DMTS™-9200

LTE System Tester

For wireless network equipment vendors and network operators, the Dyaptive DMTS-9200 is a platform for the future-proof test strategy for LTE radio access networks. 

Equipment manufactures face many challenges associated with bringing LTE products to the market. In developing and optimizing the physical layer, or testing the implementation of the protocol, design and verification teams need tools that provide both the flexibility of UE logging and analysis, and the ability to generate load and stress that tests the boundaries of their hardware and software implementation.

The Dyaptive DMTS-9200 offers flexible, high-capacity solutions to LTE testing challenges.

• Expandable:
• The only LTE solution that provides hundreds of simultaneously active UEs per cell within a single platform
• Up to 2400 simultaneous data sessions
• Up to 32 2x2 MIMO sectors
• Flexible:
• Create real-world call models, running simultaneously
• Control message flow and content with the Dyaptive Workbench, leveraging our multi-UE implementation of PHY, MAC, RLC, PDCP, RRC, NAS and Application layer
• Flexible framework provides ability to script tests using our Layer 1 and 2 implementation to test signalling, timing performance and resource allocation
• Control UE capabilities, bands and operating revisions to more precisely model real-world scenarios
• Reconfigurable:
• Use a common hardware platform for 1xRTT, EvDO, UMTS (HSDPA, HSUPA, HSPA+) and LTE
• Insightful:
• Understand access network performance from UEs perspective, with logging across multiple layers of the protocol
• Predictable:
• Leverage an automated test environment that provides repeatable and deterministic tests

Key Features & Benefits

• Hundreds of UEs engaged in coordinated or random traffic scenarios simultaneously
• Verification of messaging at multiple layers of the protocol
• Verify Scheduler performance and resource allocation
• Measure QoS performance and verify "Fairness Policy" under load
• Inter RAT handover from LTE to HSDPA/HSUPA/HSPA+ or EvDO
• 2 x 2 MIMO
• Support for 1.4MHz, 3MHz, 5MHz, 10MHz, 20MHz
• Up to 150Mbps transfer rate on the downlink and 50Mbps on the uplink

Back to Top

Integrated Test Functionality

Bulk Traffic Generator	Mix data models and traffic types Spread traffic across hundreds of UEs, or concentrate in a few Define individual UE or group behaviour Randomize traffic models simulates variety of real-world conditions QoS selection and measurement Ramp traffic up or down through test cycle Continually take eNodeB to maximum load through extreme stress conditions over many days Verify base station power consumption and RAM alloaction under load
Scheduler Performance	Measure Scheduler performance and analyze resource allocation
Channel Emulator	Control radio channel impairment to simulate variety of propagation environments
Performance Analyzer	Analyze performance with a powerful visual data mining tool Enable correlations between logs generated from various levels across all protocol stacks Generate graphs for various metrics e.g. Modulation scheme vs Resource Blocks or CQI Provides mobile user perspective

Back to Top

Software Defined Radio (SDR)

As with our 1xRTT, EvDO and UMTS systems, the DMTS-9200 employs a unique application of SDR technology. The DMTS-9200 system produces an enormous offered UE capacity and allows users to control and coordinate mobile behavior and RF conditions, as well as define and run tests that are completely repeatable. Because the system is software based, it is easily upgradeable and reconfigurable, as well as scalable protecting customers investment in their test system.

Back to Top

Configurations

The DMTS-9200 can be deployed in multiple configurations. It can scale from a single blade processing element supporting hundred mobiles, and one 2x2 MIMO sector up to 80 blade processing elements supporting hundreds of mobiles, for up to 32 eNodeB MIMO capable sector ports.

Back to Top

System Management for Test System Automation

• Dyaptive Workbench (GUI)
• Quick set up and installation
• Test script creation, management and launch pad
• Import / Export USIM database
• Configure sectors, carriers and UARFCN
• Real time statistics
• Performance analysis
• Manage user accounts and software licenses
• Multiple user support
• Backup / restore database

Back to Top

User Controls for Call Models and Simulation

System Configuration
Sectors	1 to 32 MIMO sectors Multiple sector-carriers (cells)
Test Terminal Identities & Behavior	HLR parameters such as USIM Statistical behavior of test terminal population Coordinated or random behavior
Test Conditions & Triggers	Terminate tests based on time or statistics Configurable Pass/Fail criteria
Logging	Physical Layer parametric measurements OTA Signalling Filters
Traffic Model
Test Terminal Mix	LTE Mix of LTE, HSDPA, HSUPA, HSPA+ and EvDO
Test Terminal Control	Registration rates Traffic rates up to 100,000 connections per hour Data application manipulation (data throughput rates, message sizes)
Traffic Mix	UDP, FTP, HTTP, Email (POP3/SMTP) PoC VoIP
Traffic (data) Rates	Downlink: up to 150Mbps Uplink: up to 50Mbps
Radio Environment Control
	Pilot strength (Path Loss) HARQ, CQI, RI, PMI control Soft/Hard handover
Statistics Collection
	Statistics can be viewed and analyzed per test terminal, test terminal group, sector and per Base Station Physical Layer statistics BLER CRC errors RACH attempts OVSF code overlaps Resource Block usage Real time call and data transfer statistics Session originations (attempts, success) Registrations (attempts, success) Access (attempts, success) Network release Terminal release Hold times
Air Interface Standards
	UE Radio Access: 36.306 PHY: 36.101, 36.211, 36.212, 36.213, 36.214 L2/L3: 36.321 (MAC), 36.322 (RLC), 36.323 (PDCP), 36.331 (RRC), 24.301 (NAS)
RF Support
	RF Bandwidth 1.4, 3, 5, 10, 15, 20 MHz Bands Supported:
Uplink Downlink Band 1 1920 - 1980 MHz 2110 - 2170 MHz Band 2 1850 - 1910 MHz 1930 - 1990 MHz Band 5 824 - 849 MHz 869 - 894 MHz Band 7 2500 - 2570 MHz 2620 - 2690 MHz Band 13 777 - 787 MHz 746 - 756 MHz