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MARCONI LH

ETSITECHNICAL PRODUCT PRESENTATION

MINI-LINK CN 210

MINI-LINK CN 500

MINI-LINK CN 1010

MINI-LINK CN

Ericsson microwave portfolio

MINI-LINK TN

MINI-LINK PT

MINI-LINK LH

Common Antenna

Common Radio

Marconi LH

Marconi LHTechnical Product Presentation

• System components

• Network protection

• Configuration examples

• System performance

• Management

• Conclusion

Marconi LHSystem Components

System Components

• Indoor units– Channel branching network – Transceiver unit – Baseband unit– Power box

• Waveguide

• Antennas– Parabolic antennas: 0.6 m to 4.5 m

Architecture

Power box

WaveguidesAntenna 0.6 up to 4.5 m

Up to tentransceivers(TRX Units)

Channel branchingnetwork

Baseband unit (BBU)for up to 5xSTM-1

Baseband unit (BBU)

System rack

Indoor Architecture

1-5 STM-1 Interfaces (optical or electrical)

TRX UnitsBaseband Units

Baseband Unit #1

Baseband Unit #2

Channel BranchingNetwork

1-5 STM-1 Interfaces (optical or electrical)

SOH Processing

Control

Radio Protection

Switch

Baseband Processing

Baseband Processing

Radio Protection

Switch

Rack with Power box (fuses)

One or two polarizations

TRX #7 ModulationDemodulation










TX

Filte

rs

RX

Ma

in Filte

rs

RX

Dive

rsity Filte

rs

Channel Branching Network CBN

• TX filter with circulator

• RX filter with circulator

• Harmonic filter

• Branching circulator

• Waveguide absorber

• Isolator on TX-side

• RX-diversity filter with circulator (optional)

• Hot standby with (optional)– coax switch on TX-side and

– RF coupler on RX-side

– RF coupler on RX-Diversity side Circulator

Channel filter

TRX connection

TX side RX side RX diversityside

TRX 1

TRX 2

TRX 3

TRX 4

Channel Branching Network Example

3+1 or 4+0 configuration

One polarization

With space diversity

• One TRX-Unit per RF-band– Complete RF-band, no sub-bands

• All ITU patterns + alternative allocations – 1 kHz step

• Very flexible duplex range– Two full-band synthesizers

• SD receiver and XPIC always included – Only one spare part

Transceiver UnitTRX

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