Impulse radio multiple access through ISI channels with multi-stage block-spreading

Liuqing Yang; G. B. Giannakis

doi:10.1109/UWBST.2002.1006374

Impulse radio multiple access through ISI channels with multi-stage block-spreading

Liuqing Yang, G. B. Giannakis

Electrical and Computer Engineering

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

8 Scopus citations

Abstract

Impulse radio (IR) has received increasing interest for multiple access (MA). Operating in dense multipath environments. IRMA systems are affected by the multiple user interference (MUI) and intersymbol interference (ISI). Analog IRMA utilizes random time-hopping codes to mitigate such adverse effects statistically. In this paper, we develop an all-digital IRMA scheme that relies on multi-stage block-spreading (MS-BS) to eliminate MUI deterministically, regardless of ISI multipath effects. Unlike conventional IRMA systems. our proposed MS-BS-IRMA system exhibits no degradation in performance when accommodating a large number of users.

Original language	English (US)
Pages	277-282
Number of pages	6
DOIs	https://doi.org/10.1109/UWBST.2002.1006374
State	Published - Jan 1 2002
Event	2002 IEEE Conference on Ultra Wideband Systems and Technologies, UWBST 2002 - Baltimore, MD, United States Duration: May 21 2002 → May 23 2002

Other

Other	2002 IEEE Conference on Ultra Wideband Systems and Technologies, UWBST 2002
Country/Territory	United States
City	Baltimore, MD
Period	5/21/02 → 5/23/02

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abstract = "Impulse radio (IR) has received increasing interest for multiple access (MA). Operating in dense multipath environments. IRMA systems are affected by the multiple user interference (MUI) and intersymbol interference (ISI). Analog IRMA utilizes random time-hopping codes to mitigate such adverse effects statistically. In this paper, we develop an all-digital IRMA scheme that relies on multi-stage block-spreading (MS-BS) to eliminate MUI deterministically, regardless of ISI multipath effects. Unlike conventional IRMA systems. our proposed MS-BS-IRMA system exhibits no degradation in performance when accommodating a large number of users.",

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Impulse radio multiple access through ISI channels with multi-stage block-spreading

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