| 摘要 |
For transmitting a common channel signal with characteristics with an approximated non-directivity, the common channel signal for all users is divided into sub-channel signals, corresponding to a number of antenna elements composing an array antenna, to be concurrently transmitted with non-directivity by using each antenna element. Individual channel signals, for each user, following the common channel signal with a desired directivity by using the antenna elements. Each sub-channel signal can be made a sub-channel signal obtained by dividing all sub-channel components composing the common channel signal for each sub-channel component by a predetermined number or dividing them depending on a receiving quality of each antenna element.
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