IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0889834
(2007-08-16)
|
등록번호 |
US-8189629
(2012-05-29)
|
우선권정보 |
JP-2006-249289 (2006-09-14) |
발명자
/ 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
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A communication method in a mobile communication system that transmits different data to which transmission sequence numbers have been attached, over each of a plurality of paths from a mobile station to a radio network controller via a plurality of base stations; where the radio network controller
A communication method in a mobile communication system that transmits different data to which transmission sequence numbers have been attached, over each of a plurality of paths from a mobile station to a radio network controller via a plurality of base stations; where the radio network controller monitors the communication state of each path, determines to transmit the data over all of a plurality of paths, transmit the data over two or more specified paths, or transmit the data over only one specified path, based on the communication state of each path, and notifies the mobile station of the determined path/paths; and where the mobile station transmits different data to which different transmission sequence numbers have been attached, over said notified path/paths, and the radio network controller rearranges the data received from each path by reference to the transmission sequence numbers and transmits the rearranged data to a core network.
대표청구항
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1. A communication method in a mobile communication system that transmits different data over a plurality of paths between a mobile station and a radio network controller via a plurality of base stations, comprising; monitoring a communication state of each path between the mobile station and the ra
1. A communication method in a mobile communication system that transmits different data over a plurality of paths between a mobile station and a radio network controller via a plurality of base stations, comprising; monitoring a communication state of each path between the mobile station and the radio network controller by the radio network controller;determining whether to transmit data over at least one of a plurality of paths or to transmit data over two or more paths of the plurality of paths, or to transmit data over only one path of the plurality of paths based on the communication state of each path and determining a path or paths used to transmit data;notifying the mobile station of the determined path or paths of the plurality of paths; andtransmitting respective different data to which different transmission sequence numbers have been attached, over said notified path or paths between the mobile station and the radio network controller. 2. The communication method of claim 1, further comprising rearranging said different data received from each path by reference to said different transmission sequence numbers in the radio network controller and transmitting the rearranged data to a core network from the radio network controller. 3. The communication method of claim 1, further comprising in the radio network controller; notifying the mobile station of a correlation list that correlates path information that indicates which path or paths data is to be transmitted over and an identifier that specifies that path information; andnotifying the mobile station of said determined path or paths using the identifier. 4. The communication method of claim 1, wherein the radio network controller monitors a line usage rate of each path between the base stations and radio network controller; and determines to transmit said different data over the path or paths whose line usage rate is less than a set value. 5. The communication method of claim 1, wherein the radio network controller monitors a communication delay time in each path between the base stations and radio network controller; and determines to transmit said different data over the path or paths whose communication delay time is less than a set value. 6. The communication method of claim 1, wherein the radio network controller monitors an amount of data throughput in each path between the base stations and radio network controller; and determines to transmit said different data over the path or paths whose amount of data throughput is larger than a set value. 7. The communication method of claim 1, wherein the radio network controller monitors a continuity of the transmission sequence numbers FSN in each path between the base stations and radio network controller; and determines to transmit said different data over the path or paths having said continuity. 8. The communication method of claim 1, wherein said radio network controller monitors a number of retransmissions in a radio zone of each path as said communication state; anddetermines to transmit said different data over the path or paths whose number of retransmissions is less than a set value. 9. A radio network controller in a mobile communication system that transmits different data to which transmission sequence numbers have been attached, over a plurality of paths between a mobile station and a radio network controller via a plurality of base stations, comprising: a communication state monitoring unit that monitors a communication state of each path between the mobile station and the radio network controller;a data transmission path notification unit that determines whether to transmit data over at least one of a plurality of paths or to transmit data over two or more paths of the plurality of paths, or to transmit data over only one path of the plurality of paths based on the communication state of each path, determines a path or paths of the plurality of paths used to transmit data and notifies the mobile station of the determined path or paths; anda processing unit that rearranges the different data received from said determined path or paths by reference to said transmission sequence numbers and transmits the rearranged data to a core network. 10. The radio network controller of claim 9, further comprising a list storage unit that stores a correlation list that correlates path information that indicates which path or paths data is to be transmitted over, and an identifier that specifies that path information; whereinsaid data transmission path notification unit notifies the mobile station of said correlation list, and uses the identifier to notify the mobile station of said determined path or paths. 11. The radio network controller of claim 9, wherein said communication state monitoring unit comprisesa line usage rate monitoring unit that monitors a line usage rate of each path between the base stations and radio network controller as the communication state; andsaid data transmission path notification unit determines to transmit said different data over the path or paths whose line usage rate is less than a set value. 12. The radio network controller of claim 9, wherein said communication state monitoring unit comprises a communication delay time measurement unit that measures a communication delay time in each path between the base stations and radio network controller as the communication state; andsaid data transmission path notification unit determines to transmit said different data over the path or paths whose communication delay time is less than a set value. 13. The radio network controller of claim 9, wherein said communication state monitoring unit comprisesa data throughput amount monitoring unit that monitors an amount of data throughput in each path between the base stations and radio network controller as the communication state; andsaid data transmission path notification unit determines to transmit said different data over the path or paths whose amount of data throughput is larger than a set value. 14. The radio network controller of claim 9, wherein said communication state monitoring unit comprisesa frame continuity monitoring unit that monitors a continuity of the transmission sequence numbers FSN in each path between the base stations and radio network controller as the communication state; andsaid data transmission path notification unit determines to transmit said different data over the path or paths having said continuity. 15. The radio network controller of claim 9, wherein said communication state monitoring unit comprisesa retransmission number monitoring unit that monitors a number of retransmissions in a radio zone of each path as said communication state as the communication state; andsaid data transmission path notification unit determines to transmit said different data over the path or paths whose number of the retransmissions is less than a set value. 16. A mobile station in a mobile communication system that transmits different data over a plurality of paths between a mobile station and a radio network controller via a plurality of base stations, comprising; a list storage unit that receives and stores a correlation list from a radio network controller that correlates path information that indicates which path or paths data is to be transmitted over, and an identifier that specifies that path information;a data transmission path receiving unit that receives an identifier from the radio network controller that indicates which path or paths said data is to be transmitted over, and makes a reference to said correlation list to obtain the path or paths that correspond to the identifier; anda processing unit that transmits different data, to which different transmission sequence number have been attached, over the path or paths that correspond to said identifier. 17. A mobile communication system that transmits different data to which transmission sequence numbers have been attached, over a plurality of paths between a mobile station and a radio network controller via a plurality of base stations, wherein said radio network controller comprises:a communication state monitoring unit that monitors a communication state of each path between the mobile station and the radio network controller;a data transmission path notification unit that determines whether to transmit data over at least one of a plurality of paths or to transmit data over two or more paths of the plurality of paths, or to transmit data over only one path of the plurality of paths based on the communication state of each path, determines a path or paths of the plurality of paths used to transmit different data, and notifies the mobile station of the determined path or paths; anda processing unit that rearranges the different data received from said determined path or paths by reference to said transmission sequence numbers and transmits the rearranged data to a core network; andsaid mobile station comprises:a receiving unit that receives transmission path specification information from the radio network controller that specifies which path or paths of the plurality of paths data is to be transmitted over; anda processing unit that transmits different data to which different transmission sequence numbers have been attached, over the specified path or paths. 18. The mobile communication system of claim 17, wherein said radio network controller further comprises a correlation list storage unit that stores a correlation list that correlates path information that indicates which path or paths data is to be transmitted over, and an identifier that specifies that path information;said mobile station further comprises a list storage unit that receives and stores said correlation list from the radio network controller; andsaid data transmission path notification unit uses the identifier to notify the mobile station of said determined path or paths; and said receiving unit makes a reference to said correlation list to obtain the path or paths that correspond to the identifier received from the radio network controller and inputs the path or paths to the processing unit.
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