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Accelerating Small-Cell Deployment with a Microwave Backhaul Service Layer Kostas Ntagkounakis, PhD Senior Marketing Eng. 23.04.2013
© Intracom S.A. Telecom Solutions Small-Cell & Backhaul Service Layer 2 Macro-Cell Backhaul: Street-Level Perspective Existing Macro-Cell Backhaul Layer
© Intracom S.A. Telecom Solutions Small-Cell & Backhaul Service Layer 3 Small-Cell Backhaul: Street-Level Perspective Existing Macro-Cell Backhaul Layer
© Intracom S.A. Telecom Solutions Perceived as Attractive Candidate Solutions: Sub 6 GHz, PtP/PtMP NLOS 60 GHz, PtP High Capacity, Unlicensed Perceived as Macro-Cell Backhaul Oriented: MW Technologies, PtP/PtMP 4 Small-Cell Backhaul: Wireless Solutions The Myths & Value of Microwave MW: Area-Licensed Spectrum (26/28/32/42 GHz)
© Intracom S.A. Telecom Solutions 5 MW Technology for Small-Cell BackhaulPerception Has inappropriate form factor and shape Has high consumption, and complex installation 300x300x285mmReality Can have attractive shape & compact size Benefits from existing, field- proven H/W and S/W Brings innovations Antenna auto-alignment Zero-touch provisioning Low power consumption 265x145x166mm
© Intracom S.A. Telecom Solutions 6 MW Radio Capacity for Small-Cell BackhaulPerception Many channels, and complex techniques are required for sufficient throughput MW spectrum is congested and expensiveReality There is plenty area licensed spectrum, with an attractive licensing scheme Two channels are sufficient, for a Small-Cell Backhaul network Links achieve up to 540 Mbit/s Full Duplex, which is future-proof for LTE Small-Cells PtMP configuration can efficiently offer up to 2.2 Gbit/s, at aggregation sites
© Intracom S.A. Telecom Solutions 7 Link Planning for Small-Cell BackhaulPerception LOS is difficult to be achieved in reality Requires complex RF planningReality A Multipoint, multi-hop architecture extends to any location, maximizing the LOS connectivity Pursuing LOS connectivity is best-practice as range, capacity and reliability are optimized! Near LOS may be possible for small radio paths (i.e. link through vegetation) RF planning procedure is very simple and known to operators (same as for macro-cell backhaul)
© Intracom S.A. Telecom Solutions 8 MW for Small-Cell Backhaul MW Evolves with Significant Innovations for Small-Cell Backhaul Macro-Cell Technology Insufficient Performance Complex RF Planning MW Delivers LTE-Backhaul Grade Performance MW Utilizes Simple, Proven Network Planning Procedures Perception Reality
© Intracom S.A. Telecom Solutions 9 Small-Cell Backhaul: A New Service Layer New Service Layer, Greenfield Deployment, Specifically for Small-Cells
© Intracom S.A. Telecom Solutions Microwave: Area-Licensed Spectrum 26/ 28/ 32/ 42 GHz Bands 10 Small-Cell Backhaul: The Microwave Solution Accelerating Backhaul & Small-Cell Deployment Flexible Connectivity: PtP and/or PtMP Multi-hop/Relay Architecture
© Intracom S.A. Telecom Solutions 11 The Value of Area-Licensed MW Spectrum Plenty of Regulated, Uncongested Spectrum: 26 GHz: 1762 MHz 28 GHz: 1232 MHz 32 GHz: 1568 MHz 42 GHz: 2000 MHz Superior Performance: Less affected by multipath, (vs. sub 6 GHz) Less affected by rain, (vs. 60 GHz) Higher Practical Value: Regulated, clean spectrum Contiguous spectrum facilitates optimized RF planning Area license fee, independent of links number (fixed expense) Greatly simplifies licensing logistics 6.5 GHz Bandwidth
© Intracom S.A. Telecom Solutions 12 Blocked Path Highly uncorrelated backhaul layers! Cross-layer radio signals are blocked or absorbed Re-Use the same spectrum (i.e. 28 GHz) & freq. channels, with minor, coordinated RF Planning Macro-Cell & Small-Cell Backhaul: Co-Existence in the same Spectrum
© Intracom S.A. Telecom Solutions 13 Any Architecture Microwave Solution The solution supports any type of PtP connectivity Realizes Any Network Architecture: Multi-hop, Relay Extensions, PtP Rings MW units can be also configured as PtMP, for optimized connectivity
© Intracom S.A. Telecom Solutions 14 Reaching Any Location: Multipoint Extensions i.e. PtP PtMP Relay: Extends reach to the hidden Small-Cells, efficiently Buildings may obstruct direct LOS links between adjacent mall-Cells Multipoint Nodes Efficiently Extend Connectivity Along the Street Canyons Multipoint Nodes: Realize multihop PtP and/or PtMP connectivity
© Intracom S.A. Telecom Solutions 15 Street-level Multipoint Extensions Flexible, Scalable, Easy-to-Deploy Architecture Fiber Small-Cell PtMP 1 st Hop Small-Cell PtP 2 nd Hop PtMP 1 st Hop PtMP 2 nd Hop PtP 3 rd Hop
© Intracom S.A. Telecom Solutions 16 Raising The Value of Multipoint Connectivity Software Defined Radio is a Key Component for Realizing Efficient Multipoint Extensions Software Define Radio efficiently realizes different connectivity roles: PtMP Hub, PtMP Terminal, PtP Unit Multipoint Nodes: A single unit (system) realizes: PtP or PtMP functionality A common radio greatly facilitates: RF planning, network design, equipment deployment, and operations
© Intracom S.A. Telecom Solutions 17 Connecting Small-Cells Optimally: PtMP Adopting PtMP Connectivity Greatly Reduces the Equipment BoQ & Footprint PtMP Value: N+1 Units for N Links Only 2 Units on Aggregation Lamppost PtMP Value: Single Channel per Aggregation Point (Hub) Dynamic Bandwidth Allocation Centralized QoS PtMP Value: New Links Require only Terminal Installation
© Intracom S.A. Telecom Solutions 18 MW & LOS Performance Certainty MW LOS Performance: Carrier-Grade, 99.99% Availability, Max Capacity (1024 QAM) NLOS Planning: i)Statistical Link Gain ii)Unknown Interference Uncertain, varying, unreliable performance MW Deterministic Planning Guarantees Deploy-&-Forget Performance MW LOS Planning: Deterministic planning delivers predictable results Intelligent mechanisms can mitigate the street- level multipath effects
© Intracom S.A. Telecom Solutions 19 Terrain clutter blocks Interfering Paths and absorbs Multipath No Interference! Clutter Absorbs MW Co-Channel Interference F1 Channel PtMP Tx @ F1 TS Rx @ F1 F1 Channel TS Rx @ F1 Blocked Interfering Path
© Intracom S.A. Telecom Solutions 20 Very simple RF Planning, Street by Street Frequency Re-Use, Only Two Channels Required Simple, 2 Channels Frequency Re-Use F1 Channel F2 Channel
© Intracom S.A. Telecom Solutions 21 Intelligent Microwave Auto-Alignment: i) Simplifies unit mounting ii)Minimizes alignment time / effort iii)Ensures optimum performance Zero-Touch Provisioning: i)Reduces installation time ii)Avoids configuration faults iii)Reduces field personnel Automation Facilitates Success in Few Simple Steps - No Further Visits Real-Time Verification: i) Ensures single-visit installation success ii) Diminishes undetected fault conditions
© Intracom S.A. Telecom Solutions 22 Accelerating Small-Cells Deployment Microwave-Multipoint: Exploits High-Valued, yet Unutilized Area Licensed Spectrum Simple Planning / Deploy-&-Forget / Assured Performance Field Proven Technology / Carrier- Grade Backhaul Performance Flexible PtMP/Relay/PtP Connectivity, Reaches Any Location, Efficiently Automation: Alleviates Complexity, Avoids Fault Conditions
© Intracom S.A. Telecom Solutions 23 StreetNode A StreetNode demo is available at INTRACOM TELECOM stand. You are welcome! Microwave: 26/ 28/ 32/ 42 GHz Multipoint: PtMP & Relay PtMP & PtP 540 Mbit/s Full-Duplex, Carrier-Grade Intelligent: Auto-Alignment, Zero-Touch Provisioning
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