OFDM

The Basics of OFDM and FDM in Wireless Communications

The landscape of wireless communication systems has been transformed by the incorporation of cutting-edge modulation techniques, such as Orthogonal Frequency-Division Multiplexing (OFDM) and Frequency-Division Multiplexing (FDM). OFDM, a method that leverages multi-carrier transmission to divide the available bandwidth into a multitude of subcarriers – each carrying a minute portion of data – is particularly noteworthy. […]

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OFDM

Overview of OFDM technology and its application in wireless communication systems

The enigmatic and unpredictable world of wireless communication systems has witnessed a seismic shift with the introduction of OFDM technology. This revolutionary system has proven to be a game-changer, delivering unparalleled data rates and spectral efficiency. But as with any grand innovation, major challenges loom large. Cellular networks have been grappling with implementing OFDM-based systems

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cyclic prefix in OFDM

Introduction to OFDM and Cyclic Prefix

OFDM – the digital modulation technique that utilizes multiple subcarriers to transmit data over wireless communication channels, is a marvel of technology. By dividing the frequency band into several narrowband subcarriers, each carrying part of the data stream, it provides high spectral efficiency and robustness against multipath fading. But how does OFDM prevent inter-symbol interference

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Comparison of OFDM

Understanding Multi-Carrier Modulation in Wireless Communication Systems

The concept of multi-carrier modulation is a perplexing yet fascinating technique implemented in the realm of wireless communication systems. It enables data to be transmitted over multiple carrier frequencies, thereby enhancing efficiency and reliability compared to single-carrier modulation techniques. The two most popular schemes in this domain are orthogonal frequency-division multiplexing (OFDM) and single-carrier frequency-division

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OFDM handles inter-symbol interference

Mitigating Interference in Wireless Transmission

The perplexing issue of interference plagues wireless transmission, introducing errors and diminishing the data quality during transmission. An effective solution to combat this problem is Orthogonal Frequency Division Multiplexing (OFDM), which partitions the frequency spectrum into various subcarriers, each with its own stream of information. However, in mobile settings where movement causes Doppler shifts, Inter-Carrier

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OFDM

Understanding Wireless Channel Fading and Its Impact on OFDM Systems: This section will provide an overview of wireless communication and channel fading, explaining the impact of fading on OFDM performance

The enigmatic world of wireless communication systems is fraught with numerous types of channel fading, a couple being the notorious multipath and fast fading. The wireless environment poses obstructions such as towering buildings or thick foliage which can cause attenuation leading to signal loss or degradation. With OFDM performance taking a hit due to these

Understanding Wireless Channel Fading and Its Impact on OFDM Systems: This section will provide an overview of wireless communication and channel fading, explaining the impact of fading on OFDM performance Read More »

OFDM

The Fundamentals of OFDM: Understanding the Basics of Orthogonal Frequency Division Multiplexing

Perplexing yet fascinating, Orthogonal Frequency Division Multiplexing (OFDM) is a cutting-edge digital modulation technique that employs an array of subcarriers to transmit data simultaneously. These subcarriers are incredibly unique as they are completely orthogonal to one another, meaning they don’t interfere with each other and can be easily separated at the receiver. This exciting technology

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OFDM

The basics of OFDM: understanding the orthogonal frequency division multiplexing scheme

The concept of dividing the available spectrum into multiple subcarriers is at the heart of Orthogonal frequency division multiplexing (OFDM), a digital modulation scheme that has been causing waves in wireless communication systems. With each subcarrier being orthogonal to one another, they don’t interfere with each other, allowing for high spectral efficiency by transmitting data

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OFDM over other multiplexing techniques

The basics of OFDM and how it differs from other multiplexing techniques

OFDM, a digital modulation technique utilized in wireless communication systems, stands out from other multiplexing techniques. While time-division and frequency-division multiplexing allocate different time slots or frequencies to multiple signals, OFDM divides the available bandwidth into numerous subcarriers that carry a portion of the data. What’s intriguing about OFDM is its ability to mitigate interference

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Orthogonal Frequency Division Multiplexing

Understanding OFDM: A Comprehensive Overview

OFDM is a digital modulation technique used in wireless communication that has perplexed and burst the minds of many. It operates by transmitting data on orthogonal subcarriers that carry various information simultaneously, resulting in an efficient method for transferring large amounts of data over wireless channels. The enigmatic principle behind OFDM lies in its ability

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