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This work proposes a systematic algorithm to build up a spacing-constrained non-uniform linear array (NLA) configuration. Obtainable DoF due to the proposed algorithm can have much better performance than existing NLA configurations. By further applying spatial smoothing and array interpolation techniques, performance indices, such as number of incident signal (NIS) detection and direction of arrival...
This work presents a blind fine synchronization scheme, which estimates and compensates residual carrier-frequency offset (RCFO) and symbol timing offset (STO) , for single-carrier frequency-domain equalization (SC-FDE) systems. Existing fine synchronization schemes for SC-FDE systems rely on time-domain unique words (UW) sequences as reference signals to assure the estimation accuracy, at the cost...
This work presents a new technique which can blindly perform the fine synchronization for single-carrier block-transmission (SCBT) systems without using unique words (UW). The proposed technique, called simplified weighted LS method for single-carrier systems (SWLS-SC), combines the concept of the decision feedback structure and SWLS estimator for OFDM systems. Together with specifically derived weighting...
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