Subject: [manet] Multi-rate on 802.11b?

From: "������" <[email-masked]>
Date: Sun, 30 Nov 2003 14:16:39 +0800

hi,
	I have been working on muli-rate of 802.11 and I have read from waveLan White Paper that:
at the same BER, in the closed environment, the range of 11Mbps, 5.5Mbps, 2Mbps and 1Mbps are as following: 25m, 35m, 40m, 50m.
	 Let us just look at 5.5Mbps, it's range is 35m, and just 5m farther(namely 40m), the rate is cut down to 2Mbps. Is this true in reality? How does they get the data? Can anybody show me some data of other kinds of 802.11 Cards? (i have googled for it, but didn't find any other cards that given detailed data about different data rates.) 
	Thanks in advance.

¡¡¡¡

¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
 				
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Shihong Zou
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡[email-masked]
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2003-11-30

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