Title :
Adaptive modulation and coding (AMC) for bit-interleaved coded OFDM (BIC-OFDM)
Author :
Song, Kee-Bong ; Ekbal, Amal ; Chung, Seong Taek ; Cioffi, John M.
Author_Institution :
Dept. of Electr. Eng., Stanford Univ., CA, USA
Abstract :
Adaptive modulation and coding (AMC) is receiving increasing attention as an effective method to enhance the performance of wireless systems. This paper proposes AMC as a method for the bit-interleaved coded OFDM (BIC-OFDM) packet transmission. We provide a pair-wise error probability (PEP) analysis of AMC-BIC-OFDM in a slowly fading frequency selective channel. We maximize the total rate by optimally selecting the code and efficiently allocating rate and power over the frequency band. The proposed method improves the performance of uniform rate and power allocation scheme by 8 to 19 dB.
Keywords :
OFDM modulation; adaptive codes; adaptive modulation; error statistics; fading channels; interleaved codes; modulation coding; packet switching; adaptive modulation-coding; bit-interleaved coded OFDM; fading frequency selective channel; frequency band; packet transmission; pair-wise error probability analysis; rate-power allocation; wireless systems; Adaptive coding; Error analysis; Fading; Frequency diversity; Interleaved codes; Modulation coding; OFDM modulation; Pairwise error probability; Radio spectrum management; Wireless LAN;
Conference_Titel :
Communications, 2004 IEEE International Conference on
Print_ISBN :
0-7803-8533-0
DOI :
10.1109/ICC.2004.1313134
