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TD-SCDMA系統聯合檢測中的信道估計、信道估計后處理、信道估計串行干擾消除后處理算法的源代碼。其中,信道估計采用頻域快速FFT法以減少運算量;后處理采用激活窗檢測法,只保留激活用戶的多徑信息,其余置0,以

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代碼片段和文件信息



function?refine_h?=JDPP_SIC(channel_impulsekcell)

Multipath_num?=?2;
user_number?=?kcell;
W?=?128/kcell;
h?=?zeros(1128);
win_flag?=?zeros(1kcell);
pwr_h?=?abs(channel_impulse).^2;
maxpwr?=?0;
for?k?=?1:kcell
????[maxpwr_win(k)maxpwr_win_pos(k)]?=?max(pwr_h((k-1)*W+1:k*W));?
end
for?k?=?1:kcell
????if?maxpwr?????????maxpwr?=?maxpwr_win(k);
????????maxpos?=?maxpwr_win_pos(k);
????end
end
%figure(4);subplot(211);stem(pwr_h);xlim([1?128]);set(gca‘XTick‘1:16:128);
%窗激活檢測策略
????for?k?=?1:kcell
?????????if?(maxpwr_win_pos(k)??maxpwr/3)
??????????????win_flag(k)?=?1;
?????????end
????end??
?win_flag?=?[1zeros(17)];
?%多徑激活檢測策略
????for?k?=?1:kcell
????????if?(win_flag(k)?==?1)
????????????for?i?=?1:Multipath_num?
???

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1081??2008-10-14?08:59??JDCHE_and_JDPP_for_TD_SCDMA\JDPP_SIC.m

?????文件???????1118??2008-09-11?08:58??JDCHE_and_JDPP_for_TD_SCDMA\JD_CHE.m

?????文件???????7775??2009-04-02?10:21??JDCHE_and_JDPP_for_TD_SCDMA\JD_PP.m

?????文件???????3665??2010-03-08?09:03??JDCHE_and_JDPP_for_TD_SCDMA\JD_SIC.m

?????文件????????205??2008-09-23?11:46??JDCHE_and_JDPP_for_TD_SCDMA\JD_SR.m

?????目錄??????????0??2010-03-08?20:49??JDCHE_and_JDPP_for_TD_SCDMA

-----------?---------??----------?-----??----

????????????????13844????????????????????6


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