Presentation 2005-01-27
A novel desired signal to undesired signal power ratio estimation method in one-sell reuse DPC-OF/TDMA
Masafumi MORIYAMA, Hiroshi HARADA, Seiichi SAMPEI,
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Abstract(in English) In DPC-OF/TDMA (Dynamic Parameter Controlled OF/TDMA), signal interference that comes from other cells is one of serious problems for down link, because adjacent cells a common frequency band. To estimate desired signal power to undesired signal power ratio (DUR) accurately is one of important issues to solve. Our research group has proposed to insert spread code such as cyclic shifted M-sequence or Walsh sequence in frequency domain as DUR estimation symbol. But the estimation accuracy is not enough. In this paper, in order to estimate DUR acculately, we propose to use a new sequence that adds all 1 data in frequency domain to phase difference with a procedure in addition to spread code. The new sequence can insert the spread code separately and super-impose to the code. The new code become pulse data from the viewpoint of time domain and the generation timing of timing can change by changing the phase added to the sequence freely by the order of cellular zone. In this paper, we explain the new DUR estimation method and evaluate improvement of estimated result by computer simulation.
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Keyword(in English) DPC-OF/TDMA / 1cell reuse / DUR / adaptive modulation
Paper # CS2004-157,RCS2004-264
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Committee RCS
Conference Date 2005/1/20(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) A novel desired signal to undesired signal power ratio estimation method in one-sell reuse DPC-OF/TDMA
Sub Title (in English)
Keyword(1) DPC-OF/TDMA
Keyword(2) 1cell reuse
Keyword(3) DUR
Keyword(4) adaptive modulation
1st Author's Name Masafumi MORIYAMA
1st Author's Affiliation National Institute of Information and Communications Technology()
2nd Author's Name Hiroshi HARADA
2nd Author's Affiliation National Institute of Information and Communications Technology
3rd Author's Name Seiichi SAMPEI
3rd Author's Affiliation Graduate school of Engineering, Osaka University
Date 2005-01-27
Paper # CS2004-157,RCS2004-264
Volume (vol) vol.104
Number (no) 598
Page pp.pp.-
#Pages 6
Date of Issue