Distributed antenna system for MIMO technologies

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United States of America Patent

PATENT NO 9461719
APP PUB NO 20140064399A1
SERIAL NO

14078949

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Abstract

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A method and system for supporting M1MO technologies which can require the transport of multiple spatial streams on a traditional Distributed Antenna System (DAS). According to the invention, at one end of the DAS, each spatial stream is shifted in frequency to a pre-assigned band (such as a band at a frequency lower than the native frequency) that does not overlap the band assigned to other spatial streams (or the band of any other services being carried by the DAS). Each of the spatial streams can be combined and transmitted as a combined signal over a common coaxial cable. At the other “end” of the DAS, the different streams are shifted back to their original (overlapping) frequencies but retain their individual “identities” by being radiated through physically separate antenna elements.

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Patent Owner(s)

  • CORNING OPTICAL COMMUNICATIONS WIRELESS LTD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berlin, Igor Potomac, US 51 1966
Oren, Yair Washington, US 20 684
Reuven, Rami Rishon Letzion, IL 19 681
Saban, Ofer Vienna, US 51 2627
Shapira, Isaac Petach Tikva, IL 43 2048

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