Cost effective WiMAX Signal Analysis Transmit power Spectral mask

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Cost effective WiMAX Signal Analysis Transmit power Spectral mask

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WiMAX Measurement Suite
Cost effective WiMAX Signal Analysis
Transmit power Spectral mask Occupied bandwidth (all, data only, pilots only) Frequency error Symbol/chip clock frequency error Carrier leakage Spectral flatness
Introduction Aeroflex's approach WiMAX test flexible, modular solution comprising modules software components that provide high performance vector signal analysis and/or vector signal generation single integrated solution. WiMAX measurement suite provides analysis component taking digitized sample data from Aeroflex 3030 Series Digitizer using perform vector signal analysis WiMAX OFDMA signals. Power, modulation spectral parameters characterized accordance with requirements IEEE 802.16e (2005) WiBro.
WiMAX measurement suite provides easy interfaces both manual operation within Studio application programming measurement suite comprises library high level functions which combine digitizer hardware control together with analysis primative functions intuitive application specific manner. This eliminates requirement understand level digitizer commands making programming simpler. same high level measurement functions then used provide graphical user interface plug-in component Studio application software. Studio presents WiMAX measurement results range easy understand graphical formats that enable user clearly what going help solve problems more quickly. Applications WiMAX measurement suite designed based test systems used development manufacturing. complete component/subsystem characterization, WiMAX measurement suite complemented IQCreator, waveform creation software application generating complex modulation including IEEE 802.16 OFDM OFDMA signals compatible with 3020 Series digital signal generator module.
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Highlights Configuration each Zone burst within sub-frame made easily configurable using point click/drag drop. Color used differentiate between modulation types.
Subcarrier With Marker Inspection Spectral measurements displayed checked against pre-set user defined spectral mask. Failures indicated together with frequency level point worst failure. case signals passing spectral mask, frequency level indicate points closest proximity mask.
WMaxZoneDef1 WiMAX measurement plug-in Studio enables user view each measurement parameter separately collectively reconfigurable panels. user provided complete freedom configure arrange measurement result panels Windowsdesktop.
Spectral Mask Spectral flatness results provide pass/fail indication independently each portion mask check relative level between successive sub-carriers well providing trace data with markers.
WMan Measurements Complex results viewed function sub-carrier symbol each burst multi-burst frame. Markers used link between sub-carrier sub-carrier symbol views. Different colors used effectively differentiate between composite sub-carrier individual values each symbol particular sub-carrier. Spectral Flatness Example Code measurement suite supplied with comprehensive help including useful example source code user development measurement applications. Examples supplied variety ADEs (applications development environments) including Visual Basic (VB6) C/C++.
SPECIFICATION
specifications accuracy range relate performance when used conjunction with 3030 Series digitizer.
Burst Type: Normal data Modulation(1) BPSK (pilots), QPSK, 16QAM, 64QAM Number symbols(1) where number symbols zone Number sub-channels(1) where number subchannels zone zone type size Symbol offset(1,2) where number symbols zone Sub-channel offset(1,2) where number subchannels zone zone type size
ACQUISITION SETUP
Standards Supported IEEE 802.16e (2005) OFDMA
FRAME SETUP
Frame Length 2.5, 4.0, 5.0, 8.0, 10.0, 12.5, Nominal Bandwidth 1.25, 3.5, 4.375, 8.75, 17.5, 28(1)
each burst multi-burst zone overlapping
Supported 3030A, 3030C, 3035, 3035C
size 128, 512, 1024, 2048 Guard Period 1/16, 1/32 Subframes (link direction) Uplink, Downlink Downlink preamble Index Uplink cell
MEASUREMENT SET-UP
Channel Equalisation Methods: equalisation); channel estimation sequence only; channel estimation sequence pilots Channel estimation Sequence only Downlink using preamble Uplink N/A, equalization Channel estimation sequence pilots Downlink using preamble pilot sub-carriers data symbols sub-frame Uplink Pilot sub-carriers data symbols sub-frame
ZONE SETUP
Type PUSC Number Zones Downlink: Uplink: Length maxi. symbol count frame length guard period Offset max. symbol count frame length guard period Permutation Base Downlink: Uplink:
PILOT TRACKING
Phase Tracking On/Off Amplitude Tracking On/Off Symbol Time Tracking On/Off
BURST POWER MEASUREMENTS
TRANSMIT POWER Peak power measured single subframe Indication power time trace data Accuracy 303x level accuracy specification
BURST
Burst type Downlink, Uplink Uplink PUSC: Normal data Downlink PUSC: Normal data Burst edit operations Add, delete Burst definition Single/multiple Modulation: QPSK, 16QAM, 64QAM
Bandwidth containing total transmitted spectrum Indication Accuracy Typically <100
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SPECTRAL MASK
spectral density transmitted signal should within spectral mask. mask frequency aligned maximum spectrum density. Mask Type MHz, MHz, user defined Measurement Measurement Range Indication Global Pass Fail worst case level value corresponding frequency relative mask reported. Traces power spectrum mask values
FREQUENCY TOLERANCE
Lock Range carrier spacing) ±20% Indication Accuracy reference frequency
CENTRE FREQUENCY LEAKAGE CARRIER SUPPRESSION
Indication
SYMBOL CHIP CLOCK TOLERANCE
Range Indication clock error time Accuracy reference frequency
MODULATION ACCURACY
error vector magnitude (EVM) magnitude vector decision point measured relative ideal constellation point. (residual constellation error) (error vector mangnitude) Composite (rms), (all sub-carriers symbols within zone) (rms) single burst within zone (rms) single sub-carrier (rms) data sub-carriers (within burst zone) (rms) specific symbol specific sub-carrier within burst (rms) pilot sub-carriers (CPE-common pliot error) Indication %/dB Traces (rms) sub-carrier specific burst symbols (rms) symbol specific burst sub-carriers Constellation specific burst sub-carriers Accuracy <-40 residual
SPECTRAL FLATNESS
Indication Mask Pass/Fail Mask Upper Pass/Fail Mask Lower Pass/Fail Adjacent sub-carrier Pass/Fail Trace values each sub-carrier
ORDERING
This application designed conjunction with 3030 Series Digitizer. purchased either with digitizer time order purchased upgrade. When purchased with 3030, order When purchased upgrade, then order 3030 option RTROPT104/3030
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always seeking improve products, information this document gives only general indication product capacity, performance suitability, none which shall form part contract. reserve right make design changes without notice. trademarks acknowledged. Parent company Aeroflex, Inc. ©Aeroflex 2006.
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Part 46891/283, Issue 09/07

Cost effective WiMAX Signal Analysis Transmit power Spectral mask

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