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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here -- Ignore unavailable to you. Want to Upgrade?

To: axial who wrote (5777)	11/1/1999 1:02:00 AM
From: Bernard Levy	Read Replies (3) \| Respond to of 12823

Hi Jim: I would not view VOFDM and WOFDM as equivalent. VOFDM, as one can guess its design from Greg Raleigh's work, uses transmitting and receiver arrays that can exploit signal propagation along multipaths. Two other features that appear important include the use of a frequency interleaver and vector trellis encoder. To simplify things, I would say VOFDM = OFDM plus smart antennas. This being said, the algorithmic implementation must be incredibly complex, and the design of ICs implementing VOFDM may take a lot more time than CSCO expects. Best regards, Bernard Levy