Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method

Renato L.G. Cavalcante; Masahiro Yukawa; Isao Yamada

doi:10.1109/GLOCOM.2005.1578068

Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method

Renato L.G. Cavalcante, Masahiro Yukawa, Isao Yamada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

This paper presents a family of multiple access interference (MAI) suppression receivers based on the adaptive projected subgradient method. The proposed scheme can be applied to many different channel models and modulations in a unified manner. Moreover, it is suitable for both blind and nonblind receivers. The adaptive projected subgradient method realizes excellent convergence to a set including an optimal solution with high probability by asymptotically minimizing a sequence of nonnegative convex functions. Simulation results show much better (variable) tradeoff between speed and performance at steady-state as compared to existing techniques.

Original language	English
Title of host publication	GLOBECOM'05
Subtitle of host publication	IEEE Global Telecommunications Conference, 2005
Pages	2270-2275
Number of pages	6
DOIs	https://doi.org/10.1109/GLOCOM.2005.1578068
Publication status	Published - 2005 Dec 1
Externally published	Yes
Event	GLOBECOM'05: IEEE Global Telecommunications Conference, 2005 - St. Louis, MO, United States Duration: 2005 Nov 28 → 2005 Dec 2

Publication series

Name	GLOBECOM - IEEE Global Telecommunications Conference
Volume	4

Other

Other	GLOBECOM'05: IEEE Global Telecommunications Conference, 2005
Country/Territory	United States
City	St. Louis, MO
Period	05/11/28 → 05/12/2

ASJC Scopus subject areas

Engineering(all)

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10.1109/GLOCOM.2005.1578068

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Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method. / Cavalcante, Renato L.G.; Yukawa, Masahiro; Yamada, Isao.
GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. 2005. p. 2270-2275 1578068 (GLOBECOM - IEEE Global Telecommunications Conference; Vol. 4).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Cavalcante, RLG, Yukawa, M & Yamada, I 2005, Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method. in GLOBECOM'05: IEEE Global Telecommunications Conference, 2005., 1578068, GLOBECOM - IEEE Global Telecommunications Conference, vol. 4, pp. 2270-2275, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005, St. Louis, MO, United States, 05/11/28. https://doi.org/10.1109/GLOCOM.2005.1578068

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N2 - This paper presents a family of multiple access interference (MAI) suppression receivers based on the adaptive projected subgradient method. The proposed scheme can be applied to many different channel models and modulations in a unified manner. Moreover, it is suitable for both blind and nonblind receivers. The adaptive projected subgradient method realizes excellent convergence to a set including an optimal solution with high probability by asymptotically minimizing a sequence of nonnegative convex functions. Simulation results show much better (variable) tradeoff between speed and performance at steady-state as compared to existing techniques.

AB - This paper presents a family of multiple access interference (MAI) suppression receivers based on the adaptive projected subgradient method. The proposed scheme can be applied to many different channel models and modulations in a unified manner. Moreover, it is suitable for both blind and nonblind receivers. The adaptive projected subgradient method realizes excellent convergence to a set including an optimal solution with high probability by asymptotically minimizing a sequence of nonnegative convex functions. Simulation results show much better (variable) tradeoff between speed and performance at steady-state as compared to existing techniques.

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Set-theoretic DS/CDMA receivers for fading channels by adaptive projected subgradient method

Abstract

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