A Novel System based on Filtered Multitone Modulation and RCPC codes for Video Transmission

Multicarrier systems are adopted in several standards for their ability to achieve optimal performance in highly dispersive channels. In particular, Orthogonal Frequency Division Multiplexing (OFDM) and Filtered Multitone (FMT) systems are two special cases of multicarrier systems which differs in terms of spectral partitioning. FMT does not require any cyclic prefix and virtual carriers, thus increases the bandwidth efficiency as compared to OFDM systems, but requires effective equalization techniques. Although, FMT suffers from higher computational complexity than OFDM, it yields much better performance in terms of bit error rate (BER). Hence, FMT is a possible alternative to OFDM for broadband wireless applications. In this paper, we have proposed the idea of using FMT for video transmission and we have also implemented Rate Compatible Punctured Convolutional (RCPC) codes to provide unequal error protection of the data according to their relative significance. Moreover, significant gains have also been achieved in terms of transmission efficiency by using RCPC codes for video transmission.