Comprehensive reference of mobile network terms, components, and technologies
38 terms across 1 categories
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Automated Guided Vehicles
Automated Guided Vehicles are driverless, mobile robots used in industrial automation for material handling and logistics. In 3GPP, they represent a critical use case for 5G and beyond, requiring ultra-reliable low-latency communication (URLLC), precise positioning, and coordinated motion control to enable safe and efficient operations in smart factories and warehouses.
Ambient IoT Function
The Ambient IoT Function (AIoTF) is a network function introduced in 3GPP Release 19 to manage and support Ambient IoT devices. These are ultra-low-cost, battery-free devices powered by ambient energy sources like RF harvesting. The AIoTF provides essential services for their registration, authentication, and communication, enabling massive-scale IoT deployments.
Bandwidth reduced Low complexity
BL (Bandwidth reduced Low complexity) is a 3GPP feature enabling LTE networks to support low-cost, low-power IoT devices. It reduces device complexity by limiting bandwidth to 1.4 MHz and simplifying RF requirements, making cellular IoT economically viable. This technology was foundational for LTE-M and paved the way for massive IoT deployments.
Bluetooth Low Energy
BLE is a low-power wireless communication technology standardized by 3GPP for IoT device connectivity. It enables energy-efficient data exchange between devices over short ranges, supporting applications like wearables, sensors, and asset tracking. In 3GPP standards, BLE integration enables cellular-IoT convergence and enhanced proximity services.
CIoT Serving Gateway Node
The C-SGN is a combined network node for Cellular IoT (CIoT) that integrates the MME and S-GW functions. It simplifies the core network architecture for IoT deployments, reducing signaling overhead and optimizing for low-power, low-data-rate devices. It is central to 3GPP's CIoT EPS Optimizations.
Connected Limited Device Configuration
A standardized device configuration framework for resource-constrained IoT devices in 3GPP networks. It defines minimum capabilities and requirements for devices with limited memory, processing power, and battery life, enabling efficient cellular IoT deployment. It ensures interoperability while optimizing for cost and energy efficiency.
Control Plane Early Data Transmission
CP-EDT is a 3GPP mechanism enabling small data packet transmission directly during the initial random access procedure, without establishing a full data radio bearer. It significantly reduces signaling overhead and device power consumption for IoT applications like sensors and meters that send infrequent, small data payloads.
Device to Reader
D2R (Device to Reader) is a communication mode introduced in 3GPP Release 19 for IoT and sensor networks. It enables a device (e.g., a sensor tag) to transmit data directly to a specialized reader node, bypassing traditional cellular base stations. This is crucial for efficient, low-power, and localized data collection in massive IoT deployments.
Factories of the Future
Factories of the Future (FF) is a 3GPP study and work item focusing on defining the communication requirements and enabling technologies for advanced, connected industrial automation. It aims to tailor 5G and beyond systems to support ultra-reliable, low-latency, and precise wireless control in manufacturing environments.
Inertial Measurement Unit
An Inertial Measurement Unit (IMU) is a sensor device that measures and reports a body's specific force, angular rate, and sometimes orientation. In 3GPP contexts, it's integrated into devices like drones or vehicles to provide motion data for enhanced location and mobility services, crucial for applications requiring precise positioning beyond GNSS.
In-Vehicle System
The In-Vehicle System is the terminal and associated sub-systems installed in a vehicle to support the eCall emergency service. It enables automatic or manual initiation of an emergency call, transmitting critical data like vehicle location to a Public Safety Answering Point (PSAP). This system is fundamental for road safety and mandated in many regions.
InterWorking - Service Capability Exposure Function
A network function defined for Cellular IoT (CIoT) that provides interworking between the SCEF and other network entities, particularly the MME/SGSN, for non-IP data delivery (NIDD). It acts as a relay/proxy, enabling the exposure of IoT device services and capabilities to external application servers via the SCEF, even for devices using optimized CIoT EPS architectures.
Low-Power Wide-Area
LPWA refers to a class of wireless technologies designed for IoT devices that require long-range communication, years of battery life, and low device cost. 3GPP standardized LPWA solutions include NB-IoT and LTE-M (eMTC), which are optimized for massive-scale sensor and meter deployments.
Low Power Wake-Up Receiver
A Low Power Wake-Up Receiver (LR) is an ultra-low-power radio component used in IoT devices. It continuously listens for a specific wake-up signal from the network while the device's main radio is powered off, enabling massive energy savings and extended battery life for machine-type communication.
LTE Vehicle-to-Everything
LTE-V2X (Vehicle-to-Everything) is a 3GPP standard that adapts LTE technology for direct and network-based communication between vehicles (V2V), infrastructure (V2I), pedestrians (V2P), and networks (V2N). It enables critical safety, traffic efficiency, and autonomous driving applications by providing low-latency, high-reliability links in vehicular environments.
Offset of NB-IoT Downlink channel number to Downlink EARFCN
MDL is a technical offset parameter used to map the narrowband physical resource block (PRB) index of an NB-IoT carrier to its corresponding downlink E-UTRA Absolute Radio Frequency Channel Number (EARFCN). It ensures correct frequency alignment and coexistence for NB-IoT deployments within LTE spectrum, which is critical for network planning and UE synchronization.
Mobile Initiated Connection Only
A UE power-saving mode for IoT devices where the network does not page the device. The device only becomes reachable for mobile-terminated services when it initiates communication, significantly extending battery life for infrequent data transmitters.
Mobile Originated Small Data Transmission
MO-SDT is a 3GPP mechanism enabling IoT devices to transmit small data packets with minimal signaling overhead, even in inactive or idle states. It optimizes network efficiency and device battery life by avoiding full connection establishment, crucial for massive IoT deployments.
Mobile Terminated Early Data Transmission
Mobile Terminated Early Data Transmission (MT-EDT) is a Narrowband IoT (NB-IoT) and LTE-M feature enabling efficient, network-initiated downlink data transmission during the random access procedure. It reduces signaling overhead and power consumption for infrequent, small downlink packets, which is critical for IoT device battery life.
Mobile Terminated Small Data Transmission
A 5G NR feature enabling efficient network-initiated delivery of small data packets to IoT devices in RRC Inactive state. It reduces signaling overhead and device power consumption by avoiding a full RRC connection setup for infrequent downlink data.
Machine Type Communications
MTC is the 3GPP framework for enabling machine-to-machine (M2M) communication over cellular networks. It provides optimized features for connecting a massive number of low-cost, low-power devices, such as sensors and meters, to support the Internet of Things (IoT).
Mass Transit Train Control
MTTC is a 3GPP service category for railway communication systems, enabling safe and efficient train control and operations. It supports critical functions like automatic train control, signaling, and passenger information over cellular networks. Its importance lies in enhancing railway safety, capacity, and operational efficiency through reliable wireless connectivity.
MTC Wake Up Signal
A low-power physical layer signal in NB-IoT and LTE-M designed to wake up dormant Machine-Type Communication (MTC) devices. It extends battery life by allowing devices to enter deep sleep and only activate their main receivers when the MWUS indicates pending downlink data.
Non-IP Data Delivery
A 3GPP feature enabling the transport of small, non-IP data packets (e.g., from IoT sensors) directly over the control plane of the mobile network. It optimizes network resource usage by avoiding the overhead of establishing full IP data sessions for infrequent, small data transmissions.
Network Improvements for Machine Type Communications
A 3GPP work item and set of features focused on enhancing cellular networks to efficiently support a massive number of low-cost, low-power Machine Type Communication devices. It addresses core network overload, signaling congestion, and device energy consumption challenges unique to MTC.
Narrow Band Wake Up Signal
A low-power signal in NB-IoT that wakes up a UE from an idle or inactive state to receive paging or system information. It significantly extends battery life for IoT devices by minimizing the time the main receiver is active. This is crucial for massive machine-type communication deployments.
Onboarding Standalone Non-Public Network
ON-SNPN is a 3GPP mechanism enabling IoT devices to securely discover, authenticate, and connect to a Standalone Non-Public Network (SNPN) without prior subscription data. It is crucial for deploying massive IoT devices in private industrial networks, allowing automated network onboarding.
Onboarding Network
An Onboarding Network (ONN) is a trusted network, which may be a PLMN or SNPN, that provides initial network access to a device so it can securely acquire credentials for its target service network (e.g., an SNPN). It acts as a secure bootstrap platform for device provisioning.
Power Efficient Operation
A set of features in GSM/EDGE Radio Access Network (GERAN) designed to extend battery life for IoT devices. It reduces power consumption by optimizing paging and signaling procedures, enabling devices to sleep longer. This is crucial for low-cost, long-lived Machine-Type Communication (MTC) deployments.
Personal IoT Network Application
PINAPP refers to application layer support for Personal IoT Networks, introduced in 3GPP Release 18. It enables users to create and manage their own localized IoT networks of personal devices, with application-level control and service enablement. It matters for consumer IoT scenarios like smart homes and personal wearables.
Programmable Logic Controller
An industrial digital computer adapted for the control of manufacturing processes or machinery. In 3GPP context, it refers to devices in industrial automation that utilize cellular networks (e.g., 5G) for communication, enabling features like ultra-reliable low-latency communication (URLLC) for critical control loops.
Preconfigured Uplink Resource
PUR (Preconfigured Uplink Resource) is a 3GPP feature enabling IoT devices to transmit uplink data without performing a random access procedure, reducing latency and power consumption. It allows the network to allocate dedicated periodic resources for small data transmissions, crucial for massive Machine-Type Communication (mMTC) and energy-efficient IoT applications.
Reader to Device
R2D is a communication mode defined in 3GPP for cellular IoT where a network-connected device (the Reader) initiates communication with a simpler, often battery-constrained Device. It is a key enabler for massive IoT applications like sensor networks and asset tracking, optimizing for power efficiency and network capacity.
Random Access-based Small Data Transmission
RA-SDT is a 3GPP NR feature introduced in Release 17 that enables IoT and other devices to transmit small data packets directly during the Random Access procedure, without transitioning to a full RRC Connected state. This significantly reduces signaling overhead, latency, and device power consumption for infrequent, small data bursts.
Radio-Frequency Identification
A wireless technology that uses electromagnetic fields to automatically identify and track tags attached to objects. In 3GPP Rel-18, it is integrated into the 5G system to enable enhanced asset tracking, logistics, and IoT applications by leveraging the cellular network for tag data collection and management.
Road Side Unit
A Road Side Unit (RSU) is a communication infrastructure component deployed along roads to enable Vehicle-to-Everything (V2X) services. It facilitates direct and network-based communication between vehicles, pedestrians, and traffic systems for enhanced road safety and traffic efficiency.
Service Capability Exposure Function
A core network function introduced for Cellular IoT (CIoT) that securely exposes network services and capabilities (like device triggering, monitoring, and small data transmission) to authorized third-party Application Servers. It acts as a controlled gateway, enabling IoT service providers to interact with devices without direct access to the network core.
Wayside Automatic Train Protection
A 3GPP system feature for railway communications that enables automatic train protection (ATP) functionality using wayside equipment connected via a 3GPP network, rather than traditional track-based systems. It leverages mobile network connectivity to transmit vital safety commands (like movement authorities) from a central control to trains.