NQ-Lab System

NQ-Lab is the ‘all inclusive’ toolbox for realtime QoS Measurement of Speech, Data and Video. NQ-Lab is a particularly sophisticated test instrument intended for R&D applications and capable of “triple play” measurements with detailed analysis of speech, data and video.

The NQ-Lab system is an integrated analysis tool providing a variety of features for data administration, ﬁltering, analysis, and generation of reports and statistics. NQ-Lab provides the engineer with the detailed analytical and diagnostic capabilities required to determine the root causes of any service degradation as well as providing an overview on the total network performance.

NQ-Lab contains Assessment Algorithms for Voice, Data and Video. The system is designed to support PSTN and mobile calls within the same unit, or using external/public sources like voice answering machines, web and video servers, etc.

A large number of tests can be performed using NQ-Lab, such as Mobile to PSTN; echo passive to any number, listening quality of the received voice; access tests; data tests; video streaming; and various sending, receiving tests.

The instrument contains both PSTN and ISDN connectors, uses USB, LAN, and a PCMCIA interface and operates in a Windows XP environment. NQLAB can be supplemented with additional software.

NQ-Lab System Features:

Voice, Video and Data Measurements
NQ-Lab can make triple–play measurements with Quality Assessment Algorithms for Voice, Data and Video. The system is designed for mobile to PSTN calls within the same unit, or using external/public sources like voice answering machines, web and video servers.

Powerful Post-Processing
The ﬂexible SQL based analysis tool inte¬grated into NQ-Lab provides a variety of features for data ad¬ministration, ﬁltering, analysis, and generation of reports and statistics. Giving the engineer detailed analytical and diagnostic capa¬bilities required to determine the root causes of any service degradation as well as providing an overview on the total network performance.

Multiple Test Configurations
With NQ-Lab the user can easily test and verify the quality delivered by a multitude of interconnect possibilities.
By means of configuring NQ-Lab with a Mobile Terminal and with PSTN or IP interface, calls can automatically be generated between the mobile and fixed network environments.

Multiple Test Types
A wide range of tests are supported enabling true assessment of the end-to-end quality. Measurements can be combined and executed within each call. Furthermore, tests can be scheduled and executed using different phone numbers thus enabling benchmarking of multiple carriers/routings.

Test types:
• Speech Test
• Noise Suppression Test
• Silence Suppression Test
• Echo Cancellation Test
• Echo Passive Test
• Double Talk Test
• DTMF Test
• In-band Round Trip Time Test
• IP trace
• Data Tests (IP, FTP, HTTP, Ping, UDP, WAP)
• Video streaming
• Video telephony
• SMS (sending, receiving)
• MMS (sending, receiving)
• Fax (sending, receiving)