Cdma transmission apparatus

Details Cdma transmission apparatus Cdma transmission apparatus

H - Electricity

04

J

H04J 13/00 (2006.01) H04B 1/69 (2006.01) H04B 7/005 (2006.01) H04J 13/02 (2006.01) H04Q 7/22 (2006.01) H04Q 7/30 (2006.01) H04Q 7/32 (2006.01) H04J 11/00 (2006.01)

Patent

CA 2265134

During asymmetric communications using only the uplink, frame configuration section 109 transmits a signal made up of only pilot signals and transmission power control bits assembled into frames. The transmission power control method is the same as that for normal communications. In this case, since signals transmitted on the downlink are only pilot signals and transmission power control bits, it is possible to reduce the transmission rate considerably and transmit signals with its transmission power reduced by transmission signal amplitude control section 111. In this case, a long hierarchic orthogonal type spreading code is set as the spreading code used by spreader 110.

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