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


802.16d BS & SS Transmitter Testing


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.



Standards Supported

IEEE 802.16-2004


1.75/3/3.5/5.5/7/10/20 MHz

Physical layer


Analysis Modes


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


User Configurable Acquisition rate


Supported File Formats

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


IQ plots
Power Spectrum Plot
Transmit Power Plot
Channel Frequency Response
Spectral Flatness
Constellation Diagram
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
Print Data
IQ Plot of the full Frame

Figure 1
EVM/Symbol Plot of the Downlink Frame

Figure 2

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