Self-organizing networks (SON) are how the mobile industry automates parts of running a radio network. This page explains what SON is according to 3GPP, what it covers and what it leaves out, and how it compares with autonomous private 5G.
Definition
A self-organizing network (SON) is an automated technology designed to help manage mobile networks, as 3GPP describes it. SON is an umbrella concept for different techniques that let a network configure and optimize itself. SON functions are closed-loop processes: they take inputs such as measurement results, process them and change the relevant parameters without user intervention.
3GPP describes three architectures: centralized SON, where the algorithms run in the operations and management (OAM) system; distributed SON, where they run in the network elements, typically the base stations; and hybrid SON, which combines the two.
Where SON comes from
SON was first introduced into 3GPP specifications in Release 8, in 2009. The core specification, 3GPP TS 32.500, gives the reason: to reduce the operating expenditure of managing a larger number of network nodes from more than one vendor, by reducing manual involvement in planning, configuration and optimization. SON continues in 5G, where 3GPP TS 28.313 specifies SON for 5G networks.
According to 3GPP, SON has still not been universally adopted. Networks are often multi-vendor, with management interfaces that are not strictly standardized, so SON applications tend to be tailored for each network.
Self-organizing vs self-optimizing network
In 3GPP’s terms, self-optimization is one part of SON, not another name for it. SON functions fall into groups:
- Self-configuration: new base stations are configured automatically when they are added, so they can join the network.
- Self-optimization: base station parameters are updated continuously, based on measurements from the network and the mobile devices.
- Self-healing: problems are identified quickly and their effects compensated, for example by having neighboring base stations cover a failed cell.
- Self-protection: security attacks are identified and countered quickly.
What SON does not cover
SON is specified at the concept level. The specifications define requirements, measurements and interfaces, but the SON algorithms themselves are not standardized; they are left to each implementation. Its scope in TS 32.500 is SON functions within the OAM system for the radio access network, such as neighbor relations, coverage and capacity optimization, handover optimization and the self-establishment of new base stations.
Self-healing is also limited by design: 3GPP notes that it may not repair the original problem, but provides a temporary fix that gives the operator time to analyze and correct it. Read what a self-healing network is.
SON vs autonomous private 5G
| Self-organizing network (SON) | Autonomous private 5G | |
|---|---|---|
| What it is | A 3GPP concept for automating mobile network management functions | A private 5G architecture that combines local autonomy with AI-driven, zero-touch operation |
| Scope | Radio access network management within the OAM system | The site network: radio, core functions, edge workloads and connected devices |
| Algorithms | Not standardized; left to each implementation | AIDEN, included with every EdgeNectar deployment |
| Designed for | Operators managing many nodes from more than one vendor | Enterprise sites without a dedicated network team |
| If the cloud link drops | Not part of SON’s scope in TS 32.500 | The on-premises gateway keeps the site running |
Read what autonomous private 5G is.
How AIDEN goes beyond SON
AIDEN (Artificial Intelligence Delivery Edge Network) is EdgeNectar’s patent-protected Edge AI engine, included with every deployment. Where SON automates parts of radio network management for an operator’s team, AIDEN runs the whole site network. It reads live telemetry continuously across the radio network, core functions, edge workloads and every connected device, covering signal quality, latency, jitter and device health. It catches degradation while it is still a trend, before it becomes an outage, and corrects issues automatically by reallocating channels, rebalancing load or rolling back a configuration, with no ticket and no specialist on call. No dedicated network team or telecom specialist is needed. Read about the AI that runs your network, or see how it works.
FAQ
What does SON stand for?
SON stands for self-organizing network: a 3GPP concept for automating the configuration, optimization and healing of a mobile network’s radio layer through closed-loop functions.
Is SON part of 5G?
Yes. SON was introduced in 3GPP Release 8 in 2009, and 3GPP TS 28.313 specifies SON for 5G networks.
Does SON remove the need for a network team?
Not on its own. 3GPP describes SON as reducing manual involvement for network operators, and its self-healing functions provide a temporary fix that gives the operator time to correct the original problem. The SON algorithms are left to each implementation.
What is the difference between SON and autonomous private 5G?
SON is a 3GPP concept for automating radio network management for operators. Autonomous private 5G is a complete private 5G architecture: an on-premises gateway keeps the site running if the cloud link drops, and AIDEN runs the network so no dedicated network team is needed.