Spirent SR5500 Wireless Channel Emulator

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The SR5500 Wireless Channel Emulator is the most complete and efficient solution available for accurately testing SISO and 2x2 MIMO wireless receivers. The system can be configured to manage intricate MIMO-OTA testing (via simplified graphical controls) and to perform Virtual Drive Testing (VDT) to reduce the cost and time burdens associated with drive testing.

The SR5500 helps isolate performance issues early in the development and design verification cycle, accelerating time to market and minimizing post-deployment issues.

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Features

The SR5500 emulates wideband radio channel characteristics such as time-varying multi-path delay spread, fast fading, shadow fading and channel loss for advanced receiver implementations using diversity, beamforming and MIMO
Optional configurations let you stick to your budget without risk. Systems are always fully upgradeable to our most powerful modular configuration
Spirent’s exclusive Fading Lab lets you create a repeatable RF environment from data sets, whether captured on channel-sounding equipment or generated in software
An advanced fading engine ensures accurate testing of sophisticated technologies like E-UTRA (LTE), HSPA, HSPA+, EV-DO, WLAN and WiMAX
Spirent’s exclusive DEE gives you the flexibility to quickly and easily turn simple spreadsheets into complex RF scenarios ready to use for testing

Specifications

RF Inputs	2 (inter-unit synchronization allows up to 8)
RF Outputs	2 (inter-unit synchronization allows up to 8)
Digital Channels	2 per unit (expandable to 8 with MIMO Option)
RF Configurations	SISO, SIMO, MISO, MIMO (2x2, 2x4, 4x2, 4x4, 8x2 uni- or bi-directional), and Beamforming
Bandwidth	26 MHz
RF Input	Frequency Range: 400 – 2700 MHz (w/ 6-GHz-EX option): 3300 – 3850 MHz, 4100 – 6000 MHz Level Range: +5 to -32 dBm @ 400 to 2700 MHz (w/ 6-GHz-EX option): -5 to -32 dBm @ 3300 to 3850 MHz (w/ 6-GHz-EX option): -5 to -32 dBm @ 4100 to 6000 MHz Level Resolution: 0.1 dB Damage Level: > +20 dBm
Input Power Meter	Continuous mode RF Burst-triggering mode for gated signals Settable duty cycle mode
RF Output level	Range: -30 to -110 dBm @ 400 to 2700 MHz (w/ 6-GHz-EX option): -35 to -110 dBm @ 3300 to 3850 MHz (w/ 6-GHz-EX option): -40 to -80 dBm @ 4100 to 6000 MHz Resolution: 0.1 dB Accuracy: +/-1 dB
Residual EVM	Better than -36 dB typical per sub-carrier, measured at -50 dBm output power; actual value depends upon signal format, symbol rate, etc.
RF Port VSWR	Better than 1.5:1
Independent Paths	up to 24 paths per channel (384 total paths)
Relative Path Delay	0 – 2000 µs, 0.1 ns resolution
Relative Path Loss	0 – 32 dB
Dynamic Power Delay Profiles	Birth-death, Sliding (moving propagation) Supports dynamic change of path number, relative power and delay High-Speed Train (HST) profiles
Dynamic Environment Emulation	Controllable Parameters State duration, channel output level, AWGN on/off, C/N, path on/off, relative power and delay, LOS AoA, K factor, frequency shift, Doppler velocity, MIMO branch phase and power imbalance. Channel Model Update Rate 100 times per second Mode MIMO, dual and single channel mode; RX and TX diversity modes Triggering Triggered Play, Free Run
Standards-Based Models	LTE, WiMAX, UMTS, CDMA2000®, WLAN, GSM, and pre-standard models available from Customer Service Center
Other Models	SCM, SCME, WINNER and WINNER-II models
Fading Engine Type	Real-time generation of fading environment
Fading	Types: Rayleigh, Rician, freq shift, phase shift Fading Velocity: 0.1 to 2398.33 km/h @ 900 MHz; Resolution of 0.1 km/h Repetition Interval: > 24 hours Relative Phase: 0 – 360 degrees, 0.1 degree resolution Rician K factor: -30 to +30 dB Level Crossing Rate (LCR) Accuracy: < * 2.5% deviation from theoretical LCR curve of the simulated vehicle velocity Fading Power Spectrum: Classical 6 dB, Flat, Classical 3 dB, Rounded, Rounded 12 dB Correlation: Envelope and Component; Complex correlation is included with MIMO option
Log-Normal Fading	Fading Rate: 0.00 to 20.00 Hz Standard Deviation: 0 to 12 dB
MIMO Option	Modes Baseline 2x2 Modularly expandable to uni/bi-directional 2x4, 4x2, 4x4
AWGN - option	C/N Ratio: -30 to +32 dB Accuracy: +/-0.1 dB for -20 to 15 dB ratios Bandwidth: 26, 13, 6.5, 3.25, 1.625 MHz Fidelity: Meets or exceeds all 3GPP, 3GPP2, WLAN, WiMAX, and LTE requirements Sequence Duration: > 2 hours Settable Modes: C/N, C/No, Eb/No
Fading Data Playback - option	Playback data can be collected (via a channel sounder) or synthesized in software
Control Interface	Ethernet or GPIB
Other	10 MHz internal reference accuracy: 1 ppm, can be locked to external reference AC Power: 250 watts typical steady state, 45 watt maximum additional for 6 GHz Option Dimensions: 19-inch rack mountable Height/Width/Depth 8.75”/16.88”/21” (22.22 cm/42.88 cm/53.34 cm) Weight: 65 pounds (29.5 kg)