1. doc.: IEEE 802.15- Submission, Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Hitachi Cable ; Film Type Wideband Antenna for UWB Communication] Date Submitted: [03 March, 2004] Source: [Hisashi Tate], E-Mail:[tate.hisashi@hitachi-cable.co.jp], [Keisuke Fukuchi], E-Mail:[fukuchi.keisuke@hitachi-cable.co.jp] [Tomoyuki Ogawa], E-Mail: [ogawa.tomoyuki@hitachi-cable.co.jp] [Morihiko Ikegaya], E-Mail: [ikegaya.morihiko@hitachi-cable.co.jp] Company [Hitachi Cable, Ltd.], Address [880 Isagosawa, Hitachi, Ibaraki, 3191418 Japan] Voice:[+81-294-42-5021], FAX: [+81-294-42-4483] [Ken Takei], E-Mail: [takei@crl.hitachi.co.jp], Company [Hitachi, Ltd.] Address [1-280 Higashi-koigakubo Kokubunji-shi, Tokyo 1858601, Japan] Voice:[+81-42-323-1111], FAX[+81-42-327-7673] Re: [ ] Abstract:[ Small & High Gain Antenna for UWB with Omni-directional] Purpose:[Tutorial Contribution] Notice:This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release:The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15.

2. doc.: IEEE 802.15- Submission, Slide 2 Film Type Wideband Antenna for UWB Communication Hitachi Cable, Ltd. H. Tate, M. Ikegaya, T. Ogawa, K. Fukuchi Hitachi, Ltd. K. Takei

3. doc.: IEEE 802.15- Submission, Slide 3 Contents Introduction –Wireless LAN Antenna for Laptop PC –Simulation Technology of Multi Band Antenna Development of UWB Antenna –Basic Design of UWB Antenna –Measurement Results Conclusion & Next Step

4. doc.: IEEE 802.15- Submission, Slide 4 W-LAN Antenna for Laptop PC Bluetooth LAN Introduction - Suitable for IEEE802.11a/b/g and Bluetooth - Thin Structure (30mm x 30mm x 0.2mm) - High Gain & Omni-directional - Self Ground Plane

5. doc.: IEEE 802.15- Submission, Slide 5 Return Loss & VSWR Introduction - Micro Coaxial Cable; OD 1.13mm, L=500mm - Time Domain (Gating) Return LossVSWR

6. doc.: IEEE 802.15- Submission, Slide 6 Average Gain (Horizontal Plane) Introduction 2GHz Band5GHz Band - Micro Coaxial Cable; OD 1.13mm, L=500mm

7. doc.: IEEE 802.15- Submission, Slide 7 Simulation Technology of Antenna Single Band Antenna Dual Band Antenna Introduction - Capability for Multi Band - Short developing term - Easy Customizing Radiator Design Open Stub Short Stub Simulation Technology Using Equivalent Circuit

8. doc.: IEEE 802.15- Submission, Slide 8 Target of UWB Antenna –Bandwidth ; 3GHz ~ 6GHz as first generation. -> VSWR < 2.0 –High average gain ; 0dBi (include cable & connector loss) –Omni-directional –Self-Ground Plane –Low Cost & Ready for Mass production

9. doc.: IEEE 802.15- Submission, Slide 9 Basic Design of UWB Antenna 234567 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) VSWR Image of VSWR Using Triple Band Technology to cover 3GHz to 6GHz Equivalent Circuit of Triple Band Photo of Radiator Patent Pending 123

10. doc.: IEEE 802.15- Submission, Slide 10 Return Loss & VSWR Measurement Result - Micro Coaxial Cable; OD 1.13mm, L=180mm - Time Domain (Gating) Normalized Bandwidth = 67% (3GHz/4.5GHz) Return Loss PropertyVSWR

11. doc.: IEEE 802.15- Submission, Slide 11 Measurement System of Antenna Properties Chamber Horn Antenna Sample (Free Space) Network Analyzer

12. doc.: IEEE 802.15- Submission, Slide 12 Radiation Pattern at 4.5GHz Measurement Result Polarization Vertical Horizontal Measurement at Horizontal Plane - Micro Coaxial Cable; OD 1.13mm, L=180mm 10 0 -10 -20 -30 -40 -50 -40 -30 -20 -10 0 10 Gain (dBi) 90 0 180 270 Measurement Plane

13. doc.: IEEE 802.15- Submission, Slide 13 Average Gain (Horizontal Plane) Measurement Result - Micro Coaxial Cable; OD 1.13mm, L=180mm

14. doc.: IEEE 802.15- Submission, Slide 14 Group Delay Measurement Result - Micro Coaxial Cable; OD 1.13mm, L=180mm

15. doc.: IEEE 802.15- Submission, Slide 15 Conclusion & Next Step Conclusion –Our new antenna covered from 3GHz to 6GHz. –Average gain was around 0dBi. (Coaxial Cable OD1.13mm, L=180mm) –Omni-directional & Self Ground Plane –Group Delay was 1.2ns within this region Next Step –Measurement of the Performance using real UWB System. –Increasing the Band Width up to 10GHz.