Wi-fi remembering after sleeping with turned-on bluetooth

Hi Guys!
I found really weird issue for my Macbook Air 13" 2012.
Currently i'm on Mavericks, but not sure - is it Mavaricks's problem or my Air - when bluetooth is on and i close Air, after waking-up laptop doesn't connect to my Wifi network. Macbook sees my network but doesn't "remember" it.
But when bluetooth is off - it's ok. Laptop remember wifi and connects in one moment.
Maybe anybody has or had same problem.
Thanks!

Hi
Been following these discussion regarding mavericks and wifi dropping.
I also had a late 2013 MBP with mavericks preinstalled and everything reinstalled by me by hand (first time ever since the early days of pre OSX with OS6 as always migrated stuff over).
So when wifi started hanging on wake up from sleep I was both peed off after all the handwork and stymied.
So thanks to you all on the forums for offering clues.
These led me to figure out the issue was a conflict between Bluetooth and Wifi.
- Helpful pointers included getting iStumbler to examine network setups.
- Holding down alt key when choosing Wifi menubar icon to examine whether 2.4 or 5ghz channels (potential conflict twixt BT and Wifi competing on 2.4ghz?).
- Looking at the router I was using in terms of network protocol b, g, n, etc.
This led me to realise that the router I was using was an old Sky one with only b and g protocol.
I also had an apple equipment based (base unit and two express extenders) network running the more modern n protocol which was ethernet linked to the Sky router.
I had stopped using it a year previously as it would only pick up 2Mbs speed, compared to 8Mbs for the Sky, and gave up breaking my head as to why.
However on reading comments that referred to a router being the culprit I switched over to the Apple network (ethernet linked to the Sky router) rather than the Sky router only based network and hey presto.
Problem solved.
It seems all is good, no issues whatsover with Wifi dropping on wakeup or during use AND I am getting great speeds (10Mbs+) from the Apple based network, ethernet linked to the Sky router (dont ask why now).
A further note relates back to a historical parallel on my 2010 MBP with Wifi issues which turned out to be the Transmit menu bar icon. That seemed to have been resolved eventually, thanks to forums gathering options.
So when the similar issue arose with Mavericks my memory of this was triggered and I unchecked the Transmit menubar icon, but havent rechecked and rechecked it now I have Bluetooth and Wifi.
Will do after a few days of running the above BT/Wifi solution will post only if it affects the Wifi wakeup use problem.
So many thanks for all the angles and happy hunting for those still adrift with the Wifi dropoff issue.

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Wi-fi remembering after sleeping with turned-on bluetooth

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