Patent ID: 7916699

Claim:
A communication method in a communication system for communication between a base station and a terminal station, comprising the steps of: transmitting, from the terminal station, a first signal; performing, in the base station, a timing acquisition of the first signal from the terminal station and transmitting first difference information for first adjustment which indicates a phase difference between the first signal and a reference phase; inputting, in the terminal station, the first difference information to a generating circuit for generating an orthogonal signal; generating, in the generator circuit of the terminal station, the orthogonal signal having a phase set according to the first difference information and transmitting a second signal using the generated orthogonal signal; performing, in the base station, a tracking of the second signal from the terminal station and transmitting a second difference information for second adjustment between the second signal and the reference phase, the second adjustment being finer than the first adjustment; and inputting, in the terminal station, the second difference information to a delay circuit between an antenna of the terminal station and the generating circuit; and setting, in the terminal station, a delay amount of the delay circuit according to the second difference information.