R&S®AVQA Advanced voice quality assurance system

Non-intrusive voice quality assurance system

R&S®AVQA Advanced voice quality assurance system
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R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA Advanced voice quality assurance system
Abrir Lightbox
R&S®AVQA advanced voice quality assurance, front viewR&S®AVQA ATC voice quality assurance, side viewR&S®AVQA advanced voice quality assurance system, screenshotR&S®AVQA advanced voice quality assurance system, screenshotR&S®AVQA advanced voice quality assurance system, screenshotR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance systemR&S®AVQA Advanced voice quality assurance system

Key Facts

  • Non-intrusive quality assurance system
  • Monitors both IP and RF communications
  • Automatic recognition of the impairment root cause
  • Compatible with any ED-137 VCS and radio system
  • ATC-specific reporting and visualization

Insightful analytics and detailed monitoring of ATC voice networks

Designed for efficient operation with modern IP based architectures

R&S®AVQA is a non-intrusive voice assurance system that provides many integrated monitoring functions for ATC communications systems. These functions include:

  • Quality assurance reports to CAA
  • Type acceptance of new IP systems
  • Live information about disturbance to ACC admin
  • Voice quality report on ANSP interconnection (e.g. NewPENS)
  • Network quality reporting

Features & benefits

Ground-ground voice assurance

Reachability and voice quality monitoring between centers and towers

The R&S®AVQA ground-ground assurance monitors and stores quality details about each ground-ground call. In the event of problems, automatic impairment recognition immediately alarms the maintenance team with background information on the root cause. In addition, long-term statistics on MOS, reachability and other parameters are the basis for annual reports to civil aviation authorities.

Ground-ground call details
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Ground-ground call details

Detailed information about ground-ground streams with low packet interval of 10 ms and tolerable jitter.

Air-ground voice assurance

End-to-end voice and radio system monitoring to ensure safe flights

Monitors functions and quality of entire air-ground communications systems as well as ATC radios. The statistical analysis provides reports on VoIP KPIs in line with ED-136 requirements. In case of impairments, automated indication and alarms with root cause analysis provide important information for further investigations. The system is compatible with any ED-137-compatible radios and VCS systems.

Air-ground call details
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Air-ground call details

Clearly structured call details on air-ground calls with indicators and detailed information for every five seconds of each call.

Frequency monitor

Keep track of overall frequency utilization for efficient management

Air navigation service providers must be aware of frequency spectrum availability. The R&S®AVQA frequency monitoring function gives the most efficient overview. In addition, impairments such as long-pressed PTT and SQL drops cause immediate alerts, which helps remedy issues faster.

Frequency utilization monitor
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Frequency utilization monitor

Real-time monitoring of the individual utilization of each channel provides valuable insights for better adjustment to the particular load.

Radio channel statistics

Squelch and noise power level monitoring

The R&S®AVQA RSSI monitor is a prime example of efficient self-diagnostics. The monitor enables network managers to track the RSSI value at every receiver without additional RF monitoring equipment. This is useful for quickly localizing a faulty receiver or a related issue, e.g. a misaligned antenna.

RSSI statistics
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RSSI statistics

The R&S®AVQA RSSI monitor extracts vital RF performance analytics and summarizes them centrally for a clear overview.

Loopback monitor

Insightful closed-loop monitoring of the entire communications chain

The R&S®AVQA loopback monitor uses patented techniques to check end-to-end voice system functionality. The R&S®AVQA covers the RF aspects of the network and can provide a very broad system view for the network administrator. As the name suggests, the loopback monitor compares different receiver responses to the signal transmitted by the ground based radios.

Loopback monitor
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Loopback monitor

The loopback monitor compares signal strength and reception delay to spot potential problems.

Non-intrusive monitoring

Probes of R&S®AVQA are connected via TAPs or mirroring ports to the monitored environment. This one-way connection ensures that the monitored environment cannot be influenced. Traffic is analyzed locally on the probes and only summary data (QDRs) are send back to the AVQA manager.

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Available options

Sensor modules
Product
Descripción
R&S®QA5420
Descripción

AVQA Probe S appliance

AVQA Probe S appliance

R&S®QA5430
Descripción

AVQA Probe M appliance

AVQA Probe M appliance

Features and functions options
Product
Descripción
R&S®QA5400-O1
Descripción

GG monitor license

Monitor the entire ground-ground communications system with automated impairment indications, alarms and root cause analysis. 

R&S®QA5400-O2
Descripción

AG monitor license

Monitoring of the entire air-ground communications system with automated impairment indications, alarming and root cause analysis. 

R&S®QA5400-O4
Descripción

RSSI monitor license

Long-term radio signal strength and noise statistic with alarming for on noise bursts and low signal strength.

R&S®QA5400-O5
Descripción

Frequency monitor license

Statistical analysis of frequency utilization for deep radiocommunications insights. Automaticaly alarms problems such as long-pressed PTT, long SQL or simultaneous transmissions.

R&S®QA5400-O6
Descripción

Loopback monitor license

Real-time monitoring of the entire TX and RX communication chain, automatically reporting and alarming delay and RSSI deviation of ground based transmissions unsing ground based recievers.

Related videos

R&S®AVQA - RSSI monitor

The RSSI monitor in R&S®AVQA provides a great opportunity for long-term signal and noise monitoring of the radio infrastructure. Using the flags in the ED-137 voice stream, R&S®AVQA non-intrusively analyzes the RSSI level. Based on the squelch information, R&S®AVQA automatically differs between the signal and noise and reports this accordingly.

ene. 23, 2023

R&S®AVQA - loopback monitor

R&S®AVQA loopback monitor provides a non-intrusive end to end test of the entire ATC voice communications system. Using the patented technology of correlating the ground-based receptions with the ground-based transmissions, the system provides non-intrusive analyses of the entire communication chain.

ene. 23, 2023

R&S®AVQA - Ground-ground monitor

Voice quality assurance is key for safe airspace operations. The R&S®AVQA G/G monitor provides a detailed information on the G/G connection between controller working positions but also between centers and airports. The quality data are recorded with a granularity of five seconds, providing a very detailed statistics.

ene. 23, 2023

R&S®AVQA - Air-ground monitor

Voice quality assurance is indispensable for airspace operations. R&S®AVQA A/G monitor provides a detailed information on the A/G connection between radio and VCS system. The fully flexible dashboard provides a high-level overview and allows a quick drill-down to the particular connection.

ene. 23, 2023

R&S®AVQA - frequency monitor

Long press PTT or simultaneous transmissions are serious problems in ATC voice communication. R&S®AVQA frequency monitor provides a great tool for analyses and alarming of such irregularities. Based on the non-intrusive voice monitoring, R&S®AVQA has a complete information about communication.

ene. 23, 2023

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