Prob. of Bit Error for Several Types of Binary Systems

(1)

디지털통신

아홉째주 1강

(2)

2016년 6월 27일 2 page

BER for Noncoherently Detected Binary Orthogonal FSK

(3)

2016년 6월 27일 3 page

BER for Noncoherently Detected Binary Orthogonal FSK

(4)

2016년 6월 27일 4 page

Prob. of Bit Error for Several Types of Binary Systems

(5)

2016년 6월 27일 5 page

BPSK and QPSK Have the Same BER

o BPSK b o

b o

b

o QPSK b

N E N

ST N

S T N

E 



 



 



 



 



 2

2

(6)

2016년 6월 27일 6 page

Symbol Error Probability for MPSK

(7)

Signal Processing Lab., http://signal.korea.ac.kr Dept. of Elec. and Info. Engr., Korea Univ.

2016년 6월 27일 7 page

Symbol

Error Prob.

Vs SNR for

Coherent

FSK

(8)

2016년 6월 27일 8 page

Mapping

signaling orthogonal

for E

vs into

SNR

vs _E _b _o

E P / N

P

(9)

Signal Processing Lab., http://signal.korea.ac.kr Dept. of Elec. and Info. Engr., Korea Univ.

2016년 6월 27일 9 page

Symbol

Error Prob.

Vs for Coherent FSK

N o b /

E

(10)

2016년 6월 27일 10 page

Bit Error Probability versus Symbol Error Probability

 For orthogonal M-ary signaling (M-FSK)

2 lim 1

1 2 1

2 2

¹



 







E B k

k k

E B

P P

M M P

P

(11)

2016년 6월 27일 11 page

Prob. of Bit Error for Several Types of Binary Systems

디지털통신

아홉째주 1강

BER for Noncoherently Detected Binary Orthogonal FSK

BER for Noncoherently Detected Binary Orthogonal FSK

Prob. of Bit Error for Several Types of Binary Systems

BPSK and QPSK Have the Same BER

N E N

ST N

S T N

E 



 



 



 



 



 2

2

Symbol Error Probability for MPSK

Symbol

Error Prob.

Vs SNR for

Coherent

FSK

Mapping

signaling orthogonal

for E

vs into

SNR

vs E b o

E P / N

P

Symbol

Error Prob.

Vs for Coherent FSK

N o b /

E

Bit Error Probability versus Symbol Error Probability

 For orthogonal M-ary signaling (M-FSK)

2 lim 1

1 2 1

2 2



 

 

P P

M M P

P

Bit Error Probability versus Symbol Error Probability

 For M-PSK: B  E for P E  1 k

P P

vs _E _b _o

 For M-PSK: _B  ^E for P _E  1 k