Mobile phones must guarantee proper functioning in non- ideal real-world environments, such as a lost or damaged antenna, usage in a tunnel or locker, being held close to the body or in a pocket surrounded by coins, etc. Each of these scenarios can be regarded as non-ideal from an RF standpoint, meaning non-50ohm. We are able to use a single tuner to vary the VSWR magnitude and phase seen by the antenna port of the phone and test its performance in transmit and receive mode.

The Maury Automated Mobile Test System Software (AMTS v3) is a standalone application designed specifically to automate the testing of mobile phones in transmit and receive modes, for output power and sensitivity respectively, as a function of VSWR magnitude and phase.

What AMTSv3 Can Do For You

AMTSv3 offers a simple, fast and cost-effective solution tailored for mobile phone testing outside of the 50ohm environment. This solution automates mobile phone testing in TX/RX modes over a multitude of channels/ frequencies, battery voltages and power levels. It works by combining:

Maury's MT910 Series Automated Mobile Testing System software to

control the system;
de-embed VSWR and power levels to DUT reference;
control variable DC supply to mimic battery voltages; and
automate measurements;
a Maury MT98x Automated Tuner, which sets non-50ohm impedance; and
Agilent's or Rohde & Schwarz's Wireless Communications Test Set, which (acting as a base station) sets active channel and power levels, and measures power and bit-error-rate.

By analyzing the test results obtained using this solution you can learn:

What level of antenna mismatch is acceptable, based on real-life testing against your VSWR requirements
If your mobile phone meets the minimum performance requirements under predefined VSWR and voltage conditions
If your phone's performance degrades after a large VSWR sweep plan
If thermal stability issues exist
If your phone's design is acceptable as is, or if some components need to be redesigned
If specific performance problems result from batch manufacturing

These are just a few of the ways you can use Maury MT910 AMTS software and ATS tuners to extend your mobile phone testing capability beyond the 50ohm environment.

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Available Models

MT910*	Mobile Phone Tester
MT910A	GSM Standard
MT910B	WCDMA Standard
MT910C	CDMA2000 Standard
MT910D	LTE Standard
MT910E	TD-SCDMA Standard

* MT910 requires at least one standard (MT910A, MT910B, MT910C, MT910D or MT910E).

MT910A: GSM Standard

Adds GSM Standard to MT910 Mobile Phone Tester
Supported Technology:	GSM 850,900,1800,1900
Measurements Supported:	TX power - Transmit Power
	Modulation - Frequency Error & Phase Error (RMS & PEAK)
	Spectrum - due to Modulation [23 frequencies] - due to Switching [9 frequencies]
	Sensitivity (search algorithm w/adjustable start level) - 2.439% RBER

MT910B: WCDMA Standard

Adds WCDMA Standard to MT910 Mobile Phone Tester
Supported Technology:	WCDMA Bands I, II, V, VI, VIII
Measurements Supported:	TX power - Transmit Power
	Modulation - Freq Error, MAG Error, Phase Error, EVM (Avg)
	Spectrum - ACLR at 5 and 10 MHz [ + and - ]
	Sensitivity (search algorithm w/adjustable start level) - 0.1% BER

MT910C: CDMA2000 Standard

Adds CDMA2000 Standard to MT910 Mobile Phone Tester
Supported Technology:	CDMA2000 BC0, BC1
Measurements Supported:	TX power - Transmit Power
	Modulation - Carrier Frequency Error, Waveform Quality
	Spectrum - ACP at 870, 885, 900 & 1,980 MKz [ + and - ]
	Sensitivity (search algorithm w/adjustable start level) - 0.5% FER with Confidence Level >95%

MT910D: LTE Standard

Adds LTE Standard to MT910 Mobile Phone Tester
Supported Technology:	LTE Standard
Measurements Supported:	TX power - Transmit Power
	Modulation - EVM, Mag Error, Phase Error, Frequency Error, IQ Offset
	Spectrum - ACLR at UTRA frequencies
	Sensitivity (search algorithm w/adjustable start level) - 5% BER

MT910E: TD-SCDMA Standard

Adds TD-SCDMA Standard to MT910 Mobile Phone Tester
Supported Technology:	TD-SCDMA Standard
Measurements Supported:	TX power - Transmit Power
	Modulation - EVM, Mag Error, Phase Error, Frequency Error
	Spectrum - ACLR at ±1.6 MHz and ±3.2 MHz
	Sensitivity (search algorithm w/adjustable start level) - 0.5% BER