| http://www.w3.org/ns/prov#value | - As described in EP-B-0 303 371, the transmission signals may be modulated and timing delays between the respective signals may be determined in order to enable the relative location of the roving receiver to be determined, in which case the substitute signals may replicas of the transmitted signals, the system including means for comparing the signals received by the base station and roving receiv
|
