High-Data-Rate DPC-OF/TDMA Based on Multi-Layer STBC Coded MIMO-OFDM

Abstract

In the past years we have been focusing on developing DPC-OF/TDMA (dynamic parameter controlled orthogonal frequency and time division multiple access) system (Harada et al., 2003) which targets at beyond 100 Mbps data rate. In this paper, we extend DPC-OF/TDMA to support higher data rates with the same bandwidth of its original version. The evolved DPC-OF/TDMA is based on our newly proposed multi-layer STBC OFDM (multi-layer space-time block coded orthogonal frequency division multiplexing) scheme. This scheme combines the spatial diversity and spatial multiplexing in order to exploit the benefits of both techniques. To evaluate the performance of the evolved DPC-OF/TDMA, we conduct simulations under different MIMO antenna configurations. As the packet error rate (PER) is required to be 1.0e-2 with Eb/No lower than 20.0dB, the evolved DPC-OF/TDMA can reach data rate of 921.6Mbps while the bandwidth is 128MHz. The achieved average spectral efficiency is 7.2bit/s/Hz.