Patent ID: 6094576
Filing Date: 2000-07-25
Classification: H04W

Abstract:
A connection establishment method in a radio system including at least one base station and a plurality of subscriber equipment, the method comprising:multiplying system signals, to be sent, by spreading codes;synchronizing a connection from a base station of the at least one base station to a subscriber terminal equipment of the plurality of subscriber terminal equipment;receiving, by the subscriber terminal equipment, control data of the radio system from the base station;sending of an access signal by the subscriber terminal equipment to the base station on an access channel, wherein:when establishing a connection, the subscriber terminal equipment transmits on the access channel essentially at most:a preamble including sync data of a spreading code,an identifier including at least data on the subscriber terminal equipment, anda timing sync portion including a synchronization word, at least the identifier being interpreted by using the synchronization word, wherein:the preamble is sent as long as the base station detects the preamble and a power adjustment of a closed loop is started to keep transmission power of the subscriber terminal correct, starting of the power adjustment of the closed loop informing the subscriber terminal that reception of the preamble of the access signal is successful.