aLTErnative UE is a revolutionary subscription service for Ubuntu Linux operating system providing access to the latest open source LTE User Equipment protocol stacks complemented with customer-oriented technical support. With aLTErnative UE you no longer need to think in terms of costly license purchase nor fear working with bare open-source software.

Under the service we will install and configure your open source LTE stack and make sure it will be seamlessly running on recommended hardware. Moreover, you get access to our technical support in order to solve both IT and telecom issues related to stack operation.


Service is designed for your comfort with the target that you save your time and money and hence can focus on your business. aLTEnative UE is an optimal solution for all R&D engineers and educators working on development or knowledge creation of LTE/4G/5G wireless access systems.


We also offer aLTErnative eNB supporting open-source eNB protocol stack (aLTErnative eNB)

Key features and benefits

Key Features Advantages Benefits
Open source protocol stack Access to all UE functionalities Freedom to modify, adapt and deploy
Configurator Easy installation and configuration Saves a lot of time, all-in-one solution
Professional O&M Instant access to supporting professionals You can concentrate on your added value and not on system operation

Technical specification summary

PHY Layer

  • LTE Release 8 compliant
  • FDD configuration
  • Tested bandwidths: 1.4, 3, 5, 10, 15 and 20 MHz
  • Transmission mode 1 (single antenna) and 2 (transmit diversity)
  • Cell search and synchronization procedure for the UE
  • Frequency-based ZF and MMSE equalizer
  • Highly optimized turbo decoder available in Intel SSE4.1/AVX (+100 Mbps) and standard C (+25 Mbps)

Upper Layers

  • LTE Release 8 compliant
  • MAC, RLC, PDCP, RRC, NAS and GW layers
  • Soft USIM supporting Milenage and XOR authentication

Network Interfaces

  • Ability to use it as typical LTE modem to connect to internet (creates standard network interface)
  • Verified against Amarisoft eNB

Subscription features (installer / configurator + service):

  • Automated installation of LTE stack and all its dependencies
    • Obtaining the source code
    • Environment setup
    • LTE stack build
  • Powerful management tools:
    • Configurable user profiles
    • Easy to use text-based UI for Linux novices
    • Full control through command line for Linux power users
    • LTE stack setup from one central place
  • LTE stack control frontend

Hardware requirements:

  • Intel Core i5 or equivalent CPU
  • 4 GB RAM
  • USB 3.0
  • USRP B200/B210

Software requirements:

  • Ubuntu 14.04 LTS 64-bit OS


Application Benefit Who can benefit?
R&D aLTErnative UE serves as an embedded real-time operating platform suitable for research on UE-related functionalities Research Institute, ODM, OEM, Operator
Education aLTErnative UE provides great platform for teaching and experimentation on 4G and 5G Universities, training companies
Demonstration aLTErnative UE can be used to demonstrate operation of LTE infrastructure in a mini laboratory environment Research Institute, ODM, OEM, Operator
Modem development aLTErnative UE shortens significantly development time of a LTE modem ODM, OEM, Research Institute


Debian package (*.deb file) compatible with Ubuntu 14.04 LTS x86_64 operating system. The package installs executable binaries for LTE stack management, libraries required by the binaries and shell scripts for easy LTE stack installation.

aLTErnative UE Box