func main() {
seedvalue := time.Now().Unix()
rand.Seed(seedvalue)
runtime.GOMAXPROCS(0)
BLOCKLENGTH := 40
NOBLOCKS := 1000
fmt.Printf("BLOCKLENGTH = %d \t NOBLOCKS = %d\n", BLOCKLENGTH, NOBLOCKS)
//var output vlib.VectorB
startTime := time.Now()
var codec turbo.LTECodec
berc := 0
codec.Init("BPSK", "_13_", BLOCKLENGTH)
variance := 1.0
for i := 1; i <= NOBLOCKS; i++ {
fmt.Printf("\rProcessing block no : %d", i)
input := vlib.Randsrc(BLOCKLENGTH, 2)
output := codec.Encode(input)
mod := bpskmod(output)
llr := bpskawgndemod(mod, variance)
dec_output := codec.Decode(llr)
//fmt.Print("Input bits = %v", input)
//fmt.Print("\nOuput bits = %v", dec_output)
for j := 0; j < codec.BLOCKLENGTH; j++ {
berc = berc + input[j] ^ dec_output[j]
}
} //
fmt.Printf("\nNumber of error = %d\t", berc)
fmt.Printf("BER = %f\n", float64(berc)/(float64(BLOCKLENGTH)*float64(NOBLOCKS)))
fmt.Printf("Time Elapsed : %v\n", time.Since(startTime))
}
func main() {
rand.Seed(time.Now().Unix())
rand.Seed(1)
// for i := 0; i < 256; i++ {
// fmt.Printf("\n %d %c ", i, i)
// }
var N = 10
bits2 := vlib.NewOnesB(10)
fmt.Print("\nRandBits = ", vlib.Randsrc(N, 2))
fmt.Print("\nRandNoise = ", vlib.RandNCVec(N, 1))
// msg := sources.RandChars(N)
msg := vlib.RandReadableChars(N)
strmsg := string(msg)
// strmsg = "Hello world, this is a message sent"
// var msg = "HELLO SENDIL"
fmt.Printf("\nRandChars = %s ", strmsg)
fmt.Print("\nBit messages = ", sources.BitsFromMessage(strmsg))
bits3 := sources.BitsFromMessage(strmsg)
fmt.Printf("\nBits : %v", bits2)
fmt.Printf("\nBits : %v ", bits3)
bpskModem := core.NewModem()
// bpskModem.Init(1)
fmt.Printf("\n%v", bpskModem)
fmt.Printf("\n%f", bpskModem.Constellation)
print("\n") // Legacy
// qpskModem := modem.NewModem(2, "QPSK")
qpskModem := new(core.Modem)
qpskModem.Init(2, "QPSK")
fmt.Printf("\n%v", qpskModem)
fmt.Printf("\n%f", qpskModem.Constellation)
qpskModem.ModulateBits(bits2)
}