Presentation 1996/8/8
Performance of an Adaptive Array in the Presence of Multipath Waves beyond Degrees of Freedom in the Pattern
Hiroki YAGI, Yasutaka OGAWA, Takeo OHGANE, Kiyohiko ITOH,
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Abstract(in English) In high-speed land mobile communications, multipath waves with delay difference are incident on a receiver because of reflection and scattering from surrounding objects. It is proposed to suppress the multipath waves with an adaptive array. In a case of a low antenna, multipath waves spatially spread widely because of buildings arround the antenna. It is considerd that multipath waves incident on the adaptive array exceed the number of degrees of freedom in the pattern in this scenario. This paper describes behavior of the adaptive array in the presence of multipath waves beyond the degrees of freedom. It is shown that the adaptive array regards multipath waves with 0.1~0.3 symbol duration delay difference as a single wave. Thus, these multipath waves do not consume more than one degree of freedom.
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Keyword(in English) land mobile communications / adaptive array / degrees of freedom in the pattern / multipath waves
Paper # RCS-96-53
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Committee RCS
Conference Date 1996/8/8(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Performance of an Adaptive Array in the Presence of Multipath Waves beyond Degrees of Freedom in the Pattern
Sub Title (in English)
Keyword(1) land mobile communications
Keyword(2) adaptive array
Keyword(3) degrees of freedom in the pattern
Keyword(4) multipath waves
1st Author's Name Hiroki YAGI
1st Author's Affiliation Faculty of Engineering, Hokkaido University()
2nd Author's Name Yasutaka OGAWA
2nd Author's Affiliation Faculty of Engineering, Hokkaido University
3rd Author's Name Takeo OHGANE
3rd Author's Affiliation Faculty of Engineering, Hokkaido University
4th Author's Name Kiyohiko ITOH
4th Author's Affiliation Faculty of Engineering, Hokkaido University
Date 1996/8/8
Paper # RCS-96-53
Volume (vol) vol.96
Number (no) 212
Page pp.pp.-
#Pages 6
Date of Issue