GSM Digital Cellular
Second-generation digital cellular standard using SIM identity, digital voice coding, roaming, and circuit-switched mobile services.
Core metadata
- ID: gsm_digital_cellular
- Era: Modern
- First known date: 1991 (exact)
- Region: Europe and global mobile industry
- Review status: source_checked
- Maturity: established
Prerequisites
- Cellular Networks (cellular_networks)
- Digital Signal Processing (DSP) (digital_signal_processing)
- Integrated Circuits (Microchips) (integrated_circuits)
Dependents
Fields
Field lanes
- Telecommunications & Networking: Access Networks
Node sources
- 2G GSM (GSMA, 2026, official_agency) • Supports: node, maturity
Locator: GSMA describes 2G GSM as the digital mobile-network generation and explains its role in mobile voice, messaging, and roaming.
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 73%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Cellular Networks (cellular_networks) | enabling | 68% | expert_inference | Cellular Networks provides a capability that enables this technology without being the only possible path. |
|
| Digital Signal Processing (DSP) (digital_signal_processing) | enabling | 68% | expert_inference | Digital Signal Processing (DSP) provides a capability that enables this technology without being the only possible path. |
|
| Integrated Circuits (Microchips) (integrated_circuits) | required | 82% | expert_inference | Integrated Circuits (Microchips) is modeled as a necessary component or method for this technology in the current graph. |
|
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