BSS/OSS Academy
Domain Examples/Fixed Wireless Access (FWA)

Fixed Wireless Access (FWA)

End-to-end flow for activating a residential Fixed Wireless Access broadband service, from RF coverage and cell capacity check through CPE self-install or technician-assisted outdoor antenna mounting, mobile core provisioning (HSS/PCRF on the same core as mobile handsets), dedicated FWA APN routing, TR-069 CPE configuration, data cap metering, and ongoing RF monitoring with cell capacity management. Demonstrates how the same CFS:BroadbandInternet used for FTTH decomposes to entirely different RFS items when the access technology is radio instead of fibre.

Architecture Overview

Fixed Wireless Access delivers residential broadband over 4G/5G radio instead of fibre. A CPE router with an embedded SIM connects to the nearest cell site, authenticates via the mobile core (HSS), and obtains IP connectivity through a dedicated FWA APN. The customer sees "broadband" — identical to FTTH from a service perspective — but the underlying access technology, capacity model, and assurance approach are fundamentally different. FWA shares cell capacity with mobile handset users, making capacity management the critical operational challenge.

Customer PremisesCustomer-owned15G/4G CPE RouterOperator-supplied2RAN (eNodeB / gNB)Operator-managed3Mobile Core (EPC / 5GC)Operator-owned4Services & InternetInter-carrier5

Customer Premises

Home devices connect via Wi-Fi to the FWA CPE router. Indoor CPE sits on a window sill; outdoor CPE mounts externally with a directional antenna for better signal.

5G/4G CPE Router

Operator-supplied router with embedded SIM/eSIM. Contains 4G/5G modem, Wi-Fi AP, and Ethernet ports. Managed via TR-069 ACS. Band-lockable to optimise cell selection.

RAN (eNodeB / gNB)

4G eNodeB or 5G gNB serving the customer premises. FWA subscribers share PRBs (Physical Resource Blocks) with mobile handset users on the same cell. Capacity is finite and weather/load-dependent.

Mobile Core (EPC / 5GC)

HSS authenticates the CPE SIM. PGW/UPF routes FWA traffic via dedicated APN to BNG/NAT for internet breakout. PCRF/PCF enforces speed tier and data cap policies.

Services & Internet

BNG/CGNAT for internet breakout, TR-069 ACS for CPE management, billing/mediation with data cap metering, and cell capacity management for FWA subscriber gating.

Provisioning Workflow

Step-by-step orchestration flow — click any step to view systems, inputs/outputs, and eTOM mapping.

Interactive Flow Steps

BSSOSSPartnerBSS+OSS

Tap any step to view details, systems, and eTOM mapping.

Step-to-eTOM Mapping

eTOM L2 CapabilitySteps
CRM & Retention Management
Selling
Order Handling
Service Configuration & Activation
Resource Provisioning
Billing & Revenue Management
Service Quality Management