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Why do we have different SN range in PDCP&RLC?

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Why do we have different SN range in PDCP (7bit & 12bit) & RLC(5bit & 10bit)?

posted Jun 6, 2017 by Karan Patel

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Similar Questions
+3 votes

SN is used for sequence delivery then why do we need two SN in PDCP and RLC?

+2 votes

As RLC layer Seq. numbering is used to keep a track of packets to ARQ and PDCP, then SN should be given to RLC PDU, otherwise how it will happen in case of Segmentation and Re-segmentation?

+1 vote

As per 3gpp 36.322 Release 12.0 RLC specification, Extended RLC LI field = 15 bit is newly included in AM mode.
Can anyone please explain, exactly in what condition this 15-bit LI value will be used.

0 votes

Why there is PDCP sequences number even though RLC has sequence number?is it RLC uses sequence number used for segmantation and PDCP sn used for HO and reestablishment?

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