The First CMOS SoC of 77GHz mmwave Sensor Used in Automotive and Industrial. 2017/11/15-16 TI Jesse Wang

Transcription

1 The First CMOS SoC of 77GHz mmwave Sensor Used in Automotive and Industrial 2017/11/15-16 TI Jesse Wang 1

2 Agenda Technology Overview TI 77GHz mmwave introduction Core Applications Automotive Industrial Automotive & Industrial Applications Example & TI solution Development tool Measurement Joint-Test with Rohde & Schwarz 2

3 Basics of FMCW (Frequency Modulation Continue Wave) IF frequency IF frequency = Tx frequency Rx frequency By working with FFT on these IF signals to get Range, Velocity, Angle information of detecting object The fundamentals of millimeter wave sensors,

4 mmwave Sensors Technology Overview What is mmwave sensing mmwave is the band of spectrum between 30GHz and 300GHz Electromagnetic waves used for sensing, imaging and communications mmwave sensors measure with high accuracy range, velocity and angle of remote objects When to use mmwave sensing? High precision range measurement tank level probing, displacement sensing, and vibration monitoring Smarter infrastructure occupancy sensing, traffic monitoring, lighting control, gesture recognition Advanced navigation for drones and robotics sense and avoid, landing assistance, collision avoidance, ground speed sensing Automotive - Adaptive cruise control, automatic emergency brake, lane change assist, and more Why Now? mmwave technology is robust against environmental influences such as bad light and weather conditions and extreme temperatures RFCMOS technology enables analog/digital integration in a single low-power, small, single-chip solution Highly linear signal generation, ultrawide resolution, robust calibration/monitoring, and more for unprecedented accuracy in RF sensing 4

5 The last 7 years Kickoff Kilby Radar Test Chip 1 Test Chip 2 Test Chip 3 AWR1243 AWR GHz single chip embedded antenna 77 GHz Module level circuits GHz Single chip Package variant 1 Package variant 2 Embedded Antenna Field Trials GHz Module level circuits Final tune Model matching GHz Single Chip Transceiver Production intent Sampling Now MP in Q GHz Single Chip Radar Production intent Sampling Now MP in Q

6 TI Single-Chip CMOS Radar SiGe BiCMOS SiGe BiCMOS PCB PCB CMOS Discrete Multi-Chip mmwave Sensor Discrete solution expensive Complex and critical signal routes Unconventional packaging Prone to noise Lack of system level observability Crude implementation of RF and Baseband safety PCB TI Single-Chip mmwave Sensor Smaller in size Simpler design Built in monitoring and calibration (SIL) High Resolution, less false positives Programmable core Lower Power 6

7 Delivering mmwave sensing solutions SILICON mmwavesdk I N D U S T R I A L ECOSYSTEM PARTNERS mmwave SOC mmwavestudio TOOLS & KITS A U TO M O T I V E TRAINING TI DESIGNS SUPPORT A N A LY T I C S M A C H I N E V I S I O N 7

8 mmwave Sensors Presence on ti.com Find mmwave through Sensor Portal mmwave Portal: Each title will drive to unique landing pages for Auto and Industrial Automotive radar Industrial radar Find mmwave through Applications Get the training / support / Labs 8

9 mmwave sensing applications Beyond Automotive Automotive Adaptive Cruise Control Automatic Emergency Brake Lane Change Assist Blind Spot Detection Level Probing Building Automation Traffic Monitoring Factory Automation Precision Measurement Occupancy Sensing Perimeter Surveillance Drones Vibration Monitoring Gesture Recognition Vital Sign Monitoring Industrial Transport & Robots 9

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11 Applications Single chip solution Works with external MCU/DSP 150 m + RCS: 10 50sqm Adaptive Cruise Control Automated Highway Driving AWR m 150 m RCS: 1 10sqm Automated Emergency Braking Automated Urban Driving AWR m 100 m RCS: 0.1 1sqm Pedestrian Detection Bicyclist Detection BSD, RCA, LCA AWR m 20 m RCS: 0.1sqm Proximity warning Parking Stop and Go Traffic AWR1443 AWR cm 5 m RCS: micro sqm Proximity warning Chassis sensors Gesture detection Driver monitoring Occupant detection AWR1443 AWR

12 Enabling Innovation in ADAS AWR1642 Ultra short / Short range (USRR/SRR) Imaging / cascading radar Small, low power single chip solution AWR1642 Cost optimized BOM cheaper PCB, better yield Single chip radar, monolithic processing through RF/analog samples to object detection Power consumption as low as 2W leads to lighter housing Blind spot detection, pedestrian/bicyclist detection, park assist, lane change assist, forward/rear collision avoidance AWR m m Parameter Far Range Near Range Max Range 100 m 10 m Range Resolution 40 cm 4 cm Max Velocity 90 kmph* 30 kmph Velocity Resolution 1 kmph 1 kmph RCS 1 Sq m ( Pedestrian, pole) Horizontal FOV 120 deg 160 deg Vertical FOV 10 deg 30 deg 0.1 Sq m (Traffic cone, wire mesh) 12

13 Enabling Innovation in ADAS AWR1243 Ultra short / Short range (USRR/SRR) Imaging / cascading radar High performance, low power radar front end AWR MHz IF bandwidth for 200+m range and 300km/hr unambiguous max velocity Built-in circuitry for seamless cascading of multiple AWR1243 Angular resolution as low as 0.6 in the azimuth and vertical direction Urban driving, automated highway driving, full-range radar (FRR) Parameter Long Range Mid Range Max Range 250 m 170 m Range Resolution 2m 40 cm Max Velocity 300 kmph 300 kmph 1-4x AWR Velocity Resolution 1 kmph 1 kmph RCS Sqm (Car, truck) 5-10 Sqm (Motorbike, car) Horizontal FOV m 250 m Vertical FOV

14 Sensor configuration with TI mmwave solutions IMAGING CORNER/MRR LRR SRR USRR Proximity AWR1243 AWR1243 AWR1243 AWR1243 AWR1243 AWR1243 AWR1243 Processor Processor Processor AWR1642 AWR1642 AWR1443 Satellite Configuration Processor CANFD AWR1642 AWR1642 AWR1642 AWR

15 Automotive mmwave Sensors 4RX 3TX AW R Calibration, Monitoring Engine Synth CSI2 SPI 4RX 3TX AW R Calibration, Monitoring Engine Synth R4F Radar Acc 576KB CAN SPI 4RX 2TX AW R Calibration, Monitoring Engine Synth R4F C674x 1.5MB CAN FD CAN SPI Crypto HIL Radar Sensor Use Cases Imaging Radar Sensor 2x AWR12 (cascade) + External DSP 4x AWR12 (cascade) + External DSP Radar Sensor + HW Accelerator Use Cases Entry-level Single-chip Radar Proximity warning, Blind spot Radar Sensor + DSP Use Cases USRR Single Chip Radar 160 Degree, 40m SRR Single chip Radar 120m Cross traffic Alert 15

16 AWR1x Software Deployment TI code TI Partner code Customer code ISO enabled code ECU mmwave Studio(PC) Device Firmware Package (DFP) AWR1x Raw Data Capture Application TDA3x Radar SDK Device Firmware Package (DFP) Master or Slave AWR Processor CSI2, SPI, I2C, FPD mmwavesdk TI RTOS Application Custom RTOS CAN,CANFD Device Firmware Package (DFP) AUTOSAR RTE MCAL AWR1443 / AWR1642 Development 16

17 AWR Design Kit AWR1243 AWR1443 AWR1642 Silicon Sample: RTM: Q Sample: RTM: Q Sample: RTM: Q EVM TI(Ecosystem partner) built reference HW RF tool Signal Path analysis, Radiative measurements HDK Reference Schematic/Layout, BOM, RF Model, Thermal Model SDK Firmware, Device drivers, Operating system, Development environment 17

18 AWR Hardware Platforms A W R / A W R E V M A W R T S W A W R T D A 3 x A W R / A W R S e n s o r m o d u l e 85 x 65mm 51 x 32mm 34 x 38mm Enables evaluation of single chip radar Proximity sensor demo on AWR1443 EVM SRR demo on AWR1642 EVM Enables RF performance evaluation Raw ADC capture into PC and then post process mmwave Studio to visualize object range/velocity/angle Enables radar algorithm and MRR/LRR application development on TDA3x Enables vehicle validation/demonstration Enables radar algorithm and proximity/srr application development on AWR1443/ AWR1642 Enables vehicle validation/demonstration 18

19 Delivering the most precise sensors in CMOS Enabling Level 2 and above Small footprint Highly configurable Single-chip, integrated analog and digital, Automotive-friendly package Versatile intelligence Flexible sensing for longrange, mid and short-range applications, including multimode Low power Ultra high resolution Self monitoring & calibration, Complex/IQ architecture Interference detection Scalability Scalable power consumption to meet demanding applications such as 4-20mA sensors Wide RF BW, 0.01% Chirp linearity Scalable digital performance, high-resolution analog cascading 19

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21 Industrial Transport / Robotics Obstacle Detection Typical Range Typical Velocity Warehouse Use Case ~ 5 m < 5 m/sec Range accuracy Range resolution Velocity accuracy Velocity resolution Angle accuracy Typical Device Performance 2 cm 10 cm (@2 GHz chirp BW) 1 cm/sec 5 cm/sec Interference Rejection : The 2025 Parking lot 1 FMCW inherently robust to interference Chirp based timing randomization Binary phase modulation Warehouse Floor Pickup Robot Pickup Robot 21

22 mmwave in Building Automation Motion Detectors People Counting Automated Doors & Gates IP Network Camera GOAL: Robust, small form-factor detection and sensing of people near buildings, cameras, and doors Advantages Robust to false detection/movements with integrated processing Radar information can give position and velocity easy background subtraction, movement classification Robust to environment lighting, temperature, moisture No camera or lens for privacy-conscience applications Sparse data set requires lower processing requirements Challenges Angular resolution of radar is poor, complex scenes require algorithms to decipher Power consumption for wireless, battery-powered sensors Cost pressure versus incumbent technologies such as 24GHz, ultrasonic, and PIR 22

23 TI mmwave in Traffic Monitoring TIDEP-0090 RFCMOS - Fully-Integrated design All mmwave sensing, radar processing and advanced algorithms can be performed on single chip High Performance mmwave radar can precisely determine object location and speed Can minimize or eliminate need for expensive video analytics for object localization, speed estimation, and classification Detection/measurement of objects at 100m+, velocities <200km/hr, across multiple lanes Insensitive to Environment Insensitivity to challenging environments such as fog, smoke, and changing lighting conditions. Flexibility of Solution TI mmwave supports multiple data output types to allow for greater flexibility and optimization in your system design 23

24 Value of TI mmwave in Drones Drone Sense and Avoid Overview Obstacle Detection and Avoidance (Power lines, buildings, trees etc) Autopilot Features : Positioning, Hovering, Object Tracking Landing Assist (Altitude measurement, Ground / water landing classification) Technologies used today Vision, Ultrasound, IR, LIDAR Limitations with current techniques : Low Range, Sensitivity to environmental conditions, Poor low/bright light performance, Low frame rates (except LIDAR) What makes mmwave sensing interesting Highly accurate, Long Range (80 m+), High frame rates Insensitive to environmental conditions such as dust, fog, low light or dazzling sunlight Supplement existing sensors with Radar for added Safety/Redundancy Radar/Vision Fusion - make all sensors smarter Power Line Detection Autonomous Landing 24

25 Beats per minute Beats Beats per per minute minute Displacement (mm) Displacement (mm) (mm) Range Capability demonstration Vital Stats Measurement Experimental Setup Lens Radar Lens used to increase the SNR Subject seated between 1-3 meters away from the Radar Subject asked to stay very still and have his/her back rested on the back of the chair Typical vital sign parameters Vital Signs (Adults) Chest displacement Frequency Breathing Rate 1-12 mm Hz Heart Rate mm Hz Remaining challenges: Separating breathing rate harmonics from heart beat Cancellation of body/limb movements 20 Time 25 Range Bins 30 corresponding 1 to the subject Unwrapped Phase Holding Holding Breathing Breath Breath Breathing Time 30(sec) Time 600 (sec) Breathing 1200 Rate Heart Spectrogram Rate Mean 0.4 Mean

26 Example Video Parking Lot 26

27 Industrial mmwave Sensors I W R I W R RX Calibration, Monitoring Engine R4F FFT 4RX Calibration, Monitoring Engine R4F C674x 3TX* Synth 576KB 2TX Synth 1.5MB SPI CSI2 LVDS CAN SPI LVDS CAN mmwave Sensor + HW Accelerator Use Case Entry-level Single-chip Sensor Power-optimized applications HW acceleration for limited processing * 2x TX simultaneously mmwave Sensor + DSP Use Cases Full functionality single-chip radar Increased on-board memory for higher range and resolution measurement On-chip DSP for advanced algorithms 27

28 IWR1xxx mmwave Signal Processing RF Front-End ADC ADC Data IWR1443 Pre- Processing (Interference Mitigation) 1 st Dim FFT (Range) 2 nd Dim FFT (Velocity) 3 rd Dim FFT (Angle Arrival) Detection Point Cloud [Range, Velocity, Angle] Clustering Tracking Object Classification Objects IWR

29 IWR Standard Offering Silicon Single-chip mmwave sensors Samples: RTM: 1Q18 Samples: RTM: 2Q18 Modules mmwave Sensors with integrated PCB antenna 2Q17 EVM OOBE demo, reference schematics/layout, BOM Hardware Collateral Datasheets, user guides, app notes, RF/thermal models Software Development Kit mmwavesdk, software collateral, visualization tools, flashing tools 29

30 IWR1x Evaluation Modules Platform for out of the box evaluation and rapid prototyping Includes reference schematics, layout, and BOM Interfaces: USB for debugging and emulation High-speed interface for raw ADC capture BoosterPack headers DevPack board for additional expansion 30

31 Modules for simplified production TX/RX ADC & Digital Discrete Multi-board mmwave Radar 3 rd Party Modules Full system-on-module (SOM) with mmwave SoC, Antenna, PMIC, Flash and other support ICs Samples and production quantities from 3P TI Single-Chip mmwave Sensor Module 31

32 mmwave Software Simplified evaluation and development mmwave SDK mmwave Examples mmwave Studio Includes: TI RTOS Drivers SPI CAN/CANFD LVDS / CSI-2 EDMA UART I2C GPIO Timers FFT HW Signal Processing Library On DSP On HW Accelerator MCU-DSP communication mmwaveapi mmwavelink SecDev (delivered separately) TI Designs: Proximity Sensor Short-Range Radar Power-Optimized Field Transmitter Traffic Monitoring Drone Sense and Avoid People Counting Examples: mmwavestudio (OOB) MSP4XX AMXX TDA/DM5 C2000 Labs: Water Vs Ground Lab Vital Sign Lab Includes: Visualizer visualize output (point-cloud and proximity grid) from the sensor on the PC Sensing Estimator define chirp configuration through abstracted parameters like max range, minimum range, etc Capture capture raw RF data from the capture HW onto the PC 32

33 Measurement 33

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35 Joint-Test between Rohde & Schwarz and Texas Instruments through FSW Signal Analyzer

36 Thank You & Questions 36