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大小: 1KB文件類型: .rar金幣: 1下載: 0 次發布日期: 2021-02-02
- 語言: Matlab
- 標簽: 貪婪算法??分配??貪婪matlab??visitorocj??
資源簡介
利用貪婪算法對ofdm系統進行子載波和功率分配，在誤碼率一定的情況下，是發射端的功率最低
代碼片段和文件信息
%?The?codes?investigate?the?performance?of?a?greedy?algorithm?[1]?in?OFDM?which
%?allocates?the?power?to?subchannel?in?optimum?way?to?reach?the?required
%?Data?rate
%?By?Hamid?Ramezani?23-Mar-2008
%?setting?the?parameters
totalPower??????????????=?1e-5;???????????%??-20?dBm
numOfSubChannels?=?8;????????%?number?of?subchannels
modBitRate???????=?[0;1;2;4;6];%?the?provided?bit?rate?bits/Hz/Sec?for?
???????????????????????????????%?example?based?on?BPSK?QPSK?16QAM?and?
???????????????????????????????%?64QAM?modulation
???????????????????????????????%?zero?is?required?to?states?that
???????????????????????????????%?subchannels?can?convey?no?data
???????????????????????????????
reqSNR?????????=10.^（.1*[-Inf;9;12;18;24]）;?
???????????????????????????????%?Reqired?SNR?for?the? ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????2464??2009-07-27?16:32??GreedyAlgOfdm.zip.m
-----------?---------??----------?-----??----
?????????????????2464????????????????????1
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