[PDF] Top 20 PERFORMANCE OF TURBO CODED OFDM IN WIRELESS APP

... The original version of the standard IEEE 802.11 released in 1997 specifies two raw data rates of 1 and 2 megabits per second (Mbit/s) to be transmitted via infrared (IR) signals or by either Frequency hopping or ... See full document

... The performance of various blind mode signaling schemes was documented in [1], [3] under the assumption that, in case of a modem mode signaling error, the BER was ...The performance degradations imposed by ... See full document

... as wireless communications channels are far more hostile as opposed to wire alternatives, and the need for mobility proves especially challenging for reliable ...of OFDM are its multi-path delay spread ... See full document

... When transmitted signals have high PAPRs, amplifiers may produce “clipping”. In some way, clipping can be regarded as peaks of the input signal being simply cut-off by amplifiers. Consequences of clipping are out-of-band ... See full document

... The PAPR reduction scheme which is called “μ-Law output subtracting IFFT output” is applied in the OFDM simulation platform. It originates from μLaCP [10]. The idea behind the mechanism is the same. The input of ... See full document

... achievable turbo-coded Code-Word Er- ror Rate (CWER), where a Code-Word corresponds to a single turbo- coded OFDM/MC-CDMA symbol, and (b) the MSE performance of the channel ... See full document

... for wireless DVB transmission. The turbo codec is shown to provide Signal-to-Noise Ratio (SNR) performance advantages in excess of 5–6 dB over conventional convolutional coding both in terms of bit ... See full document

... tems’ performance has been Orthogonal Frequency Division Multiplexing ...of wireless systems. Moreover, as OFDM presented excellent toler- ance of channel fading and noise signals, the evolvement in ... See full document

... an OFDM which is suitable for high data rate transmission with a Forward Error Correction (FEC) method over a wireless channels have been done already by many ...an OFDM system by adding Turbo ... See full document

... space-time turbo trel- lis coded modulation ...significant performance improve- ment compared to the traditional STTC scheme on fast and block fading ...ST turbo TCM is less sen- sitive to any ... See full document

... the performance of the SISO decoder in the next iteration of the turbo pro- ...decoding turbo processing, we also develop a coarse CFO, SFO, and CIR estimation scheme (that was not studied in [27]) ... See full document

... over wireless channels is proposed. Our scheme, termed Punctured turbo coded SPIHT (PTCS), was implemented over OFDM systems with spatial diversity is proposed, where neither feedback channel ... See full document

... Much of the research focuses on the high efficient multicarrier transmission scheme based on "orthogonal frequency" carriers. In 1971 Weinstein and Ebert applied the discrete Fourier transform (DFT) to parallel ... See full document

... output OFDM signal is encoded through LDPC encoder and the coded output is the given input to an electro optic intensity modulator (EOIM) and the EOIM output is then transmitted over an atmospheric ... See full document

... employing Coded OFDM with different channel coding ...convolutional coded and turbo coded data in an Additive White Gaussian Channel (AWGN) based on different constraint lengths and ... See full document

... The bit rate of each user can also be adapted according to the near-instantaneous channel quality, in order to mitigate the effects of channel quality fluctuations. Kim [660] analysed the performance of two ... See full document

... One of the important mechanisms is to combine modulation scheme with forward error correcting codes (FEC). Where, a high data transmission speed is provided by a high order modulation scheme but it causes more ... See full document

... the performance of the punctured convolutional code with different ...its performance as the case of the original convolutional code, and its benefit is to save some decoding time and complexity by saving ... See full document

... with OFDM and Turbo code ...used turbo coding which works efficiently with low SNR compared to other coding techniques (Geethu and Narayanan, 2015a, b) and OFDM has been performed through ... See full document

... the performance difference be- tween the two- and four-antenna scenarios was higher for the lower-order modulation modes and the performance difference decreased, as the number of bits per modulated symbol ... See full document