%?Program?2-8
%?bpskev.m
%
%?Evaluation?program?of?fading?counter?based?BPSK?transmission?scheme
%?This?program?is?one?of?example?simulations?that?include?fading
%?As?for?the?explanation?you?can?check?Chapter?3.
%
%?Programmed?by?H.Harada
%

%********************?Preparation?part?**********************

%?Time?resolution時間分辨力
%?In?this?case?0.5us?is?used?as?an?example
tstp?=?0.5*1.0e-6;?

%?Symbol?rate符號速率
%?In?this?case?we?assume?that?each?sample?time?is?equal?to?1/（symbol?rate）.
%?In?this?case?200?kbps?is?considered.
sr?=?1/tstp?;

%?Arrival?time?for?each?multipath?normalized?by?tstp，延遲時間
%?In?this?simulation?four-path?Rayleigh?fading?are?considered
itau?=?[0?2?3?4];

%?Mean?power?for?each?multipath?normalized?by?direct?wave.相對功率分貝衰減值
%?In?this?simulation?four-path?Rayleigh?fading?are?considered.
%?This?means?that?the?second?path?is?-10dB?less?than?the?first?direct?path.
dlvl?=?[0?10?20?25];

%?Number?of?waves?to?generate?fading?for?each?multipath.產生衰落的波形個數
%?In?this?simulation?four-path?Rayleigh?fading?are?considered.
%?In?normal?case?more?than?six?waves?are?needed?to?generate?Rayleigh?fading
n0=[6767];

%?Initial?Phase?of?delayed?wave，初始相位角度
%?In?this?simulation?four-path?Rayleigh?fading?are?considered.
th1=[0.00.00.00.0];

%?Number?of?fading?counter?to?skip?（50us/0.5us），衰落計數器跳數，用于產生各個多徑衰落之間的互相獨立特性
%?In?this?case?we?assume?to?skip?50?us
itnd0=100*2;

%?Initial?value?of?fading?counter衰落計數器初始值
%?In?this?simulation?four-path?Rayleigh?fading?are?considered.
%?Therefore?four?fading?counter?are?needed.
??
itnd1=[10002000?3000?4000];

%?Number?of?directwave?+?Number?of?delayed?wave
%?In?this?simulation?four-path?Rayleigh?fading?are?considered
now1=4;????????

%?Maximum?Doppler?frequency?[Hz]
%?You?can?insert?your?favorite?value
fd=200;???????

%?Number?of?data?to?simulate?one?loop
%?In?this?case?100?data?are?assumed?to?consider
nd?=?100;

%?You?can?decide?two?mode?to?simulate?fading?by?changing?the?variable?flat
%?flat?????:?flat?fading?or?not?
%?（1->flat?（only?amplitude?is?fluctuated）0->nomal（phase?and?amplitude?are?fluctutated）
flat?=1;


%********************?START?CALCULATION?*********************

nloop?=?1000;?%?Number?of?simulation?loop
noe?=?0;?%?Initial?number?of?errors
nod?=?0;?%?Initial?number?of?transmitted?data

for?iii=1:nloop?
????
%********************?Data?generation?***********************
????
	data=rand（1nd）>0.5;??%?rand:?built?in?function

%********************?BPSK?modulation?***********************??

	data1=data.*2-1;??%?Change?data?from?1?or?0?notation?to?+1?or?-1?notation
????
%**********************?Fading?channel?**********************

????%?Generated?data?are?fed?into?a?fading?simulator
????%?In?the?case?of?BPSK?only?Ich?data?are?fed?into?fading?counter
????[data6data7]=sefade（data1zeros（1length（data1））itaudlvlth1n0itnd1now1length（data1）tstpfdflat）;

????%?Updata?fading?counter
????itnd1?=?itnd1+?i

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-04?16:46??simulation?and?software?radio?for?mobile?communication\
?????文件????19190969??2012-04-30?11:13??simulation?and?software?radio?for?mobile?communication\Artech.House_2002_Simulation.and.Software.Radio.for.Mobile.Communications.pdf
?????目錄???????????0??2012-07-04?16:46??simulation?and?software?radio?for?mobile?communication\program\
?????目錄???????????0??2012-07-04?16:46??simulation?and?software?radio?for?mobile?communication\program\Chapter2\
?????文件????????3780??2012-04-27?09:55??simulation?and?software?radio?for?mobile?communication\program\Chapter2\bpskev.asv
?????文件????????3784??2012-04-27?09:56??simulation?and?software?radio?for?mobile?communication\program\Chapter2\bpskev.m
?????文件?????????658??2001-11-26?18:37??simulation?and?software?radio?for?mobile?communication\program\Chapter2\comb.m
?????文件?????????741??2001-11-26?03:37??simulation?and?software?radio?for?mobile?communication\program\Chapter2\delay.m
?????文件?????????671??2001-11-26?18:47??simulation?and?software?radio?for?mobile?communication\program\Chapter2\disper.m
?????文件????????2182??2012-04-27?10:55??simulation?and?software?radio?for?mobile?communication\program\Chapter2\fade.m
?????文件?????????410??2001-11-26?03:05??simulation?and?software?radio?for?mobile?communication\program\Chapter2\main.m
?????文件?????????370??2001-11-26?03:24??simulation?and?software?radio?for?mobile?communication\program\Chapter2\mvalue.m
?????文件????????3726??2001-11-30?08:24??simulation?and?software?radio?for?mobile?communication\program\Chapter2\README-Chap2.txt
?????文件????????1949??2012-04-27?09:55??simulation?and?software?radio?for?mobile?communication\program\Chapter2\sefade.asv
?????文件????????2055??2012-04-27?11:14??simulation?and?software?radio?for?mobile?communication\program\Chapter2\sefade.m
?????目錄???????????0??2012-07-04?16:46??simulation?and?software?radio?for?mobile?communication\program\Chapter3\
?????文件??????????86??2012-04-27?15:53??simulation?and?software?radio?for?mobile?communication\program\Chapter3\BERbpsk.dat
?????文件??????????43??2012-04-28?19:46??simulation?and?software?radio?for?mobile?communication\program\Chapter3\BERgmsk.dat
?????文件??????????43??2012-04-28?10:58??simulation?and?software?radio?for?mobile?communication\program\Chapter3\BERmsk.dat
?????文件??????????86??2012-04-28?19:53??simulation?and?software?radio?for?mobile?communication\program\Chapter3\BERmsk2.dat
?????文件????????2781??2012-04-27?18:43??simulation?and?software?radio?for?mobile?communication\program\Chapter3\bpsk.asv
?????文件????????2910??2012-04-27?19:11??simulation?and?software?radio?for?mobile?communication\program\Chapter3\bpsk.m
?????文件????????4512??2012-04-28?08:51??simulation?and?software?radio?for?mobile?communication\program\Chapter3\bpsk_fading.m
?????文件?????????658??2001-11-26?18:37??simulation?and?software?radio?for?mobile?communication\program\Chapter3\comb.m
?????文件?????????562??2001-11-30?07:56??simulation?and?software?radio?for?mobile?communication\program\Chapter3\compconv.m
?????文件?????????684??2001-11-30?07:56??simulation?and?software?radio?for?mobile?communication\program\Chapter3\compoversamp.m
?????文件?????????743??2001-11-30?07:55??simulation?and?software?radio?for?mobile?communication\program\Chapter3\delay.m
?????文件????????2167??2001-11-27?21:49??simulation?and?software?radio?for?mobile?communication\program\Chapter3\fade.m
?????文件????????1052??2001-11-30?07:55??simulation?and?software?radio?for?mobile?communication\program\Chapter3\gaussf.m
?????文件????????3443??2012-04-28?19:56??simulation?and?software?radio?for?mobile?communication\program\Chapter3\gmsk.m
?????文件????????5109??2001-11-30?07:42??simulation?and?software?radio?for?mobile?communication\program\Chapter3\gmsk_fading.m
............此處省略95個文件信息