5/12/2019 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [modulation summary for TG4a] Date Submitted: [2 August 2005] Source: [Ismail Lakkis] Company [Wideband Access, Inc.] Voice:[+1 858 642 9114], E-Mail: [ilakkis@widebandaccess.com] Abstract: [Pulse Compression proposal] Purpose: [Assist the group in the selection of a modulation scheme] 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. Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Options I, II, III & IV Options I, II, III & IV are the result of collaboration with: Ismail Lakkis Wideband Access Inc. Saeid Safavi Wideband Access Inc. Andy Molisch Mitsubishi Electric Philip Orlik Mitsubishi Electric Zafer Sahinoglu Mitsubishi Electric Matt Welborn Freescale Semiconductor Shahriar Emami Freescale Semiconductor Francois Shin I2R Michael Mc Laughlin decaWave Ryuji Khono NICT Vern Berthour Time Domain Corp. Ismail Lakkis (Wideband Access, Inc.)

Bipolar & Ternary Scrambling 5/12/2019 Bipolar & Ternary Scrambling Ismail Lakkis (Wideband Access, Inc.)

Bipolar Burst & Burst PMM 5/12/2019 Bipolar Burst & Burst PMM Average PRF = 15.4375 MHz  Average PRI = 64.77 ns Target data rate (before FEC) = 1.93 Mbps Target data rate (after FEC) = 0.965 Mbps bit duration = 518.2 ns number of pulses per bit for a 1.93 MHz data rate = 8 ON pulses Option I: Bipolar burst for coherent Burst PPM for non-coherent Option II: Burst PPM + polarity for Coherent (2 bits/Symbol) Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Option I Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Option II Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Option III Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Option IV Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Receiver Structure Ismail Lakkis (Wideband Access, Inc.)

5/12/2019 Option V (NICT) Joint optimization of spreading rate and SOC rate (Super-Orthogonal Convolutional code) Improved performance over spreading followed by rate ½ convolutional code ? Ismail Lakkis (Wideband Access, Inc.)

Option VI: STM Time-Hopping (TH) Impulse Radio (IR) Flexible receiver: 5/12/2019 Option VI: STM Time-Hopping (TH) Impulse Radio (IR) Flexible receiver: Non-coherent (PPM) Coherent (PPM + BPSK) Extension: Diff. coherent (PPM + DBPSK) Ts Tc Tf +1 -1 Ismail Lakkis (Wideband Access, Inc.)

Option VI: STM System Parameters Frame levels (Nf) = 16 5/12/2019 Option VI: STM System Parameters Frame levels (Nf) = 16 Guard time/frame (Tg) = 14Tc = 28 ns TH sequence length (LPN) = 8 PN sequence (used in simulations) = [1,-2,3,-4,-2,3,-5,1] Symbol time (Tg + Nf *Tc) * LPN = 484.8 ns Ismail Lakkis (Wideband Access, Inc.)