A phase-shift technique for intermodulation cancellation.

In a multi-carrier transmission system, intermodulation distortion (IMD) is generated because of amplifier non-linearities. The presence of IMD degrades the performance of such systems. In this paper, an IMD cancellation technique based on phase shift is presented. The technique depends on applying pre-determined phase shifts to each carrier signal before they are combined. Then, an increased number of amplifiers are used to enable the cancellation of chosen IMD components. The amount of phase shift depends on the frequency components to be cancelled. Simulation results are presented to show the effectiveness of the technique proposed

Proceedings of the Institution of Electrical Engineers.

Vols.1-87,1872-1940 also called no.1-258.Vols. for -1950 issued in three parts: 1.-General, 2.-Power engineering, 3.-Radio and communications engineering; 1951-54 in four parts: 1.-General, 2.-Power engineering, 3.-Radio and communications engineering; 4,-Monographs., 1955- issued in three parts: Part A, Power engineering, Part B, Radio and electronic engineering, Part C, Monographs.Mode of access: Internet.Issued under the institution's earlier names: 1872-1880, Society of Telegraph Engineers; 1881-1888, Society of Telegraph-Engineers and Electricians (varies slightly).IEE proceedings: Part G, Electronic circuits and systems, ISSN 0143-7089; IEE proceedings: Part H, Microwave, optics and antennas, ISSN 0143-7089; and IEE proceedings: Part I, Solid-state and electron devices, ISSN 0143-7100.to form: IEE proceedings: Part A, Physical science, measurement and education, reviews, ISSN 0143-702; IEE proceedings: Part B, Electric power applications, ISSN 0143-7038; IEE proceedings: Part C, Generation, transmission and distribution, ISSN 0143-7046; IEE proceedings: Part D, Control theory, ISSN 0143-7054;Merged with: IEE journal on electric power aplications, ISSN 0140-1327; IEE journal on computers & digital techniques, ISSN 0140-1335; IEE journal on electronic circuits & systems, ISSN 0308-6984; IEE journal on microwaves, optics & acoustics, ISSN 0308-6976; IEE journal on solid-state & electron devices, ISSN 0308-6968;1970- includes an annual special issue called IEE reviews

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