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What is BLER in LTE and where I can find this?

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What is BLER in LTE and where I can find this?
posted Aug 26, 2015 by Gnanendra Reddy

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1 Answer

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Bler is the Block Error Rate.

When we are using Harq ,
Downlink Bler = ( Number of Nacks ) / (Number of Acks + Number of Nacks)

Downlink Bler can be computed dynamically and the system can try to aim for a "target bler". Target Blers will be different for PDSCH and PDCCH.

Generally the target bler is calculated w.r.t the first transmission (=aka a new transmission). If the target bler is 10% then the system aims for a Bler <= 10%

A residual bler is calculated w.r.t a retransmission. It can also be used as a performance target.

answer Aug 26, 2015 by Sudeep Gopal
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