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laforge, 01/17/2018 06:44 PM

1 1 laforge
h1. Ericsson RBS 6000 architecture
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The Ericsson RBS 6000 architecture consists of many different modules, roughly split into two parts:
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* Digital Unit (baseband)
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* Radio Unit (ADC/DAC/PA/Duplexer/Diversity/...)
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The two units are interconnected via [[CPRI]] using SFP Transceivers (typically fiber optic based). As far as we know, for GSM the CPRI line speed is 2.5Gbps.
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A single Digital Unit can drive multiple Radio Units (typically up to 6).
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h1. GSM support in RBS6xxx
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h2. Digital Unit
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* [[DUG 10]] (Digital Unit GSM) for up to 12 TRX using [[RUG]]
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* [[DUG 20]] (Digital Unit GSM) for up to 12 TRX using [[RUS]] or [[RRUS]]
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* [[DUS 30]] for up to 12 TRX using [[RUS]] or [[RRUS]]
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h2. Radio Unit
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* [[RUG]] (Radio Unit GSM) for 2 GSM TRX
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* [[RUS]] (Radio Unit SDR) for 4 GSM TRX (or 3G/4G with DUW/DUL)
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* [[RRUS]] (Remote Radio Unit SDR) for 4 GSM TRX (or 3G/4G with DUW/DUL)
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