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

Research output: Contribution to conferencePaperpeer-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 languageEnglish (US)
Pages277-282
Number of pages6
DOIs
StatePublished - Jan 1 2002
Event2002 IEEE Conference on Ultra Wideband Systems and Technologies, UWBST 2002 - Baltimore, MD, United States
Duration: May 21 2002May 23 2002

Other

Other2002 IEEE Conference on Ultra Wideband Systems and Technologies, UWBST 2002
CountryUnited States
CityBaltimore, MD
Period5/21/025/23/02

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