Patents by Inventor Chunying Sun

Chunying 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).

  • Patent number: 10313999
    Abstract: Disclosed is a method for detachment of a mobile set including receiving, by a service node of a communication system, a detachment request from the mobile set, transmitting, by the service node of the communication system, a delete context request message for the mobile set to a first service node of another communication system, and transmitting, by the service node, a detachment indicator to a second service node of the another communication system, wherein the service node of the communication system is different from the service node of the another communication, wherein both the service node of the communication system and the first service node of the another communication system store context information related to the mobile set, and wherein the mobile set moves between the service node of the communication system and the first service node of the another communication system without an area updating.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: June 4, 2019
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D Center
    Inventors: Bing Bu, Xiaoqiang Li, Chunying Sun, Hong Wang, Lixiang Xu, Yanmin Zhu
  • Publication number: 20180160388
    Abstract: Disclosed is a method for detachment of a mobile set including receiving, by a service node of a communication system, a detachment request from the mobile set, transmitting, by the service node of the communication system, a delete context request message for the mobile set to a first service node of another communication system, and transmitting, by the service node, a detachment indicator to a second service node of the another communication system, wherein the service node of the communication system is different from the service node of the another communication, wherein both the service node of the communication system and the first service node of the another communication system store context information related to the mobile set, and wherein the mobile set moves between the service node of the communication system and the first service node of the another communication system without an area updating.
    Type: Application
    Filed: January 9, 2018
    Publication date: June 7, 2018
    Inventors: Bing BU, Xiaoqiang LI, Chunying SUN, Hong WANG, Lixiang XU, Yanmin ZHU
  • Patent number: 9924329
    Abstract: A method for a multi-media broadcast/multicast service by a base station includes receiving, from a radio network controller (RNC), a command for updating an MBMS notification indicator, the command including notification indicator information and a connection frame number, determining whether a modification period is included in the command, and transmitting a notification indicator starting at a time based on the connection frame number for the modification period if the modification period is included in the command, wherein the notification indicator information is used to generate the notification indicator.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: March 20, 2018
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D Center
    Inventors: Chunying Sun, Xiaoqiang Li
  • Patent number: 9924330
    Abstract: Disclosed is a method for a multi-media broadcast/multicast service (MBMS) by a radio network controller (RNC), including generating a command for updating an MBMS notification indicator, the command including notification indicator information and a connection frame number, transmitting the command to a base station, and receiving a notification indicator starting at a time based on the connection frame number for a modification period if the modification period is included in the command, wherein the notification indicator information is used to generate the notification indicator.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: March 20, 2018
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D Center
    Inventors: Chunying Sun, Xiaoqiang Li
  • Patent number: 9867157
    Abstract: A method for detachment of a mobile set within the equivalent route area moving between the communication systems comprising steps of: during the detachment process is implemented between a mobile set and a service node in one communication system, the service node generates one or more messages and transmits it to the service nodes in one or more communication system within the ERA. If the message is transmitted to the service node within the ERA of only one communication system, this service node transmits this message or the message generated according to this message to the service nodes within the ERA of the other communication system. With the method proposed in present invention, when a mobile is detached from two or more communication systems which share the same ERA, the service nodes in all communication systems within the ERA can still correctly manage the relevant information on this mobile set.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: January 9, 2018
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D Center
    Inventors: Bing Bu, Xiaoqiang Li, Chunying Sun, Hong Wang, Lixiang Xu, Yanmin Zhu
  • Patent number: 9730251
    Abstract: A method for supporting an emergency service by a mobility management entity (MME) and a base station in a mobile communication system, and a MME and base station, are provided. The method for supporting an emergency service by a MME includes receiving, by the MME, a first message including information associated with an attach request of a terminal from a base station, determining, by the MME, whether the attach request is accepted based on information indicating an emergency service included in the first message, and transmitting, by the MME, a second message to the base station if the attach request is accepted, wherein if the information associated with the attach request includes the information indicating the emergency service, the attach request is accepted, and wherein the information indicating the emergency service is included in the first message using information included in a third message received from the terminal.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang
  • Patent number: 9560514
    Abstract: The method for establishing a connection by a HNB comprising operations of: the HNB transmitting an “attachment request” message to an operation and maintenance center (OMC); the OMC transmitting an “attachment response” message to the MB; the HNB establishing a connection with an MME indicated by the “attachment response” message. With the method proposed, a UE can switch between HNBs in the same CSG through interface X2. Meanwhile, such information as the radio resource management and so on can be exchanged between two HNBs.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: January 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
  • Publication number: 20160262189
    Abstract: A method for supporting an emergency service by a mobility management entity (MME) and a base station in a mobile communication system, and a MME and base station, are provided. The method for supporting an emergency service by a MME includes receiving, by the MME, a first message including information associated with an attach request of a terminal from a base station, determining, by the MME, whether the attach request is accepted based on information indicating an emergency service included in the first message, and transmitting, by the MME, a second message to the base station if the attach request is accepted, wherein if the information associated with the attach request includes the information indicating the emergency service, the attach request is accepted, and wherein the information indicating the emergency service is included in the first message using information included in a third message received from the terminal.
    Type: Application
    Filed: May 16, 2016
    Publication date: September 8, 2016
    Inventors: Lixiang XU, Chunying SUN, Hong WANG
  • Publication number: 20160165430
    Abstract: The method for establishing a connection by a HNB comprising operations of: the HNB transmitting an “attachment request” message to an operation and maintenance center (OMC); the OMC transmitting an “attachment response” message to the MB; the HNB establishing a connection with an MME indicated by the “attachment response” message. With the method proposed, a UE can switch between HNBs in the same CSG through interface X2. Meanwhile, such information as the radio resource management and so on can be exchanged between two HNBs.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Inventors: Lixiang XU, Chunying SUN, Hong WANG, Xiaoqiang LI
  • Patent number: 9344871
    Abstract: A method for supporting an emergency service by a mobility management entity (MME) and a base station in a mobile communication system, and a MME and base station, are provided. The method for supporting an emergency service by a MME includes receiving, by the MME, a first message including information associated with an attach request of a terminal from a base station, determining, by the MME, whether the attach request is accepted based on information indicating an emergency service included in the first message, and transmitting, by the MME, a second message to the base station if the attach request is accepted, wherein if the information associated with the attach request includes the information indicating the emergency service, the attach request is accepted, and wherein the information indicating the emergency service is included in the first message using information included in a third message received from the terminal.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: May 17, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang
  • Patent number: 9271165
    Abstract: The method for establishing a connection by a HNB comprising steps of: the HNB transmitting an “attachment request” message to an operation and maintenance center (OMC); the OMC transmitting an “attachment response” message to the HNB; the HNB establishing a connection with an MME indicated by the “attachment response” message. With the method proposed in the present invention, a UE can switch between HNBs in the same CSG through interface X2. Meanwhile, such information as the radio resource management and so on can be exchanged between two HNBs.
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: February 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
  • Publication number: 20160037309
    Abstract: Disclosed is a method for a multi-media broadcast/multicast service (MBMS) by a radio network controller (RNC), including generating a command for updating an MBMS notification indicator, the command including notification indicator information and a connection frame number, transmitting the command to a base station, and receiving a notification indicator starting at a time based on the connection frame number for a modification period if the modification period is included in the command, wherein the notification indicator information is used to generate the notification indicator.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 4, 2016
    Inventors: Chunying Sun, Xiaoqiang Li
  • Publication number: 20160037308
    Abstract: A method for a multi-media broadcast/multicast service by a base station includes receiving, from a radio network controller (RNC), a command for updating an MBMS notification indicator, the command including notification indicator information and a connection frame number, determining whether a modification period is included in the command, and transmitting a notification indicator starting at a time based on the connection frame number for the modification period if the modification period is included in the command, wherein the notification indicator information is used to generate the notification indicator.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 4, 2016
    Inventors: Chunying SUN, Xiaoqiang LI
  • Patent number: 9191222
    Abstract: A method for providing notifications for Multi-media Broadcast/Multicast Service comprising steps of configuring a MBMS notification channel or a service channel by a RNC; sending information relevant to the MBMS service to a base station by the RNC; calculating a location indicated by a transmission notification according to the received information by the base station; and transmitting the MBMS notification channel by the base station. With the service relevant parameters transferred to the Node B, the notification indicated location NI corresponding to each service in each frame can be calculated by the Node B to reduce the traffic through the interface lub. The traffic of information transferred between the RNC and the base station is decreased so that the network resource is utilized effectively.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: November 17, 2015
    Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D Center
    Inventors: Chunying Sun, Xiaoqiang Li
  • Publication number: 20140349604
    Abstract: A method for supporting an emergency service by a mobility management entity (MME) and a base station in a mobile communication system, and a MME and base station, are provided. The method for supporting an emergency service by a MME includes receiving, by the MME, a first message including information associated with an attach request of a terminal from a base station, determining, by the MME, whether the attach request is accepted based on information indicating an emergency service included in the first message, and transmitting, by the MME, a second message to the base station if the attach request is accepted, wherein if the information associated with the attach request includes the information indicating the emergency service, the attach request is accepted, and wherein the information indicating the emergency service is included in the first message using information included in a third message received from the terminal.
    Type: Application
    Filed: August 12, 2014
    Publication date: November 27, 2014
    Inventors: Lixiang XU, Chunying SUN, Hong WANG
  • Patent number: 8824365
    Abstract: A method for establishing a connection of a home Node B (HNB), the method comprising the steps of: transmitting, by the HNB, an attachment request message including an identifier of a closed subscriber group (CSG) where the HNB is located and information on location of the HNB to an operation and maintenance center (OMC); selecting, by the OMC a device establishing a connection with the HNB using the information on location of the HNB; transmitting, by the OMC, an attachment response message including information on the device to the HNB; establishing, by the HNB, a connection with the selected device. With the method proposed in the present invention, a UE can switch between HNBs in the same CSG through interface X2. Meanwhile, such information as the radio resource management and so on can be exchanged between two HNBs.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: September 2, 2014
    Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D Center
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
  • Patent number: 8818323
    Abstract: A method for supporting an emergency call in a mobile communication system is provided, which comprises the steps of: receiving, at a radio resource management entity, a message from a UE indicating that there is an emergency call; setup a RRC connection between the UE and the radio resource management entity; transmitting, by the radio resource management entity, a message to its upper-layer node, the message containing an emergency service indication; and establishing, by the upper-layer node of the radio resource management entity, the emergency call for the UE. With the method for supporting an emergency service in a mobile communication system provided in the present invention, the access failure of an emergency service can be reduced, and the access speed of the emergency service can be increased.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: August 26, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Lixiang Xu, Chunying Sun, Hong Wang
  • Patent number: 8285330
    Abstract: A method for HARQ reordering in Enhanced Uplink Dedicated Channel of WCDMA system includes following steps: locating the soft combination buffer in the Node B and the reordering buffer in the SRNC; locating the HARQ entity in the Node B; locating the reordering queue distribution entity, the reordering entity and the disassembly entity in the SRNC. This invention adopts the separation technology of the soft combination buffer and the reordering buffer, the separation model can not only ensure the diversity gain, but also reduce the receiving delay and save the buffer space. Three mechanisms (timer mechanism, window mechanism and SBI mechanism) are proposed to prevent the blocking of the reordering buffer, which degrades the blocking to the least level, improves the receiving efficiency and the system performance. Aiming at the SBI mechanism, the invention proposes the new DCH data frame structure on the Iub interface and the Iur interface.
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: October 9, 2012
    Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D Center
    Inventors: Ju-Ho Lee, Kook-Heui Lee, Jeong-Gon Kim, Hyeon-Woo Lee, Shuwei Zhang, Jing Zhao, Chunying Sun
  • Patent number: 8243835
    Abstract: Disclosed are a method and apparatus for measurement report for the decision of transmission mode transition that obtain a threshold value of reporting CQI_difference of all frequency sub-bands; measure a CQI value at each CQI reporting frequency sub-band of whole frequency band in each measure time interval; determine a CQI_difference value based on the measured CQI value of each CQI reporting frequency sub-band; and compare the determined CQI_difference value with the threshold value, if a condition is satisfied, then the UE sends the determined CQI_difference value to the BS. After the UE has reported this measurement report to the BS, the BS may choose a more suitable data transmission mode for the UE based on this measurement report to make data transmission more effective.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: August 14, 2012
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R & D Center
    Inventors: Chengjun Sun, Yujian Zhang, Chunying Sun, Xiaoquiang Li, Ju-Ho Lee
  • Patent number: 8208855
    Abstract: Provided is a method for transitioning between a distributed transmission mode and a localized transmission mode, including transmitting, by a Base Station (BS), a measurement control message to a User Element (UE), wherein the UE makes corresponding measurement and transmits a required measurement report message to the BS and the BS transmits a transition indicator message of new mode to the UE based on measurement report message sent from the UE; and commencing CQI reporting and a downlink transmission of a new mode between the UE and the BS. The BS can choose a more appropriate transmission mode for the downlink transmission based on changing characteristics of the channel in the time domain and the frequency domain.
    Type: Grant
    Filed: January 8, 2007
    Date of Patent: June 26, 2012
    Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D Center
    Inventors: Ju-Ho Lee, Xiaoqiang Li, Chengjun Sun, Chunying Sun, Yujian Zhang