| Require: , , , LFHREP:= , CSA = |
| (1) check the ; |
| (2) if then |
| (3) go to (42) //for checking the |
| (4) end if |
| (5) if there is no data to send then |
| (6) go back to (2) //for checking the |
| (7) end if |
| (8) start scanning radio |
| (9) |
| (10) if then |
| (11) defer for |
| (12) for go to (24) |
| (13) |
| (14) go back to (5) //to check the availability of data for sending |
| (15) end if |
| (16) if then |
| (17) Send notification to upper layers for spectrum handoff |
| (18) adapt channel parameters |
| (19) |
| (20) end if |
| (21) start operation timer |
| (22) transmit data till expires |
| (23) go back to (2) |
| (24) for do |
| (25) if then |
| (26) |
| (27) |
| (28) end if |
| (29) end for |
| (30) if then |
| (31) send RERR packet to the source node |
| (32) else |
| (33) sending //sending PU-HREQ |
| (34) go to (36) |
| (35) end if |
| (36) upon receiving then |
| (37) if then |
| (38) switch to the selected channel |
| (39) |
| (40) go to (16) |
| (41) end if |
| (42) calculate the |
| (43) if then |
| (44) Start the LFHREQ timer, broadcast the LFHREQ and go to (49) |
| (45) else |
| (46) go to (24) //for making a decision on the next channel |
| (47) end if |
| (48) upon the LFHREQ timer was expired then |
| (49) if then |
| (50) broadcast the RERR to the source node |
| (51) else |
| (52) find the best candidate node with the |
| (53) send the Local route HR to the local source through the best candidate intermediate node |
| (54) send the to the candidate intermediate node |
| (55) go back to (36) |
| (56) end if |
| (57) end |
