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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here

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To: Bernard Levy who wrote (5978)	11/15/1999 8:57:00 PM
From: P2V	Read Replies (1) of 12823

Hi Bernard, Page 8 of the following ( PDF format) document, from Mot.) -- indicates that their proposed PHY upstream protocol is derived from the DOCSIS 1.1 RF interface specification. I have found no references to DOCSIS 1.1 in the Media Access Protocol documents that I have so far been able to download. grouper.ieee.org Now a question (for ANYONE) regarding the MAC documents -- I have been unable to find to an answer to Frank C's questions (or to satisfy my own curiosity) about Channel Contention, or a Collision Avoidance scheme in the xOFDM proposals. My assumption would be that the MAC is the place to include something like CSMA/CA (the 802.11x Carrier Sensing and Collision Avoidance scheme) . If there is no need for such a specification, why not ? Best Regards, Mardy.

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