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TS 36.321 (RAN2)
E-UTRA – Medium Access Control (MAC) protocol specification

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V15.0.0 (Wzip)    2017/12    109 p.
V14.5.0 (PDF)    2017/12    xx p.       V14.4.0 (PDF)    2017/09    110 p.
V13.7.0    2017/09    96 p.
V12.10.0    2017/09    78 p.
V11.6.0    2015/03    59 p.
V10.10.0    2014/01    56 p.
V9.6.0    2012/03    50 p.
V8.12.0    2012/03    49 p.

Rapporteur:  Mr. Folke, Mats
See also:  TS 25.321 (UTRA MAC)    

This TS specifies the E-UTRA MAC protocol. E-UTRA defines two MAC entities; one in the UE and one in the E-UTRAN. These MAC entities handle the following transport channels:
  • Broadcast Channel (BCH);
  • Downlink Shared Channel(s) (DL-SCH);
  • Paging Channel (PCH);
  • Uplink Shared Channel(s) (UL-SCH);
  • Random Access Channel(s) (RACH);
  • Multicast Channel(s) (MCH).
The exact functions performed by the MAC entities are different in the UE from those performed in the E-UTRAN. The Relay Node includes both MAC entities; one for communication with UEs and one for communication with the E-UTRAN.

for V14, V15:    (F) Removal of FFS for RAI in 36.321   |   (F) Minor correction on the IE of pusch-EnhancementsConfig in feMTC   |   (F) Clarification on carrier index in PDCCH order   |   (F) Correction of reference for kPHICH value   |   (F) Corrections to V2X functionality   |   (F) Change to actions upon mac-ContentionResolutionTimer expiry for FeMTC and eNB-IoT   |   (F) Correction to random access power control in 36.321   |   (F) Clarification on averaging window for RAN assisted codec rate adaptation
for V15:    (B) EN-DC impacts to LTE MAC


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1   Scope [R8]   PDF-p. 7
2   References [R8]
3   Definitions and abbreviations [R8]   PDF-p. 8
4   General [R8]   PDF-p. 11
5   MAC procedures [R8]      Up
5.1   Random Access procedure
5.2   Maintenance of Uplink Time Alignment
5.3   DL-SCH data transfer   PDF-p. 29
5.4   UL-SCH data transfer
5.5   PCH reception   PDF-p. 45
5.6   BCH reception
5.7   Discontinuous Reception (DRX)
5.7a   Discontinuous Reception (DRX) for SC-PTM [R13]   PDF-p. 48      Up
5.8   MAC reconfiguration   PDF-p. 49
5.9   MAC Reset
5.10   Semi-Persistent Scheduling   PDF-p. 50
5.11   Handling of unknown, unforeseen and erroneous protocol data
5.12   MCH reception [R9]   PDF-p. 52
5.13   Activation/Deactivation of SCells [R10]
5.14   SL-SCH Data transfer [R12]   PDF-p. 53
5.15   SL-DCH data transfer [R12]   PDF-p. 64
5.16   SL-BCH data transfer [R12]
5.17   Data inactivity monitoring [R14]   PDF-p. 67
5.18   Recommended Bit Rate [R14]
5.19   Activation/Deactivation of CSI-RS resources [R14]   PDF-p. 68      Up
5.20   Preallocated uplink grant [R14]
5.21   SC-PTM Stop Indication [R14]

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