Ericsson overlook? Message Board

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Technology Stocks : Ericsson overlook?

ERIC 9.855

-1.5%

Nov 13 3:59 PM EST

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To: Peter J Hudson who wrote (2716)	2/2/1999 11:08:00 AM
From: Clarksterh	Read Replies (1) of 5390

Peter - The quantity of data that can be encoded and modulated in a given bandwidth is independent of carrier frequency. Actually in a cell system, where the 'noise' in signal-to-noise ratio is from neighboring cells' signals, this is true to first order, but not completely true. The reason is that higher frequencies attenuate faster and thus interfere less with the neighboring cells even independent of cell spacing. In a typical city environment a 2GHz signal will be 3 or 4 dB more attenuated 1 km out than a 800 MHz signal, and that results in several dB improvement in S/N even for the same cell sizes. Clark

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