Interference control method and apparatus therefor in a heterogeneous system
First Claim
1. A method by an almost blank subframe (ABS) ratio determination device for a wireless communication system, the method comprising:
- receiving load information from a first base station and at least one second base station;
determining an ABS ratio based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of the at least one second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the at least one second base station, the ratio being determined based on the load information; and
transmitting the ABS ratio to the first base station.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to an interference control method and an apparatus therefor in a heterogeneous system. To this end, the present invention relates to an interference control method for an almost blank subframe (ABS) ratio determination apparatus in a wireless communication system in which a cell range expansion (CRE) area is defined, comprising the steps of: receiving information about data load within a cell from one or more first cells, and one or more second cells; determining an ABS ratio on the basis of the wireless resource requirements of a CRE terminal with respect to the wireless resource requirements of all cells that are obtained from the data load information; and transmitting the determined ABS ratio to one of the first cells and the second cells.
-
Citations
20 Claims
-
1. A method by an almost blank subframe (ABS) ratio determination device for a wireless communication system, the method comprising:
-
receiving load information from a first base station and at least one second base station; determining an ABS ratio based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of the at least one second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the at least one second base station, the ratio being determined based on the load information; and transmitting the ABS ratio to the first base station. - View Dependent Claims (2, 3)
-
-
4. A method by a first base station for use in a wireless communication system, the method comprising:
-
reporting load information to an almost blank subframe (ABS) ratio determination device; receiving an ABS ratio from the ABS ratio determination device; and transmitting and receiving data using a radio resource associated with an ABS configured according to the ABS ratio, wherein the ABS ratio is determined based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of at least one second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the at least one second base station, the ratio being determined based on the load information. - View Dependent Claims (5, 6)
-
-
7. A method by a second base station for use in a wireless communication system, the method comprising:
-
reporting load information to an almost blank subframe (ABS) ratio determination device; and transmitting and receiving data using a radio resource that is associated with an ABS and is allocated by a first base station according to an ABS ratio determined based on the load information, wherein the ABS ratio is determined based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of the second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the second base station, the ratio being determined based on the load information. - View Dependent Claims (8, 9)
-
-
10. A device of almost blank subframe (ABS) ratio determination for use in a wireless communication system, comprising:
-
a transceiver; and a processor configured to; receive, via the transceiver, load information from a first base station and at least one second base station, determine an ABS ratio based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of the at least one second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the at least one second base station, the information being determined based on the load information, and transmit, via the transceiver, the ABS ratio to the first base station. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A first base station for use in a wireless communication system, comprising:
-
a transceiver; and a processor configured to; report load information to an almost blank subframe (ABS) ratio determination device, receive, via the transceiver, an ABS ratio from the ABS ratio determination device, and transmit and receive data using a radio resource associated with an ABS configured according to the ABS ratio, wherein the ABS ratio is determined based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of at least one second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the at least one second base station, the ratio being determined based on the load information. - View Dependent Claims (16, 17)
-
-
18. A second base station for use in a wireless communication system, comprising:
-
a transceiver; and a processor configured to; report load information to an almost blank subframe (ABS) ratio determination device, and transmit and receive data using a radio resource that is associated with an ABS and is allocated by a first base station according to an ABS ratio determined based on the load information, wherein the ABS ratio is determined based on a ratio of a radio resource amount for at least one cell range expansion (CRE) user equipment (UE) located in a CRE zone of the second base station to a radio resource amount for UEs which are located in a cell of the first base station and a cell of the second base station, the ratio being determined based on the load information. - View Dependent Claims (19, 20)
-
Specification