Product Description

nanoBTS Product Description Software Specification

5 SOFTWARE SPECIFICATION

5.1 Top Level Feature Overview

The nanoBTS:

• supports DHCP for IP configuration

• supports 12.21 mechanism for software upgrades

• supports a single boot code storage bank

• supports two application code storage banks

• only supports a single "base-band transceiver" GSM 12.21 managed object instance

• supports configuration of the BTS via GSM 12.21 messages

• supports the ip.access "A-bis over IP Interface"

• supports "typical" GSM BTS operations such as

• measurement pre-processing

• handover

• cell broadcast

• transmission of system information

• transmission and reception of "Full rate" or "Enhanced Full rate" speech

traffic

• transmission and reception of circuit switched data; A5/1 and/or A5/2 or "no

encryption" algorithms over the air interface

• incorporates the GPRS Packet Control Unit (PCU) to deliver GPRS service to

mobiles up to class 10 capability, with Coding Schemes 1-4. (165 with SR3 software

also supports EGPRS MCS1-9)

• supports Advanced Multi-Rate speech codec (AMR) on 165 with SR3 software

• supports the ip.access "Network Listen" feature to monitor and decode other GSM

base-stations

• performs regular monitoring of its operating conditions (e.g. temperature and

voltage) and warn an operations and maintenance system if it exceeds its operating

limits

• reports error conditions to the operations and maintenance system

• supports SNMP Gets and Traps for SNMPv2C

• controls an LED to provide feedback to the user as to the state the BTS is in

• interworks with the ip.access nanoBSC product

• stores non volatile parameters in EEPROM

These features are described in more detail in the following sections.