Wireless lan

Consider a baseband bus with a number of equally spaced stations with a data rate of 10 Mbps and a bus length of 1 km 6. What the mean time send a frame of 1000 bits to another station, measured from the beginning of transmission to the end of reception? Assume a propagation speed of 200 m/micro second a. 7. Explain the architecture of Bluetooth technology. What type of Network model is it? 8. Why does the backbone of a WLAN have the wired connection? What are your proposals to remove the cable from the backbone