COMMUNICATION METHOD COMMUNICATION TERMINAL BASE STATION AND COMMUNICATION SYSTEM

摘要

A spreading code channel selection step (S109) of randomly selecting a spreading code channel for spreading CDMA transmission data; a time slot channel selection step (Sl10) for randomly selecting a time slot channel for transmitting CDMA spread transmission data; A frequency channel selecting step S111 for randomly selecting a frequency channel for transmitting CDMA spread transmission data, a time slot channel selected in a time slot channel selecting step S110, and a frequency channel selecting step S111 for selecting a frequency channel And a transmission step (S114) of transmitting transmission data CDMA spread with the spreading code channel selected in the spreading code channel selection step (S109) at a frequency corresponding to the frequency channel.