Thomas Kunz
Systems and Computer Engineering
11
AMPS: Call Reception
–idle phones
continuously listen to the paging channel to detect messages
directed at them
–when someone initiates call to mobile, message
is sent to home MTSO to find out where mobile currently
is
–a
packet is then sent to base station in current cell, which
pages the mobile on the paging channel
–if mobile replies, base
assigns channel number and sends it to mobile
–mobile
switches to this channel and starts making ringing sound