Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [Proposed Technical Requirements for mm-Wave WPAN ] Date Submitted: [ 15 September 2003] Source: [Yuichi Shiraki] 　　　　　　 Company [Oki Electric Industry Co., Ltd.] Address [3-4 Hikari-no-oka, Yokosuka, Kanagawa 239-0847, Japan] Voice:[+81-46-847-5148]　Fax :[+81-46-847-5149]　E-Mail:[shiraki492@oki.com] [Kiyoshi Hamaguchi, Yozo Shoji and Hiroyo Ogawa] Company [Communications Research Laboratory] Address [3-4, Hikarino-Oka, Yokosuka, Kanagawa, 234-0051, Japan] Voice:[+81.46.847.5073], FAX: [+81.46.847.5079], E-Mail:[hamaguti@crl.go.jp] Re : [] Abstract:[Description of Proposed technical requirements for mm-Wave WPAN ] Purpose:[Contribution for millimeter-wave interest group ] 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. Yuichi Shiraki Oki

2. Proposed Technical Requirements formm-Wave WPAN Yuichi Shiraki Oki

3. Advantages of mmW system compared to UWB • Coexistence • System design • others Yuichi Shiraki Oki

4. Advantages of mmW system compared to UWB Coexistence • No interference to other systems in microwave band because of large frequency difference • Good coexistence among mmW systems because of both larger path-loss and attenuation for diffraction waves, compared to microwave band systems Yuichi Shiraki Oki

5. Advantages of mmW system compared to UWB System Design • Exploitation of antenna directivity to obtain longer transmission distance and higher interference immunity (UWB may be not allowed a use of high gain antenna) • Simple modulation/demodulation (Spread spectrum schemes are essential for UWB) • Simple signal processing (For UWB, complex technologies such as rake-receiver, or high frequency A/D, D/A converter and DSP will be needed for signal processing) Yuichi Shiraki Oki

6. Advantages of mmW system compared to UWB System Design (Con’t) • Poorer frequency stability; i.e., within +/-500ppm • ( An effective “self-heterodyne technique” is available for mmW system) Yuichi Shiraki Oki

7. Advantages of mmW system compared to UWB Other items • Higher speed transmission; i.e., more than 1Gbps • Simple spectrum mask (UWB is limited by FCC spectrum mask. Also to avoid interference to existing systems, UWB spectrum mask is separated to multi-bands) • Effective usage of frequency bandwidth which depends on the demand of transmission rate Yuichi Shiraki Oki

8. mm-Wave WPAN System PHY Requirements (1) TG3a Alt-PHY Technical Requirements (IEEEP802.15-02/371) mm-Wave WPAN System • 110Mbps@10m • 200Mbps@4m • 480Mbpsor more (range not specified) • More than 1Gbps@10m more over Bit Rate and Range Transmission EIRP • Less than Regulatory emission level • Less than Regulatory emission level • Uncomplicated coexistence with other 802 systems including TG3a , Bluetooth,etc • Coexistence among mm-Wave System • Simple spectrum mask is desirable • Robustness in multipath (indoor) Coexistence and Interference Resistance • Coexistence with other 802, Bluetooth,etc • Robustness in multipath (indoor) Channel model • Specified by IEEE P802.15-02/368 • To be specified with experimental • investigations Yuichi Shiraki Oki

9. mm-Wave WPAN System PHY Requirements (2) TG3a Alt-PHY Technical Requirements (IEEEP802.15-02/371) mm-Wave WPAN System • 100mW or less @100Mbps • 250mW or less @200Mbps • Power save function • To be specified Power consumption • Capable of fitting into a form factor • consistent with a camera,PDA,etc • Capable of fitting into a form factor • consistent with a camera,PDA,etc Form factor Complexity • Minimal to enable mass commercial • adaptation for cost sensitive products • Minimal to enable mass commercial • adaptation for cost sensitive products • Poorer frequency stability: • within +/-500ppm • Simple signal processing • Alt-PHY operates with the 802.15.3 MAC • without fundamental changes. • (Supplements can be added which • expand the capability of the system.) Supplements to 802.15.3 functionality • Alt-PHY operates with the 802.15.3 MAC • without fundamental changes. Yuichi Shiraki Oki

10. mm-Wave WPAN System PHY Requirements (3) TG3a Alt-PHY Technical Requirements (IEEEP802.15-02/371) mm-Wave WPAN System • Comply with necessary geopolitical or • regional regulations • Comply with necessary geopolitical or • regional regulations Regulatory Other item directionality of antenna • Assumption of Omni-directional antenna • No exclusion of directional antenna • if needed to mitigate specific user problems Yuichi Shiraki Oki

11. Conclusion • Advantages of mmW WPAN system compared to USB have been introduced. • Proposed mm-Wave WPAN technical requirements have been updated from view point of advantages of mmW WPAN system. Yuichi Shiraki Oki