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SOLiD New-Interference Cancellation Repeater (SICR)

Product Specifications

SOLiD Interference Cancellation Repeater (SICR) is a digitalized on-channel RF repeater specially

designed to provide a stable outdoor coverage enhancement by eliminating feedback signals.Interference between antennas such as fast-fading echoes caused by fast-moving vehicles iseffectively cancelled in real-time to prevent oscillations.

SICR is the latest release in WCDMA ICS. By incorporating state-of-the-art digital signal processingand amplifier technologies, SOLiD N-ICS is company’s commitment to the industry’s requirement ofLighter, Smaller & Low Power product. It provides industry-lowest power consumption in the smallestform factor. The form factor of N-ICS is paralleled to competitions’  low power product having one-quarter power of N-ICS and allows one-man-lift.

Key Features & Customer Benefits

Key Features Customer Benefits

Low Power Consumption: < 240 Watt

  Lower Utility Fee during operation

: OPEX saving  Lower Power Back-up capacity

: CAPEX & OPEX saving

Small Form Factor: 300 x 380 x 244 mm, < 25Kg

  Less leasing space: OPEX saving

  One-man-lift capable, No need for LiftMachine: CAPEX saving by less installation cost

Digital Interference Cancellation

  Guaranteed high system gain: CAPEX saving by providing more coverage

  Stable & Robust operation not necessarilydamaged by changes in workingenvironment: OPEX saving by less maintenance cost

Noise Figure: ≤  5dB @ All Gain Range Guaranteed and steady impact on macro network

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even during drastic changes in workingenvironment

 Auto Install GuideVery intuitive guide allows “click & install” : CAPEX reduction by saving installation time

Web-based GUI Easy Maintenance

Single OMC for all ICS productsNo need for new OMC installation & training: CAPEX & OPEX saving by saving staff ’s time &effort

DC Battery Back-up option: -24V or -48V Flexibility in installation & operation

Software Selectable Operation Frequency usingGUI

1: Selection of 3 contiguous channels within

UMTS band I (60MHz) by GUI

Easier procurement process in that one productworks for all operations

1. Product Outlook and Physical Dimensions 

Fig.1. N-ICS Product Outlook

2. System Block Diagram

SOLiD N-ICS system block diagram and the functionalities of each block are described in thissection.

SOLiD N-ICS consists of five key blocks of Downlink RF path, Uplink RF path, Power Supply, ICM(Interference Cancellation Module) and modem for wireless remote management as shown in Fig.2.These blocks are designed with state-of-the-art technologies to provide the best quality andperformance.

Donor and Service antenna port is for connecting Donor and Service antenna and is speciallydesigned to secure proper level of isolation to allow maximum gain and output power. Donor &Service antenna in this block diagram is for demonstration purpose only and is not actually included inproduct package.

Donor and Service Duplexer is a filter that separates signal from each antenna into downlink anduplink path for bidirectional operation. It also combines uplink and downlink signals to be transmittedthrough antennas.

1 Valid only for selected products 

Weight: < 25KgDimension (W x H x D, mm):

300 x 380 x 244

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Up/Downlink LNA is the low noise amplifier at the first stage of each link which usually is integratedinto the down converter module. Up/Downlink Converter Module is shown as DL_DN, DL_UP, UL_DNand UL_UP performs frequency conversion between Radio Frequency (RF) and IntermediateFrequency (IF) signals. IF signal is required for digital processing for interference cancellation.

Fig.2. N-ICS Block Diagram

Interference Cancellation Model (ICM) has three sub-blocks of Analog to Digital Converter (ADC),

Digital to Analog Converter (DAC) and Interference Cancellation Logic. Downlink and uplink has itsown DAC & ADC respectively. ADC converts IF signal to IQ-baseband signal to extract phase andamplitude information of signal, while DAC revert digital IQ-baseband signal to IF signal which is freeof interference. Interference Cancellation Logic Analyzes variation of amplitude & phase for feedbacksignals to perform interference signal cancellation.

Power Supply Unit performs AC to DC conversion to generate and distribute DC powers to eachmodules and components.

Ethernet and Local Monitoring Port provides interfaces for local craft and Ethernet for WEB GUI.

NCU Modem is wireless modem for remote management by communicating with OMC service ineither GSM or UMTS network.

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3. Product Specifications

N-ICS product specification is presented throughout this section.

3.1. Electrical Characteristics

Items Specifications Remarks

WorkingFrequency Range

Downlink 2110 - 2170MHz, 15MHz Max.

Uplink 1920 - 1980MHz, 15MHz Max.

Input LevelRequirement

Downlink -70 ~ -37dBm / 3CHs @ Antenna port

Uplink ≤  -50dBm / 3CHs @ Antenna port

Maximum SystemGain

Downlink 105 dB 

Uplink 100 dB 

Maximum OutputPower

Downlink +43dBm / 3CHs @ Antenna port

Uplink +27dBm / 3CHs @ Antenna port

 AGC (Auto Gain Control) 30dB @ 0.5dB step

System Group Delay < 8.5㎲ 

Gain Flatness < 3.0 dB per UMTS Channel

VSWR ≤1: 1.5

Input & Output Impedance Nominal 50 ohm

Noise Figure < 5dB@ All gain range Min ~ Max Gain

EVM < 12.5% @ Max power, GM = -23 GM=isolation-gainwith direct feedbackinput conditionPCDE

< -35dB @ 3GPP Test Model 1,GM = -23

Tx/Rx Isolation > 120dB

 ALCRDownlink ≥45dBc@±5MHz, ≥50dBc@±10MHz

Uplink ≥33dBc@±5MHz, ≥43dBc@±10MHz

 ACRRDownlink ≥33dBc@±5MHz,10MHz

Uplink ≥20dBc@±5MHz,10MHz

Spurious Emissions 3GPP TS 25.106 compliant. See Note1

Input Inter-modulation 3GPP TS 25.106 compliant. See Note2

Out of Band Gain 3GPP TS 15.106 compliant. See Note3

3.2. Cancellation Performance

Items Specifications Remarks

Cancellation Signal Type UMTS Signal

Direct Feedback38dB Cancellation: EVM <12.5% @ Max.Power, GM = -23

GM=isolation-gain

Multi-path Feedback TBD Provided underNDADoppler Feedback TBD

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3.3. Mechanical & Environmental Specification

Items Specifications Remarks

Mechanical

Specification

W x H x D (mm) 300 x 380 x 244 (mm)

Weight < 25Kg

RF Connector N-Type Female

Operating Temperature -30 ~ +50C

Operating Humidity 0 ~ 95%

IP Rating IP 65

3.4. Power Supply

Items Specifications Remarks

 AC PowerSupply

Input AC 100~260V, 50/60Hz

Consumption < 240W

DC Battery Backup-48V DC Option: Must be

specified beforeorder processing+24V DC

3.5. LED Indicators on GUI

The color of LED indicators in N-ICS is GREEN for normal operation and RED for alarm andshutdown status. Following alarms are provided:

  Door Alarm  Shutdown Alarm  ICM/LNA/HPA Fail Alarm  OverTemp Alatm  OverPower Alarm  PLL Alarm  VSWR Alarm  Oscillation Alarm

Note1. Spurious Emission

BandMaximum

level

Measurement

Bandwidth

Note

9kHz – 150kHz -36dBm 1 kHz

Bandwidth as in ITU-RRecommendation SM.329[4],s4.1

150kHz – 30MHz -36dBm 10 kHz

30MHz – 1GHz -36dBm 100 kHz

1GHz – Flow-10MHz -30dBm 1 MHz

Flow-10MHz – high+10MHz

-15dBm 1 MHzLimit based on ITU-RRecommendation SM.329[4],s4.3and Annex 7

Fhigh+10MHz – 12.75GHz

-30dBm 1 MHz

Bandwidth as in ITU-RRecommendation SM.329[4],s4.1Upper frequency as in ITU-RSM.329[4], s2.5 table 1

Flow : The lowest down-or up-link frequency of the operating bandFhigh : The highest down-or up-link frequency of the operating band

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Note2. Input Inter-modulation

The power in the pass band shall not be increased by more than 10 dB at the output of the repeaterwhen measured in the centre of the pass band, compared to the level obtained without interferingsignals applied.

BandInterfering Signal

FrequencyInterfering Signal

LevelsType of signals

Downlink -7.5MHz,-3.5MHz -43dBm/tone 2 CW carriers

Downlink +7.5MHz,+3.5MHz -43dBm/tone 2 CW carriers

Uplink -7.5MHz,-3.5MHz -43dBm/tone 2 CW carriers

Uplink +7.5MHz,+3.5MHz -43dBm/tone 2 CW carriers

Note3. Out of Band Gain

Frequency offset from the carrier frequency,f_offset

Maximum Gain

-2,7  f_offset < 3,5 MHz 60dB

3,5  f_offset < 7,5 MHz 45dB

7,5  f_offset < 12,5 MHz 45dB

12,5 MHz  f_offset 35dB

4. Regulatory Conformity

N-ICS conforms to CE Directive 93/68/EEC, RoHS Directive 2002/95/EC and WEEE Directive2002/96/EC.

  CE Directive 93/68/EEC

Items ETSI

R&TTE

EMC

EN 301 489-1 Common Technical Requirements

EN 301 489-23Specific conditions for IMT-2000 CDMA Direct Spread (UTRA)Base Station (BS) radio, repeater and ancillary equipment

RF

EN 301 908-1Harmonized standard for IMT-2000, introduction and commonrequirements

EN 301 908-11Harmonized EN for IMT-2000, CDMA Direct Spread (UTRAFDD) (Repeaters)

LVD EN 60950-1 ITE

  RoHS Directive 2002/95/EC: The Restriction of the use of certain Hazardous Substances inelectrical and electronic equipment

  WEEE Directive 2002/96/EC: Waste Electrical and Electronic equipment 

5. Standard References

  3GPP Base Station technical specification (TS.25.104)  3GPP Repeater technical specification (TS.25.106)  3GPP Repeater conformance testing (TS.25.143)

  Generic unwanted emission characteristics of mobile stations using the terrestrial radio

interfaces of IMT-2000 (ITU-R 39/8) 

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6. Revision History

Version Issue Date Section Revision Changes Remark

V 1.0 2011/07/25 - First release