srsRAN

srsRAN
Name	srsRAN
Developer	Software Radio Systems
Released	2013
Programming language	C (programming language), C++
Operating system	Linux
License	GNU General Public License

srsRAN is an open-source software radio suite for implementing mobile radio access networks and user equipment. It provides a software implementation of cellular protocols that enables research, testing, and deployment of private and experimental networks. The project interoperates with radio hardware platforms and integrates with tools from academic and industrial ecosystems.

Overview

srsRAN implements protocol stacks and radio processing used in contemporary mobile systems, enabling interoperability with standards-defined infrastructures such as 3GPP releases and experimental implementations developed by organizations like EURECOM, NICTA, or Fraunhofer Society. It targets research and industry audiences including universities like Massachusetts Institute of Technology, University of Cambridge, and companies such as Intel Corporation and Nokia. The software runs on general-purpose compute platforms and interfaces with radio front ends from vendors such as Ettus Research and Analog Devices.

Architecture and Components

The architecture separates real-time radio processing, protocol layers, and management interfaces. Core components include the user equipment (UE) software, the radio access network (RAN) stack, and the evolved packet core (EPC) elements influenced by designs from projects at OpenAirInterface and specifications by 3GPP. Signal processing pipelines rely on libraries and frameworks like GNU Radio, FFTW, and toolchains common to Debian and Ubuntu distributions. Inter-process communication and control plane interfaces draw on patterns used by OpenStack projects and orchestration tools such as Kubernetes for scaling in cloud environments. Hardware abstraction supports front ends from USRP platforms and integrated RFICs from Analog Devices.

Features and Capabilities

srsRAN provides implementations of key protocol layers and functions required for cellular operation. Supported features include physical layer processing with modulation and coding schemes defined by 3GPP releases, medium access control (MAC), radio resource control (RRC), and core network elements following architectures used by GSMA operators and academic testbeds at institutions like Imperial College London. It supports multiple frequency bands, multiple-input multiple-output (MIMO) configurations, and channel models used in research from ITU and ETSI. Monitoring and debugging integrate with tooling familiar to engineers from Arm Limited ecosystems and test suites developed by standards bodies such as 3GPP and IETF.

Deployment and Use Cases

Common deployments include private cellular networks for enterprises, campus networks at universities such as Stanford University and ETH Zurich, and experimental setups by research labs affiliated with CNRS or Max Planck Society. Use cases span radio access network prototyping, protocol validation against specifications from 3GPP, spectrum sharing experiments coordinated with regulators like FCC and Ofcom, and IoT testbeds leveraging technologies from Semtech and LoRa Alliance integrations. Operators and system integrators from companies like Ericsson and Huawei have used srsRAN-style software for lab validation and feature development.

Development and Community

The project has an active community comprising contributors from academic institutions such as University of California, Berkeley, Technical University of Munich, and corporate contributors including Raspberry Pi Foundation users and developers at Google. Development practices mirror open-source projects hosted on platforms like GitHub and engage with continuous integration strategies used by Travis CI and GitLab CI/CD. Community activities include contributions at conferences and workshops such as IEEE ICC, ACM MobiCom, and events organized by Linux Foundation initiatives. Documentation and tutorials draw on educational resources from MIT OpenCourseWare and workshop materials presented at EuCNC.

Licensing and Compliance

srsRAN is distributed under the GNU General Public License family of licenses, aligning with compliance practices followed by projects like Linux kernel and Samba (software). Licensing choices affect derivative works and commercial integration, interfacing with intellectual property considerations encountered by companies such as Qualcomm and Broadcom. Deployers must consider regulatory compliance for spectrum use overseen by authorities like International Telecommunication Union, FCC, and regional administrations including ACMA.

Category:Free and open-source software Category:Telecommunications software