<http://webisa.webdatacommons.org/prov/516207510>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/271001400> .
<http://webisa.webdatacommons.org/271001400>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/271001400>	<http://www.w3.org/ns/prov#value>	"wherein P.sub.r equals the power at which the signal is received from the base station, k is a constant, P.sub.t equals the power at which the signal is transmitted from the base station, d equals the distance between the base station and the" .
<http://webisa.webdatacommons.org/271001400>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .