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高速公路場景下車聯網VeMAC協議MATLAB仿真代碼加圖

代碼片段和文件信息
function?txs?=?arrangetxsch(accessresult)
%?accessresult:?current?access?result
%?txschedule:?current?tx?time?slot
%?txs:?new?tx?schedule
%?accessresult為-1的話,重新選擇時隙,為其他值的話沿用原來的txs
global?available?unackedac;
txs?=?accessresult.*(accessresult>0)?+?unackedac.*(unackedac>0);
txnodes?=?find(accessresult==-1);
ntxnodes?=?length(txnodes);?%?number?of?tx?ndoes
for?i?=?1:ntxnodes
????availableslot?=?find(available(txnodes(i):)==0);
????if?~isempty(availableslot)
????????chosenslot?=?availableslot(unidrnd(length(availableslot)));
????????txs(txnodes(i))?=?chosenslot;
????????unackedac(txnodes(i))?=?chosenslot;
????else
????????txs(txnodes(i))?=?-1;
????????unackedac(txnodes(i))?=?-1;????????
????end
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????5730??2013-06-05?17:19??vemachighway.m
?????文件????????745??2013-05-23?16:14??arrangetxsch.m
?????文件???????1933??2013-06-01?09:54??countcollision.m
?????文件????????519??2012-12-09?14:30??findend.m
?????文件????????266??2012-11-25?20:42??getinitposition.m
?????文件????????325??2012-11-27?08:15??getnewypositions.m
?????文件????????420??2013-01-21?21:10??getohr.m
?????文件????????202??2012-11-25?21:38??getspeed.m
?????文件????????436??2012-12-09?14:47??getthr.m
?????文件???????3775??2013-06-01?09:44??rx.m
?????文件????????381??2013-05-22?14:22??send.m
?????文件???????1232??2013-05-30?10:19??updatetable.m
-----------?---------??----------?-----??----
????????????????15964????????????????????12
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