Flexi EDGE BTS 1 Nokia Siemens Networks

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Flexi EDGE BTS 1 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. TI/ 10122009

GSM System Architecture Our focus (BSS system) 2 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009

Flexi BTS installation options Stacked installation Wall installation Pole installation Nokia, 3 rd party BTS cabinet or SSS installation Urban feederless site application Up to 3 150 © Nokia Siemens Networks met er s* Flexi EDGE BTS Status / Ve. Ti / 10122009 unique BTS reducing costs multiradio *BB hopping

Main modules of Flexi EDGE BTS Sector module (3 HU) System Module (3 HU) • Logical module comprising Dual TRX and Dual duplexer modules • O&M, power distribution, system bus Dual duplexer module (optional) (1 HU) • Duplexing & multicoupling, VSWR, Bias-T • Min 1/ sector; paired with Dual TRX module Slot for TRS interface Dual TRX module (2 HU) • 2 carrier unit • Either stand-alone or part of Sector module Slot for 0 -2 WBC’s 4 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 HU = 44. 4 mm

Main modules of Flexi EDGE BTS Dual. TRX needs to be paired either with DDU or RTC Dual duplexer module and Wideband combiner submodule Remote Tunable Combiner (optional, only for 900/1800) (optional, for all bands) DDU/WBC is a flexible high capacity combining method supporting both wideband baseband hopping choose antenna combining option RTC is low-loss, high capacity filter combiner supporting only baseband hopping Dual TRX module + System module 5 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 System extension module

Flexi EDGE - Cost Optimized Configuration (3+3+3) With Cost Optimized Configuration the amount of Dual TRX HW is optimized for cost Ø 3+3+3 -> 4+4+4 upgrade requires new DTRX and a site visit TRX for extension 6 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009

Flexi EDGE Upgrade Optimized Configuration 3+3+3 This TRX remotely activated for 4+4+4 With Upgrade Optimized Configuration the Dual TRXs are not split between sectors. This TRX remotely activated for 4+4+4 7 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 Ø 3+3+3 -> 4+4+4 upgrade can be done remotely by SW

Base station sites are the main energy consumers in a mobile network Other (controllers, core, OSS, etc. ) 10% Site energy consumption (heating/cooling, etc. ) 30% 90% BTS sites 70% BTS energy consumption 8 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009

Flexi EDGE Power Consumption Innovations • Disabling the PA bias when traffic goes down – Always enabled, on per timeslot basis – Decision to switch the bias on/off made dynamically by the BTS during start of each timeslot. BTS traffic load TS 0 TS 1 TS 2 TS 3 TS 4 TS 5 TS 6 TS 7 TS 0 TS 1 on on off off on on Copied to Ultra. Site BTS power consumption Traditional competitor BTS efficiency low efficiency high TRXs manufactured bias on Year 2007 onwards BTS+ Flexi bias off 9 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009

NSN Smart Site Solution Example 10 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009

Flexi WCDMA – Feeder less Solution Flexi WCDMA and Flexi EDGE Flexi WCDMA – System module mounted on tower leg Flexi WCDMA - Feeder less Solution. 11 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 Flexi WCDMA – RF module mounted on antenna pole

Flexi EDGE – Aluminum Feeder Flexi EDGE – System and RF Module mounted on tower leg 12 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 Aluminum Feeder – from the RF module to antenna system

Tubular Tower with Platform system for the equipments above the ground 13 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 Platform system for the equipments and antenna system

Solar System BTS traffic load TS 0 TS 1 TS 2 TS 3 TS 4 TS 5 TS 6 TS 7 TS 0 TS 1 on on off off on on BTS power consumption Traditional competitor BTS efficiency low efficiency high BTS+ Flexi bias on bias off Solar Panels 14 © Nokia Siemens Networks Battery House Flexi EDGE BTS Status / Ve. Ti / 10122009

Flexi EDGE BTS vs. Traditional BTS Designs Flexi offers a wide variety of benefits over traditional BTS designs: FLEXIBILITY IN SITE SELECTION Installation in wall, pole, Flexi cabinets, 19” racks, Talk OD EASY INSTALLATION Cabinet not mandatory, no cranes Modules carried by one man POWER CONSUMPTION -30% vs. Ultra. Site 2006 -15% vs. Ultra. Site 2007 -Real time PA shot down -DTRX complete shut down MULTIRADIO SITES Complements Flexi story Flexibility for multiradio installations DIMENSIONS 24 TRX in Ultra. Site 12 TRX volume 4+4+4 in height of 86 cm and 150 kg PRODUCTIZATION More value in sw, lisencing for: MHA support, TRX capacity, DPTRX, TRS i/f & funct. Performance -Matching Ultra. Site RF -Feederless Site for cost effective coverage 15 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. Ti / 10122009 TRANSMISSION ENHANCEMENTS Flexi optimized for tail and chain sites Flexi. Hub adds capacity and new interfaces

Thank You! 16 © Nokia Siemens Networks Flexi EDGE BTS Status / Ve. TI/

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