ACE RNX Channel Emulator ACE-RNX

Product Introduction

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A C E R N X S p e c i f i c a t i o n s a n d F e a t u r e s

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• TDD and FDD operation • 380–3850 MHz frequency range • 100 MHz bandwidth • Dynamic range

− RF Input Range +23 dBm(+15 dbCF) to -50 dBm (@35 dB above noise floor)

− RF Output Range -25 dBm to -120 dBm (0 dBm peak) • RF fidelity

− Noise floor < -166 dBm/Hz @ -40 dBm output power − EVM < -40 dB

• Bi-directional operation @ >80 dB circulator isolation • 4 RF LO’s per ACE-RNX • 2 kHz max doppler @ 3.8 GHz • 1 msec playback rate • 1.1 usec insertion delay

ACE RNX – Specifications

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• Up to 1msec bulk delay. • 0.1 dB resolution input/output attenuation • Selectable input power tracking w/ 10msec trigger rate Noise • AWGN across entire bandwidth • -101 dBm/Hz to -162 dBm/Hz NPD • +35 to -30 dB SNR, 0.1 dB resolution • Dynamic uplink noise for TTI bundling and closed loop

power control Channel modeling • Raleigh, Ricean, Pure Doppler and constant doppler modes • 24 taps per channel • Industry-defined standard models

− 3GPP/3GPP2 2G/3G/LTE models − HST & Moving propagation models − Geometric Channel Models (IMT-A, SCME)

ACE RNX – Parameter control

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Unique features • Internal combiner/splitter for seamless 2x2 CA

testbed cabling • Cloud based test executive • LTE synchronous downlink interference • Graphical test case creation tool

ACE RNX – Unique features

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• Dimension − 0.45m (W) x 0.24m (H) x 0.73m (D) (MX) − Can be mounted into lab rack

• Weight − 36 kg

• Power Requirements − Input: 100-240 VAC, 50-60 Hz, Max. 8.0 Amps at 120V,

4.0 Amps at 240V − Mains supply voltage fluctuations are not to

exceed 10 percent of the nominal supply voltage

ACE RNX – Box specifications

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MIMO and CA working modes

Working Mode MIMO topology System topology support Uni-directional 2x2 MIMO Up to 8 links Bi-directional 2x2 MIMO Up to 4 links

Uni-directional 4x4 MIMO Up to 4 links Bi-directional 4x4 MIMO Up to 2 links

CA 2x2 MIMO Up to 6DL / 2UL CA 4x4 MIMO Up to 3DL / 1UL

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D i r e c t o r 3 T e s t E x e c u t i v e S W

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Director 3 is a cloud based UI

Server

Location 2

…

Client 1 Client 2 Client N

Server

Location 1

…

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Director 3 - Cloud Based Architecture

• No desktop software - Access with any web browser No need for dedicated PCs

• Access the test bed from anywhere, any time globally Better test bed and lab space utilization

• Centralized Dashboard: - View all discovered RNXs - Run tests/control RNXs - Reset RNXs

• Test cases and test results stored on database - Ensures consistency in testing

• Customer server - No server fees - No security concerns

Offers more benefits than just traditional VNC

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Director 3 - Cloud Based Architecture

• No desktop software - Access with any web browser No need for dedicated PCs

• Access the test bed from anywhere, any time globally Better test bed and lab space utilization

• Centralized Dashboard: - View all discovered RNXs - Run tests/control RNXs - Reset RNXs

• Test cases and test results stored on database - Ensures consistency in testing

• Customer server - No server fees - No security concerns

Offers MUCH more benefits than just traditional VNC

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Director 3 Requirements

• Windows 7 Pro with SP1 (Eng version) • NET framework 4.5.2 • Microsoft AppFabric 1.1 • Microsoft SQL Server Express 2014 • D3 is a webserver. User can access with any web browser. Eg,

http://127.0.0.1

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Testbed Config

All the properties needed to set up a connection

between the BS and MS in one screen – Input

power, IPT, Crest factor, power meters etc.

Graphical method of creating a testbed and interacting with

corresponding properties

Click on link or a port to access different types of

properties

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Link Builder

User can access properties for

multiple links, single link multiple ports or

a single link

User can add as many core ACE

links or AzPlayer links

User add as many links as

their test requires

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Play Control

Play control and status

Select previously created Testbed and test case from link builder or

scenario builder

Mapped links to the testbed

Click on arrows to access DL or UL

properties

Access to other sections of play control

Properties accessed by

clicking on ports, links or multiple links together

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V i r t u a l N e t w o r k E n v i r o n m e n t

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LTE-A HetNet

• LTE‐A uses network densification/HetNet (a network of cells of different sizes) to enhance system capacity

• One consequence of network densification is increased interference

• LTE-A offers many complex and advanced mechanisms (e.g., ICIC, eICIC, FeICIC, NAICS, and advanced receivers) to handle this interference

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HetNet lab testing

• How to test such function in chipset? – Macro and micro need to sync up – Massive amount of cables and infra

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VNE – Industry First Integrated Network Environment Emulation

VNE creates the interfering cells

Industry’s first Integrated, Advanced Signal Generation Technology

• Embedded Complex Signal Generation Capability LTE downlink (eNB) in the first release

• Generate and playback LTE downlinks Emulate Macro cells, Small cells Configure cell parameters Add channel conditions

• Integrated LTE receivers for synchronization Time or frame based synchronization (Sync) needed to test xICIC, ABS Eliminates the need for an external sync Enables interoperability with live infrastructure and any base station

emulator

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Create & Play Signals Dynamically

Design & Generate Signal • Graphically create

technology specific signals • Select LTE parameters Bandwidth, Transmission

Modes FDD Cyclic prefix, PHICH CSRS ABS pattern (standard,

custom) • Apply standard channel

models • Create signal profiles

Playback • Dynamically configure 1 or

more signals relative to real test bed signals Integrated LTE receiver

monitors test bed Set Timing, power, frequency

• Use as virtual macro/small cell

• Dynamically update during playback

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VNE Specifications

• Interferer types – FDD LTE downlink – Synchronized and unsynchronized

• Can synchronize to up to 4 eNodeB’s • Can synchronize to input signal of

+23 dBm to -50 dBm – LTE macro cell and small cell

• Interferer numbers – 12 independent interferers per

ACE-RNX – 3 interferers per link

• Link level parameters – -15 to +40 dB proportion (SIR) – -1 to 1sec delay (100 nsec res) – -100 to 100 kHz offset (10 Hz res)

• Interferer Controllable Parameters – Bandwidth – Cyclic prefix – PHICH duration – Number of eNB antennas – Type of eNB array – PCI (cell ID) – PDSCH

• Transmission mode • Traffic loading • Rank proportion • ABS pattern • CFI value

– Propagation conditions • Channel, doppler, correlation

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S c e n a r i o B u i l d e r

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Scenarios in the LTE-A World

• Lets take a LTE-A scenario, with 8 eNBs, each with CA and the device moving through this environment

• Testing this scenario requires changing: Power (or path loss) Noise Interference Doppler Power delay profile Correlation Propagation delay

• This has to be done 8 times (for each sector), for every device (across links) at the desired resolution

• Creating these test scenarios manually is NOT a viable option

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Scenario Builder

• Scenario Builder is a powerful wizard to create the complex scenarios needed for LTE-A, HetNet – Drag, drop and design that allows creation of complex scenarios – Seamless, automatic computation of RF environment (power,

channel conditions, etc.) for the defined scenario – Automatic configuration of the RNX test bed to map to the scenario

at hand

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Scenario Builder Enables Creation of Complex Scenarios

Scenario Builder is a powerful wizard to create the complex scenarios needed for LTE-A, HetNet

• Drag, drop and design that allows creation of complex scenarios

• Seamless, automatic computation of RF environment (power, channel conditions, etc.) for the defined scenario

• Automatic configuration of the RNX test bed to map to the scenario at hand

• Scenario builder library for commonly used scenarios: 3GPP carrier aggregation scenarios Operator deployment scenarios

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Scenario Builder UI

Controls to manage the

canvas

Different types of devices you can

drop on the canvas

A waypoint indicates a point in the mobility

path. User can choose channel conditions at

the beginning of waypoint

User can drag this slider to determine

route of mobility path

Properties associated with an ENB or a

waypoint

Location and coverage area of

the cell

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Scenario Builder Example Use Cases

• Single-Cell Testing: Near Cell, Far cell scenarios Attenuation sweeps Receive sensitivity tests

• Handover Testing: Basic/Complex HO Cell edge Ping-Pong iRAT HO

• Carrier Aggregation Testing Inter-Band CA Intra-Band CA

• Small Cell Testing: Small cell – Macro HO Small cell Ping-Pong

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F i e l d T o L a b ( V i r t u a l D r i v e T e s t P l a y b a c k )

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FTL Intro

• Field testing has some inherent challenges – Time consuming – Expensive – Results are not repeatable since the real world is dynamic – R&D may not be local to where you see the issue

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The Solution - Field-to-Lab!

FTL is a solution that recreates the RF environment from the Field, in the Lab

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How Does FTL Work?

Drive log

from RF Scanner/DM

Device in the Lab AzMapper AzPlayer

ACE

Platform

FTL

Support for popular platforms such as: Qualcomm QXDM JDSU W1314A PCTEL SeeGull Accuver XCAL Anite Nemo Huawei PROBE

• Intelligently post-processes drive log data to remove erroneous data

• Provides L1/L2/L3 visualization capabilities to help narrow down problem areas

• Generates playback files to be used with AzPlayer

• Streams RF channel information to the ACE MX

• Recreates the complex RF environment captured in the drive log

• Creates a repeatable RF environment.

• Device subject to field conditions

• FTL also allows user to subject device to variants of the field condition by modifying aspects of the environment

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AzMapper - Settings

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AzMapper – Raw Data

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AzMapper - Per Sector View

• Enables visualization of the timeline of sectors and powers

• Accelerates detection of RF anomalies such as rising pilots or dead zones

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AzMapper – Environmental Profiling

• Enables profiling of the environment as Urban, Rural etc.

• Facilitates correlation of performance with environment

• Helps optimize drive testing

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AzMapper - Contextual Display of Information

• Highlights locations of critical call events (handovers etc.)

• Enables identification of problem spots

• Facilitates debugging of issues by providing an integrated view of RF and L2/L3

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AzMapper in Action

• Accurately recreates the field RF environments via AzPlayer + ACE

• Accurate reconstruction of: - Power (RSSI, RSRP/RSCP - Noise (Ec/Io, SINR) - Velocity - Multi-path fading - Frequency shift - Antenna correlation - Propagation delay 4. Automate tests with Test

Builder

1. Capture field environment with a device or scanner

Field Data Log

2. Import field data into AzMapper

Support for popular platforms such as: Qualcomm QXDM JDSU W1314A PCTEL SeeGull R&S TSM-W Accuver XCAL Anite Nemo Ascom TEMS

3. Playback field data in the lab (AzPlayer + ACE)

AzPlayer + ACE

• Fully automate test cases - ACE MX - eNBs and BSEs - Handsets and USB data cards - QXDM, Metrico Datum, TEMS - FTP, iPerf, web browsing • Create test schedule or run 24/7

testing • Generates detailed reports - Throughput - Voice quality (PESQ) - Call Success/Failure - Call setup time - Handover duration - And more…

Test Builder

• Post-processes drive log data to remove erroneous data

• Provides visualization capabilities to help analysis of RF environment

• Intelligently maps real world sectors to fit lab test bed • Generates AzPlayer playback file

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A C E R N X B e n e f i t s S u m m a r y

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ACE-RNX Customer Benefits Summary

Aspect Details Customer Benefit Integrated network environment emulation (VNE)

• Integrated emulation of HetNet environment

• Seamless & synchronized signal generation

• Fully configurable signals

• Significant cost savings in building test bed • Simplified test bed (setup & ongoing savings) • Ability to configure signals on the fly –

significant time savings • More reliable (less dependencies on 3rd party) • Easier to maintain, reconfigure test bed

Manage networks and links for complex tests (Scenario Builder)

• Drag, drop and design for creation of scenarios

• Automated computation of conditions

• Automatic configuration of the RNX test bed

• Enables creation of complex scenarios that can’t be created through traditional means

• Removes the onus on the user to calculate and define the network environment for the scenario

• Significant time and effort savings

• Dynamic Playback • Dynamic uplink noise • 1 ms playback • Higher dynamic range

• Enables new test scenarios (ex. TTI bundling for TRUE VoLTE testing)

• Playback of more extensive real world conditions

• Playback of high power scenarios

2017-9 MG No. ACE-RNX-E-L-1-(1.00)