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calculate_signal_parameter.m
Package: cooperative.rar [view]
Upload User: cjx922
Upload Date: 2017-12-13
Package Size: 205k
Code Size: 1k
Category:
Communication
Development Platform:
Matlab
- function calculate_signal_parameter
- %计算额外的信号参数
- global signal;%全局变量signal,在主函数中声明,是一个signal_structure类型的变量
- %计算每个符号所包含的比特数
- switch signal.modulation_type
- case 'BPSK'
- signal.bits_per_symbol=1;
- case 'QPSK'
- signal.bits_per_symbol=2;
- if (signal.nr_of_bits/2~=ceil(signal.nr_of_bits/2))
- error(['Using QPSK,number of bits must be a mutiple of 2'])
- end
- otherwise
- error(['Modulation type unknown:',signal.modulation_type])
- end
- %根据要传输的比特个数计算要传输的符号个数
- signal.nr_of_symbols=signal.nr_of_bits/signal.bits_per_symbol;
- %bit序列
- signal.bit_sequence=floor(rand(1,signal.nr_of_bits)*2)*2-1;
- %symbol序列
- signal.symbol_sequence=bit2symbol(signal.bit_sequence);