A note on Singular integral

In this paper, we prove that for $\frac{n}{2}+\frac{1}{4}<\alpha \leq\frac{n+1}{2}$, the convolution operator $$S_{\alpha} f(x)=\int_{|y| \geq 1} f(x-y)\left(|y|^{2}-1\right)^{-\alpha} d y$$ is bounded from $L^p$ to $L^q$ for certain values of $p$ and $q$.