Our aim is to study the power margin of a cellular network. Suppose that a mobile is moving along a straight line from base station BS1 to bases station BS2. The distance between the two base stations is D=1600m. When the user is at distance from a base station, do=1m, the received power is Po=odBm. The received power from BS1 (to a user) and BS2 (to a user) follows the following relation: Pr(d) = P. - 1onlog(d/d) in dBm, where n is the path loss coefficient assumed 4. Suppose that the minimum usable signal for acceptable voice quality is Pr,min=-118, and the threshold level for handoff initiation is Pr,HO =-112, both in dBm. Assume that we can neglect the height of antennas. (2 points) What is the significance of power margin in Handoff? Compute the power margin in the considered system. (2 points) What is the distance from BS1 for initiating the handoff? 3- (2 points) What is the limiting distance for handoff (from BS1)? 4- (2 points) Suppose that the handoff needs 3 secs to be done. What is the maximum supported speed of user to have a successful handoff? 5- (1 points) Is this deployment suitable for cars? Justify 6- (1 points) State a case for which the accepting base station (BS2) may not be able to accept the handoff even if a good handoff margin is considered, and propose a solution