Method and apparatus for inter-cell interference cancellation in wireless communication system
AssigneeLG Electronics Inc.
InventorsDaewook Byun, Jian Xu, Youngtae Kim
Life of this patent
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Abstract
The present invention relates to a method and an apparatus for transmitting information among base stations for inter-cell interference cancellation in a massive MIMO or FD-MIMO system. A base station acquires interference area information, which is information on an area causing interference to a neighbor base station, and transmits the interference area information to the neighbor base station. The interference area information may include any one from among the vertical and horizontal angles of a beam causing interference to the neighbor base station, or the number of the area causing interference to the neighbor base station.
Claims13
A method of transmitting, by a base station to a neighboring base station, interference area information regarding an area causing interference within a coverage of the neighboring base station, the method comprising:
- receiving, by the base station, information on an index number of areas operated by the neighboring base station;
- determining, by the base station, information on vertical and horizontal angles of a beam causing interference to the neighboring base station;
- determining information on index number of interfered area by mapping the information on the index number of areas operated by the neighboring base station to the information on vertical and horizontal angles to be used for beamforming;
- and
- transmitting, by the base station to the neighboring base station, the interference area information including the information on index number of interfered area.
A base station for transmitting, to a neighboring base station, interference area information regarding an area causing interference within a coverage of the neighboring base station, the base station comprising:
- a memory;
- a transceiver configured to receive information on an index number of areas operated by the neighboring base station;
- and
- a processor, connected with the memory and the transceiver, and configured to:
- determine information on vertical and horizontal angles of a beam causing interference to the neighboring base station,
- determining information on index number of interfered area by mapping the information on the index number of areas operated by the neighboring base station to the information on vertical and horizontal angles to be used for beamforming;
- and
- transmit the interference area information including the information on index number of interfered area to the neighboring base station.
Dependencies are inferred from the claim text.