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Steady State Distribution of a Hyperbolic Digital TanLock Loop with Extended Pull-in Range for Frequency Synchronization in High Doppler Environment

Kandeepan, Sithamparanathan


A hyperbolic arctan based Digital Tanlock Loop (D-TLL) operating with complex signals at base-band or intermediate frequencies in high Doppler environments is treated here. The arctan based loop, known as the tanlock loop (TLL), is used in software defined radio architectures for frequency acquisition and tracking. The hyperbolic nonlinearity intentionally introduced within the phase detector extends the pull-in range of the frequency for a given loop, compared to the normal D-TLL, allowing a...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: IEEE Transactions on Wireless Communications
DOI: 10.1109/TWC.2009.071337


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