基于OFDM的多载波MFSK系统

Vehicular Technology Conference Fall 2000. IEEE VTS Fall VTC2000. 52nd Vehicular Technology Conference (Cat. No.00CH37152) Pub Date : 2000-12-01 DOI:10.1109/VETECF.2000.886662

R. Sinha, R. Yates

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引用次数: 18

摘要

介绍了一种新的基于多载波多电平频移键控(MC-MFSK)的扩频多址接入方案。这种新方法既有跳频(FH)和直接序列(DS)扩频系统的一些优点，又克服了它们的一些缺点。MC-MFSK方案使用正交频分复用(OFDM)在多个子信道上并行传输一个符号。MC-MFSK具有频率分集、近远电阻和多径可分辨性等特性。可以说，这不仅使MC-MFSK成为一种简单但具有竞争力的扩频技术，而且使其成为未来高速无线系统的有力候选者。

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An OFDM based multicarrier MFSK system

This paper introduces a new spread-spectrum multiple access scheme based on multicarrier multilevel frequency shift keying (MC-MFSK). This new approach shares some of the advantages of both frequency-hopping (FH) and direct-sequence (DS) spread-spectrum systems, while overcoming some of their disadvantages. The MC-MFSK scheme transmits a symbol in parallel over multiple sub-channels using OFDM (orthogonal frequency division multiplexing). MC-MFSK has the desirable properties of frequency diversity, near-far resistance, and multipath resolvability. Arguably, this not only make MC-MFSK a simple yet competitive spread-spectrum technology but also make it a strong candidate for future high-speed wireless systems.

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来源期刊

Vehicular Technology Conference Fall 2000. IEEE VTS Fall VTC2000. 52nd Vehicular Technology Conference (Cat. No.00CH37152)

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