| 摘要 |
PROBLEM TO BE SOLVED: To provide an antenna system capable of controlling a main beam and side robes flexibly and securing a service area even in an area relatively near a base station. SOLUTION: The antenna system comprises a first antenna block comprising one first antenna unit or more arranged above a perpendicular direction and a second antenna block comprising one second antenna unit or more arranged under the perpendicular direction of the first antenna block, and an electric tilt angle of the second antenna unit is made larger than that of the first antenna unit. COPYRIGHT: (C)2006,JPO&NCIPI
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