function?[NewEvents]?=?action（event?log_file）

%?debug:
%?TTL?is?determined?at?network?layer?only
%?one?way?transmission?received?reverse?transmission?fails?why?
????%?mainly?because?randomness?in?the?‘shadowing‘?model:?solved...same?distance?generates?same?random?number
????%?friis?model?works?fine
????%?tworay?model?is?mostly?the?same?as?friis?because?crossover?distance?=?100?m
????%?freq?should?be?2.4G?instead?of?2.4M?white_noise_variance?is?changed?correspondingly
%?Duplicated?packets?due?to?early?time?out?and?retransmission:?this?is?ok?just?provide?a?larger?timeout
%?queue?waiting?problem:?net_queue?is?actually?always?empty?all?NET?packets?stack?at?mac_queue
????%?mac_queue?is?accompanied?by?mac_status
%?Question?1:?how?to?decide?the?priority?of?broadcast?unicast?transmission?and?receptioin?

%?to?add?virtual?carrier?sense:?done
%?to?add?RTS-CTS:?done
%?to?add?ad?hoc?routing:?done
%?to?add?application?layer?actions:
%?to?add?figures?or?animations?to?show?network?and?traffic?change:?not?critical

global?adebug?bdebug;
global?Gt?Gr?freq?L?ht?hr?pathLossExp?std_db?d0?rmodel;
global?cs_threshold?white_noise_variance?rv_threshold?rv_threshold_delta;
global?slot_time?CW_min?CW_max?turnaround_time?max_retries?SIFS?DIFS?cca_time?basic_rate?default_power;
global?max_size_mac_body?size_mac_header?size_rts?size_cts?size_ack?size_plcp;
global?n?node?Event_list;
global?packet_id?retransmit?pending_id?mac_queue?backoff_attmpt?backoff_counter?backoff_attempt;
global?nav;
global?ack_tx_time?cts_tx_time?rts_tx_time;
global?default_rate?default_ttl;
global?size_rreq?size_rrep;
global?rreq_timeout?net_queue?net_pending?net_max_retries;
global?rrep_table;??%?id?route?metric
global?bcast_table;
global?mac_status;
global?adebug?bdebug?cdebug?ddebug;
global?rreq_out?rreq_in?rreq_forward;
global?rreq_out_crosslayer?rreq_in_crosslayer?rreq_forward_crosslayer;
global?rrep_out?rrep_in?rrep_forward;
global?rrep_out_crosslayer?rrep_in_crosslayer?rrep_forward_crosslayer?rrep_destination_crosslayer;

NewEvents?=?[];

switch?event.type????
????case?‘send_phy‘
????????t?=?event.instant;
????????i?=?event.node;
????????j?=?event.pkt.rv;
????????if?adebug?disp（[‘send_phy?at?time?‘?num2str（t）?‘?node?‘?num2str（i）?‘?will?send?a?packet?to?node?‘?num2str（j）]）;?end
????????txtime?=?tx_time（event.pkt）;
????????if?node（i?4）?==?0?&?（nav（i）.start?>?（t+txtime）?|?nav（i）.end?????????????node（i?3）?=?event.pkt.power;
????????????node（i?4）?=?1;?%?switch?to?transmit?mode?assume?turnaround?time?is?zero
????????????%?set?up?the?receiver
????????????if?j?==?0???%?broadcast?from?node?i
????????????????for?k=1:n
????????????????????%?due?to?broadcast?nature?in?wireless?channel?every?idle?node?may?capture/sense?this?transmission
????????????????????if?node（k?4）~=0?|?k==i?continue;?end
????????????????????if?overlap（t?t+txtime?nav（k）.start?nav（k）.end）?continue;?end
????????????????????node（k?4）?=?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????60361??2006-04-05?13:11??0.5\action.m
?????文件?????????467??2006-03-21?21:26??0.5\carrier_sense.m
?????文件?????????261??2006-01-23?17:10??0.5\friis.m
?????文件????????1442??2006-01-23?17:49??0.5\inv_erfc.m
?????文件?????????126??2006-01-23?17:49??0.5\inv_q.m
?????文件????????1458??2006-03-27?00:32??0.5\inv_recv_power.m
?????文件????????1069??2006-03-26?23:38??0.5\log_normal_shadowing.m
?????文件?????????194??2006-02-20?14:16??0.5\new_id.m
?????文件?????????243??2006-02-15?16:19??0.5\overlap.m
?????文件????????7279??2006-05-07?15:36??0.5\parameter.m
?????文件?????????525??2006-04-10?14:08??0.5\position_init.m
?????文件????????2747??2006-04-10?16:40??0.5\position_update.m
?????文件????????3363??2006-05-07?15:28??0.5\process_sim1.m
?????文件?????????643??2006-03-23?18:45??0.5\recv_phy.m
?????文件?????????821??2006-04-10?14:47??0.5\recv_power.m
?????文件?????????688??2006-04-10?10:50??0.5\run.m
?????文件????????2592??2006-05-07?15:24??0.5\sim1.m
?????文件????????2768??2006-05-07?15:36??0.5\sim2.m
?????文件?????????749??2006-03-30?12:44??0.5\topo.m
?????文件?????????243??2006-02-17?14:22??0.5\topo_dist.m
?????文件?????????635??2006-01-23?17:07??0.5\tworay.m
?????文件?????????594??2006-02-15?16:35??0.5\tx_time.m
?????目錄???????????0??2006-05-07?15:38??0.5\