Re: [bs-telecom] Help || Frame Error Rate in GSM

 

Dear Samir,

- FER does impact the voice quality. Increased FER will lead to voice break as more frames are being erased.

- If DTX is being used, even 100% FER is not bad (obviously that shouldn't be for too long or RLT timer will expire and call will eventually drop). For non-DTX case, the more FER increases, the worse the voice quality becomes.

- FER may increase as BER increases because there are more chances of critical bits being in error. And BER increases due to interference or low RxLev.

 

Hope it helps :)

 

From: samir ahrouch <samir_ahrouch@yahoo.fr>
To: bs-telecom@yahoogroups.com
Sent: Thursday, August 18, 2011 2:12 PM
Subject: [bs-telecom] Help || Frame Error Rate in GSM

 

Dear All,

In Our network We Use HW equipement (BSC 6900 and BTS 3900 and BTS 3900A). Recently we have a problem with Frame error Rate (FER) , especially when we use 2 E1 in a BTS with 1800 cell. my Questions are:

- Does FER impact the Quality of voice?

- From which Rate of FER we can say that FER is Bad?

- Does Anyone have an idea from the sources of this Problem?
 
BR

Samir

__._,_.___

Reply to sender | Reply to group | Reply via web post | Start a New Topic

Messages in this topic (14)

Recent Activity:

• New Members 23

Visit Your Group

*Please consider the environment before printing this e-mail*

This electronic message contains information from bs-telecom A Virtual Forum which may be privileged or confidential. The information is intended to be for the use of the member(s)or entity named above. If you are not the intended recipient please destroy this message immediatly. Please don�t send/share confidential OWNED information material, bs-telecom bears no responsibility of the contents of the email.
Best Of Luck for your Future BS-Telecom

Switch to: Text-Only, Daily Digest • Unsubscribe • Terms of Use

.

__,_._,___