Presentation	2004/1/7 A Proposal of a Common-band Wireless Communication System Noriaki Ishida,
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Abstract(in English)	The wireless communications including FWA are rapidly progressed. Therefore, the scarcity of frequencies continues to worsen. This paper proposes a new system, the common -band wireless communication system, for the purpose of effective use of the frequency spectrum. It provides two-way communications with the same frequency bands and the same polarization, using a canceling circuit that cancels the transmitted signal which cause interference to a received signal. In the case of FWA at 25 GHz on a 1 km hop, if a canceling circuit reduces the interference signal to 30dB, carrier-to-interference ratio will be about 38dB. This means that the common-band wireless communication system is realizable.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	Effective use of frequency spectrum / wireless communication / common-band, canceling circuit / interference
Paper #	DSP2003-139,SAT2003-136,RCS2003-234
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Conference Information
Committee	SAT
Conference Date	2004/1/7(1days)
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Paper Information
Registration To	Satellite Telecommunications (SAT)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	A Proposal of a Common-band Wireless Communication System
Sub Title (in English)
Keyword(1)	Effective use of frequency spectrum
Keyword(2)	wireless communication
Keyword(3)	common-band, canceling circuit
Keyword(4)	interference
1st Author's Name	Noriaki Ishida
1st Author's Affiliation	Wireless System Laboratory()
Date	2004/1/7
Paper #	DSP2003-139,SAT2003-136,RCS2003-234
Volume (vol)	vol.103
Number (no)	548
Page	pp.pp.-
#Pages	5
Date of Issue