Wireless communication base station system, wireless communication method, wireless communication program, and computer-readable recorded medium on which wireless communication program is recorded

A radio communication base station system comprising:

• a plurality of micro radio communication units including an electric/optical converter for converting an electric signal into an optical signal, for communicating by radio with a mobile station existing in a micro sector zone which is an area for communicating by radio with the mobile station;
• a radio network control device for allocating a channel for communicating by radio to a micro radio communication unit, and sending channel allocation information allocated;
• a base station which is commonly used by the plurality of micro radio communication units;
• a plurality of encoding/modulating units including a sector/antenna branch selector in sending system respectively set for a plurality of mobile stations for selecting the micro radio communication unit for communicating by radio for the micro sector zone of which receiving electric power of a received signal of the mobile station is high and the plurality of micro radio communication units for communicating by radio for the micro sector zone adjacent to the micro sector zone for encoding and modulating an electric signal;
• a multiplexer connected to the plurality of encoding/modulating units for multiplexing the electric signal modulated by the plurality of encoding/modulating units;
• a plurality of optical/electric converters for converting the optical signal converted by the micro radio communication unit into an electric signal;
• and
• a demodulating/decoding unit connected to the plurality of optical/electric converters for demodulating and decoding the electric signal, including a sector/antenna branch selector in receiving system for selecting the micro radio communication unit for communicating by radio for the micro sector zone of which receiving electric power of the received signal of the mobile station is high and the plurality of micro radio communication units for communicating by radio for the micro sector zone adjacent to the micro sector zone from on the received signal of the mobile station, converted by the plurality of optical/electric converters.

A radio communication method comprising:

• communicating by radio with a mobile station existing in a macro sector zone which is an area for communicating by radio with the mobile station;
• communicating by radio with the mobile station existing in a micro sector zone which is a part of the macro sector zone;
• and
• communicating by radio with the mobile station existing in the macro sector zone and communicating by radio with the mobile station existing in the micro sector zone by using a base station which is used commonly.

A computer-executable radio communication program comprising:

• code segment for communicating by radio with a mobile station existing in a macro sector zone which is an area for communicating by radio with the mobile station;
• code segment for communicating by radio with the mobile station existing in a micro sector zone which is a part of the macro sector zone;
• and
• code segment for communicating by radio with the mobile station existing in the macro sector zone and communicating by radio with the mobile station existing in the micro sector zone by using a base station which is used commonly.

A computer-readable storage medium storing a computer-executable radio communication program comprising:

• code segment for communicating by radio with a mobile station existing in a macro sector zone which is an area for communicating by radio with the mobile station;
• code segment for communicating by radio with the mobile station existing in a micro sector zone which is a part of the macro sector zone;
• and
• code segment for communicating by radio with the mobile station existing in the macro sector zone and communicating by radio with the mobile station existing in the micro sector zone by using a base station which is used commonly.