A coupler configured to secure a work tool to a machine is provided. The vehicle steering assembly further including a connector rod interconnecting the vehicle steering system and the pivot arm for transmitting linear motion from the vehicle steering system through the connector rod to rotate the wheel assembly. The private key of a member of the group indicates an integer xi between 0 and p\u22121 and, for each period j, an element Ai,j of the group G1 such that Ai,n=Ai,n-1g1,n-11 for 1\u2266n\u2266j. The transmission power level for a communication from the UE is based, in part, on weighting the path loss estimate in response to the quality of the estimate.