在进行RRC连接请求以前先完成一些基本的配置:
》 apply the default physical channel configuration
》 apply the default semi-persistent scheduling configuration
》 apply the default MAC main configuration
》 apply the CCCH configuration
》 apply the time Alignment Timer Common included in System Information Block Type2;
》 Start timer T300;
》 initiate transmission of the RRC Connection Request message in accordance with