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 […]
Introduction to OFDM and Cyclic Prefix Read More »
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
Understanding Multi-Carrier Modulation in Wireless Communication Systems Read More »
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
Mitigating Interference in Wireless Transmission Read More »
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
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
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
The basics of OFDM: understanding the orthogonal frequency division multiplexing scheme Read More »
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
The basics of OFDM and how it differs from other multiplexing techniques Read More »
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
Understanding OFDM: A Comprehensive Overview Read More »
The evolution of wireless communication has been nothing short of remarkable, and one technique that stands out is beamforming. This cutting-edge technology allows wireless devices to direct their signals in specific directions, resulting in a significant improvement in signal strength and quality. Its utilization is particularly advantageous for massive MIMO systems where simultaneous data transmission
The Fundamentals of Beamforming in Wireless Communications Read More »
It’s no secret that modern wireless communication systems rely heavily on beamforming technology, especially those operating within massive MIMO networks. With the ever-increasing demand for high-speed data transmission and low-latency applications, this technique has become more vital than ever before. Of course, with 5G network technology now in full swing, it goes without saying that
Introduction to Beamforming in MIMO Radio Systems Read More »
