SART for GSM GERAN (J7841A) (Discontinued)

High-performance solution for 2, 2.5, 3 and 4G system verification, troubleshooting and RAN optimization. Its intelligent call trace-centric approach supports the evolution of GSM including EDGE, GPRS, EGPRS and UMTS.

The VIAVI Signaling Analyzer Real Time (SART) is a high-performance solution for 2, 2.5, 3 and 4G system verification, troubleshooting, and RAN optimization. Its intelligent call trace-centric approach enables distributed call trace, performance measurements, and drill-down problem isolation for calls on UMTS, GSM, TD-SCDMA, and CDMA RANs, as well as the mobile core, IMS, PSTN and Internet.

Support of GSM evolution
The VIAVI Signaling Analyzer Real Time (SART) supports the evolution of GSM:

  • GSM
  • EDGE
  • GPRS
  • UMTS

Network architecture support 
Complete coverage of architectures to correlate calls end to end from GERAN to the rest of the network:

  • ATM and IP-Based UTRAN, Core, IMS, PSTN, Internet 

Specific benefits for Signaling Analyzer GSM GPRS EDGE

  • Rapid problem identification and isolation
  • Quickly and easily identify Call Setup and Clear Down Performance affected by traffic load and signaling issues.
  • Immediately flags you when unsuccessful calls reach a predefined threshold
  • A, Gb, Gn call trace
  • Abis is usually vendor specific. Support for specific Abis vendors can be discussed with VIAVI personnel.
  • UMTS to GSM Handover Analysis
  • GPRS, EGPRS and Handovers between GPRS/EGPRS
  • GERAN/UTRAN Inter-working Optimization
  • Multiple BTS Abis links can be analyzed using one DNA
  • Auto detect between TRAU 16k, TRAU 8k and PCU
  • Abis and Gb Control and User Plane Filtering
  • Online/Offline PCU Reassembly to RLC/MAC frames
  • Online/Offline RLC/MAC Reassembly into LLC PDUs (CP and UP)
  • Selectively discards PCU/RLC/MAC PDUs after RLC/MAC Reassembly
  • PCU Frame Quality Indicator retained as part of the RLC/MAC PDU header
  • PCU Frame Quality Indicator used for Selective Reassembly RLC/MAC
  • RLC/MAC retransmissions indicated in the Traffic Overview
  • A, Gb, Gn protocol decodes are R5 compliant
  • Real Time Auto Deciphering, including complete de-ciphering of all Iub and Gb links messages, GEA 1/2/3 Support and C1/C2 algorithms to convert 3G ciphering information into 2.5G

Support at Every Step

We provide support, services, comprehensive training and the resources you need. It’s all part of what we do to maximize the value of your VIAVI investment.

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