Overview of MC CDMA PAPR Reduction Techniques
B.Sarala (1), D.S.Venkateswarulu (2) B.N.Bhandari (3) ((1), Department of ECE, M V S R Engineering College, Hyderabad, (2) Department of, ECE, Progressive Engineering College, Cheekati Mamidi, HMDA, Hyderabad, (3), Department of ECE, JNTU, Hyderabad, India)
TL;DR
This paper reviews various techniques for reducing the Peak to Average Power Ratio in MC CDMA systems, addressing challenges like power efficiency and system performance.
Contribution
It provides a comprehensive overview of PAPR reduction methods, discussing technical issues and criteria for selecting suitable techniques in MC CDMA systems.
Findings
Summarizes key PAPR reduction techniques
Analyzes technical challenges and selection criteria
Highlights trade-offs between power, BER, and complexity
Abstract
High Peak to Average Power Ratio (PAPR) of the transmitted signal is a critical problem in multicarrier modulation systems (MCM) such as Orthogonal Frequency Division Multiplexing (OFDM), and Multi-Carrier Code Division Multiple Access (MC CDMA) systems, due to large number of subcarriers. High PAPR leads to reduced resolution, and battery life. It also deteriorates system performance. This paper focuses on review of different PAPR reduction techniques with attendant technical issues as well as criteria for selection of PAPR reduction technique. To reduce PAPR the constraints are low power consumption, and low Bit Error Rate (BER). Spectral bandwidth is improved by better spectral characteristics, and low complexity/cost.
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Taxonomy
TopicsPAPR reduction in OFDM · Advanced Wireless Communication Techniques · Advanced Wireless Communication Technologies