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Project: IEEE P 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:[ ],
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 P 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
Ismail Lakkis (Wideband Access, Inc.)

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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.)

3. Bipolar & Ternary Scrambling
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Bipolar & Ternary Scrambling
Ismail Lakkis (Wideband Access, Inc.)

4. Bipolar Burst & Burst PMM
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Bipolar Burst & Burst PMM
Average PRF = MHz  Average PRI = ns
Target data rate (before FEC) = Mbps
Target data rate (after FEC) = Mbps
bit duration = 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.)

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Option I
Ismail Lakkis (Wideband Access, Inc.)

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Option II
Ismail Lakkis (Wideband Access, Inc.)

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Option III
Ismail Lakkis (Wideband Access, Inc.)

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Option IV
Ismail Lakkis (Wideband Access, Inc.)

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Receiver Structure
Ismail Lakkis (Wideband Access, Inc.)

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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.)

11. Option VI: STM Time-Hopping (TH) Impulse Radio (IR) Flexible receiver:
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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.)

12. Option VI: STM System Parameters Frame levels (Nf) = 16
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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 = ns
Ismail Lakkis (Wideband Access, Inc.)