“…There are several communication protocols using IR such as Aiwa, BoseWave, Denon, Dish, JVC, Lego, LG, Mitsubishi, NEC, Panasonic, RC5, Samsung, Sanyo, Sharp, and Sony [28]. The NEC [15,28,34,35] is one of the widely used protocols. Figure 3 shows the frame format of the NEC protocol, which is designed to transmit a 32-bit in one frame.…”