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

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