“IPI Removing by Using Reference Sign/N-ary Orthogonal Coded/Balanced TR-UWB Receiver for WPAN Based on Hadamard Matrix”, NJES, vol. 12, no. 2, pp. 102–107, Mar. 2009, Accessed: Apr. 28, 2024. [Online]. Available: https://nahje.com/index.php/main/article/view/566