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IxLoad - Wireless XAir2

Data Sheets

Problem: Ensuring Optimized Performance for New Mobile Infrastructure Technologies

 

Continuous increase in capacity demand drives mobile wireless operators to greatly expand their network capacities. Service providers are under pressure to offer more throughput per user, while guaranteeing end-to-end quality of service. Vendors are employing new technologies to deepen network capacities beyond just expanding radio coverage, bringing in new challenges for lab testing.

 

Solution: LTE Emulation for End-To-End QoS Validation

 

Ixia’s XAir2 load module provides LTE user equipment (UE) emulation that enables a powerful IxLoad eNodeB Layer 1 to 7 test solution. With complex UE modeling, it offers realistic and easily configured traffic models and call patterns. Using IxLoad’s real-world subscriber modeling, testers do not need to be protocol experts to develop test realism. From a single tool, users can perform capacity tests, detail a cell throughput, measure voice and video quality, model a wide variety of mobility scenarios.

 

Real-world subscriber modeling

 

• Full-featured LTE UE emulation within all frequency bands and FDD/TDD duplex modes.

• Mobile application modeling with voice, video, and data traffic, including QoE (MOS, PESQ) and QoS measurements

• Complex signaling operation, including Attach, Detach, Handover, TAU, DRX, and Idle Mode operation

• Channel modeling that allows UE cell center/edge simulation with LTE DL Fast Fading emulations including Pedestrian, Vehicle, Urban, High-Speed Train, and Custom mode

• LTE Advanced 

• Visit www.keysight.com for more details on the IxLoad product

 

Product Capabilities

 

• 4 Primary Carriers

• FDD and TDD duplex, selectable on each carrier

• LTE-Advanced Carrier Aggregation (2CA through 4CA, FDD & TDD)

• LAA support

• 5, 10, 15, 20 MHz channel bandwidth support

• 4 CPRI Ports supporting CPRI line rates 3, 5, and 7 (2457.6 to 9830.4 Mbit/s)

• SISO, 2x2 and 4x4 MIMO antenna configurations

• Transmission Modes ranging from TM1 to TM4, TM9

• Gigabit LTE speed per single UE (4x4 MIMO, 3CA, 256QAM)

• Up to 256QAM Downlink and 64QAM Uplink

• Built-in high accuracy Stratum 1 10MHz clock 

• Support for 3GPP release 12 UE Categories (1-6, 9-12 with additional Cat. 16 DL / Cat. 13 UL)

• eMTC Cat-M1 support

• NAS/PDCP compression and ciphering

• Full DL/UL HARQ capability

• Semi-persistent scheduling

• CBRS 3.5GHz bands support

• Supports the Ixia Wideband Radio (bands in the range of 400 MHz to 6 GHz)

• Mobility validation with Handover and Reestablishment scenarios

• Standard and Custom Channel Modeling features

• Thousands of simulated UEs

• Automatic configuration of MIB/SIB parameters

• Application support for IxLoad Voice, Video, and Data protocols including VoLTE/ViLTE, HTTP, FTP

• Automation via Tcl, Python, Robot framework, and Rest API scripting 

• EPC simulation available for testing eNodeB in isolation, offering: 

   ° Coordinated simulation of MME, SGW, and IP Services  

   ° Full capability for L7 Triple Play application traffic generation (Volte, Video, Data)

   ° Negative Testing and Failure Scenarios: Paging Storm, S1 failures, NAS retransmissions  and rejects, Handover failures

   ° SGi passthrough capability (expose SGi interface towards external IP address)

   ° Full IMS Core capabilities, including mobile2mobile and mobile2ixLoad Volte calls

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