Data-driven code-hopping for MC-CDMA precoding schemes

C. Masouros; E. Alsusa

doi:10.1109/GLOCOM.2008.ECP.778

Data-driven code-hopping for MC-CDMA precoding schemes

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

Abstract

A novel code optimization scheme is presented for the downlink of multicarrier code division multiple access (MC- CDMA) systems employing phase shift keying (PSK) modulation. The optimization is based on dynamically re-allocating the available signature waveforms amongst the users on a symbol- by-symbol basis in order to manipulate and utilize interference amongst them. By applying the appropriate allocation criteria destructive interference between users is minimized while constructive is maximized. As a result, employing this on top of conventional schemes enhances the received signal to interference-plus-noise ratio (SINR) without additional transmitted power-per-user investment. The trade-off to the resulting performance improvement is the need for transmission of some extra side information, which by using the proposed processing is kept to a minimum. While performance benefits can be expected for various scenarios, the focus of this paper is on MC-CDMA precoding schemes. Analysis and simulations show a considerable bit error rate (BER) reduction for the case of decorrelating precoding methods. © 2008 IEEE.

Original language	English
Title of host publication	GLOBECOM - IEEE Global Telecommunications Conference\|GLOBECOM IEEE Global Telecommun. Conf.
Pages	4055-4059
Number of pages	4
DOIs	https://doi.org/10.1109/GLOCOM.2008.ECP.778
Publication status	Published - 2008
Event	2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA Duration: 1 Jul 2008 → …

Conference

Conference	2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
City	New Orleans, LA
Period	1/07/08 → …

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10.1109/GLOCOM.2008.ECP.778

Cite this

@inproceedings{3762379dd8d1426abafbea3462f42793,

title = "Data-driven code-hopping for MC-CDMA precoding schemes",

abstract = "A novel code optimization scheme is presented for the downlink of multicarrier code division multiple access (MC- CDMA) systems employing phase shift keying (PSK) modulation. The optimization is based on dynamically re-allocating the available signature waveforms amongst the users on a symbol- by-symbol basis in order to manipulate and utilize interference amongst them. By applying the appropriate allocation criteria destructive interference between users is minimized while constructive is maximized. As a result, employing this on top of conventional schemes enhances the received signal to interference-plus-noise ratio (SINR) without additional transmitted power-per-user investment. The trade-off to the resulting performance improvement is the need for transmission of some extra side information, which by using the proposed processing is kept to a minimum. While performance benefits can be expected for various scenarios, the focus of this paper is on MC-CDMA precoding schemes. Analysis and simulations show a considerable bit error rate (BER) reduction for the case of decorrelating precoding methods. {\textcopyright} 2008 IEEE.",

author = "C. Masouros and E. Alsusa",

year = "2008",

doi = "10.1109/GLOCOM.2008.ECP.778",

language = "English",

isbn = "9781424423248",

pages = "4055--4059",

booktitle = "GLOBECOM - IEEE Global Telecommunications Conference|GLOBECOM IEEE Global Telecommun. Conf.",

note = "2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 ; Conference date: 01-07-2008",

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TY - GEN

T1 - Data-driven code-hopping for MC-CDMA precoding schemes

AU - Masouros, C.

AU - Alsusa, E.

PY - 2008

Y1 - 2008

N2 - A novel code optimization scheme is presented for the downlink of multicarrier code division multiple access (MC- CDMA) systems employing phase shift keying (PSK) modulation. The optimization is based on dynamically re-allocating the available signature waveforms amongst the users on a symbol- by-symbol basis in order to manipulate and utilize interference amongst them. By applying the appropriate allocation criteria destructive interference between users is minimized while constructive is maximized. As a result, employing this on top of conventional schemes enhances the received signal to interference-plus-noise ratio (SINR) without additional transmitted power-per-user investment. The trade-off to the resulting performance improvement is the need for transmission of some extra side information, which by using the proposed processing is kept to a minimum. While performance benefits can be expected for various scenarios, the focus of this paper is on MC-CDMA precoding schemes. Analysis and simulations show a considerable bit error rate (BER) reduction for the case of decorrelating precoding methods. © 2008 IEEE.

AB - A novel code optimization scheme is presented for the downlink of multicarrier code division multiple access (MC- CDMA) systems employing phase shift keying (PSK) modulation. The optimization is based on dynamically re-allocating the available signature waveforms amongst the users on a symbol- by-symbol basis in order to manipulate and utilize interference amongst them. By applying the appropriate allocation criteria destructive interference between users is minimized while constructive is maximized. As a result, employing this on top of conventional schemes enhances the received signal to interference-plus-noise ratio (SINR) without additional transmitted power-per-user investment. The trade-off to the resulting performance improvement is the need for transmission of some extra side information, which by using the proposed processing is kept to a minimum. While performance benefits can be expected for various scenarios, the focus of this paper is on MC-CDMA precoding schemes. Analysis and simulations show a considerable bit error rate (BER) reduction for the case of decorrelating precoding methods. © 2008 IEEE.

U2 - 10.1109/GLOCOM.2008.ECP.778

DO - 10.1109/GLOCOM.2008.ECP.778

M3 - Conference contribution

SN - 9781424423248

SP - 4055

EP - 4059

BT - GLOBECOM - IEEE Global Telecommunications Conference|GLOBECOM IEEE Global Telecommun. Conf.

T2 - 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008

Y2 - 1 July 2008

ER -

Data-driven code-hopping for MC-CDMA precoding schemes

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