AMOUR - generalized multicarrier transceivers for blind CDMA regardless of multipath

Georgios B. Giannakis, Zhengdao Wang, Anna Scaglione, Sergio Barbarossa

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Suppression of multiuser interference (MUI) and mitigation of multipath effects constitute major challenges in the design of third-generation wireless mobile systems. Most wide-band and multicarrier uplink code-division multiple-access (CDMA) schemes suppress MUI statistically in the presence of unknown multipath. For fading resistance, they all rely on transmit- or receive-diversity and multichannel equalization based on bandwidth-consuming training sequences or self-recovering techniques at the receiver end. Either way, they impose restrictive and difficult to check conditions on the finite-impulse response channel nulls. Relying on block-symbol spreading, we design a mutually-orthogonal usercode-receiver (AMOUR) system for quasi-synchronous blind CDMA that eliminates MUI deterministically and mitigates fading regardless of the unknown multipath and the adopted signal constellation. AMOUR converts a multiuser CDMA system into parallel single-user systems regardless of multipath and guarantees identifiability of users' symbols without restrictive conditions on channel nulls in both blind and nonblind setups. An alternative AMOUR design called Vandermonde-Lagrange AMOUR is derived to add flexibility in the code assignment procedure. Analytic evaluation and preliminary simulations reveal the generality, flexibility, and superior performance of AMOUR over competing alternatives.

Original languageEnglish (US)
Pages (from-to)2064-2076
Number of pages13
JournalIEEE Transactions on Communications
Volume48
Issue number12
DOIs
StatePublished - Dec 2000
Externally publishedYes

Fingerprint

Transceivers
Code division multiple access
Impulse response
Bandwidth

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

AMOUR - generalized multicarrier transceivers for blind CDMA regardless of multipath. / Giannakis, Georgios B.; Wang, Zhengdao; Scaglione, Anna; Barbarossa, Sergio.

In: IEEE Transactions on Communications, Vol. 48, No. 12, 12.2000, p. 2064-2076.

Research output: Contribution to journalArticle

Giannakis, Georgios B. ; Wang, Zhengdao ; Scaglione, Anna ; Barbarossa, Sergio. / AMOUR - generalized multicarrier transceivers for blind CDMA regardless of multipath. In: IEEE Transactions on Communications. 2000 ; Vol. 48, No. 12. pp. 2064-2076.
@article{1e40f4ff313d4262b4774cdd897cc1c3,
title = "AMOUR - generalized multicarrier transceivers for blind CDMA regardless of multipath",
abstract = "Suppression of multiuser interference (MUI) and mitigation of multipath effects constitute major challenges in the design of third-generation wireless mobile systems. Most wide-band and multicarrier uplink code-division multiple-access (CDMA) schemes suppress MUI statistically in the presence of unknown multipath. For fading resistance, they all rely on transmit- or receive-diversity and multichannel equalization based on bandwidth-consuming training sequences or self-recovering techniques at the receiver end. Either way, they impose restrictive and difficult to check conditions on the finite-impulse response channel nulls. Relying on block-symbol spreading, we design a mutually-orthogonal usercode-receiver (AMOUR) system for quasi-synchronous blind CDMA that eliminates MUI deterministically and mitigates fading regardless of the unknown multipath and the adopted signal constellation. AMOUR converts a multiuser CDMA system into parallel single-user systems regardless of multipath and guarantees identifiability of users' symbols without restrictive conditions on channel nulls in both blind and nonblind setups. An alternative AMOUR design called Vandermonde-Lagrange AMOUR is derived to add flexibility in the code assignment procedure. Analytic evaluation and preliminary simulations reveal the generality, flexibility, and superior performance of AMOUR over competing alternatives.",
author = "Giannakis, {Georgios B.} and Zhengdao Wang and Anna Scaglione and Sergio Barbarossa",
year = "2000",
month = "12",
doi = "10.1109/26.891217",
language = "English (US)",
volume = "48",
pages = "2064--2076",
journal = "IEEE Transactions on Communications",
issn = "0090-6778",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "12",

}

TY - JOUR

T1 - AMOUR - generalized multicarrier transceivers for blind CDMA regardless of multipath

AU - Giannakis, Georgios B.

AU - Wang, Zhengdao

AU - Scaglione, Anna

AU - Barbarossa, Sergio

PY - 2000/12

Y1 - 2000/12

N2 - Suppression of multiuser interference (MUI) and mitigation of multipath effects constitute major challenges in the design of third-generation wireless mobile systems. Most wide-band and multicarrier uplink code-division multiple-access (CDMA) schemes suppress MUI statistically in the presence of unknown multipath. For fading resistance, they all rely on transmit- or receive-diversity and multichannel equalization based on bandwidth-consuming training sequences or self-recovering techniques at the receiver end. Either way, they impose restrictive and difficult to check conditions on the finite-impulse response channel nulls. Relying on block-symbol spreading, we design a mutually-orthogonal usercode-receiver (AMOUR) system for quasi-synchronous blind CDMA that eliminates MUI deterministically and mitigates fading regardless of the unknown multipath and the adopted signal constellation. AMOUR converts a multiuser CDMA system into parallel single-user systems regardless of multipath and guarantees identifiability of users' symbols without restrictive conditions on channel nulls in both blind and nonblind setups. An alternative AMOUR design called Vandermonde-Lagrange AMOUR is derived to add flexibility in the code assignment procedure. Analytic evaluation and preliminary simulations reveal the generality, flexibility, and superior performance of AMOUR over competing alternatives.

AB - Suppression of multiuser interference (MUI) and mitigation of multipath effects constitute major challenges in the design of third-generation wireless mobile systems. Most wide-band and multicarrier uplink code-division multiple-access (CDMA) schemes suppress MUI statistically in the presence of unknown multipath. For fading resistance, they all rely on transmit- or receive-diversity and multichannel equalization based on bandwidth-consuming training sequences or self-recovering techniques at the receiver end. Either way, they impose restrictive and difficult to check conditions on the finite-impulse response channel nulls. Relying on block-symbol spreading, we design a mutually-orthogonal usercode-receiver (AMOUR) system for quasi-synchronous blind CDMA that eliminates MUI deterministically and mitigates fading regardless of the unknown multipath and the adopted signal constellation. AMOUR converts a multiuser CDMA system into parallel single-user systems regardless of multipath and guarantees identifiability of users' symbols without restrictive conditions on channel nulls in both blind and nonblind setups. An alternative AMOUR design called Vandermonde-Lagrange AMOUR is derived to add flexibility in the code assignment procedure. Analytic evaluation and preliminary simulations reveal the generality, flexibility, and superior performance of AMOUR over competing alternatives.

UR - http://www.scopus.com/inward/record.url?scp=0034489302&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034489302&partnerID=8YFLogxK

U2 - 10.1109/26.891217

DO - 10.1109/26.891217

M3 - Article

AN - SCOPUS:0034489302

VL - 48

SP - 2064

EP - 2076

JO - IEEE Transactions on Communications

JF - IEEE Transactions on Communications

SN - 0090-6778

IS - 12

ER -