BASE STATION DEVICE, MOBILE STATION DEVICE, COMMUNICATION SYSTEM, TRANSMISSION METHOD, RECEPTION METHOD, AND COMMUNICATION METHOD
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Accused Products
Abstract
Inter-cell Interference is efficiently mitigated or suppressed in a radio communication system constituting a heterogeneous network. In the radio communication system in which a base station device and a mobile station device communicate with each other, the base station device notifies, to the mobile station device, control information related to a cell-specific reference signal that is specific to a cell ID of another base station device different from the aforesaid base station device, the control information containing information regarding number of ports for the cell-specific reference signal.
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Citations
26 Claims
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1-15. -15. (canceled)
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16. A base station device communicating with a mobile station device,
wherein the base station device notifies, to the mobile station device by RRC signaling, a cell ID of another base station device different from the aforesaid base station device, number of antenna ports for a cell-specific reference signal in the aforesaid other base station device, and subframe information indicating MBSFN subframes that are reserved for MBSFN, which is used as an MBSFN by the aforesaid other base station device.
- 19. A mobile station device communicating with a base station device, wherein the mobile station device receives, from the base station device by RRC signaling, a cell ID of another base station device different from the aforesaid base station device, number of antenna ports for a cell-specific reference signal is the aforesaid other base station device, and subframe information indicating MBSFN subframes that are reserved for MBSFN, which is used as an MBSFN by the aforesaid other base station device.
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23. A reception method in a mobile station device communicating with a base station device, the reception method comprising the step of:
receiving, from the base station device by RRC signaling, a cell ID of another base station device different from the aforesaid base station device, number of antenna ports for a cell-specific reference signal in the aforesaid other base station device, and subframe information indicating MBSFN subframes that are reserved for MBSFN, which is used as an MBSFN by the aforesaid other base station device. - View Dependent Claims (24, 25, 26)
Specification