Overview

Wireless Communication has emerged enormously in recent years. The habit of internet turns out to be an obligatory for present-day living lifestyle. Information transformation over wireless medium gets increased due to the development in technology. Information over mobile communication is transferred from base station (BS) to mobile station (MS), vice versa over wireless medium. This leads to increase in users. Future generation (5G) wireless networks objective is to offer high data rate, and supports voice, data and video which requires larger bandwidth. Information's are transferred in the form data, pictures and video to the user. Data, pictures and videos are transmitted through the wireless network in the form of data packets. These are transmitted through antenna. To increase the data rate of transmission Multiple-input-Multiple-output (MIMO) technique is introduced. MIMO helps to transfer large amount of data in short span due to its high data rate performance. Recent studies show that users are increasing rapidly due to this advantage. When users get increased then there will be a lag in the entire performance of the system especially in bit error rate (BER) performance.Movement of the users and propagation in an unconstrained media may leads to fading, shadowing and delay spread. It front-runners to major interferences like Multiple Access Interference (MAI), Co-Channel Interference (CCI) and Inter Symbol Interference (ISI). Research reveals that this will affect the future of wireless communication. These interferences will affect the system's BER performance. Researcher from various countries paid a lot of consciousness on Multi-Carrier Code Division Multiple Access (MC-CDMA) technique. It is one of the most powerful air interfaces for reverse link of next generation broadband mobile communication system and for tranquillize the interferences. MC-CDMA has the welfare of frequency-diversity, better advantages of orthogonal frequency division multiplexing (OFDM) and Code Division Multiple Access (CDMA). MC-CDMA has the high prospective to transmit data's in the form of pictures, voice and video. It enrolls Multi-User detection (MUD) technique to mitigate the effect of interference. MUD algorithm is employed to achieve better BER performance of the system. MUD is used to demodulate mutual interfering signals. MUD reduces the interference to increase the capacity of the channel. It alleviates the problems that occurs nearby as well as far away.Transmitter Pre-processing (TP) is carried out to diminish the interference by signal processing at the transmitter side. Multi-user transmitter preprocessing (MUTP) is for transmitter, multiuser interferences conquestTP can be consummate at the transmitter side. MUTP are categories into mainly two type Optimal Maximum-likelihood sequence estimation (MLSE) and Suboptimal. From there MUTP are different types: Zero Forcing (ZF) MUTP, Minimum Mean Square Error (MMSE) MUTP, Maximum Mutual Information (MMI) MUTP, Minimum Variance Distortionless Response MUTP, etc. With this type of MUTP, system performance can be improved. Turbo Codes has the capacity to increase the gain of the channel. It is error correcting codes that comes closer to Shannon's limit. Turbo codes have an astonishing performance of BER at low signal to noise rate (SNR).Image transmission over wireless medium is a grueling errand for the users. Security of the image has to be taken care of while transmissionEncryption alike Advanced Encryption Standard (AES) and Arnold Cat Map (ACM) are frequently worn encrypting algorithm for secured transmission of data. Compression of image place a vital role when it comes to transmission of image. For compression discrete wavelet transform (DWT) and integrate wavelet transform (IWT) are preferred for their simple computation and low complexity.Super resolution (SR) is a practice castoff for improving the quality of the image.

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