Millimeter-wave wireless R&D status in Panasonic and future research

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1 Millimeter-wave wireless R&D status in Panasonic and future research 4th Japan-EU Symposium 19 th January, 2012 Michiaki MATSUO Kazuaki TAKAHASHI Panasonic corporation

2 Outline Panasonic s R&D activities on mmw wireless 60GHz Multi-Gbps Data Communication 79GHz Fine Resolution Sensor Future Research Data Communication Radar / Sensor Conclusion

3 Panasonic s R&D on mmw Wireless 60GHz Multi-Gbps Data Communication 2.5Gbps short-range wireless link for HD video contents CMOS chip device for mobile application 79GHz Fine Resolution Sensor Fine resolution radar for multiple target detection Outdoor vehicle/pedestrian sensor for infrastructure These work are partly supported by "The research and development project for expansion of radio spectrum resources" of The Ministry of Internal Affairs and Communications, Japan.

4 60GHz Multi-Gbps Data Communication 60GHz is allocated as unlicensed band for high speed data communication In Japan, 9GHz bandwidth becomes available as well as Europe Rich Contents can be easily handled through wireless 60GHz Freq. allocation (GHz) Japan Expanded (#) 2GHz BW is expanded in 2011 Use case scenario HD Contents Transfer HD Quick SYNC (Mobile PC,STB) HD Video Streaming Large screen HD Game (Mobile TV) EU US, Canada, Korea HD Easy Sharing (Mobile Mobile) Uncompressed & Low Latency Comparison with WiFi (11n) Transfer Time 2.4GB 30min HD WiFi (11n) 60GHz 3 min 10 sec Latency 300m sec 1.5 ms

5 60GHz Multi-Gbps Data Communication 5mm Low power consumption and small size are required for mobile applications 60GHz RF & PHY/MAC CMOS chipset is compliant on IEEE802.11ad /WiGig Prototype are designed for technology and concept demonstrations Demonstration Prototyping embedded in tablet Evaluation Board 2.5Gbps (PHY-SAP) by SC QPSK modulation RF: Direct conversion transceiver PHY/MAC: Simplified LDPC decoder & MAC APL: Demo for streaming and file transfer Some calibration & compensation techniques CMOS test chips ADCIQ DBB DACBUFIQ PHY/MAC RF Tx Rx Total Gain 19.4 db dbm 17.1 % Power Consumption 231 mw Total Gain -2.5 ~ +49 db NF@LNA 6.5 db IRR 31.4 dbc Power Consumption 174 mw π/2-qpsk, 2.5Gbps CH#3: 62.64GHz, Pout:5dBm EVM:15% (-16.3dB)

6 79GHz Fine Resolution Sensor 79GHz band is under consideration for wideband radar application Radar sensor is environmentally robust compared with optical sensor Small target can be detected by using wideband radar technique Application for infrastructure Sensor for DSSS (Driving Safety Support Systems) 5m Object No Object 40m 110 Multiple Vehicle/Pedestrian Range: 5~40m, 110deg Resolution:<20cm, 5deg Detection time: <100ms Sensor comparison UWB radar mmw radar Laser Infra Red Range area X O O O Range resolution O O O X Velocity detection O O X X Rain/fog condition O O X X

7 79GHz Fine Resolution Sensor Fine range/angle resolution is required to distinguish multiple targets Complementary coded PCR shows good range-sidelobe suppression System design and test are ongoing to realize sensor for smart cross section Test case System design Sensor Weak RCS strong RCS 5m car ped [db] FMCW radar Pulse compression radar Range [m] Equipment for outdoor experiment (60GHz) Range [m] Range [m] Complementary code PCR DoA estimation analysis Adoptive array antenna

8 Future R&D for Data Communication Key device for Entertainment life Data size of commercial and private contents becomes huge Portable devise can accept HD quality rich contents Mobile application is promising for mmw data communication Expected technology for high speed wireless link Enhancement of communication area High-gain beamforming by compact and low power consumption device Expansion of application Ultra-high speed short-range wireless link (> 10Gbps) Reconfigurable or multi-functional IC design (ex: IEEE802.11ah/ac/ad) Cutting-edge CMOS implementation technique (28/22nm or beyond) Exploring new frequency band for more wideband application (> 100GHz)

9 Future R&D for Radar / Sensor Key device for Safety, Security and ECO life Safety: monitoring kids around car, cliff failure, solitary old people, etc Security: watching out for illegal dump, suspicious action, etc ECO: intelligent control for traffic signal, street lamp, etc Expected technology for smart sensor Easy implementation & maintenance-free device Low power consumption and compact RF/antenna design technique Calibration and compensation technique for outdoor use Multiple sensor node cooperation Wide area detection technique like MIMO radar, Synthetic Aperture Radar Interference avoidance, coexistence technique Sensor networking for smart control System verification by demonstration experiment 79GHz band ITU-R coordination work

10 Conclusion Millimeter-wave wireless R&D activities for 60GHz data communication and 79GHz radar application are presented Wideband wireless application by exploiting millimeter-wave spectrum is attractive for comfortable future life in terms of entertainment, safety, security and ECO Development of compact, low power and low cost mmw wireless device including SoC & antenna is important for deployment and popularization Research for new spectrum exploration above 100GHz and development for implementation technique toward practical use are expected

11 Thank you for your kind attention