{HEAD ~ The performance} and ease of {TAIL ~ management} of wireless communications environments is improved by a mechanism that enables access points to perform automatic channel selection 
of
{ HEAD ~ The performance } and ease of { TAIL ~ management } of wireless communications environments is improved by a mechanism that enables access points to perform automatic channel selection
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH