Application of OFDM Technology in 4G Mobile Network-Reference-Cited by-同舟云学术

Application of OFDM Technology in 4G Mobile Network

Published:2014-09 Issue: Volume:631-632 Page:851-855
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Liu Qiao Ping¹,Yang Yan Ning¹,Li Wei Xia¹

Affiliation:

1. Yan’an University

Abstract

OFDM (Orthogonal Frequency Division Multiplexing) is a special kind of multi-carrier digital modulation technique. Each OFDM subcarrier exists orthogonality and great use of spectrum resources. To a certain extent, the problem of shortage of spectrum resources will be eased in the future. OFDM has a good ability to resist inter symbol interference and fight against frequency selective fading, and be able to adapt to the future wireless high-speed data transmission without distortion. Each channel modulation and demodulation with FFT and IFFT is easy to implement and meet the need of the business in the wireless communication system. The paper introduces the basic principle of OFDM technology, describes the advantages of OFDM and the defects needed to be overcome. Moreover, we analyzes the characteristics of 4G technology and discusses the application of OFDM in 4G mobile network.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.631-632.851.pdf

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