EFFECT OF TRANSCEIVER INTERMODULATION DISTORTION ON THE PERFORMANCE OF ARRAY ANTENNA PATTERNS

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DADASHZADEH G.; HAKAK M.; JEDARI E.; KAMAREEI M.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH) Year:2004 | Volume:15 | Issue:3 Page(s): 17-23

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Title

EFFECT OF TRANSCEIVER INTERMODULATION DISTORTION ON THE PERFORMANCE OF ARRAY ANTENNA PATTERNS

Author(s)

DADASHZADEH G. | HAKAK M. | JEDARI E. | KAMAREEI M. | Issue Writer Certificate

Keywords

AM-AM CONVERSIONQ4

AMPLITUDE AND PHASE DISTORTIONQ4

ARRAY ANTENNAQ4

RF/IF CHAINQ4

LOW NOISE AMPLIFIERQ4

Abstract

The use of ARRAY ANTENNAs in mobile telecommunication systems has proven to increase the spectrum efficiency of the system. The use of beamforming techniques poses high linearity demands on both the RF/IF up and down conversion chain. In this paper, an overview of the various nonlinear effects is first presented. By the way amplitude distortion produced in the transmitter up conversion chain and amplification that can affect the antenna beam specification is simulated. Results show that the IMD products increase the level of spurious radiation and ultimately reduce the performance of the beamformer. In the receiving mode, AM-AM CONVERSION due to gain compression of the LOW NOISE AMPLIFIERs (LNAs) is modeled and the beam pattern degradation is simulated. Using behavioral modeling, a new relation for AM-PM conversion is established as a gain compression. Results show that the AMPLITUDE AND PHASE DISTORTION of the LNA vary for different gain setting and over signal bandwidth and indicate the need for regular calibration in using beamforming techniques. Also, results show that the produced radiation pattern is more affected by AM-PM distortion rather than AM-AM distortion.

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APA: Copy

DADASHZADEH, G., HAKAK, M., JEDARI, E., & KAMAREEI, M.. (2004). EFFECT OF TRANSCEIVER INTERMODULATION DISTORTION ON THE PERFORMANCE OF ARRAY ANTENNA PATTERNS. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), 15(3), 17-23. SID. https://sid.ir/paper/52606/en

Vancouver: Copy

DADASHZADEH G., HAKAK M., JEDARI E., KAMAREEI M.. EFFECT OF TRANSCEIVER INTERMODULATION DISTORTION ON THE PERFORMANCE OF ARRAY ANTENNA PATTERNS. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH)[Internet]. 2004;15(3):17-23. Available from: https://sid.ir/paper/52606/en

IEEE: Copy

G. DADASHZADEH, M. HAKAK, E. JEDARI, and M. KAMAREEI, “EFFECT OF TRANSCEIVER INTERMODULATION DISTORTION ON THE PERFORMANCE OF ARRAY ANTENNA PATTERNS,” INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), vol. 15, no. 3, pp. 17–23, 2004, [Online]. Available: https://sid.ir/paper/52606/en

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