LTE MAC Lab is a system-level simulation tool running under Matlab. LTE MAC Lab allows customers to model a wireless LTE network deployment, analyse its
performance and understand dynamic mechanisms of the radio interface. It reflects the dynamic behaviour of a modelled HetNet RAN (Figure 1) focusing on
Radio Resource Management features such as scheduling, carrier aggregation, handovers and link adaptation. It includes implementation of propagation (path loss, shadowing and multipath) and mobility models.

Figure 1. LTE MAC Lab Heterogeneous Network (HetNet) scenario.

Screenshot LTE MAC Lab coverage analysis


ApplicationBenefitWho can benefit?
MAC prototypingLTE MAC Lab shortens the development timeODM, Research Institute, Protocol Stack Developer
R&DLTE MAC Lab provides simulation frameworkResearch Institute
Development of PHY layer functionalitiesLTE MAC Lab serves as a reference modelChip Manufacturers, ODM, Research Institute
Network modeling and analysisLTE MAC Lab allows to estimate cell-level performanceODM, OEM, Operator
EducationLTE MAC Lab serves as an environment to visualize LTE network operationUniversity, Training Company

In LTE MAC Lab a user models wireless network behaviour operating under controlled parameters and various radio resource management schemes (Figure 2). The tool allows simulating networks with any number of base stations and with a maximum number of 5 aggregated component carriers (which gives the maximum bandwidth of up to 100 MHz). After running the simulations, transmission statistics and performance parameters are determined including system and user throughput, received power distribution, SNIR map and many more.

Figure 2. LTE MAC architecture.

LTE MAC Lab is implemented as a library of modular functions with well-defined interfaces, which allows a user to include its own algorithms. The tool has a 1 ms time stamp for accuracy, which can be traded for speed.

LTE specific features:

  • Carrier Aggregation (3GPP LTE Rel. 10)
  • LTE channel bands: 700 – 3000 MHz
  • All LTE bandwidths: 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz

Simulation features:

  • Dedicated functions for user defined algorithms (i.e. open API)
  • Downlink transmission, any number of HetNet base stations
  • RRM Functionalities: scheduling (PF, RR, ISW proprietary), link adaptation, handover, carrier activation/deactivation
  • Users Mobility Models: Random Direction Model, Random Way Point Model;

Link model:

  • Pathloss models: Modified Okumura – Hata model, 3GPP TS 36.942 Model, Winner Model, COST 231 Model;
  • Multipath models: 3GPP TS 36.942 Model, Winner Model, Random Distribution Model;
  • Environments: Rural, Urban, Suburban;various antenna models

MTC simulations:

  • 3GPP MTC Traffic Model 1, up to 30 000 devices in single simulation
  • Random Access procedure

Real-life smart meter case

Figure 4: LTE MAC Lab: performance analysis

Figure 5: LTE MAC Lab: coverage analysis

Figure 6: LTE MAC Lab: performance analysis

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