Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Qosmotec Software Solutions | Schloss-Rahe-Straße 15 | D 52072 Aachen http://www.qosmotec.com
The open test platform
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Qosmotec Products: Lab Test System
End-to-End Test Automation
LTS automates test execution on various
user network entry points
Control of mobile phones / terminals / datasticks
Control of analogue devices (fax / data / voice)
Control of IP devices (SIP Clients)
Voice over IP
Video Streaming
Control of tests hosts
Fast, unattended & parallel 24/7 test execution
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
• Multi-User-Capability
• Automatic 24/7, unattended and repeatable test execution
• Widely scalable
from portable tester with 1-4 mobiles to load tester or network-wide monitoring system with hundreds of terminals
• Test Scripts
Configurable via parameters to yield many more variants
Graphical Test Case Editor available
• Open Platform Concept
Extension with other resource types (AIS, protocol analysers, signalling load,…)
• Profound IP Traffic Analysis
Data Throughput Measurements
Packet Flow Statistics
Detailled IP Traffic Analysis with Wireshark
LTS-Platform | Main Characteristics
LTS Systems - Realizations
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Rack setups with commercial mobiles / datasticks,
controlled via USB interface
Combination of various
mobile types and vendors
Compact, portable setups,
based on module solutions
(GSM, UMTS, HSPA)
(6 modules per 19`` drawer)
powerful analysis
capabilities for
end-to-end failures
RF Shielding
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Each datastick is located in its own shielded box
- High shielding performance for all mobile networks
> 40 dB shielding guaranteed for 3G and 4G frequency bands
- MIMO capable (2 antenna connectors)
- Size: 16 cm x 11 cm x 6 cm (L x B x H)
optimized to mount 8 boxes on a 19‘‘ shelf
Shielding box 8 shielding boxes on a rack shelf
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
LTS | Integrated Test Solution
HF
LTS Network
Control
SGSN GGSN Node-B
RNC MSC
SIM Data
Air I/F
Simulator
Tester Terminals
Test Plant Network
Mobile Control
Server
SIM
Server Protocol
Analyser
Background
Load Generator
IP Test
Host
LTS Application &
Database Server
Monitor
Gn IuPS Iub
Uu
IuCS
IMS
MGW Node-B
IPv4 /
IPv6
SIP
Server
Analogue
Server
Gi
LAN/WLAN CS / ISDN Signalling
Open Platform Concept
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Examples for integrated test equipment:
- Handover Generator (AIS)
- SIM card server
- Network Node Access (Operation & Maintenance Interface)
- Mobile Robot
- Statistical Usage Model Generator
- Wireshark IP Traffic Analyzer
- Text-to-Speech Converter
- Speech Quality Assessment
- Base Station Simulator
- GPS Simulator
LTS System Components / Setup
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
32 LTE datasticks
(Huawei E398)
AIS 8x4
Handover Matrix
Mobile
Server App & DB
Server User Laptops /
Client
Workstations
USB
RF
RF
LAN
LAN
LAN
G i
Wireless Network
(System under Test)
LAN
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
LTS | Test Features
• Call Tests (Voice, Data, Fax, Video)
• SMS, Supplementary Services
• GPRS/UMTS Attach/Detach
• Context Activation/Deactivation
• PS Traffic (SMS, FTP, HTTP, UDP, Ping, E-Mail, WAP, MMS)
• PS QoS Analysis (Packet Delay, Throughput, Errors/Losses/Duplicates, ...)
• 2.5G QoS Profiles (precedence, delay,…)
• 3G QOS Profiles (traffic class, guaranteed bit rate….)
• Telnet connection to network nodes (O&M Interface)
• GSM-R/GSM-ASCI-Tests (VGC, VBC, eMLPP)
• Voice Transmission (Text to Speech)
• Voice Quality Analysis (PESQ)
Creating Test Scripts
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Easily assemble test steps to test cases by simple
drag & drop actions
1,2 or more mobiles can be involved in a test case
Standard test scripts predefined by Qosmotec
Drag &
drop
Building automatic test sessions
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Test execution methods
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
LTS supports
repeated execution of test cases within a test scenario
parallel and sequential execution of test case within a test scenario
scheduled or immediate test scenario execution
automatic repetitions of a test scenario in user defined periods, e.g.
- hourly
- daily
- weekly
- monthly
Test Features – PS Data
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
PS Data Transmission between Mobile Control Server and Test Host via a
selected datastick to test the performance of the mobile network
- Various protocols (ICMP, FTP, HTTP)
- LTE data speeds up to 100 Mbps (DL) / 50 Mbps (UL)
- Bandwidth selectable for uplink and downlink speed
- Measurements of user data throughput and network data throughput
- TCP dump for detailled traffic flow analysis with Wireshark integrated
MCS Test Host
PS Data
PS Data Traffic Results
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Various charts and statistical summaries on data throughputs
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Analyzing the TCP Dump
For each IP Session,
the tcpdump is
saved
Call TCP analysis software
for detailed data session
analysis
AIS Handover Matrix
Qosmotec Software Solutions | Schloss-Rahe-Straße 15 | D 52072 Aachen http://www.qosmotec.com
Handover tests can be
done manually
via an handy and intuitive
GUI …
… or automatically with
LTS by test case parameters
LTS Result View
Qosmotec Software Solutions | Schloss-Rahe-Straße 3 | D 52072 Aachen http://www.qosmotec.com
Execution
Statistics
Mobility View
Several Data
Traffic Views
Detailled Execution Log
Handover Results in Automated Environment
Synchronization between log entries, positions and attenuations
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