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| Mobile WiMAX (WiBro) Subscriber Station Tester : WMAX-2000 |
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DTVinteractive’s WMAX-2000, the cutting edge Mobile WiMAX Subscriber Test set, is an integrated development and conformance solution for Mobile WiMAX. WMAX-2000 makes mobile enterprises and manufacturers improve their test capability easily with reasonable cost. Users can make the realistic environment for Mobile WiMAX test due to the strong features like Mobile WiMAX PHY measurement and MAC test supported by WMAX-2000.
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DTVinteractive’s WMAX-2000, the cutting edge Mobile WiMAX Subscriber Test set, is an integrated development and conformance solution for Mobile WiMAX. WMAX-2000 makes mobile enterprises and manufacturers improve their test capability easily with reasonable cost. Users can make the realistic environment for Mobile WiMAX test due to the strong features like Mobile WiMAX PHY measurement and MAC test supported by WMAX-2000.
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IEEE802.16e OFDMA Mobile WiMAX Subscriber Station (SS) Tester
· Real-time Mobile WiMAX downlink (DL) signal modulation
· Real-time Mobile WiMAX uplink (UL) signal demodulation
· Base station emulation with MAC, protocol stack
· TDD synchronization (auto-switching) for UL and DL
· Settable IDs for cell, segment DL PUSC, DL FUSC, UL PUSC
* IEEE802.16e Wave 2 (MIMO, Beam-formming) will be added soon.
Mobile WiMAX radio (PHY) Measurements
SS receiver (DL) test
· RF stimulation in base-station emulation mode, or with SS set to receive only.
· Settable frequency, power and modulation schemes
· Additive White Gaussian Noise (AWGN) generator
· Reporting of PER, RSSI, CINR, TxPower (if available on SS UL)
· Receiver sensitivity testing using ping or user datagram protocol (UDP) with variable modulation format, coding and payload size
SS transmitter (UL) test
· RF analysis in base-station emulation mode, or with SS set to transmit only.
· Spectrum measurements with adjustable frequency, span, channel bandwidth, and resolution bandwidth
· Modulation measurement displaying OFDM I/Q constellation and EVM (BPSK, QPSK, 16QAM)
· Power versus time
· Sub-carrier power flatness
Mobile WiMAX MAC Test Items
· Network entry procedure, including ranging, registration, service flow establishment
· SS MAC layer verification and performance test
· Power control, power adjust
· MAP scheduling flexibility
· Neighbor cell advertisement
Mobile WiMAX RF Test Case Coverage
The WMAX-3000 can be used as part of a pre-conformance test system and supports the performance of the following wave1
RF measurements, as referenced in the Mobile WiMAX MRCT v1.0 Base station emulation with MAC, protocol stack
· MS-01.1: MS receiver maximum tolerable signal
· MS-02.1: MS receiver preamble
· MS-03.1: MS receiver cyclic prefix
· MS-04.1: MS receiver RSSI measurements
· MS-05.1: MS receiver physical CINR measurements
· MS-07.1: MS receiver adjacent and non-adjacent channel selectivity
· MS-08.1: MS receiver maximum input signal
· MS-09.1: MS receiver sensitivity
· MS-10a.1: MS transmit HARQ
· MS-10b.1: MS receive HARQ
· MS-11.1: MS receiver PHY support for handover
· MS-12.1: MS transmitter modulation and coding, cyclic prefix, and frame duration timing
· MS-13.1: MS transmit ranging support
· MS-14.1: MS transmitter modulation and coding
· MS-15.1: MS transmit power dynamic range and relative step accuracy
· MS-16.1: MS transmit closed and open loop power control
· MS-17.1: MS transmitter spectral flatness
· MS-18.1: MS transmitter relative constellation error
· MS-19.1: MS transmitter synchronization
· MS-20.1: MS transmit/receive switching gap
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Signal Analyzer Specifications
Frequency
· Frequency range : 9 KHz to 3 GHz (Expandable Frequency Band)
· Frequency resolution : 1 Hz
· Frequency accuracy : Temperature ±0.1 ppm, Aging per year ±0.3 ppm
· Modulation Analysis Bandwidth : 10 MHz
Amplitude
· Power range : -70 to +27 dBm
· Absolute Measurement : ±0.5 dB
· Residual Response : -85 dBm with RF input terminated into 50 ohms
· Spurious Responses : Typically -55dBc (excluding IF image)
Signal Generator Specifications
Frequency
· Frequency range : 9 KHz to 3 GHz (Expandable Frequency Band)
· Frequency resolution : 1 Hz
· Frequency accuracy : Temperature ±0.1 ppm, Aging per year ±0.3 ppm
Amplitude
· CW power range : -110 to +0 dBm
· CW power accuracy : Up to 2.25 GHz
>-78 dBm, <0.6 dB (typically 0.3 dB)
>-93 dBm, <0.75 dB (typically 0.5 dB)
>-110 dBm, ±0.8 dB (typically 0.5 dB)
<-110 dBm, <1.0 dB
Above 2.25 GHz
>-60 dBm, <0.6 dB (typically 0.3 dB)
>-75 dBm, <0.75 dB
· Resolution : ±0.1 dB
Performance
· Phase noise at 3GHz : Typically -110 dBc/Hz at 20 KHz Offset
· Residual (EVM) : Typically 3% EVM
· Harmonics : 2nd harmonic, -30 dBc, typically -40 dBc
3rd harmonic, -30 dBc, typically -50 dBc
· Sub-harmonics : ≤ -30 dBc, typically -50 dBc
· Non-harmonic spurious : ≤ -55 dBc from >10 KHz offset typically
≤ -65 dBc for CW signals typically
General Specifications
· RF input/output impedance : N female, 50 ohm
· RF input /output VSWR : < 1.5:1
· Maximum safe input level : +30 dBm
· Interfaces : USB, LAN
· Frequency reference stability : Temperature ±0.1 ppm
· Frequency reference aging rate : Aging per year ±0.3 ppm
· Power requirement : 280W Max
· Size (w x d x h) : 430 mm x 222 mm x 467 mm
· Weight : 20kg
· Operating temperature : 5 to 50°C
· Storage temperature : -40 to 71°C
· Storage humidity : 5 to 95%
· Operating altitude : Up to 2000 m
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Integrated Test Solution
