Iterative cyclic prefix reconstruction for precoded SC-FDE

Taewon Hwang

doi:10.1093/ietcom/e90-b.9.2447

Iterative cyclic prefix reconstruction for precoded SC-FDE

Taewon Hwang

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A cyclic prefix reconstruction scheme is proposed for precoded single-carrier systems with frequency-domain equalization (SC-FDE) that employ insufficient length of cyclic prefix. For SC-FDE, cyclic prefix is employed to facilitate frequency-domain equalization at the receiver. Since inserting cyclic prefix incurs a loss in bandwidth-utilization efficiency, it is desirable to limit the length of cyclic prefix for SC-FDE. This paper designs the energy spreading transform (EST), a precoder that enables iterative reconstruction of missing cyclic prefix. The performance of the proposed scheme is shown to be close to that of SC-FDE with enough length of cyclic prefix.

Original language	English
Pages (from-to)	2447-2455
Number of pages	9
Journal	IEICE Transactions on Communications
Volume	E90-B
Issue number	9
DOIs	https://doi.org/10.1093/ietcom/e90-b.9.2447
Publication status	Published - 2007 Sept

All Science Journal Classification (ASJC) codes

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1093/ietcom/e90-b.9.2447

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AB - A cyclic prefix reconstruction scheme is proposed for precoded single-carrier systems with frequency-domain equalization (SC-FDE) that employ insufficient length of cyclic prefix. For SC-FDE, cyclic prefix is employed to facilitate frequency-domain equalization at the receiver. Since inserting cyclic prefix incurs a loss in bandwidth-utilization efficiency, it is desirable to limit the length of cyclic prefix for SC-FDE. This paper designs the energy spreading transform (EST), a precoder that enables iterative reconstruction of missing cyclic prefix. The performance of the proposed scheme is shown to be close to that of SC-FDE with enough length of cyclic prefix.

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Iterative cyclic prefix reconstruction for precoded SC-FDE

Abstract

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