Title: Throughput Analysis for Wavelet OFDM in Broadband Power Line Communications,
Abstract: Windowed orthogonal frequency-division multiplexing (OFDM) and wavelet OFDM
have been proposed as medium access techniques for broadband communications
over the power line network by the standard IEEE 1901. Windowed OFDM has been
extensively researched and employed in different fields of communication, while
wavelet OFDM, which has been recently recommended for the first time in a
standard, has received less attention. This work is aimed to show that wavelet
OFDM, which basically is an Extended Lapped Transform-based multicarrier
modulation (ELT-MCM), is a viable and attractive alternative for data
transmission in hostile scenarios, such as in-home PLC. To this end, we obtain
theoretical expressions for ELT-MCM of: 1) the useful signal power, 2) the
inter-symbol interference (ISI) power, 3) the inter-carrier interference (ICI)
power, and 4) the noise power at the receiver side. The system capacity and the
achievable throughput are derived from these. This study includes several
computer simulations that show that ELT-MCM is an efficient alternative to
improve data rates in PLC networks.