802.11g which is the extension of 802.11b also defines MAC layer specification. For instance, 802.11g requires sending CTS frame before transmissions where 11b stations are detected(CTS-to-self).
On Fri, 17 Sep 2004 13:46:42 -0500, Harshal Chhaya <[EMAIL PROTECTED]> wrote: > Arun Chandran wrote: > > I am quite new WLAN . Can any one tell me, is there any difference > > in IEEE 802.11a+b MAC layer specifications compared to standard > > IEEE 802.11 MAC layer specifications > > Arun, > > 802.11a and 802.11b are PHY layer standards. They both use the same > MAC as the original 802.11 standard. > > The MAC and the Physical layer standards are fairly independent of > each other. This allows the IEEE to enhance one without changing the > other. For eg. the 802.11e activity will add QoS functionality to the > MAC which can then be used with any of the physical layers (802.11a or > b or g). > > Hope this helps, > - Harshal > -- > Keep with with ZigBee (802.15.4) news. Visit http://www.chhaya.org/zigbee/ > > > > > > ******* > Wireless LAN Weblog - WLAN Forum > http://www.wireless--lan.com/ > > Wireless LAN Search > http://search.freefind.com/find.html?id=6750665 > > Wireless LAN Jobs - WLAN Jobs > http://groups.yahoo.com/group/wlanjobs/ > > http://www.azhttp.com/ > <a href="http://www.azhttp.com/";> Arizona High Tech Talent Partnership</a> > > http://www.science-fairs.com/ > <a href="http://www.science-fairs.com/";> Science Fairs</a> > > If you got this from someone else you can join at > http://groups.yahoo.com/group/wirelesslan/ or > mailto:[EMAIL PROTECTED] > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Yahoo! Groups Links > > > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Make a clean sweep of pop-up ads. Yahoo! Companion Toolbar. Now with Pop-Up Blocker. Get it for free! http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/5AhqlB/TM --------------------------------------------------------------------~-> ******* Wireless LAN Weblog - WLAN Forum http://www.wireless--lan.com/ Wireless LAN Search http://search.freefind.com/find.html?id=6750665 Wireless LAN Jobs - WLAN Jobs http://groups.yahoo.com/group/wlanjobs/ http://www.azhttp.com/ <a href="http://www.azhttp.com/";> Arizona High Tech Talent Partnership</a> http://www.science-fairs.com/ <a href="http://www.science-fairs.com/";> Science Fairs</a> If you got this from someone else you can join at http://groups.yahoo.com/group/wirelesslan/ or mailto:[EMAIL PROTECTED] To unsubscribe: mailto:[EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/wirelesslan/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
