A.1 Conversational Radio Access Bearer
3GPP43.051GSM/EDGE Overall descriptionRelease 17Stage 2TS
In table A.1, case A represents optimized conversational RAB further described in clause A.1.2. Case B represents the generic conversational RAB.
Table A.1: Conversational RAB
|
PDCP |
RLC |
MAC |
Physical Layer |
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|
Basic Physical |
Traffic Channel |
Dedicated |
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|
Type |
Interleav. |
Mod. |
Coding |
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|
Non Transparent Header Removal |
Transp. |
Dedicated |
DBPSCH/F |
TCH/F |
8 diag |
GMSK |
UEP |
As TCH/AFS |
FACCH/F (2) EPCCH/F |
A |
|
8PSK (1) |
UEP |
ffs |
FACCH/F (2) EPCCH/F |
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|
DBPSCH/H |
TCH/H |
4 diag |
GMSK |
UEP |
As TCH/AHS |
FACCH/H (2) EPCCH/H |
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|
8PSK |
UEP |
As TCH/AHS |
FACCH/H (2) SACCH/TPH + EPCCH/H |
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|
Non Transparent Header Transparent |
Unack |
Dedicated |
DBPSCH/F |
PDTCH/F |
4 rect |
GMSK |
EEP |
SACCH/TF or SACCH/TPF + EPCCH/F |
B |
|
|
8PSK |
EEP |
SACCH/TF or SACCH/TPF + EPCCH/F |
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|
TCH/F (2) |
ffs |
GMSK |
EEP |
FACCH/F (2) SACCH/TF or SACCH/TPF + EPCCH/F |
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|
8PSK |
EEP |
FACCH/F (2) SACCH/TF or SACCH/TPF + EPCCH/F |
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|
DBPSCH/H |
PDTCH/H |
4 rect |
GMSK |
EEP |
SACCH/TH or SACCH/TPH + EPCCH/H |
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|
8PSK |
EEP |
SACCH/TH or SACCH/TPH + EPCCH/H |
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|
TCH/H |
ffs |
GMSK |
EEP |
FACCH/H SACCH/TPH + EPCCH/H |
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|
UEP Unequal Error Protection – EEP Equal Error Protection. (1) This row is intended for the realization of wide-band speech codec and is ffs. (2) Whether FACCH and PACCH are both needed is ffs. |
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