WIRELESS COMMUNICATION METHOD, DISTRIBUTED ANTENNA SYSTEM AND WIRELESS COMMUNICATION APPARATUS
A wireless communication method in a distributed antenna system including a base station and a plurality of antennas that communicates with one or more terminal stations by spatial multiplexing according to control of the base station, in which each of the plurality of antennas includes a plurality of sub-arrays, the base station allocates a plurality of sub-arrays of different antennas to each of one or more candidate terminal stations to be subjected to communication by spatial multiplexing using two or more sub-arrays among the plurality of sub-arrays, and the plurality of sub-arrays allocated to the candidate terminal station performs spatial multiplexing transmission to the allocated candidate terminal station.
1 . A wireless communication method in a distributed antenna system including a base station and a plurality of antennas that communicates with one or more terminal stations by spatial multiplexing according to control of the base station, wherein
each of the plurality of antennas includes a plurality of sub-arrays,
the base station allocates a plurality of sub-arrays of different antennas to each of one or more candidate terminal stations to be subjected to communication by spatial multiplexing using two or more sub-arrays among the plurality of sub-arrays, and
the plurality of sub-arrays allocated to the candidate terminal station performs spatial multiplexing transmission to the allocated candidate terminal station.
2 . The wireless communication method according to claim 1 , wherein
the base station
extracts a plurality of candidate sub-arrays to be allocated among the plurality of sub-arrays for each of the one or more candidate terminal stations, and
allocates a candidate sub-array belonging to an antenna different from an already allocated sub-array among the plurality of extracted candidate sub-arrays to each of the one or more candidate terminal stations for the number of streams to be subjected to the spatial multiplexing.
3 . A distributed antenna system comprising: a base station; and a plurality of antennas that communicates with one or more terminal stations by spatial multiplexing according to control of the base station, wherein
each of the plurality of antennas includes a plurality of sub-arrays,
the base station includes an allocator configured to allocate a plurality of sub-arrays of different antennas to each of one or more candidate terminal stations to be subjected to communication by spatial multiplexing using two or more sub-arrays among the plurality of sub-arrays, and
the plurality of sub-arrays allocated to the candidate terminal station performs spatial multiplexing transmission to the allocated candidate terminal station.
4 . A wireless communication device comprising: a base station; and a plurality of antennas that communicates with one or more terminal stations by spatial multiplexing according to control of the base station, wherein
each of the plurality of antennas includes a plurality of sub-arrays,
the base station includes an allocator configured to allocate a plurality of sub-arrays of different antennas to each of one or more candidate terminal stations to be subjected to communication by spatial multiplexing using two or more sub-arrays among the plurality of sub-arrays, and
the plurality of sub-arrays allocated to the candidate terminal station performs spatial multiplexing transmission to the allocated candidate terminal station.