Critical Timing Measurement Tools for Next Generation ATC Networks
GAITHERSBURG, Md., Oct. 09, 2018 (GLOBE NEWSWIRE) -- GL Communications Inc. a global leader in telecom test and measurement solutions, announced today its insight into Timing Measurement Tools for Next Generation Air Traffic Management (ATM) Networks.
Speaking to the press, Mr. Vijay Kulkarni CEO of the GL Communications Inc said, “GL has developed MAPS™ TM-ATM (Timing Measurements in Air Traffic Management) test suite to accurately simulate end points in ATM network and provide critical timing measurements for various types of delay occurrences in signalling and voice transmission through the network. It includes all necessary hardware and software to identify, capture, timestamp, and correlate events at Analog, TDM and IP interfaces.”
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[See the product announcement newsletter: -https://www.gl.com/newsletter/timing-measurement-tools-for-ip-based-air-traffic-management-newsletter.html]
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He further added, “To perform these timing measurements, one can setup MAPS™ TM-ATM (Timing Measurements in Air Traffic Management) tools at appropriate strategi interfaces. GL’s MAPS™ TM-ATM is a custom suite of test tools, designed to accurately measure various types of delay occurrence in signalling and voice transmission. It includes all necessary hardware and software to identify, capture, timestamp, and correlate events at Analog, TDM and IP interfaces.”
As per the industry standards, the following network delay measurements are of primary interest:
- Transmitter activation delay
- Aircraft call indication delay
- Ground transmission voice delay
- Transmitter activation and aircraft call indication loopback delay
- Ground reception voice delay
- Ground transmission and reception voice loopback delay
- Frequency key activation response time and more
Tools used for Timing Measurement
MAPS™ TM-ATM (Timing Measurements in Air Traffic Management) components can be broadly categorized into two sets based on the underlying hardware:
- Packet Products - Packet Analyzer, Packetizer, Discrete Signal Logger, and Event Data Logger - all these are based on the same GL’s PacketExpert™ Ethernet/IP tester; their functionalities differ through scripts that cater to different needs of test cycle
- Audio Analyzer - this is based on VQuad™ Dual UTA hardware; its main functionality is to simulate radio calls from CWP
All components of TM-ATM are controlled by a centralized component called MAPS™ Administrator (TM-ATM Client). MAPS™ TM-ATM support a client server model, with components acting as servers, the MAPS™ Admin acts as a client and controls all components acting as servers, from a centralised location.
MAPS™ Administrator (MA) uses TCP/IP to send /receive commands controlling the following server applications:
- Packet Analyzer - Packet Analyzer (PA) extends Ethernet testing capabilities of PacketExpert™ 10GX for 10 Gbps and 1 Gbps networks. The hardware unit is a more compact and adds 12-port user-configurable TTL trigger option as an important enhancement.
Packet Analyzer in the network functions like a highly precise Ethernet tap, filtering packets of interest from a bidirectional Ethernet link without disturbing the traffic. It generates output TTL signal pulses for every filter match, which can be processed using an external device like Oscilloscope.
- Audio Analyzer - is a 4-wire audio device that can connect to a CWP and emulate a controller by activating PTT and transmitting audio. The analyzer can inject and record analog signals at CWP, Radio and VoIP gateway interfaces and generate TTL for different actions (PTT ON, PTT OFF, Send Audio, Detect Audio).
- Packetizer or Discrete Signal Logger - The Discrete Signal Logger monitors the TTL output from the Audio Analyzer and generates a corresponding IP packet indicating a certain event has occurred. The packets generated by the Discrete Signal Logger are named as discreet events and posted to the Event Data Logger.
- Event Data Logger - As seen in the picture above, the Event Data Logger is located at the central location and receives the event packets forwarded from the various Packetizers or the Packet Analyzer systems throughout the network. It timestamps each received packet, decodes the packet to extract information, and updates the Events to the MAPS™ Controller.
About GL Communications Inc.,
GL Communications Inc is a global provider of test and measurement solutions and has over the years worked with major telecom equipment vendors, service providers, and system integrators to meet the testing requirements arising at various stages of telecom products development life cycle.
GL offers a broad set of test solutions that help perform all types of testing on networks, from initial system design, to fine-tuning, troubleshooting, live deployment, and monitoring. The products are widely used to verify and ensure 'quality and reliability' of Wireless (4G LTE, 3G, 2G), SONET/SDH, IP, TDM, and PSTN networks.
GL core product development is backed by a dedicated team of R&D experts to match evolving market and technical challenges in a most cost-effective and innovative way.
Phone: +1 301-670-4784
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