Inter-Numerology Interference Pre-Equalization for 5G Mixed-Numerology Communications
Bugra Alp Cevikgibi, Ali Murat Demirtas, Tolga Girici, Huseyin, Arslan
TL;DR
This paper introduces a pre-equalization technique to completely eliminate inter-numerology interference in 5G multi-numerology OFDM systems, enhancing signal quality at the transmitter side.
Contribution
It provides a mathematical model of INI generation and proposes a novel pre-equalization method to remove INI completely in multi-numerology systems.
Findings
Mathematical model of INI generation
Pre-equalization method effectively removes INI
Improves signal integrity in 5G multi-numerology systems
Abstract
This article proposes a pre-equalization method to remove inter-numerology interference (INI) that occurs in multi-numerology OFDM frame structures of fifth-generation New Radio (5G-NR) and beyond on the transmitter side. In the literature, guard bands, filters and interference cancellation methods are used to reduce the INI. In this work, we mathematically model how the INI is generated and how it can be removed completely for multi-numerology systems on the transmitter side.
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Taxonomy
TopicsPAPR reduction in OFDM · Telecommunications and Broadcasting Technologies · Advanced Wireless Communication Techniques