Analog Devices Presents at 2017 IWPC Conference on Automotive RADAR
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© 2017 Analog Devices
CHRIS JACOBSGeneral Manager, ADAS & Automotive Safety
Analog Devices, Incorporated
23 February 2017
Wolfsburg, Germany
Game-Changing Solutions to Next-Generation
Automotive RADARSub Title:
Performance Matters: Every dB Counts
2017 IWPC Workshop on Automotive Radar Sensors for
Semi-Automatic and Autonomous Driving and Parking Systems
Presentation Agenda
►Motivation
►Outline of ADI’s Platform Solution
►Select Measured Results
►The Eternal Question: Centralized vs. Distributed
►A Word on LIDAR
2
Motivation
3
Higher Performance RADARs are needed for Autonomous Driving
Advanced requirements for Autonomous Driving:
► More warning time and 360° detection
More power on target, lower NF & phase noise
► High resolution & high unambiguity superior imaging
Many hits per target R,V, 𝜃, 𝜙
More detailed information of the scene and content
► Interference Mitigation
► Solution scalability to adopt to evolving requirements
► Highest levels of Functional Safety
This translates to high performance RADAR sensor requirements/challenges:
► +13dBm output power, over temperature
► Low phase noise (< -100dBc/Hz @ 1MHz)
► Low NF (<=13dB SSB)
► Broad FOV of antenna elements
► Fast chirps with high linearity supports high unambiguous velocity (10us / 1GHz)
Ultra fast settling (< 1us) supports fastest retrace time
4GHz chirp 3.75cm resolution
► Flexible waveform generation
Beam steering, phase coding, etc.
► Scalable for higher channel count
Phase & ADC synchronization
4
Outline of ADI’s Platform Solution
5
BasebandDiscretes for
24GHz and 77GHz
24GHzSiGe-BiCMOS
Chipset
7xGHz28nm CMOS
System Solution
YESTERDAY TODAY TOMORROW
ADI’s Automotive RADARMaking Tomorrow’s Cars Safer
Scalable 28nm CMOS
Technology Platform
Targeted to next-generation 7xGHz ADAS
and Autonomous Driving applications
2014:
Release of 24GHz
RF TRx MMICs that
complement a full
signal chain solution
Portfolio to support
24GHz and 77GHz
solutions
6
ADI products will more reliably detect smaller objects further away and in heavily congested
areas – allowing critical extra time to execute evasive actions to avoid injuries or fatalities.
ADI’s 76-81GHz 28nm CMOS Radar Technology Platform Ensuring Highest Performance while Reducing Risk and Development Time
7
28nm CMOS RADAR
Technology
Platform
►28nm Process Node
Most aggressive process node for performance, power and cost
Ensures platform longevity
►CMOS Technology Highest degree of application-level flexibility
Allows RF integration for processing or pre-processing on chip
Flexible data interfaces for both centralized and decentralized processing
►Scalable Platform To Support USRR LRR Applications
Cascadable chips (1…N) for ultrafine angular resolution and high channel count applications
►76-81GHz Sweep Bandwidth
5GHz (4+1GHz) sweep yields 3cm range resolution for autonomous functions
►Integrated Functional Safety CapabilityADI Press Release
21 February 2017
28nmCMOS
RADAR
Integrated
Antenna
Option
Scalable
TxRx
Channels
and Power
Data link to
Central
ECU
Integrated
Processing
Power
Management
Integrated
Customer
IP Option
ADI’s 28nm CMOS RADAR Technology PlatformModular approach to scale across ADAS and Autonomous Driving Applications
8
Customized transceiver channel
configurations and output
power to optimize for cost, size,
and thermals
Enables customers to
integrate customized IP to
maintain differentiation
28nm process enables large
scale digital integration—up to
the complete RADAR
processing at lowest power and
cost
Nano-RADAR sensors enabled
through integrated antennas
Low cost data transport to a
center processor
Dedicated power management
solutions to ensure system
integrity and system
ISO26262 compliance
76-81GHz RADAR
76-81GHz CMOS RADAR – Scalable PlatformReduces Design Risk and Time with Robust Radar Performance
9
Ultrashort range up
to 40mUltrasonic replacement, parking,
side crash detect
Short range up
to 70mAEB city, blind spot,
LCA, low end CTA
Mid range up to
150mAEB city, blind spot, LCA, CTA
Mid and Long range
up to 250mAEB city/urban, ACC
Integrated
Antenna
Option
Raw Data
Interface
Integrated
Processing
Power
Management
Scalable
TxRx
Channels
and Power
Raw Data
Interface
Integrated
Processing
Power
Management
Scalable
TxRx
Channels
and Power
Power
Management
External
ProcessorExternal
Processor
Scalable
TxRx
Channels
and Power
Power
Management
Scalable
TxRx
Channels
and Power
28nm CMOS
RADAR28nm CMOS
RADAR
28nm CMOS
RADAR 28nm CMOS
RADAR28nm CMOS
RADAR
ADI’s 77/79GHz RADAR PlatformSystem Functional Safety
►SEooC development is targeting ASIL-B and ASIL-B(D) applications
►Use cases derived from Euro NCAP emergency braking
►Full system comprehension...DBB, RFIC, PMIC
►Lockstep signal chain for ramp sequencing and generation
►On-chip capability to support BIST and other self-testing
►Many Hardware Detectors to detect system “health“
10
Select Measured Results
11
Key Differentiators with 28nm CMOSConfirmed in Silicon
ADI’s
SpecsCustomer (Tier1/OEM) Value
High PA output
Power over Temp+13dBm
Longer detection range, targets seen sooner, better pedestrian
detection, reduced false detects
Superior Phase
Noise over Temp-100dBc/Hz@1MHz
Better detection of small objects (e.g. children) in presents of large
objects, targets seen sooner
Highest Modulation
BW4+1GHz = 5GHz
Supports ultra high resolution apps like parking and door opening radars
Large Baseband
BW16b, 50MSPS/channel
Detects more targets at longer ranges, enables faster decision making,
better tracking of objects for mid to short range
12
The Eternal Question:
Centralized vs. Distributed
13
Example Signal Processing FlowCentralized or Not Centralized…That is the Question! Answer: Both, Please.
14
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Decis
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High Bandwidth Link
►, >>1 Gbps
►, ~100Mbps or more
►, 1-2Mbps
A Word on LIDAR
15
ADI’s Automotive LIDARMaking Tomorrow’s Cars Safer
►LIDAR is absolutely fundamental to next-
generation ADAS and Autonomous Driving
applications
►ADI’s Solid-State LIDAR Scanning System
closely mimics a human driver’s eyes
Intelligent Adaptive Scanning
Full scene, to narrow / high resolution areas
of interest
►2016: Vescent Photonics acquisition brings
in key solid-state beam-steering technology to
ADI
16
ADI’s 70m System Demonstrator
17 Analog Devices Confidential Information
Thank You
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