All-digital impulse radio for MUI/ISI-resilient multi-user communications over frequency-selective multipath channels

C. J. Le Martret; G. B. Giannakis

All-digital impulse radio for MUI/ISI-resilient multi-user communications over frequency-selective multipath channels

C. J. Le Martret, G. B. Giannakis

Electrical and Computer Engineering

Research output: Contribution to conference › Paper › peer-review

12 Scopus citations

Abstract

Impulse radio (IR) is an ultra-wideband system with attractive features for baseband asynchronous multiple access (MA), multimedia services, and tactical wireless communications. Implemented with analog components, the continuoustime IRMA model utilizes pulse-position modulation (PPM) and random time-hopping codes to alleviate multipath effects and suppress multiuser interference (MUI). We introduce a novel continuous-time Multiple Input Multiple Output (MIMO) PPM-IRMA scheme, and derive its discrete-time equivalent model. Relying on a time-division-duplex access protocol and orthogonal user codes, we design composite linear and non-linear receivers for the downlink. The linear step eliminates MUI deterministically and accounts for frequency-selective multipath, while a Maximum Likelihood (ML) receiver performs symbol detection.

Original language	English (US)
Pages	655-659
Number of pages	5
State	Published - Dec 1 2000
Event	21st Century Military Communications Conference Proceedings MILCOM 2000 - Los Angeles, CA, United States Duration: Oct 22 2000 → Oct 25 2000

Other

Other	21st Century Military Communications Conference Proceedings MILCOM 2000
Country	United States
City	Los Angeles, CA
Period	10/22/00 → 10/25/00

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title = "All-digital impulse radio for MUI/ISI-resilient multi-user communications over frequency-selective multipath channels",

abstract = "Impulse radio (IR) is an ultra-wideband system with attractive features for baseband asynchronous multiple access (MA), multimedia services, and tactical wireless communications. Implemented with analog components, the continuoustime IRMA model utilizes pulse-position modulation (PPM) and random time-hopping codes to alleviate multipath effects and suppress multiuser interference (MUI). We introduce a novel continuous-time Multiple Input Multiple Output (MIMO) PPM-IRMA scheme, and derive its discrete-time equivalent model. Relying on a time-division-duplex access protocol and orthogonal user codes, we design composite linear and non-linear receivers for the downlink. The linear step eliminates MUI deterministically and accounts for frequency-selective multipath, while a Maximum Likelihood (ML) receiver performs symbol detection.",

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N2 - Impulse radio (IR) is an ultra-wideband system with attractive features for baseband asynchronous multiple access (MA), multimedia services, and tactical wireless communications. Implemented with analog components, the continuoustime IRMA model utilizes pulse-position modulation (PPM) and random time-hopping codes to alleviate multipath effects and suppress multiuser interference (MUI). We introduce a novel continuous-time Multiple Input Multiple Output (MIMO) PPM-IRMA scheme, and derive its discrete-time equivalent model. Relying on a time-division-duplex access protocol and orthogonal user codes, we design composite linear and non-linear receivers for the downlink. The linear step eliminates MUI deterministically and accounts for frequency-selective multipath, while a Maximum Likelihood (ML) receiver performs symbol detection.

AB - Impulse radio (IR) is an ultra-wideband system with attractive features for baseband asynchronous multiple access (MA), multimedia services, and tactical wireless communications. Implemented with analog components, the continuoustime IRMA model utilizes pulse-position modulation (PPM) and random time-hopping codes to alleviate multipath effects and suppress multiuser interference (MUI). We introduce a novel continuous-time Multiple Input Multiple Output (MIMO) PPM-IRMA scheme, and derive its discrete-time equivalent model. Relying on a time-division-duplex access protocol and orthogonal user codes, we design composite linear and non-linear receivers for the downlink. The linear step eliminates MUI deterministically and accounts for frequency-selective multipath, while a Maximum Likelihood (ML) receiver performs symbol detection.

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All-digital impulse radio for MUI/ISI-resilient multi-user communications over frequency-selective multipath channels

Abstract

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