March 2004 doc IEEE 802 15 15 04

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Project: IEEE P 802. 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 P 802. 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 P 802. 15. Submission 1 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Film Type Wideband Antenna for UWB Communication Hitachi Cable, Ltd. H. Tate, M. Ikegaya, T. Ogawa, K. Fukuchi Hitachi, Ltd. K. Takei Submission 2 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> 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 Submission 3 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Introduction W-LAN Antenna for Laptop PC LAN Bluetooth - Suitable for IEEE 802. 11 a/b/g and Bluetooth - Thin Structure (30 mm x 0. 2 mm) - High Gain & Omni-directional - Self Ground Plane Submission 4 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> Introduction doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Return Loss & VSWR Return Loss VSWR - Micro Coaxial Cable; OD 1. 13 mm, L=500 mm - Time Domain (Gating) Submission 5 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Introduction Average Gain (Horizontal Plane) 2 GHz Band 5 GHz Band - Micro Coaxial Cable; OD 1. 13 mm, L=500 mm Submission 6 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Introduction Simulation Technology of Antenna Open Stub Short Stub Single Band Antenna Simulation Technology Using Equivalent Circuit Radiator Design - Capability for Multi Band - Easy Customizing Submission Dual Band Antenna - Short developing term 7 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Target of UWB Antenna – Bandwidth ; 3 GHz ~ 6 GHz as first generation. -> VSWR < 2. 0 – High average gain ; 0 d. Bi (include cable & connector loss) – Omni-directional – Self-Ground Plane – Low Cost & Ready for Mass production Submission 8 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Basic Design of UWB Antenna 3. 0 VSWR 2. 5 1 2 3 2. 0 Equivalent Circuit of Triple Band 1. 5 Patent Pending 1. 0 2 3 4 5 Frequency (GHz) 6 7 Image of VSWR Using Triple Band Technology to cover 3 GHz to 6 GHz Photo of Radiator Submission 9 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Measurement Result Return Loss & VSWR Return Loss Property VSWR Normalized Bandwidth = 67% (3 GHz/4. 5 GHz) - Micro Coaxial Cable; OD 1. 13 mm, L=180 mm - Time Domain (Gating) Submission 10 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Measurement System of Antenna Properties Chamber Horn Antenna Sample (Free Space) Network Analyzer Submission 11 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Measurement Result Radiation Pattern at 4. 5 GHz 0 10 Polarization Vertical Horizontal 0 -10 -20 Gain (d. Bi) -30 -40 -50 270 90 -40 -30 -20 -10 0 10 - Micro Coaxial Cable; OD 1. 13 mm, L=180 mm Submission 180 Measurement at Horizontal Plane 12 Measurement Plane <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Measurement Result Average Gain (Horizontal Plane) - Micro Coaxial Cable; OD 1. 13 mm, L=180 mm Submission 13 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> Measurement Result doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Group Delay - Micro Coaxial Cable; OD 1. 13 mm, L=180 mm Submission 14 <Hisashi Tate>, <Hitachi Cable, Ltd. >

<March, 2004> doc. : IEEE 802. 15 -<15 -04 -0087 -00 -003 a> Conclusion & Next Step • Conclusion – Our new antenna covered from 3 GHz to 6 GHz. – Average gain was around 0 d. Bi. (Coaxial Cable OD 1. 13 mm, L=180 mm) – Omni-directional & Self Ground Plane – Group Delay was 1. 2 ns within this region • Next Step – Measurement of the Performance using real UWB System. – Increasing the Band Width up to 10 GHz. Submission 15 <Hisashi Tate>, <Hitachi Cable, Ltd. >