Product Description

Product Description
24 (98) © Nokia Corporation Draft DN991444
Nokia Proprietary and Confidential Issue 3-0 en Draft
3.3.1 General Packet Radio Service (GPRS)
GPRS is designed to make the GSM data services more compatible with LAN,
WAN, and the Internet. In GPRS, the radio resources are used only when there
actually is data to be sent or received. GPRS also provides immediate
connectivity and very short set-up for sending a data packet. The throughput is as
high as in high speed circuit switched data (HSCSD). The Nokia MetroSite
EDGE Base Station supports GPRS coding schemes 1 and 2.
3.3.2 Enhanced General Packet Radio Service (EGPRS)
EGPRS is built on top of GPRS to increase the data rate of GPRS by applying
EDGE modulation and increasing the Air interface throughput. The data rate of
GPRS is increased up to threefold with EGPRS. The Nokia MetroSite EDGE
Base Station supports EGPRS modulation and coding schemes (MCS) 1 to 7.
EGPRS requires EDGE capable TRXs to be fitted in the BTS and CX 3.2
software or later.
3.4 Easy and fast deployment
This section describes the installation and commissioning procedures of the
Nokia MetroSite EDGE Base Station. The detailed task-oriented instructions can
be found in Nokia MetroSite EDGE Base Station: Installation and in Nokia
MetroSite EDGE Base Station: Commissioning.
3.4.1 Installation
Variety of installation possibilities
Due to its small size, unobtrusive appearance, low weight, and high level of
integration, the Nokia MetroSite EDGE Base Station accommodates a variety of
new installation possibilities. The extended environmental performance of the
Nokia MetroSite EDGE Base Station enables installation indoors and outdoors,
even in extreme climatic conditions. Mounting options are available for both wall
and pole installations. The Nokia MetroSite EDGE Base Station can also be
mounted horizontally on its back. For more information on mounting positions
refer to Nokia MetroSite EDGE Base Station: Requirements for Installation and
Operation.
Delivery and installation procedure
The Nokia MetroSite EDGE Base Station is delivered to the site with the ordered
plug-in units pre-installed. Shield units are installed in those unit slots that are not
occupied by functional units. The purpose of shield units is to provide protection
for the backplane connectors, ensure optimal air flow inside the cabinet, and
provide EMC and weather shielding for the BTS.