Agenda. Time Module Topics Covered. 9:30 11:00 Wireless Technologies that Enable the Connected Car

Transcription

1 Agenda Time Module Topics Covered 9:30 11:00 Wireless Technologies that Enable the 11:00 12:00 V2X: Car-to-X Communication ( and LTE-V) Cellular, Wifi, Automotive Radar, BlueTooth, GNSS, NFC, WPC/TPS/RKE V2X: Car-to-X Communication (802.11p and LTE-V) 12:00 1:00 Lunch / Product Fair 1:00-2:30 Wireless Applications for the VoLTE, Virtual Drive Test, User Experience, 5G, IoT 2:30 3:00 TDR/BroadR 3:00-3:15 Wrap-up and Drawing 2016 Connected Car Seminar Page 1

2 Seminar Automotive Ethernet PHY Compliance Solutions May 2016 Yoji Sekine Marketing Engineer Communications Solutions Group Kobe, Japan

3 Topics Automotive Ethernet Overview Transmitter Testing Link Segment Testing FAQ: TDR Scope or VNA? Summary, Q&A

4 Automotive Ethernet The need for speed Advanced driver assistance systems (ADAS), infotainment, and connectivity have increasing requirements on the bandwidth availability. (Source: OPEN Alliance web site (Source: Seminar (May 2016) Page 4

5 OPEN (One Pair Ethernet) Alliance 100Mbps Ethernet Physical Layer The OPEN Alliance was formed to enable wide scale adoption of Ethernet connectivity as the standard in automotive networking applications. Key Goal: Establish 100Mbps BroadR-Reach specification as industry standard Seminar (May 2016) Page 5

6 Wiring Harness 3rd heaviest and 3rd most costly component in a car Unshielded Twisted Pair (UTP) (Source: OPEN Alliance web site (Source: Seminar (May 2016) Page 6

7 What is BroadR-Reach Ethernet? Replace the PHY, nothing else changes (Source: OPEN Alliance web site Seminar (May 2016) Page 7

8 Topics Automotive Ethernet Overview Transmitter Testing Link Segment Testing FAQ: TDR Scope or VNA? Summary, Q&A

9 Keysight Automotive Applications InfiniiVision Oscilloscopes Infiniium Oscilloscopes CAN, LIN, FlexRay triggering and decode CAN Eye-diagram mask testing CAN, LIN, FlexRay triggering and decode User-definable application (CAN signal quality testing) N6466A MOST50 and MOST150 Compliance Application N6467A BroadR-Reach Compliance Application Probing N2783L 100 MHz current probe (5m cable) N5450A high-temperature extension cables for InfiniiMax probes N2820/N2821A high-sensitivity current probes Seminar (May 2016) Page 9

10 BroadR-Reach Transmitter Test Overview Test Items Test Items Test Equipment Output Droop oscilloscope Distortion oscilloscope and signal source Timing Jitter oscilloscope Power Spectral Density (PSD) oscilloscope or spectrum analyzer Clock Frequency oscilloscope Transmitter Output Droop PSD Limits Test Challenge: Requires detailed knowledge and understanding of several instruments. Seminar (May 2016) Page 10

11 N6467A BroadR-Reach Compliance Application The automated test engine guides you quickly through selecting and configuring tests, setting up the connection, running the tests, and viewing the results Tabs along the side and top guide the user to the next logical step Easy to use interface with specific tests categorized by test mode. You can easily select individual tests or groups of tests with a mouse-click. Click on the test for limits, description, and location in specification. Seminar (May 2016) Page 11

12 N6467A BroadR-Reach Compliance Application Configurability and guided connections The configure tab allows the user to select different channels and other measurement attributes. When the connections must be changed, the software prompts you with connection diagrams. For example, the signal input can be changed from a differential probe to SMA cables. Each connection is clearly identified for the user including additional hardware and cables. Seminar (May 2016) Page 12

13 N6467A BroadR-Reach Compliance Application Reports with margin analysis The HTML report documents your test and indicates the pass/fail status, test specification range, measured values, and margin. Clicking on a specific test also shows the test specification and a measurement waveform, if appropriate. Margins and thresholds can be changed to reflect current design model testing. Yellow is marginal, while red indicates the spec threshold has been broken. Seminar (May 2016) Page 13

14 N6467A BroadR-Reach Compliance Application Reports with margin analysis Additional details are available for each test: test limits, test description, and test results (including waveforms, if appropriate). Seminar (May 2016) Page 14

15 N6467A BroadR-Reach Compliance Application Saves you time You don t need to be an expert on every instrument Full automated control of the oscilloscope spectrum analyzer signal source Saves you money on analysis software No extra cost for software analysis tools, such as EZJIT+ and SDA. A savings of $18K USD. HTML results can be displayed on any computer that has Internet Explorer. No need to have a oscilloscope to see reports. The N6467A application will calibrate, setup, and run the hardware for you so you don t have to be an expert, saving you time and money!!! Seminar (May 2016) Page 15

16 Topics Automotive Ethernet Overview Transmitter Testing Link Segment Testing FAQ: TDR Scope or VNA? Summary, Q&A

17 BroadR-Reach Link Segment Test Overview Test Items 7.1 Cabling System Characteristics Characteristic Impedance Insertion Loss Return Loss Mode Conversion 7.2 Noise Environment Power Sum Alien Near End Crosstalk (PSANEXT) Power Sum Alien Attenuation to Crosstalk Ratio Far End (PSAACRF) Test Challenge: requires measurements in both time and frequency domains Seminar (May 2016) Page 17

18 Link Segment Test Solution BroadR-Reach link segment testing requires parametric measurements in both time and frequency domains. Frequency Domain Insertion Loss (Sdd21) Return Loss (Sdd11) Mode Conversion (TCT, TCTL) Alien Crosstalk (PSANEXT, PSAACRF) Traditional Solution Vector Network Analyzer (VNA) New Solution ALL parameters can be measured with ENA Option TDR One-box solution Time Domain Characteristic Impedance (TDR) TDR Scope Seminar (May 2016) 18 Page 18

19 Link Segment Test Measurement Example Seminar (May 2016) Page 19

20 BroadR-Reach Link Segment Test Solution Typical Configuration ENA Mainframe E5071C-440: 4-port, 9kHz to 4.5GHz E5071C-445: 4-port, 100kHz to 4.5GHz Enhanced Time Domain Analysis Option (E5071C-TDR) ECal Module (N4431B) Note: The list above includes the major equipment required. Please contact our sales representative for configuration details. Method of Implementation (MOI) document and instrument setup file are available for free download on Keysight.com Seminar (May 2016) Page 20

21 Topics Automotive Ethernet Overview Transmitter Testing Link Segment Testing FAQ: TDR Scope or VNA? Summary, Q&A

22 VNA or TDR Scope? I already have a TDR oscilloscope. Do I really need a VNA? Measurement domain VNA Display domain Frequency Domain TDR Scope Time Domain Seminar (May 2016) Page 22

23 Time Domain and Frequency Domain Measurements Using Fourier Transform techniques, the time domain response can be mathematically transformed into the frequency domain response and back again without changing or losing any information. Seminar (May 2016) Page 23

24 VNA or TDR Scope? Measurements (Modes) VNA ENA Option TDR TDR Scope Frequency Domain (S-parameters) Yes Yes Yes Time Domain (TDR/TDT) Yes Yes Yes Eye Diagram / Mask Testing No Yes (simulated) Yes (live) Oscilloscope No No Yes Jitter Analysis No No Yes Features VNA ENA Option TDR TDR Scope Speed and Accuracy Best Best Fair ESD Robustness Best Best Fair Simple and Intuitive Operation Fair Yes Yes Seminar (May 2016) Page 24

25 What is ENA Option TDR? The ENA Option TDR is an application software embedded on the ENA, which provides an one-box solution for high speed serial interconnect analysis. Time Domain Frequency Domain 3 Breakthroughs for Signal Integrity Design and Verification Eye Diagram Simple and Intuitive Operation Fast and Accurate Measurements ESD protection inside High ESD Robustness Seminar (May 2016) Page 25

26 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive Similar look-and-feel to TDR scopes Intuitive operation even for users unfamiliar to vector network analyzers and S-parameter measurements. Fast and Accurate ESD Robustness ESD protection inside Seminar (May 2016) Page 26

27 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive Setup Wizard Guides the user through all of the steps, making setup, error correction and measurement intuitive and error-free. Fast and Accurate 4 steps!! ESD Robustness ESD protection inside Seminar (May 2016) Page 27

28 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive DUT: 50 Ohm pattern Fast and Accurate ENA Option TDR TDR Scope 1 ohm/div 1 ohm/div ESD Robustness ESD protection inside VNA Based TDR measurements = Low Noise Seminar (May 2016) Page 28

29 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive DUT: 50 Ohm pattern Fast and Accurate ENA Option TDR TDR Scope 1 ohm/div Averaging 1 ohm/div ESD Robustness ESD protection inside Averaging can lower noise BUT Seminar (May 2016) Page 29

30 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive DUT: 50 Ohm pattern Fast and Accurate ENA Option TDR TDR Scopes 1 ohm/div Averaging 1 ohm/div ESD Robustness ESD protection inside Real-Time Analysis Seminar (May 2016) Page 30

31 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive Fast and Accurate ESD Robustness ESD protection inside Seminar (May 2016) Page 31

32 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive TDR Scope ENA Option TDR Fast and Accurate [Source] Source power rapidly decreases with increase in frequency => loss of accuracy for higher frequencies [Source] Source power leveled and constant across entire frequency range => NO loss of accuracy for higher frequencies ESD Robustness ESD protection inside [Receiver] Broadband All noise up to the bandwidth of the system is observed =>NO noise reduction [Receiver ] Narrowband Noise attenuated in stopband of filter => Noise reduction For further details (including mathematical analysis), refer to the White Paper Comparison of Measurement Performance between Vector Network Analyzer and TDR Oscilloscope ( EN). Seminar (May 2016) Page 32

33 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive TDR Scope Difficult to implement protection circuits inside the instrument without sacrificing performance. Fast and Accurate In addition, protection diodes cannot be placed in front of the sampling bridge as this would limit the bandwidth. This reduces the safe input voltage for a sampling oscilloscope to about 3 V, as compared to 500 V available on other oscilloscopes. Tektronix ApNote XYZ of Oscilloscopes, p17 (02/09, 03W ) ESD Robustness ESD protection inside External ESD protection module (80A02) available, but rise time is degraded. Single-channel protection and plugs into sampling mainframe $4K USD / module Reflected rise time when used with 80E04: 28ps -> 37ps Seminar (May 2016) Page 33

34 Three Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive ENA Option TDR ESD protection circuits inside the instrument Fast and Accurate ESD Robustness ESD protection inside Higher robustness against ESD, because protection circuits are implemented inside the instrument for all ports, while maintaining excellent RF performance. Proprietary ESD protection chip significantly increase ESD robustness, while at the same time maintaining excellent RF performance (22ps rise time for 20GHz models). To ensure high robustness against ESD, ENA Option TDR is tested for ESD survival according to IEC801-2 Human Body Model. Seminar (May 2016) Page 34

35 The ENA Option TDR application Provides one-box solution for high speed serial interconnect analysis Time domain Frequency domain Eye diagram Brings three breakthroughs for signal integrity design and verification Simple & Intuitive Operation Fast & Accurate Measurements ESD Robustness Seminar (May 2016) Page 35

36 Topics Automotive Ethernet Overview Transmitter Testing Link Segment Testing FAQ: TDR Scope or VNA? Summary, Q&A

37 BroadR-Reach Physical Layer Test Keysight solutions listed in Open Alliance equipment list Automotive Ethernet Tooling (Update: ) Keysight has the tools and expertise to help you conquer BroadR-Reach Physical Layer Test Challenges Seminar (May 2016) Page 37

38 Seminar (May 2016) Page 38

39 Ethernet Compliance Applications N6468A SFP+ Ethernet Compliance Application N8814B 10GBASE-KR Ethernet Backplane Compliance Application N8815A 10GBASE-KR 64B/66B Ethernet Backplane Decoder N5392B 10/100/1000BASE-T Standard and Energy Efficient Ethernet Compliance Application U7236A 10GBASE-T Ethernet Electrical Conformance Application N5431A XAUI Electrical Validation with 10GBase-CX4, CPRI, OBSAI, and Serial RapidIO Support N6467A BroadR-Reach Compliance Application N8828A 40GBASE-CR4 and 100GBASE-CR10 Compliance Application N8829A 100GBASE-KR4 Compliance Application N8830A 100GBASE-CR4 Compliance Application Seminar (May 2016) Page 39

40 Additional Resources ENA Option TDR Reference Material Technical Overview ( EN) Application Notes Correlation between TDR oscilloscope and VNA generated time domain waveform ( EN) Comparison of Measurement Performance between VNA and TDR Oscilloscope ( EN) Effective Hot TDR Measurements of Active Devices Using ENA Option TDR ( EN) Measurement Uncertainty of VNA Based TDR/TDT Measurement ( EN) Accuracy Verification of Keysight s ENA Option TDR Time Domain Measurement using a NIST Traceable Standard ( EN) Method of Implementation (MOI) for High Speed Digital Standards Seminar (May 2016) Page 40

41 Agenda Time Module Topics Covered 9:30 11:00 Wireless Technologies that Enable the 11:00 12:00 V2X: Car-to-X Communication ( and LTE-V) Cellular, Wifi, Automotive Radar, BlueTooth, GNSS, NFC, WPC/TPS/RKE V2X: Car-to-X Communication (802.11p and LTE-V) 12:00 1:00 Lunch / Product Fair 1:00-2:30 Wireless Applications for the VoLTE, Virtual Drive Test, User Experience, 5G, IoT 2:30 3:00 TDR/BroadR 3:00-3:15 Wrap-up and Drawing 2016 Connected Car Seminar Page 41

42 Please complete your evaluation/product interest form! GoPro Camera and Spectrum and Network Measurements book drawing is next! 2016 Connected Car Seminar Page 42

43 2016 Connected Car Seminar Page 43