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Question 
What is the difference between FER and BER?
 Question Submitted By :: Dipak.mohanty82
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is the difference between FER and BER?
Answer
# 1		 file error ratio called fer


and ber called bit Error raTio 
Is This Answer Correct ?    8 Yes 65 No
Sabih
 
  Re: What is the difference between FER and BER?
Answer
# 2		 Error ratios used in conjunction with GSM speech channels:
· Frame Erasure Rate, FER, is defined as the amount of swept speech frames (260 bits each)
divided by the amount of transmitted speech frames. The speech frame is swept if even one of
its most important 50 bits is observed not to be correct. The three parity bits following the 50
class Ia bits are used for error detection.
· Bit Error Rate, BER, is the ratio of erroneously received bits to all received bits. It is
important to notice that BER is evaluated before channel decoding, i.e. after equaliser. BER is
used for defining the RXQUAL value 
Is This Answer Correct ?    51 Yes 4 No
Ravi
 
 
 
  Re: What is the difference between FER and BER?
Answer
# 3		 FER= No.of Error Frames/Total No.of Fremes
The FER lies between 0 to 100%

BER= No.of Error Bits/Total No.of Bits
for good signal BER lies between 0 to 26%
 
Is This Answer Correct ?    20 Yes 5 No
S.narsimha Swamy
 

 
 
 
Other GSM Interview Questions
 
  Question Asked @ Answers
 
what is the relation between RXLEV [0 to 63] and rxlev [- 110 to -47]? Ericsson7
What is the defference between Rx Lev Sub and Rx Lev Full? What you mean by Link Budget?can you explain Lucent4
we know that the main function of bts is to air interface signaling.but why?????????? Airtel2
what is Telecom regulatory body of India? Reliance10
Anyone any idea about LTE and GSM internetworking. Is it like GSM is used for backbone comm in LTE?? NSN4
What is the main difference between GSM & CDMA? HCL71
What is the difference between FER and BER? GTL3
Which is the digital modulation used today in telecomn? (whatever his question meant the answer was CDMA) 2) Why is walse code used? then, noncoherent detection, coherent detection, Pn code(y it is used?) etc Reliance14
what is GSM? ZTE2
what is GSM? ZTE41
1.What is the difference between Diplexer and Duplexer and what position? 2. What is the different between CDU C and CDU A 3. How do you link a T1 from the 1st BTS to 2nd BTS 4. What is the value for TEI 1st T1? 5. What is the SSI? Ericsson3
What are the various blocks in GSM architecture? Reliance23
 
For more GSM Interview Questions Click Here 
 
 
 
 
 


   
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