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Senior Member
Reputation: 311
Buffer zone size between LTE area and GSM area
Hi guys,
I assume that I have 20 MHz on 1800 MHz. I'd to use 10 MHz for LTE.
Who can help me how to co-ordinate between LTE and GSM (sandwich or contiguous), and how to calculate the buffer zone between LTE area and GSM area.
Welcome good document sharing.
Thanks!
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2015-07-17 12:43 PM
# ADS
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Senior Member
Reputation: 502
Re: Buffer zone size between LTE area and GSM area
Originally Posted by
linhhy
Hi guys,
I assume that I have 20 MHz on 1800 MHz. I'd to use 10 MHz for LTE.
Who can help me how to co-ordinate between LTE and GSM (sandwich or contiguous), and how to calculate the buffer zone between LTE area and GSM area.
Welcome good document sharing.
Thanks!
I believe as far as the rule of refarming is similar like between GSM900 and UMTS900 safe buffer zone is between 15-20 Km so it would be same for GSM1800 and LTE.
BR
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Senior Member
Reputation: 311
1 out of 1 members found this post helpful.
Re: Buffer zone size between LTE area and GSM area
Originally Posted by
RF engineer
I believe as far as the rule of refarming is similar like between GSM900 and UMTS900 safe buffer zone is between 15-20 Km so it would be same for GSM1800 and LTE.
BR
UMTS is wideband technology of course, and UMTS is very sensitive with UL interference. With how much noise rise increase you can suffered for UMTS UL interference, with some environments and propagation model you can calculate buffer size between GSM and UMTS. But in case LTE and GSM I think difference, but not so sure.
Thanks!
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Users Awaiting Email Confirmation
Reputation: 332
Re: Buffer zone size between LTE area and GSM area
Originally Posted by
linhhy
Hi guys,
I assume that I have 20 MHz on 1800 MHz. I'd to use 10 MHz for LTE.
Who can help me how to co-ordinate between LTE and GSM (sandwich or contiguous), and how to calculate the buffer zone between LTE area and GSM area.
Welcome good document sharing.
Thanks!
prefer sandwich if your freq between other operator
but if in at the end of allocation freq or front may u can use contiguous
for buffer zone with GSM i think no buffer because it's different freq
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Post Thanks - 1 Thanks
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Senior Member
Reputation: 311
1 out of 1 members found this post helpful.
Re: Buffer zone size between LTE area and GSM area
Originally Posted by
sabila
prefer sandwich if your freq between other operator
but if in at the end of allocation freq or front may u can use contiguous
for buffer zone with GSM i think no buffer because it's different freq
Thank for your advice. But my question is buffer zone for co-channel interference between LTE frequency and GSM frequency where GSM frequency is using at outsite area.
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Senior Member
Reputation: 311
Re: Buffer zone size between LTE area and GSM area
is there any expert can help me this question?
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Re: Buffer zone size between LTE area and GSM area
Hi what do you mean? The whole purpose of having a buffer zone is to isolate the two areas to reduce co interference.
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