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UWB PHY Proposal for IEEE 802.15.4a Alt-PHY Project

This document presents a proposal for the UWB PHY for IEEE 802.15.4a Alt-PHY Project. It includes modulation schemes, sub-banding options, and mandatory/optional features.

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UWB PHY Proposal for IEEE 802.15.4a Alt-PHY Project

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  1. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [UWB PHY proposal for IEEE 802.15.4a Alt-PHY Project] Date Submitted: [16 Mar 2005] Source: [(1) Andy Molisch <A>, (2) Francois Chin <B>, (3) Matt Welborn <D>] Company: [(1) MERL, 201 Broadway, Boston, USA, (2)Institute for Infocomm Research, Singapore, (3)Freescale Semiconductor, 8133 Leesburg Pike, Vienna, VA, USA] Voice: [(1) +1 617 621 7500, (2) +65-68745687, (3) +1-703 269 3052] E-Mail: [(1) molisch@merl.com, (2) chinfrancois@i2r.a-star.edu.sg, (3) matt.welborn@freescale.com] Re: [Response to the call for proposal of IEEE 802.15.4a, Doc Number: 15-04-0380-02-004a ] Abstract: [UWB PHY proposal for IEEE 802.15.4a Task Group] Purpose: [For presentation and consideration by the IEEE802.15.4a committee] 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. Authors National Institute of Information and Communications Technology (NICT): Huan-Bang Li, Kenichi Takizawa, Kamya Yekeh Yazdandoost,Akifumi Kasamatsu,Shigenobu Sasaki, Shinsuke Hara, Makoto Itami, Tetsushi Ikegami, Ryuji Kohno Fujitsu Limited: Toshiaki Sakane Oki Electric Industry Co., Ltd.: Kiyohito Tokuda Hitachi, Ltd.: Akira Maeki, Ryosuke Fujiwara, Kenichi Mizugaki, Masayuki Miyazaki, Masaru Kokubo YRP Ubiquitous Networking Laboratory: Yasuyuki Okuma, Miki Hayakawa, Shinsuke Kobayashi, Noboru Koshizuka, Ken Sakamura

  3. Authors Freescale Semiconductor, Inc.: Matt Welborn decaWAVE, Ltd.: Michael Mc Laughlin Wideband Access, Inc.: Saeid Safavi, Ismail Lakkis Tennessee Technological University: Robert Qiu

  4. Authors Institute for Infocomm Research: Francois Chin, Xiaoming Peng, Sam Kwok, Zhongding Lei, Kannan, Yong-Huat Chew, Chin-Choy Chai, Rahim, Manjeet, T.T. Tjhung, Hongyi Fu, Tung-Chong Wong General Atomics: Naiel Askar, Susan Lin Thales & Cellonics: Serge Hethuin, Isabelle Bucaille, Arnaud Tonnerre, Fabrice Legrand, Joe Jurianto KERI & SSU & KWU: Kwan-Ho Kim, Sungsoo Choi, Youngjin Park, Hui-Myoung Oh, Yoan Shin, Won cheol Lee, and Ho-In Jeon Create-Net & China UWB Forum: Zheng Zhou, Frank Zheng, Honggang Zhang, Xiaofei Zhou, Iacopo Carreras, Sandro Pera, Imrich Chlamtac Staccato Communications: Roberto Aiello, Torbjorn Larsson, Jason Ellis Wisair: Gadi Shor, Sorin Goldenberg

  5. Authors CWC: Ian Oppermann, Alberto Rabbachin AetherWire: Mark Jamtgaard, Patrick Houghton CEA-LETI: Laurent Ouvry, Samuel Dubouloz, Sébastien de Rivaz, Benoit Denis, Michael Pelissier, Manuel Pezzin et al. STMicroelectronics: Gian Mario Maggio, Chiara Cattaneo, Philippe Rouzet & al. MERL: Andreas F. Molisch, Philip Orlik, Zafer Sahinoglu Harris: Rick Roberts Time Domain: Vern Brethour, Adrian Jennings French Telecom R&D: Patricia Martigne, Benoit Miscopein, Jean Schwoerer

  6. ABD • Points of Agreement • Modulation scheme should admit multiple classes of receivers • Transmitter based on deterministic pulse structures • Should allow reception by coherent, differentially-coherent (can be TR) and non-coherent receivers • Provision for homogeneous operation when membership supports it • Ternary modulation • Specific modulation format TBD • Sub-banding: • Center of three bands is mandatory • Other two optional • Wider bandwidth (1.5 GHz+) concentric with center band is optional • CDMA within frequency bands • Harmonic chip rate – integer relationship between center frequency and chip rate • Consider ways to avoid Japanese UNII band (shift band lower) • Integer-plus-half is also proposed, some concerns with DC balance • Maintain 3.1 corner • Constant PRF is desired as possible • Specific band plan - TBD • Cost effective reference frequency with appropriate PPM • Specific frequency and tolerance is TBD • Potential for optional chirp mode (at best, if and where allowed)

  7. Specific Mandatory/Option Breakdown • As noted on previous slide • Mandatory • ~500 center band • AM of 3.1-4.9 is 3.975 • GM of 3.1-4.9 is 3.877 • Center band frequency is TBD, but must be in [3.85 to 4.05] • Optional • 2 additional 500 MHz bands for FDM – center frequencies TBD • Wideband concentric with center specified above • Sub-GHz band • Chirp of some form (could be 2.4 GHz band – Merger E) • Non-coherent for homogeneous network (Merger C) • Add TH as additional SOP mechanism • Add chirp specifically for UWB as SOP mechanism • Add specific optional band > 6 GHz with guaranteed >1.5GHz BW • Support mode for higher data rates (few to 10 Mbps) • Other issues • Desire to have common packet for communications and ranging if possible • Multiple (2-few) PRF in band

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