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## Adaptation of ASTC in a Correlated Rayleigh Frequency-Selective Fading Channels in OFDM systems with PAPR Reduction

### Citations

246 | Data transmission by frequency-division multiplexing using the discrete fourier transform - Weinstein, Ebert - 1971 |

176 | OFDM with reduced peak-to-average power ratio by optimum combination of partial transmit sequences
- Müller, Huber
- 1997
(Show Context)
Citation Context ... products among the subcarrier and disturbing out of band energy. Hence, it becomes worth while reducing PAPR. Towards this end there are several proposals such as clipping, coding and peak windowing =-=[4]-=-. Respectively, reduction of PAPR comes at a price of performance degradation, mainly in terms of rate and BER [5]. This paper proposes to use the ASTC codes as powerful coding techniques for IEEE 802... |

145 | The golden code: a 2 × 2 full-rate space-time code with nonvanishing determinants
- Belfiore, Rekaya, et al.
- 2005
(Show Context)
Citation Context ...ance into the selective channel case with time variation, we introduce the best perfect algebraic code known as Golden codes with other tow well famous algebraic space time codes, TAST and DAST as in =-=[7]-=-. A. Golden Encoder The code was proposed in 2004 by [7], [9] a 2 × 2 STBC obtained using a division algebra, which is full rate, full diversity, and has a nonzero lower bound on its coding gain, whic... |

38 |
MIMO–OFDM Wireless Systems: Basics, Perspectives, and Challenges
- Bölcskei
- 2006
(Show Context)
Citation Context ...me. ASTC codes can for out a good solution first to overcome the disadvantage of OFDM modulations and second to keep a robustness regarding the BER performances. Theses codes were proposed in 2004 by =-=[6]-=-–[8], a 2 × 2 STBC obtained using a division algebra. ASTC could exceeds the Alamouti codes performances, thanks to it’s algebraic construction which guarantees three major advantages : First, a nonze... |

35 |
An analysis of orthogonal frequencydivision multiple access
- Sari, Levy, et al.
- 1997
(Show Context)
Citation Context ...ich cause severe Inter-Symbol Interference (ISI). Orthogonal frequency division multiplexing (OFDM) is well accepted as an effective technique to mitigate ISI with absence of complex equalization [1]–=-=[3]-=-. OFDM system performance can be widely improved with channel coding. OFDM has many advantages, which make it an attractive scheme for high-speed transmission links. However, one major difficulty is O... |

3 | Peak-to-Average Power Ratio (PAR) Reduction in OFDM based on Lattice Decoding
- Fischer
- 2006
(Show Context)
Citation Context ...been proposed to 125International Journal of Wireless & Mobile Networks (IJWMN), Vol.2, No.2, May 2010 Figure 2. Constellation of Transmitted Signal on PAPR reduction Scheme solve that problem [11]- =-=[12]-=-. The simple and widely used method is clipping the signal to limit the PAPR below a threshold level, but it causes both in-band distortion and out of band radiation. Another well-known technique to r... |

2 |
Multicarrier modulation for data transmission: An idea whose time has come
- Bingam
- 1990
(Show Context)
Citation Context ..., which cause severe Inter-Symbol Interference (ISI). Orthogonal frequency division multiplexing (OFDM) is well accepted as an effective technique to mitigate ISI with absence of complex equalization =-=[1]-=-–[3]. OFDM system performance can be widely improved with channel coding. OFDM has many advantages, which make it an attractive scheme for high-speed transmission links. However, one major difficulty ... |

2 |
Iterative channel estimation and decoding of turbocoded OFDM symbols in selective rayleigh channel
- Ammari, Gagnon
- 2007
(Show Context)
Citation Context ...ls belonging to narrow-band systems. To alleviate this problem let focus on lattice representation of a Frequency-Selective Correlated Rayleigh Fading Channels. We adopt here the Clarke channel model =-=[10]-=-. The received signal is the sum of q waves, we take into account the Doppler shifts effect. To obtain a correlated Rayleigh fading channel, the autocorrelation function of { h j } process is given by... |

2 | Peak-to-Average Power Ratio Reduction in MIMO OFDM
- Fischer, Hoch
- 2007
(Show Context)
Citation Context ... have been proposed to 125International Journal of Wireless & Mobile Networks (IJWMN), Vol.2, No.2, May 2010 Figure 2. Constellation of Transmitted Signal on PAPR reduction Scheme solve that problem =-=[11]-=-- [12]. The simple and widely used method is clipping the signal to limit the PAPR below a threshold level, but it causes both in-band distortion and out of band radiation. Another well-known techniqu... |

1 | Peak to average power ratio reduction for MIMO-OFDMsystems with decomposed selected mapping
- Gao, Wang, et al.
- 2009
(Show Context)
Citation Context ...ards this end there are several proposals such as clipping, coding and peak windowing [4]. Respectively, reduction of PAPR comes at a price of performance degradation, mainly in terms of rate and BER =-=[5]-=-. This paper proposes to use the ASTC codes as powerful coding techniques for IEEE 802.11x OFDM standard combined with PAPR scheme. ASTC codes can for out a good solution first to overcome the disadva... |

1 | Analysis of ASTC in a correlated rayleigh fading channel with imperfect channel estimation
- Bannour, Ammari, et al.
- 2010
(Show Context)
Citation Context ...ASTC codes can for out a good solution first to overcome the disadvantage of OFDM modulations and second to keep a robustness regarding the BER performances. Theses codes were proposed in 2004 by [6]–=-=[8]-=-, a 2 × 2 STBC obtained using a division algebra. ASTC could exceeds the Alamouti codes performances, thanks to it’s algebraic construction which guarantees three major advantages : First, a nonzero l... |

1 |
Nouvelles constructions algébriques de codes spatio-temporels atteignant le compromis ˇTmultiplexage-diversité ˇT
- Othman
- 2004
(Show Context)
Citation Context ...introduce the best perfect algebraic code known as Golden codes with other tow well famous algebraic space time codes, TAST and DAST as in [7]. A. Golden Encoder The code was proposed in 2004 by [7], =-=[9]-=- a 2 × 2 STBC obtained using a division algebra, which is full rate, full diversity, and has a nonzero lower bound on its coding gain, which does not depend on the 122International Journal of Wireles... |

1 |
Algebraic methods for chanel coding
- Oggier
- 2005
(Show Context)
Citation Context ...The probability that, when x1 is transmitted, over an ASTC-MIMO-OFDM system, the received point is closer to x2 than to x1. For a coherent channel H, the pairwise error probability is performed as in =-=[13]-=-- [14]: (20) (21) Pe = Prob(x1 → x2 | H, x1transmit) (22) ( ‖H(x1 − x2)‖ = Q 2 ) (23) We derive first an upper Chernoff bounds for the conditional error probability [15] [16] [14]: ( ( ‖H(x1 − x2)‖ Pe... |

1 |
Space-time block codes for hight data rate wireless communications: performence criterion and code constration
- Seshadri, Calderbank
- 1999
(Show Context)
Citation Context ...obability that, when x1 is transmitted, over an ASTC-MIMO-OFDM system, the received point is closer to x2 than to x1. For a coherent channel H, the pairwise error probability is performed as in [13]- =-=[14]-=-: (20) (21) Pe = Prob(x1 → x2 | H, x1transmit) (22) ( ‖H(x1 − x2)‖ = Q 2 ) (23) We derive first an upper Chernoff bounds for the conditional error probability [15] [16] [14]: ( ( ‖H(x1 − x2)‖ Pe ≤ exp... |

1 |
Space-frequency coded braod-band systems
- Bolcskeis, Paulraj
- 2000
(Show Context)
Citation Context ...probability is performed as in [13]- [14]: (20) (21) Pe = Prob(x1 → x2 | H, x1transmit) (22) ( ‖H(x1 − x2)‖ = Q 2 ) (23) We derive first an upper Chernoff bounds for the conditional error probability =-=[15]-=- [16] [14]: ( ( ‖H(x1 − x2)‖ Pe ≤ exp Q 2 )) ( ( )) 2 ‖y‖ = exp Q We define y as : 4σ 2 n 2σ 2 n y = H( x1 σx1 4σ 2 n (24) − x2 ) (25) Since y is a hermitian matrix and if we suppose that σx1 = σx2 = ... |

1 |
2010 Ahmed BANNOUR was born in Moknine, Tunisia,in 1982. He received the engineering degree and the M.Sc respectively in Telecommunications in 2006 and in Communications System in 2008 from the National Engineering School of Tunis, Tunisia. From 2006 to 2
- G
(Show Context)
Citation Context ...bility is performed as in [13]- [14]: (20) (21) Pe = Prob(x1 → x2 | H, x1transmit) (22) ( ‖H(x1 − x2)‖ = Q 2 ) (23) We derive first an upper Chernoff bounds for the conditional error probability [15] =-=[16]-=- [14]: ( ( ‖H(x1 − x2)‖ Pe ≤ exp Q 2 )) ( ( )) 2 ‖y‖ = exp Q We define y as : 4σ 2 n 2σ 2 n y = H( x1 σx1 4σ 2 n (24) − x2 ) (25) Since y is a hermitian matrix and if we suppose that σx1 = σx2 = σs th... |