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HomeTools4G LTE
4G LTE
Standard: TS 36.213

LTE Throughput Calculator (3GPP Compliant)

Professional-grade LTE throughput calculator for radio engineers. Supports dynamic carrier aggregation (up to 8CC), TDD/FDD configurations, and massive MIMO peak rate calculations.

3GPP TBS Formula Definition

throughput = TBS(itbs, nprb) × layers × CCs × Scaling因子 × 1000 subframes/sec

Strict implementation of 3GPP TS 36.213. This tool performs Transport Block Size (TBS) lookups indexed by MCS and NPRB across all aggregated Component Carriers.

Expert Presets for LTE Categories

L1/L2 Physical Layer Settings

Component Carrier (CC) Aggregation

CC1
Full Duplex (Continuous SF)

L2/L3 Protocol Overhead Estimation

Factors in L2 headers, MAC padding, and signaling control (e.g., SIBs/MIBs).

LTE 3GPP Technical Reference & Methodology

Aggregated LTE Throughput Calculation (R_agg)

Our calculator strictly follows the 3GPP Release 15 protocols for Physical Layer Peak Rates. The total aggregated system throughput is calculated by summing the Transport Block Size (TBS) across all active Component Carriers, multiplied by the number of spatial MIMO layers and frequency scaling factors.

R_agg = Σ [ TBS(I_TBS, N_PRB,cc) × L_cc × G_cc × 1000 ] × (1 - η)

I_TBS: TBS Index (from MCS)

N_PRB: Number of Physical Resource Blocks

L_cc: MIMO spatial layers/transmission rank

G_cc: TDD/FDD Duty Cycle Scaling Factor

η: Estimated Protocol Stack Overhead

Key Calculation Factors

  • TBS Lookup (3GPP TS 36.213)

    Table-based lookup for Transport Block Size in bits for a 1ms TTI.

  • TDD Configuration (Table 4.2-2)

    Frame structure type 2 (TDD) scaling based on DL/Special subframe ratio.

  • MIMO Configuration

    Theoretical gain multiplier for spatial multiplexing layers (1x1 up to 8x8).

  • Protocol Overhead η

    L2/L3 compensation for MAC/RLC headers and control plane signaling.

LTE UE Categories Reference

Category 420MHz FDD, 2x2 MIMO, 64-QAM
150 Mbps
Category 16Up to 3-CC Aggregation, 4x4 MIMO, 256-QAM
1 Gbps
Category 18Up to 5-CC Aggregation, 4x4 MIMO, 256-QAM
1.2 Gbps

Official 3GPP Technical Specifications

TS 36.213TS 36.306TS 36.104TS 36.331

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Looking for more? Explore our full suite of 3GPP compliant professional tools for 5G NR and LTE radio engineering. Calculators are strictly audited against 3GPP Release 15-18 specifications for maximum calculation precision.