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Massive MIMO in 5G
1. Introduction The exponential growth in mobile data traffic, driven by 4K/8K video, cloud gaming, AR/VR, industrial IoT, and private 5G networks, has forced wireless systems to evolve beyond traditional antenna systems. One of the most transformative technologies enabling 5G performance is Massive MIMO (Multiple Input Multiple Output). Unlike conventional MIMO (2x2, 4x4, 8x8), Massive MIMO scales antenna elements to tens or even hundreds at the base station, enabling spatia
Venkateshu Kamarthi
Feb 2111 min read
5G NR - Frequency Domain Resource Allocation
Introduction At its core, frequency domain resource allocation involves dividing the available radio spectrum into smaller, manageable...
Venkateshu Kamarthi
Jul 17, 20256 min read
Cyclic Prefix (CP) in LTE & 5G
Introduction Cyclic Prefix (CP) is a crucial component in Orthogonal Frequency Division Multiplexing (OFDM) systems, which are the...
Venkateshu Kamarthi
Jun 26, 20256 min read
Understanding FFT and IFFT in OFDM
1. Introduction Orthogonal Frequency Division Multiplexing (OFDM) is a powerful modulation technique used in modern wireless...
Venkateshu Kamarthi
Jun 19, 20254 min read
Understanding and Mitigating PAPR in OFDM Systems
Orthogonal Frequency Division Multiplexing (OFDM) is a cornerstone of modern wireless communication systems, offering robustness against...
Venkateshu Kamarthi
Jun 16, 20255 min read
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