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Radio link control (RLC) is a layer 2 Radio Link Protocol used in UMTS, LTE and 5G on the Air interface. This protocol is specified by 3GPP in TS 25.322 for UMTS, TS 36.322 for LTE and TS 38.322 for 5G New Radio (NR).RLC is located on top of the 3GPP MAC-layer and below the PDCP-layer. The main tasks of the RLC protocol are: RLC features specific to LTE only - 1) Re-segmentation.2) RLC SDU discard is notified by upper layer.

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  • Radio Link Control (de)
  • Radio Link Control (en)
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  • Radio link control (RLC) ist ein im Mobilfunk auf der Luftschnittstelle eingesetztes Layer 2 Protokoll. Das Protokoll wird von 3GPP für UMTS in TS 25.322, für LTE in TS 36.322 und für 5G New Radio (NR) in TS 38.322 spezifiziert.RLC liegt im Protokoll-Stack oberhalb der MAC-Schicht und unterhalb der PDCP-Schicht. Die wichtigsten Funktionen des RLC Protokolls sind: (de)
  • Radio link control (RLC) is a layer 2 Radio Link Protocol used in UMTS, LTE and 5G on the Air interface. This protocol is specified by 3GPP in TS 25.322 for UMTS, TS 36.322 for LTE and TS 38.322 for 5G New Radio (NR).RLC is located on top of the 3GPP MAC-layer and below the PDCP-layer. The main tasks of the RLC protocol are: RLC features specific to LTE only - 1) Re-segmentation.2) RLC SDU discard is notified by upper layer. (en)
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  • Radio link control (RLC) ist ein im Mobilfunk auf der Luftschnittstelle eingesetztes Layer 2 Protokoll. Das Protokoll wird von 3GPP für UMTS in TS 25.322, für LTE in TS 36.322 und für 5G New Radio (NR) in TS 38.322 spezifiziert.RLC liegt im Protokoll-Stack oberhalb der MAC-Schicht und unterhalb der PDCP-Schicht. Die wichtigsten Funktionen des RLC Protokolls sind: * Übertragung der Daten von höheren Protokollschichten. Drei Arten der Übertragung werden angeboten: Acknowledged Mode (AM), Unacknowledged Mode (UM) und Transparent Mode (TM) * Fehlerkorrektur mittels ARQ (nur im AM Übertragungsmodus) * Segmentieren und Zusammensetzen der Informationen (nur bei UM und AM) * Sortieren der Daten in der richtigen Reihenfolge (nur bei UM und AM); * Erkennen und Verwerfen von doppelt empfangenen Daten (nur bei UM and AM); * Erkennen und Behandlung von Protokollfehlern (de)
  • Radio link control (RLC) is a layer 2 Radio Link Protocol used in UMTS, LTE and 5G on the Air interface. This protocol is specified by 3GPP in TS 25.322 for UMTS, TS 36.322 for LTE and TS 38.322 for 5G New Radio (NR).RLC is located on top of the 3GPP MAC-layer and below the PDCP-layer. The main tasks of the RLC protocol are: * Transfer of upper layer Protocol Data Units (PDUs) in one of three modes: Acknowledged Mode (AM), Unacknowledged Mode (UM) and Transparent Mode (TM) * Error correction through ARQ (only for AM data transfer) * Concatenation, segmentation and reassembly of RLC SDUs (UM and AM) * Re-segmentation of RLC data PDUs (AM) * Reordering of RLC data PDUs (UM and AM); * Duplicate detection (UM and AM); * RLC SDU discard (UM and AM) * RLC re-establishment * Protocol error detection and recovery RLC features specific to LTE only - 1) Re-segmentation.2) RLC SDU discard is notified by upper layer. (en)
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