Presentation is loading. Please wait.

Presentation is loading. Please wait.

IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 -

Published byJada Barker Modified over 10 years ago

Similar presentations

Presentation on theme: "IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 -"— Presentation transcript:

1 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved UWB simulation chain and its performance Olonbayar, Sonom

2 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Outline UWB simulation chain Analog Front End- Pulse generation, modulation and demodulation Channel models IEEE 802.15.4a Baseband signal procesing Channel coding Simulation results Coded and uncoded UWB with detection Conclusion

3 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Advantages of UWB Consumption of low power makes it suitable for TANDEM Large bandwidth and high data rate Very short pulses and low duty cycle

4 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Spectrum occupancy of UWB systems Frequency (GHz) Radiated Power (dBm/MHz) Low Band (3.1-5.1GHz) -40 -50 -60 -70 -80 -90 01234567891011 High Band (6-10GHz) Huge spectrum is available which can ce radiated with very low power

5 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Structure of the considered UWB simulation chain Data Pulse generator Modulator 001011….. Gaussian shaped pulses Channel model T r a n s m i t t e r AWGN Demodulator BER performance R e c e i v e r 802.15.4a C h a n n e l

6 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Pulse generation Gaussian shaped pulses: T Number of samples

7 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Setting parameters Data rate - Variable Duty cycle=Data rate * Pulse duration Number of samples per period pulse duration Pulse period Sampling frequency T

8 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Modulation OOK (On Off Keying) PPM (Pulse Position Modulation) OOK modulator 1010101…….. 10 10 1 0 1 PPM modulator 1 10 1 1 0 0 1101100……..

9 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Modulation BPSK (Binary Pulse Shift Keying) BPSK modulator 01100…….. 01100

10 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Demodulation Coherent phase information and channel estimation are needed complicated but provides better performance, Example: matched filter receiver Noncoherent no phase information is necessary, simple but degraded performance

11 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Channel model Impulse response of the Saleh-Valenzuela model tap weight of the k-th component of the l-th cluster Delay of the l-th cluster time Path magnitude T Cluster 0 Two Poisson model: First path of each cluster Paths within each cluster

12 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Channel model for different scenario Residential LOS Residential NLOS Office LOS Office NLOS Outdoor LOS Outdoor NLOS Industrial LOS Industrial NLOS time Path magnitude T Cluster 0

13 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Channel model Parameters Residential LOSNLOS Power delay profile 33.5 0.0470.12 1.54, 0.15, 0.0951.77, 0.15, 0.045 22.6126.27 00 12.5317.50 2.752.93 Small scale fading 0.670.69 00 0.280.32 00 Parameters Outdoor LOSNLOS Power delay profile 13.610.5 0.04480.0243 0.27, 2.41, 0.0950.15, 1.13, 0.062 22.61104.7 00 3.79.3 2.752.93 Small scale fading 0.780.56 00 0.780.25 00

14 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Performance of UWB communication systems BER performance of UWB wih PPM modulation 9 dB BER performance of UWB wih OOK modulation 8 dB Outdoor NLOS scenario, data rate=1Mbps

15 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Performance of UWB with different modulation BER performance of UWB for different modulation schemes with coherent detection, data rate = 1Mbps 3dB 2dB

16 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved UWB Baseband signal processing Analog Front End Reed Solomon Encoder Systematic Convolutinal Encoder Systematic Convolutinal Decoder Reed Solomon Decoder Analog Front End Data Baseband signal processing

17 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Convolutional coded UWB Convol. encoder Rate 1/2 Binary Data [171,137] generator polynom Constraint length K=7 Viterbi decoder with hard output Binary Data Transmitter Receiver

18 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Performance of coded UWB communication system Performance of convolutionally coded UWB with PPM 2.5 dB

19 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Conclusion UWB simulation chain is developed and tested Various modulation and detection techniques are discussed Channel models applicable to sensor networks are presented UWB BPSK offers improved BER performance over PPM and OOK The coding performed in baseband yields around 2 dB improvement in BER

20 IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 - All rights reserved Thank you for your kind attention

Download ppt "IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany IHP Im Technologiepark 25 15236 Frankfurt (Oder) Germany www.ihp-microelectronics.com © 2007 -"

Similar presentations

International Graduate School Cottbus / IHP microelectronics Im Technologiepark 25 15236 Frankfurt (Oder) Germany IHP Im Technologiepark 25 15236 Frankfurt.

International Graduate School Cottbus / IHP microelectronics Im Technologiepark Frankfurt (Oder) Germany IHP Im Technologiepark Frankfurt.
1 Chapter 3 Digital Communication Fundamentals for Cognitive Radio Cognitive Radio Communications and Networks: Principles and Practice By A. M. Wyglinski,

1 Chapter 3 Digital Communication Fundamentals for Cognitive Radio Cognitive Radio Communications and Networks: Principles and Practice By A. M. Wyglinski,
1. Introduction.

1. Introduction.
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: 8-State Trellis Coded Modulated 16/32/64-QAM Proposal.

Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs) Submission Title: 8-State Trellis Coded Modulated 16/32/64-QAM Proposal.
Doc.: IEEE 15-05-0xxx-00-004a Submission May 2005 Zafer Sahinoglu, Mitsubishi Electric Research Labs Slide 1 Project: IEEE P802.15 Working Group for Wireless.

Doc.: IEEE xxx a Submission May 2005 Zafer Sahinoglu, Mitsubishi Electric Research Labs Slide 1 Project: IEEE P Working Group for Wireless.
Doc.: IEEE 802.15-05-0058-00-004a Submission Jan. 2005 THALES CommunicationsSlide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks.

Doc.: IEEE a Submission Jan THALES CommunicationsSlide 1 Project: IEEE P Working Group for Wireless Personal Area Networks.
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted:

Project: IEEE P Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted:
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted:

Project: IEEE P Working Group for Wireless Personal Area Networks (WPANS) Submission Title: [Staccato UWB PHY Proposal for TG4a] Date Submitted:
Doc.: IEEE 802.15-04/0371r0 Submission July 2004 Andrew Fort & Bart Van Poucke, IMECSlide 1 Project: IEEE 802.15 Working Group for Wireless Personal Area.

Doc.: IEEE /0371r0 Submission July 2004 Andrew Fort & Bart Van Poucke, IMECSlide 1 Project: IEEE Working Group for Wireless Personal Area.
Doc.: IEEE 802.15-04-0314-02-004b Submission Aug. 2004 Liang Li, VSZJ Slide 1 Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Doc.: IEEE b Submission Aug Liang Li, VSZJ Slide 1 Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
1 1  1 =.

1 1  1 =.
1  1 =.

1  1 =.
UWB Channels – Capacity and Signaling Department 1, Cluster 4 Meeting Vienna, 1 April 2005 Erdal Arıkan Bilkent University.

UWB Channels – Capacity and Signaling Department 1, Cluster 4 Meeting Vienna, 1 April 2005 Erdal Arıkan Bilkent University.
Doc.: IEEE 802.11-06/543r0 Submission April 2006 Richard van Nee, Airgo NetworksSlide 1 Transmitter CCA Issues in 2.4 GHz April 2006 06/543r0 Richard van.

Doc.: IEEE /543r0 Submission April 2006 Richard van Nee, Airgo NetworksSlide 1 Transmitter CCA Issues in 2.4 GHz April /543r0 Richard van.
Bottom-Up Evaluation of 802.11 Performance Testing Dr. Michael D. Foegelle ETS-Lindgren September 2004 Foegelle, ETS-Lindgren doc.: IEEE 802.11-04-1156-00-000t.

Bottom-Up Evaluation of Performance Testing Dr. Michael D. Foegelle ETS-Lindgren September 2004 Foegelle, ETS-Lindgren doc.: IEEE t.
Doc.: IEEE 802.15-06-0xxx-00-0ban Submission July, 2007 John F.M. Gerrits / John R. Farserotu, CSEMSlide 1 Project:IEEE P802.15 Working Group for Wireless.

Doc.: IEEE xxx-00-0ban Submission July, 2007 John F.M. Gerrits / John R. Farserotu, CSEMSlide 1 Project:IEEE P Working Group for Wireless.
Doc.: IEEE 802.11-04/0071r1 Submission January 2004 Aleksandar Purkovic, Nortel NetworksSlide 1 LDPC vs. Convolutional Codes for 802.11n Applications:

Doc.: IEEE /0071r1 Submission January 2004 Aleksandar Purkovic, Nortel NetworksSlide 1 LDPC vs. Convolutional Codes for n Applications:
©2005, The Aerospace Corporation, All Rights Reserved 1 Satellite TT&C Denial, Electronic Counter Measure and Mitigation.

©2005, The Aerospace Corporation, All Rights Reserved 1 Satellite TT&C Denial, Electronic Counter Measure and Mitigation.
Before Between After.

Before Between After.
ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying.

ST/SEU-CO | | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying.

Similar presentations

Ads by Google