Title :
The Subchannel Inversion for Power Allocation in Multicarrier OFDM Systems
Author :
Cheng, Chia-Hsin ; Huang, Yung-Fa ; Cheng, Yung-Pei
Author_Institution :
Dept. of Electr. Eng., Nat. Formosa Univ., Yunlin, Taiwan
Abstract :
The problem of power loading that have been research in Orthogonal Frequency Division Multiplexing (OFDM) Systems. In this paper, we propose the proportion of power allocation method of sub carriers selection in a multiplex sub carrier power restrictive environment for Orthogonal Frequency Division Multiplexing (OFDM) systems. A sub channel inversion for allocation of transmission power is proposed to reduce the bit error rate and increase system efficiency. From the simulation, our proposed sub carriers power allocation scheme can achieve better performance in bit error rate (BER).
Keywords :
OFDM modulation; error statistics; BER; bit error rate; multicarrier OFDM systems; multiplex subcarrier power restrictive environment; orthogonal frequency division multiplexing systems; power allocation method; subchannel inversion; Bit error rate; Channel estimation; Fading; OFDM; Resource management; Signal to noise ratio; Wireless communication; Orthogonal Frequency Division Multiplexing (OFDM); channel state information (CSI); feedback; power allocation; subcarrie;
Conference_Titel :
Robot, Vision and Signal Processing (RVSP), 2011 First International Conference on
Conference_Location :
Kaohsiung
Print_ISBN :
978-1-4577-1881-6
DOI :
10.1109/RVSP.2011.42
