7b illustrate the signal formats of the radio frame and time slots of the reverse common control physical channel in which the numerals designate the number of symbols the super frame consists of 64 radio frames and is determined on the basis of sfn which will be described below the initial radio frame of the super frame sfn mod 64 0 the final radio frame of the super frame sfn mod 64 63 pilot symbol patterns are shown in table 5 in which halftone portions represent sync words sw for the frame alignment the symbol pattern of the pilot symbols other than the sync words sw is u201c 11 u201d as shown in table 5 the pilot symbols are transmitted together with the sync words this makes it possible to reduce the overhead and increase the data transmission efficiency in addition once the frame alignment has been established since the sync words can be considered as an integral part of a known fixed pattern and are utilized as the part of the pilot symbols for the coherent detection the accuracy of the coherent detection can be maintained without the slightest degradation the processing on a receiving side will now be described when the sync words sw are transmitted with the pilot symbols 1 first chip synchronization is acquired by searching for a de spreading timing that provides a maximum correlation value by carrying out despreading processings at multiple.