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SeaMAX Fixed IQ Analyzer IEEE 802.16 OFDM PHY BS & SS Signal Analysis Solution

 

802.16d BS & SS Transmitter Testing

Overview

SeaMAX IQ Analyzer Pro is IEEE 802.16-2004 standard specific measurement, testing and analysis solution for WiMAX Base Station (BS) and Subscriber station (SS) that follow WirelessMAN-OFDM physical layer specifications.

SeaMAX IQ Analyzer lets you set up the test bench for the complete analysis of BS and SS data in TDD and H-FDD mode. SeaMAX IQ Analyzer offers an extensive range of preprogrammed real time and offline, analysis and measurement features. The import function loads the IQ signal files from standard file (.txt) format. The analyzer lets you save the decoded data, visualize and analyze the WiMAX transmitter parameters including effect of impairments like fading channels, frequency offsets, IQ mismatch on the downloaded RF signal. The Analyzer enables decoding of the broadcast burst with/with out MAC Header.

SeaMAX Fixed Analyzer Pro provides the analysis of Full Frame data (BS and SSs combined), DL subframe data (BS), and/or UL subframe data (SSs).

Measurements set include Power Spectrum, EVM, Constellation diagram, CCDF, I/Q Plot, Channel Response, spectral flatness with extensive graphical capabilities.

SeaMax IQ Analyzer helps RF and Baseband engineers to analyze and troubleshoot WiMAX signals in order to verify their transmitter's performance and standard-compliance.
 

Features

 

Standards Supported

   
IEEE 802.16-2004
   

Bandwidth

   
1.75/3/3.5/5.5/7/10/20 MHz
   

Physical layer

   
WirelessMAN-OFDM
   

Analysis Modes

   
Online
Offline
   

Modulation Formats Supported

   
BPSK1/2, QPSK1/2, QPSK3/4, 16QAM 1/2,
16QAM 3/4, 64QAM 2/3 and 64QAM 3/4.
   

RF Settings

   
Configure Hardware Settings1
Configure Center Frequency
Configure Frequency Span
Configure Reference Level
Configure Trigger Level
Configure Time Duration
   

Saving Options

   
Save acquired/downloaded data in Hex format
Save acquired/downloaded data in Binary format
   

File Load Options

   
Combined IQ text files
Individual I and Q text files
   

Duplexing Mode

   
TDD and H-FDD
 

User Configurable Acquisition rate

   

Supported File Formats

   
BS IQ .txt file
SS IQ .txt file
BS+SS combined IQ .txt file
   

Measurements

   
IQ plots
Power Spectrum Plot
Transmit Power Plot
CCDF
Channel Frequency Response
Spectral Flatness
Constellation Diagram
EVM/Subcarriers
EVM/Symbols
FCH
Data Bits
   

Displayed Parameters

   
Cyclic Prefix
Frequency Offset
Total OFDM Symbols
EVM Measurements
EVM (rms % and dB)
Pilot EVM (rms % and dB)
Burst Rate
Burst length
Number of Subscriber’s for contention
PHY CRC LED Indicator
   

Error indication

   
Indicates PHY CRC error
   

Graphical Utilities

   
User-defined plot color and style of lines
Zoom
Markers
Print Data
 
IQ Plot of the full Frame

Figure 1
EVM/Symbol Plot of the Downlink Frame

Figure 2
 

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