| 摘要 |
<P>PROBLEM TO BE SOLVED: To avoid collisions with other users even if many users access in random access from mobile stations through forward link in the VSCRF-CDMA or the IFDMA scheme. <P>SOLUTION: The mobile station 11 redetermines a phase which is to be used for random access transmission to a base station with replacing an individual corresponding table 40-m included with user ID, quality of services QoS and mobile station class every time if collisions occur between another mobile station 11' and itself, and Ack cannot been received from the base station. <P>COPYRIGHT: (C)2007,JPO&INPIT |
