Question: What format must a 5G-RG's Permanent Equipment Identifier (PEI) follow if it supports at least one 3GPP access technology like NG-RAN or E-UTRAN?
Option 1: IMEI or IMEISV format, as per standard identifier protocols for 3GPP accesses.
Option 2: A unique MAC address of the device, regardless of the access technology used.
Option 3: A combination of the device's serial number and the supported access technologies' identifiers.
Option 4: The PEI format is determined by the type of core network (5GC) architecture in use.
Explanation: When a 5G-RG supports at least one 3GPP access technology, such as NG-RAN or E-UTRAN, it must adhere to standardized identification protocols for seamless integration and regulatory compliance. The IMEI (International Mobile Equipment Identity) or IMEISV (IMEI Software Version) formats are specifically designed for this purpose, providing a universally recognized method of identifying mobile equipment on 3GPP networks. This ensures efficient network operations, facilitates device management, and supports regulatory requirements across different access technologies.