Energy efficient binary PPM/code-multiplexed transmitted-reference multi-user UWB system

This paper presents a combined binary pulse position modulation (BPPM)/code-multiplexed transmitted-reference (CM-TR) ultra wideband (UWB) system. The low complexity CM-TR UWB is not energy efficient as one half of the energy is used to transmit reference pulses and, even at low-to-medium data rates...

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Main Authors: Khan, M. G., Sallberg, B., Nordberg, J., Claesson, I.
Format: Conference Proceeding
Language:English
Subjects:
Bit error rate
Modulation
Multipath channels
Receivers
Signal to noise ratio
Ultra wideband technology
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Sallberg, B.
Nordberg, J.
Claesson, I.
description This paper presents a combined binary pulse position modulation (BPPM)/code-multiplexed transmitted-reference (CM-TR) ultra wideband (UWB) system. The low complexity CM-TR UWB is not energy efficient as one half of the energy is used to transmit reference pulses and, even at low-to-medium data rates, it suffers from strong multi-user interference (MUI) and inter-frame interference (IFI). Keeping the information rate constant, the combined BPPM/CM-TR UWB system utilizes 3 dB less energy per bit as compared to the CM-TR system and achieves relatively longer silent periods between the pulses, which not only mitigate the IFI but also decrease the MUI due to less collisions with other asynchronous users. In the high SNR region, where the effect of IFI and MUI severely degrades the bit-error-rate (BER) performance of the multiuser CM-TR system, simulation results verify that the multiuser BPPM/CM-TR outperforms the multiuser CM-TR system.
doi_str_mv 10.1109/ICUWB.2011.6058922
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G.</au><au>Sallberg, B.</au><au>Nordberg, J.</au><au>Claesson, I.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Energy efficient binary PPM/code-multiplexed transmitted-reference multi-user UWB system</atitle><btitle>2011 IEEE International Conference on Ultra-Wideband (ICUWB)</btitle><stitle>ICUWB</stitle><date>2011-09</date><risdate>2011</risdate><spage>615</spage><epage>619</epage><pages>615-619</pages><issn>2162-6588</issn><isbn>9781457717635</isbn><isbn>1457717638</isbn><eisbn>9781457717628</eisbn><eisbn>1457717646</eisbn><eisbn>9781457717642</eisbn><eisbn>145771762X</eisbn><abstract>This paper presents a combined binary pulse position modulation (BPPM)/code-multiplexed transmitted-reference (CM-TR) ultra wideband (UWB) system. 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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Bit error rate
Modulation
Multipath channels
Receivers
Signal to noise ratio
Ultra wideband technology
title Energy efficient binary PPM/code-multiplexed transmitted-reference multi-user UWB system
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