First, define {tm} as the switching sequence, where t0=0 and m represents the number of switching times. Without loss of generality, it is assumed that no switching occurs at time 0.
Firstly, define {tm} as the switching timing, where t0=0 and m represents the number of switching times. To maintain generality, it is assumed that no switching occurs at time 0.
First, define {tm} as the switching timing, where t0=0 and m represents the switching times. For the sake of generality, it is assumed that no handover occurs at time 0.