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COMMSCOPE activeantenna

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Active Antenna Systems

Leader in active antennas

World Class Antennas

World Class Transceivers Amplifiers, Filters, Linearization

World Class Active Antennas

CommScope is a world leader in antenna designs Pioneering active antennas for over 10 years Joint development with Ubidyne since 2007 CommScope has developed industry-leading technology in remote radioheads, filters, amplifiers, and wideband linearization Combined expertise positions CommScope as a global leader in active antennasPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Active Antenna Design ChallengesAmplifier DesignEfficiency, Bandwidth

Filter DesignSize, Insertion Loss

Mechanical DesignInterconnects, Thermal

Antenna Design Beam Patterns, Active/Passive Combinations, Graceful Degradation

All are CommScope core competenciesPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Wireless Network EvolutionThe PastConventional BTSPassive Antennas

The PresentRemote Radio HeadPassive Antennas

The FutureActive Antennas

RET

COAX Jumpers

RET

COAX Cables Base Station Server

BTS(Channel Cards, Radios, Amplifiers, Filters)

Masthead Amplifiers Base Station Server

Remote Radio Head

Channel Cards

Coaxial Cable

Channel Cards

Minimizing the hardware footprint is a key benefit to active antenna designPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Pioneering Technology

Antenna Embedded Radio

Extremely Simple, Digital Architecture RRH functionality integrated and distributed into the antenna Transceiver on each element redundant architecture Digital IF from a central DSP unit, C-Hub Future-proof, multi-standard, soft-configurable Standard sized antenna fiber feed from the base band radio Improved MTBF and network reliability Redundant radio architecture Distributed low-power transceivers Custom chip integration Passive cooling

Direct control of signals to each radiator enables digital elevation beam control at baseband capacity improvementsPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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A Self-Healing Response To A FailureNormal Pattern5tiltE1 E1 E2 E2

Single Failure Before Compensation5tilt-5dB

Single Failure After Compensation2tiltE1 E1

-5dB

-5dB

-10dB

E1-10dB E1

-10dB

-15dB

-15dBE2 E2 E2 FAILED ELEMENT

-15dB

-20dB

-20dB E2FAILED ELEMENT

-20dB

4dB

........

........

En En

En En

........En En

Self-Healing!First upper side lobe suppressed automatically Tilt adjusted to maintain cell coverage

Unmatched Service Life Due To Built-In Redundancy And Unique Pattern Compensation CapabilityPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Dynamic Electronic Pattern ControlTilt by Carrier- Vertical Sectorization Tx / Rx Tilt Optimization

Rx Tx

Multiple beams per carrier enables vertical sub-sectorization for capacity enhancement

Significant capacity improvement - Improves handset battery life

Tilt by Standard Air Interface

Beam Shape Control

Rx Tx

#1

#2

#3

Pattern A

Pattern B

Tilt per standard (GSM/UMTS/LTE) - Simplifies RAN sharing

Unique capability to optimize signal patterns of each carrier of each sector for Maximum Network PerformancePRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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High-band Active Antenna Currently in Development304 mm (11.8 in)

Radio modules are field replaceable Antenna array elements identical to current Andrew passive element arrays Multi-standard 1800, 1900, AWS and 2600 MHz models in the roadmap

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

1300 mm (51.2 in )

196 mm (6.9 in)

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Active-Passive Antennas in Development Passive and Active antenna arrays in a dual-column arrangementHigh Band Passive Antenna ArrayCPRI/ORI

Design borrows from CommScopes industry leading antenna arrays Broadband elements to cover low-band or high-band applications

High Band Active Antenna Array

Power Connector

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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700 MHz Active Antenna General Specifications 1.8 m (6 ft) antenna 12 elevation beamwidth 65 azimuth beamwidth 16.5 dBi gain 15 W RF output power per array (6 x 2.5 W) 30 W RF output power total (2 x 15 W) Single 10 MHz LTE carrier 6 dual-polarized radiating elements with 12 total Tx/Rx paths700 MHz Active Antenna LTE Trial 1.8 m (6 ft)

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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700 MHz Active Antenna Pattern Measurements Azimuth and elevation patterns recorded in May, 2011 Elevation beam down-tilting characterization completed for 0to 14range Elevation pattern shaping confirmed with excellent agreement to theoretical patterns Pattern compensation demonstrated for simulated transceiver failures

700 MHz Active Antenna in Anechoic ChamberPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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700 MHz Active Antenna Azimuth PatternExcellent cross-polarization patterns

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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700 MHz Active Antenna Elevation PatternExcellent elevation patterns and upper side-lobe performance with down tilt

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Environmental Verification Testing: Thermal Characterization and Burn-In

48 hour full power burn-in testingPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

High temperature (50C) thermal testing14

EMC Testing Radiated emissions compliance demonstrated for CISPR22 Class B for 10 m (32.8 ft) distance: 30 to 230 MHz (30 dBV per m) 230 to 1000 MHz (37 dBV per m)

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Field Trial Installation

700 MHz Active AntennaPRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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Active Antenna Product Roadmap

1st Gen

2nd Gen

3rd Gen Active Active

4th Gen

Active Arrays

Active Passive

& Active-ActivePassive

Multi-column beamforming

2011

2012

2013

2014

2015

201617

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

Thank You

PRIVATE AND CONFIDENTIAL 2011 CommScope, Inc

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