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Solutions
Radio Server (RS) and Remote Radio Head (RRH) are used for one of the solutions of Node B distributed architecture.
Advantages
Remarks
CAPEX saving
･Site acquisition and cabling easiness
･Compliance to CPRI standard & its benefits
･Cell configuration - Flexible and scalable
･Compliance to CPRI standard & its benefits
･Cell configuration - Flexible and scalable
Distributed architecture & optical connection
Cost reduction with common-chips/ boards
Easy to configure power, coverage, & capacity
Cost reduction with common-chips/ boards
Easy to configure power, coverage, & capacity
OPEX saving
Half of conventional Node B
Downsizing by 70%
OPEX maintain by Same SW and operation
Downsizing by 70%
OPEX maintain by Same SW and operation
Investment protection
Add RRH in place of additional Node B
Future proof RS/RRH
Co-exist available with conventional Node B
Future proof RS/RRH
Co-exist available with conventional Node B
RAN architecture using RS/RRH
Separation of the RF from Baseband processing
- RS is the base band part of Node B
- RRH is the RF part of Node B’s
Reduction in power consumption
Power consumption of NEC Node B drops systematically. DRIC/CAT* with digital circuit on INF saves 25%. Moreover, RS/RRH with optical connection saves additional 25%.
Remark: DRIC stands for Digital Radio Interface Card and CAT means Combined Amplifier and Transceiver. DRIC and CAT are connected by a digital high-speed interface called the Common Public Radio Interface (CPRI).
