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UMTS Protocol Analyzer for OC-3/STM-1
and OC-12/STM-4


  Download UMTS Protocol Analyzer for OC-3 / STM-1 and OC-12 / STM-4 Product Brochure


Overview

UMTS (Universal Mobile Telecommunications System) being an access network in the mobile communication area provides a common interface to both GSM and GPRS core network. UMTS is capable of handling both Circuit-Switched (CS) as well as Packet-Switched (PS) data simultaneously through its UTRAN network.

UMTS separates the user plane from control plane, radio network plane from the transport network plane, access network from the core network, and access stratum from the non-access stratum. Separation of transport network subsystem and radio network subsystem enables the UMTS to use multiple transport layer mechanism.

 
pdf User's Guide
pdf Product Brochure
View Presentation
pdf GL Product Lists

IP and ATM are the most preferred transport network layer protocols used in UMTS network architecture. ATM based UMTS network is more popular since it ensures various QoS and Classes of Services to the end user.

GLís OC3 / 12 and STM1 / 4 UMTS analyzer is capable of capturing, decoding, and performing various test measurements across various interfaces i.e. Iub, Iur, IuCS and IuPS interfaces of the UMTS network based ATM transport layer. It helps in fault diagnosis and troubleshooting of UMTS network. Multiple instances of UMTS Analyzer can run simultaneously capturing data (real time and off-line) on multiple OC-3 or OC-12 interfaces.

Screen Shot of UMTS Protocol Analysis Main Window


Main Features

Display Features
  • Displays Summary, Detail, Hex-dump, and Statistics Views
  • Detail View
    • Displays decodes of a user-selected frame from the summary view
    • Provides options to display or hide the required protocol layers
    • Contents of this view can also be copied to clipboard
  • Summary view provides the information about few important fields (Dev #, Time Slot, VPI/VCI, PT, OSF, AAL type, CID, ALCAP message) in a tabular format.
  • Any protocol field can be added to the summary view, filtering, and search features providing users more flexibility to monitor required protocol fields.
Supported Protocols
  • Decodes different control plane protocols i.e. NBAP, RANAP, RNSAP, ALCAP, SSCOP etc and user plane protocols i.e. Iu-UP, Iub-FP, AMR and more.
  • Decode NAS protocols (i.e. CC/MM/SM/SMS/GMM) along with the UTRAN specific protocols.†
Filtering and Search Advanced filtering and search based on any user selected protocol fields
Capturing Streams and Decoding Frames
  • Captures, decodes, filters, and reassembles AAL-2 and AAL-5 frames in real-time, from within the ATM cells according to user defined VPI/VCI.
  • Supports simultaneous decode of multiple streams of UMTS traffic on multiple OC-3 or OC-12 interfaces.
Export Options
  • Exports Summary View information to a comma delimited file for subsequent import into a database or spreadsheet.
  • Capability to export detailed decode information to an ASCII file
Additional Features of ATM
  • Ability to configure .ini file for VPI & VCI (for ALCAP, NBAP, RANAP, and so on).
  • Performs numerous measurements across Iub, Iur, IuCs and IuPs interfaces.
Remote Monitoring Remote monitoring capability using GL's Network Surveillance System

Protocols Supported

For the list of supported protocols that are supported by GL's OC-3 / STM-1 OC-12 / STM-4 UMTS analyzer visit UMTS Supported Protocols.


Summary, Detail, and Hexdump Views

The analyzer displays Summary, Detail, Hex Dump, Statistics, and Call Detail Views in different panes. The summary pane displays Frame Number, Time, Length, Error, VPI, VCI, PT, OSF, AAL Type, CID, LI, UUI, CPI and Frame Type message. User can select a frame in summary view to analyze and decode each frame in the detail view. The Hex dump view displays the frame information in HEX and ASCII format.



Protocol Summary, Detail, and Hex Dump Views in UMTS Protocol Analysis

Real-time and Offline Analysis

Users can capture and analyze UMTS frames in real-time and record all or filtered traffic into a trace file. The recorded trace file can then be analyzed offline and exported to ASCII file, or printed. UMTS raw data capturing requires user to specify timeslots, bit inversion, octet bit reversion, user/network side, ATM mapping, scrambling, and inverse multiplexing (IMA) options. The real-time data capturing requires user to specify ports and user/network side.



Port Selection for Real-time Capture

Filtering and Search

Users can record all or filtered traffic into a trace file. Filtering and search capability adds a powerful dimension to the UMTS Analyzer. This feature can isolate required frames from all frames in real-time, as well as offline. Users can specify custom VPI, VCI, and PT type values to filter frames during real-time capture. The frames can also be filtered after completion of capture based on Frame Number, Time, Length, Error, VPI, VCI, PT, OSF, AAL Type, CID, LI, UUI, and more. Similarly, Search capability helps user to search for a particular frame based on specific search criteria.



Offline Filtering and Search Criteria for UMTS Protocol Analysis




Real-time/Pre-Capture Filtering Criteria for UMTS Protocol Analysis

Reassembly

Using reassembly option user can specify VPI /VCI value to reassemble as per the Segmentation and Reassembly rules defined by the specified AAL type.



Reassembly Options for UMTS Protocol Analysis

Call Detail Record and Statistics View

Call trace defining important call specific parameters like Call ID, Call disposition, Call duration, Mobile ID, Called/Calling Number, Call type (SMS/PDP/Setup/Location update etc) are displayed for IuCS and IuPS interfaces.

Statistics is an important feature available in UMTS analyzer and can be obtained for all frames both in real-time as well as offline mode. Various statistics can be obtained in statistics view to study the performance and trend in the ATM network based on different parameters e.g. Use Type, Statistic type (Frame count, Byte count, Frames/Sec) and patterns (Range List, Wild card).



Statistics Options for UMTS Protocol Analysis

Enhanced Trace Saving Options

Users can control the captured trace files by saving the trace using different conventions such as trace files with user-defined prefixes, trace file with date-time prefixes, and slider control to indicate the total number of files, file size, frame count, or time limit. This feature also allows the captured frames to be saved into a trace file based on the filtering criteria



Protocol Trace Saving Options for UMTS Protocol Analysis

Buyer's Guide

Item No Item Description
LTS206 OC-3 / STM-1 UMTS Protocol Analysis
LTS306 OC-12 / STM-4 UMTS Protocol Analysis
  Other Related Software
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LTS202 OC-3 / STM-1 ATM and RAW Record / Playback
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LTS204 OC-3 / STM-1 ATM Protocol Analysis
LTS304 OC-12 / STM-4 ATM Protocol Analysis
LTS205 OC-3 / STM-1 PoS Protocol Analysis
LTS305 OC-12 / STM-4 PoS Protocol Analysis
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