bin Chang
  • Apparatus and method for optionally using secondary frequency assignment in a wireless communication system using multiple bands
    Patent number: 9961716
    Abstract: Methods for operating a Base Station (BS) and a User Equipment (UE) in a wireless communication system using a primary frequency and one or more secondary frequencies, and apparatuses for the BS and UE for carry out the methods, are provided. The method for operating the BS includes determining whether to activate or deactivate at least one of the one or more secondary frequencies, and transmitting a message comprising a bitmap indicating the activation or deactivation of the at least one of the one or more secondary frequencies to the UE. The method for operating the UE includes receiving a message comprising a bitmap indicating activation or deactivation of at least one of the one or more secondary frequencies from the BS, and activating or deactivating the at least one of the one or more secondary frequencies based on the received message.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: May 1, 2018
    Assignee: UNWIRIED PLANET INTERNATIONAL LIMITED
    Inventors: Hyun-Jeong Kang, Won-Il Roh, Jae-Hee Cho, Jung-Je Son, Byung-Wook Jun
  • Method and apparatus for operating idle mode in wireless communication systems
    Patent number: 9907049
    Abstract: Provided is a method and apparatus for operating an idle mode in a wireless communication system. The method includes receiving a first message requesting entry to an idle mode from a Subscriber Station (SS) through at least one Base Station (BS), selecting in response to reception of the first message whether the MS is to enter an idle mode in which BSs belonging to a paging group broadcast a paging message for the MS or whether the MS is to enter a semi-idle mode in which BSs belonging to a semi-idle paging group, which is a subset of the paging group, broadcast the paging message for the SS, and transmitting Paging announce information instructing the BSs belonging to the semi-idle paging group to broadcast the paging message for the SS, if the semi-idle mode is selected.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: February 27, 2018
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)
    Inventors: Hyun-Jeong Kang, Min-Hoe Kim, Sung-Jin Park, Byung-Chang Chung, Dong-Ho Cho