User's Manual

Chapter 1 - System Description The Base Transceiver Station
4Motion 13 System Manual
1.3 The Base Transceiver Station
The 4Motion solution features a multi-carrier, high-power Base Transceiver
Station (BTS). Designed for high availability and redundancy, it utilizes a central
networking and management architecture, and a range of diversity schemes.
The BTS main features include:
R1 support - 802.16e interface handling (e.g. PHY, MAC, CS, Scheduler, ARQ)
and processes such as handover, power control and network entry
R6 support - communication with ASN-GW
EAP proxy in ASN-GW mode
Handover triggering for mobility tunnel establishment - R6 (GRE tunnel)
Local QoS PEP for traffic via air interface (or SFM) and admission control
Hand-Over (HO) control function
Radio resource management agent
Key generation (TEK, KEK) and traffic encryption
The 4Motion Base Transceiver Station equipment includes:
The indoor modular Macro BTS.
The all-outdoor modular Macro BTS.
Outdoor Radio Units.
GPS Receiver
Power-Feeder (optional for the indoor Macro BTS).