초록 ▼

A mobile communication system according to the present invention is a mobile communication system including base stations each of which forms a cell and transmits MBMS data to a mobile station existing in the cell, and control stations each of which controls the base station connected thereto, where

A mobile communication system according to the present invention is a mobile communication system including base stations each of which forms a cell and transmits MBMS data to a mobile station existing in the cell, and control stations each of which controls the base station connected thereto, wherein the control stations include at least a control station and a second control station that determines a frequency and timing for transmitting the MBMS data in the cell and instructs the first control station of the determined frequency and timing, and wherein each of the first and second control stations establishes time synchronization with another control station and instructs the connected base station to set the cell to the frequency determined by the second control station and transmits the MBMS data to the connected base station in accordance with the transmission timing determined by the second control station.

대표청구항 ▼

1. A mobile communication system comprising: a mobile station; anda first base station which transmits Multimedia Broadcast Multicast Service (MBMS) data to the mobile station,wherein the first base station receives information related to Multicast Broadcast Single Frequency Network (MBSFN) from a s

1. A mobile communication system comprising: a mobile station; anda first base station which transmits Multimedia Broadcast Multicast Service (MBMS) data to the mobile station,wherein the first base station receives information related to Multicast Broadcast Single Frequency Network (MBSFN) from a second base station using a X2 interface, wherein the information related to the MBSFN comprises a parameter of a radio resource, andwherein the first base station sends the MBMS data to the mobile station using the parameter of the radio resource included in the information related to the MBSFN, andwherein the mobile station receives the MBMS data, andwherein the information related to the MBSFN is included in a message to exchange configuration data needed for the first base station and the second base station to interoperate over the X2 interface. 2. The mobile communication system according to claim 1, wherein the second base station sends, to the first base station using the X2 interface, at least one of a subcarrier number and a symbol number for allocation MBMS data, and MBMS data allocation time and frequency, and a resource block number. 3. The mobile communication system according to claim 1, wherein the message is transmitted to the first base station before the first base station sends the MBMS data. 4. The mobile communication system according to claim 1, wherein the information related to the MBSFN includes an identifier related to the parameter of the radio resource. 5. A first base station in a mobile communication system comprising: a sending unit which sends information related to Multicast Broadcast Single Frequency Network (MBSFN) to a second base station using a X2 interface, wherein the information related to the MBSFN comprises a parameter of a radio resource,wherein the sending unit sends a Multimedia Broadcast Multicast Service (MBMS) data to a mobile station using the parameter of the radio resource included in the information related to the MBSFN, andwherein the information related to MBSFN is included in a message to exchange configuration data needed for the first base station and the second base station to interoperate over the X2 interface. 6. The first base station according to claim 5, wherein the sending unit sends, to the second base station using the X2 interface, at least one of a subcarrier number and a symbol number for allocation MBMS data, and MBMS data allocation time and frequency, and a resource block number. 7. The first base station according to claim 5, wherein the message is transmitted to the first base station before the sending unit sends the MBMS data. 8. The first base station according to claim 5, wherein the information related to the MBSFN includes an identifier related to the parameter of the radio resource. 9. A method for a first base station in a mobile communication system, the method comprising: sending information related to Multicast Broadcast Single Frequency Network (MBSFN) to a second base station using a X2 interface, wherein the information related to the MBSFN comprises a parameter of a radio resource, andsending a Multimedia Broadcast Multicast Service (MBMS) data to a mobile station using the parameter of the radio resource included in the information related to the MBSFN,wherein the information related to the MBSFN is included in a message to exchange configuration data needed for the first base station and the second base station to interoperate over the X2 interface. 10. The method according to claim 9, wherein the first base station sends at least one of a subcarrier number and a symbol number for allocation MBMS data, and MBMS data allocation time and frequency, and a resource block number, using the X2 interface. 11. The method according to claim 9, wherein the message is transmitted to the first base station before the sending of the MBMS data. 12. The method according to claim 9, wherein the information related to the MBSFN includes an identifier related to the parameter of the radio resource. 13. A first base station in a mobile communication system, the base station comprising: a receiving unit which receives information related to Multicast Broadcast Single Frequency Network (MBSFN) from a second base station using a X2 interface, wherein the information related to the MBSFN comprises a parameter of a radio resource, anda sending unit which sends a Multimedia Broadcast Multicast Service (MBMS) data to a mobile station using the parameter of the radio resource included in the information related to the MBSFN,wherein the information related to the MBSFN is included in a message to exchange configuration data needed for the first base station and the second base station to interoperate over the X2 interface. 14. The first base station according to claim 13, wherein the message is transmitted to the first base station before the sending unit sends the MBMS data. 15. The first base station according to claim 13, wherein the information related to the MBSFN includes an identifier related to the parameter of the radio resource. 16. A method for a first base station in a mobile communication system, the method comprising: receiving information related to Multicast Broadcast Single Frequency Network (MBSFN) from a second base station using a X2 interface, wherein the information related to the MBSFN comprises a parameter of a radio resource, andsending a Multimedia Broadcast Multicast Service (MBMS) data to a mobile station using the parameter of the radio resource included in the information related to the MBSFN,wherein the information related to the MBSFN is included in a message to exchange configuration data needed for the first base station and the second base station to interoperate over the X2 interface. 17. The method according to claim 16, wherein the message is transmitted to the first base station before the sending of the MBMS data. 18. The method according to claim 16, wherein the information related to the MBSFN includes an identifier related to the parameter of the radio resource.