上浒充通大￥ Route Switching SHANGHAI JIAO TONG UNIVERSITY Two-Dimensional Route Switching 0 0 E Channel 1 2 1 2 Channel 2 Channel 2 Channel 5 B Channel 5 B D 2 1 2 1 Channel 4 Channel 3 Channel 4 Channel 3 (a)original route and channel assignment (b)channel 1 is reclaimed by PUs 0 0 E E Switch to Channel 6 2 Ch)e1 1 1 Channel 2 B B D Channel 2 Channel 5 Channel5 2 1 2 1 Channel 4 Channel 3 Channel 4 Channel 3 (c)strategy update when switching costs are 1 (d)strategy update when switching costs are 3 88 Route Switching ❑ Two-Dimensional Route Switching