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Modified Gardner's Timing-Error Estimation Algorithm for Space-Time Block Coding Schemes
Dae-Ki HONG Seong-Soon JEONG Sang-Cheol HAN Daesik HONG Chang-Eon KANG
IEICE TRANSACTIONS on Communications
Publication Date: 2003/04/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
STBC, diversity combining, symbol timing-error estimation,
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In this paper, a modified Gardner's timing-error estimation algorithm is proposed for space-time block coding (STBC) schemes. In STBC schemes, the symbol timing-error can be estimated for each received antenna. The proposed algorithm is the diversity combining of all symbol timing-error estimates using Gardner's algorithm with the assumptions of identical channel delay of each SISO sub-stream. Simulation results show the proposed algorithm improves the symbol timing-error estimation performance through diversity gains. Estimation of symbol timing-error in multiple-input and multiple-output (MIMO) antenna systems is an another suitable area of application.