| This is an implementation of Packet Control Unit (PCU) according to TS 04.60 |
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| The PCU is part of BSS, so it connects directly to SGSN. |
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| == Current limitations == |
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| * No PFC support |
| * No fixed allocation support |
| * No extended dynamic allocation support |
| * No unacknowledged mode operation |
| * No PCCCH/PBCCH support |
| * Only single slot assignment on uplink direction |
| * No half-duplex class support (only semi-duplex) |
| * No handover support |
| * No measurement support |
| * No TA loop |
| * No power loop |
| * No CS loop |
| * No EGPRS |