Mobile station apparatus and radio communication method

摘要

Propagation loss measuring section 207 measures propagation loss of each cell, propagation loss comparison section 208 compares propagation loss among respective cells, transmission slot control section 209 controls data composition section 211 and spreading section 213 so that signals are transmitted to a base station that exists in a cell with smaller propagation loss according to the switching cycle informed from the base station and acquired by switching cycle acquisition section 209. That is, mobile station 100 transmits dedicated communication channel signals by changing the status of time slot assignment for each switching cycle informed from the base station according to propagation loss.