Program for selecting {HEAD ~ an optimum access point} in {TAIL ~ a wireless network} on a common channel 
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Program for selecting { HEAD ~ an optimum access point } in { TAIL ~ a wireless network } on a common channel
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH