10_RA4120AEN20GLA0_NSN_LTE_Solution_v04_ppt.pdf

8/11/2019 10_RA4120AEN20GLA0_NSN_LTE_Solution_v04_ppt.pdf

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active users: terminal attached to the network with a connection to an activeapplication (EMM-REGISTERED, ECM-CONNECTED, RRC_CONNECTED, DRB

established). The state includes UEs that have applications carrying out backgroundpolling even if the subscriber is not actively using an application. Both signaling anddata radio bearers are established and active in this state.



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FSMD has 2 FSPC (DSP boards) thus it will use 1 for WCDMA (250 CE) and 1 forLTE (eg. 1+1+1 @ 5 MHz)

FSME has 3 FSPC (DSP boards) thus another sharing will be possible 1 forWCDMA (250 CE) and 2 for LTE (e.g.. 1+1+1 @ 10 MHz) or maybe in opposite 2boards for WCDMA and 1 for LTE.

WCDMA-LTE concurrent mode will be part of RL40 ( same system module sharedbetween WCDMA and LTE). If 2 boards are used for LTE them SM behaves as anFSMD and has the same active users limitations as an FSMD ( 420 UE@10MHz)



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S1 and X2 interfaces

The connectors for the S1/X2 are located on the front panel of the transmission sub-module (FTxx). Thecables are routed to the side of the System Module. The alternative Flexi Transport sub-module can be

changed on site, for example future transport capacity or feature evolution purposes.

BTS Element Management port

An Element Manager PC can be connected to the management port connector at the System Module,for commissioning, operations, maintenance, and testing of the BTS. An RJ45 Ethernet connector isused.

Integrated Ethernet switch for external devices

These four Ethernet interfaces can be used to carry initialization data, control data, and signaling datafrom the BTS to any auxiliary equipment that has an Ethernet port and an IP address.

Equipment such as an external Site Support, and microwave radio equipment can also be connected tothe Flexi Multiradio BTS via these ports. The connectors are located in the Flexi Multiradio BTS SystemModule.

Interfaces are three 10/100/1000Base-T and one 10/100Base-TX all with RJ45 connectors.

Power feeding

A Flexi Multiradio BTS site has one common DC input power supply that is connected to the SystemModule. The System Module distributes DC current to the RF Modules and second System Moduleoperating in baseband extension mode. The AC connector is at a separate optional Flexi AC-DC PowerModule (FPMA).

External alarms and controls (EAC)

External alarms and control (EAC) signals are used to collect simple ON/OFF external alarms (12) fromany equipment that is external to the BTS. They are also used to provide ON/OFF control signals (6) forcontrolling external devices.

External Synchronization Input

When using this HW connector Flexi Multiradio BTS can be optionally synchronized with an externalclock signal (e.g. GPS, 2 MHz or 10 MHz signal). This might be required e.g. in a case when backhaultransmission over Ethernet does not support reference clock signal or timing packets.

External Synchronization Output

Flexi Multiradio BTS can provide clock reference signal to other co-located BTS nearby (2G, 3G andfuture BTS) via MDR14 connector in System Module.



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Samsung for MetroPCS; HTC for Verizon.

2011 Q2: Samsung “Stealth V” (SCH-i510) : LTE (750MHz) / EVDO

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