This paper proposes a novel time-frequency warped waveform for short symbols, massive machine-type communication (mMTC), and internet of things (IoT) applications. The is composed asymmetric raised cosine (RC) pulses to increase the signal containment in time frequency domains. has low power tails domain, hence better performance presence delay spread offsets. time-axis warping unitary transfor...

The apodization function has a significant impact on the state of art group delay, dispersion compensation, and acceptable decrease in side lobes spectrum Fiber Bragg Grating (FBG) reflection. Accordingly, grating length would be considered backbone parameter order to achieve distinguishable performance. Here, utilization influence presence FBG is compensator. In addition, we have implemented t...

Spectrally efficient communication is studied for short-reach fiber-optic links with chromatic dispersion (CD) and receivers that employ direction-detection oversampling. Achievable rates symbol error probabilities are computed by using auxiliary channels account memory in the sampled strings. Real-alphabet bipolar complex-alphabet symmetric modulations shown to achieve significant energy gains...

The discrete cosine transform (DCT), introduced by Ahmed, Natarajan and Rao, has been used in many applications of digital signal processing, data compression and information hiding. There are four types of the discrete cosine transform. In simulating the discrete cosine transform, we propose a generalized discrete cosine transform with three parameters, and prove its orthogonality for some new...

The fifty-year progress of faster-than-Nyquist (FTN) signaling is surveyed. FTN exploits non-orthogonal dense symbol packing in the time domain for sake increasing data rate attained. After reviewing system models both conventional Nyquist-based and transceivers, we survey evolution techniques, including their low-complexity detection channel estimation. Furthermore, addition to classic philoso...