ANTENNA CALIBRATION APPARATUS AND ANTENNA CALIBRATION METHOD

ANTENNA CALIBRATION APPARATUS AND ANTENNA CALIBRATION METHOD

PROBLEM TO BE SOLVED: To reduce a circuit scale of an FFT calculation circuit in an antenna calibration apparatus in a wireless base station provided with an array antenna and using OFDM. SOLUTION: Odd number (or even number) subcarriers or a part of them are used for an antenna calibration signal t...

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Bibliographische Detailangaben
1. Verfasser: SHIOKAWA MASAHITO
Format: Patent
Sprache:eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To reduce a circuit scale of an FFT calculation circuit in an antenna calibration apparatus in a wireless base station provided with an array antenna and using OFDM. SOLUTION: Odd number (or even number) subcarriers or a part of them are used for an antenna calibration signal to reduce the circuit scale of the FFT calculation circuit. COPYRIGHT: (C)2007,JPO&INPIT