Inter-Carrier Cooperative Coding/Decoding for OFDM Systems Using Geometric Mean Decomposition
Assuming the availability of the channel state information at the transmitter (CSIT) and receiver (CSIR), we propose two novel inter-carrier cooperative coding / decoding (ICC) schemes that can transform all subcarriers of an OFDM system into the same number of subchannels with identical capacities. One scheme is the combination of a linear precoder and a minimum zero-forcing VBLAST like decoder followed by a linear equalizer, which is referred to as VBLAST-ICC, and the other scheme includes a linear pre-equalizer followed by a dirty paper (DP) precoder and a DP decoder, which we refer to as DP –ICC. The ICC schemes can provide much convenience for the modulation / demodulation and coding / decoding procedures due to obviating the need for bit allocation. The simulation results show that the ICC schemes exhibit excellent performance at high SNRs compared with traditional OFDM scheme.
OFDM inter-carrier cooperative coding / decoding BLAST dirty paper precoder geometric mean decomposition component
Rui Chen Jiandong Li Wei Liu Jian Li
Information Science Institute State Key Laboratory of Integrated Service Networks, Xidian University Dept. of civil air defense command and communication The PLA Institute of Communications and Command
国际会议
北京
英文
1-3
2010-06-25（万方平台首次上网日期，不代表论文的发表时间）