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).
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Patent number: 10313999Abstract: 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: GrantFiled: January 9, 2018Date of Patent: June 4, 2019Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D CenterInventors: Bing Bu, Xiaoqiang Li, Chunying Sun, Hong Wang, Lixiang Xu, Yanmin Zhu
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Publication number: 20180160388Abstract: 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: ApplicationFiled: January 9, 2018Publication date: June 7, 2018Inventors: Bing BU, Xiaoqiang LI, Chunying SUN, Hong WANG, Lixiang XU, Yanmin ZHU
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Patent number: 9924329Abstract: 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: GrantFiled: October 13, 2015Date of Patent: March 20, 2018Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D CenterInventors: Chunying Sun, Xiaoqiang Li
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Patent number: 9924330Abstract: 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: GrantFiled: October 13, 2015Date of Patent: March 20, 2018Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D CenterInventors: Chunying Sun, Xiaoqiang Li
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Patent number: 9867157Abstract: 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: GrantFiled: February 13, 2008Date of Patent: January 9, 2018Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D CenterInventors: Bing Bu, Xiaoqiang Li, Chunying Sun, Hong Wang, Lixiang Xu, Yanmin Zhu
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Patent number: 9730251Abstract: 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: GrantFiled: May 16, 2016Date of Patent: August 8, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Lixiang Xu, Chunying Sun, Hong Wang
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Patent number: 9560514Abstract: 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: GrantFiled: February 17, 2016Date of Patent: January 31, 2017Assignee: Samsung Electronics Co., Ltd.Inventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
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Publication number: 20160262189Abstract: 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: ApplicationFiled: May 16, 2016Publication date: September 8, 2016Inventors: Lixiang XU, Chunying SUN, Hong WANG
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Publication number: 20160165430Abstract: 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: ApplicationFiled: February 17, 2016Publication date: June 9, 2016Inventors: Lixiang XU, Chunying SUN, Hong WANG, Xiaoqiang LI
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Patent number: 9344871Abstract: 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: GrantFiled: August 12, 2014Date of Patent: May 17, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Lixiang Xu, Chunying Sun, Hong Wang
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Patent number: 9271165Abstract: 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: GrantFiled: September 16, 2008Date of Patent: February 23, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
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Publication number: 20160037309Abstract: 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: ApplicationFiled: October 13, 2015Publication date: February 4, 2016Inventors: Chunying Sun, Xiaoqiang Li
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Publication number: 20160037308Abstract: 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: ApplicationFiled: October 13, 2015Publication date: February 4, 2016Inventors: Chunying SUN, Xiaoqiang LI
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Patent number: 9191222Abstract: 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: GrantFiled: July 29, 2005Date of Patent: November 17, 2015Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D CenterInventors: Chunying Sun, Xiaoqiang Li
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Publication number: 20140349604Abstract: 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: ApplicationFiled: August 12, 2014Publication date: November 27, 2014Inventors: Lixiang XU, Chunying SUN, Hong WANG
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Patent number: 8824365Abstract: 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: GrantFiled: August 28, 2008Date of Patent: September 2, 2014Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D CenterInventors: Lixiang Xu, Chunying Sun, Hong Wang, Xiaoqiang Li
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Patent number: 8818323Abstract: 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: GrantFiled: July 2, 2009Date of Patent: August 26, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Lixiang Xu, Chunying Sun, Hong Wang
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Patent number: 8285330Abstract: 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: GrantFiled: February 17, 2004Date of Patent: October 9, 2012Assignees: Samsung Electronics Co., Ltd., Beijing Samsung Telecom R&D CenterInventors: Ju-Ho Lee, Kook-Heui Lee, Jeong-Gon Kim, Hyeon-Woo Lee, Shuwei Zhang, Jing Zhao, Chunying Sun
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Patent number: 8243835Abstract: 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: GrantFiled: December 28, 2006Date of Patent: August 14, 2012Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R & D CenterInventors: Chengjun Sun, Yujian Zhang, Chunying Sun, Xiaoquiang Li, Ju-Ho Lee
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Patent number: 8208855Abstract: 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: GrantFiled: January 8, 2007Date of Patent: June 26, 2012Assignees: Samsung Electronics Co., Ltd, Beijing Samsung Telecom R&D CenterInventors: Ju-Ho Lee, Xiaoqiang Li, Chengjun Sun, Chunying Sun, Yujian Zhang