Question: 2. Suppose a device uses an 802.11 MAC protocol to reserve the communication channel before transmitting. Suppose the device does sensing the channel and assumes

2. Suppose a device uses an 802.11 MAC protocol to reserve

2. Suppose a device uses an 802.11 MAC protocol to reserve the communication channel before transmitting. Suppose the device does sensing the channel and assumes the channel to be idle and wants to transmit 1000Bytes of data. Assume the transmission rate s Mbps. Use the following diagram to answer the questions DIFS data sender SIFS SIFS SIFS DIFS data other stations defer access contention INFO 3180 a. Draw a communication diagram showing the sequence of messages transmitted between sender, receiver and other stations b. Calculate the time required to transmit the frame and receive the Ack as function of SIFS and DIFS Ignore the propagation delay and assume no bit error rate. The transmission timeNo. of bits/Transmission rate. Both a control frame and a frame without data is 32Bytes. Each data frame needs 32 bytes of header DIFS data sender SIFS SIFS SIFS DIFS data other stations defer access 2. Suppose a device uses an 802.11 MAC protocol to reserve the communication channel before transmitting. Suppose the device does sensing the channel and assumes the channel to be idle and wants to transmit 1000Bytes of data. Assume the transmission rate s Mbps. Use the following diagram to answer the questions DIFS data sender SIFS SIFS SIFS DIFS data other stations defer access contention INFO 3180 a. Draw a communication diagram showing the sequence of messages transmitted between sender, receiver and other stations b. Calculate the time required to transmit the frame and receive the Ack as function of SIFS and DIFS Ignore the propagation delay and assume no bit error rate. The transmission timeNo. of bits/Transmission rate. Both a control frame and a frame without data is 32Bytes. Each data frame needs 32 bytes of header DIFS data sender SIFS SIFS SIFS DIFS data other stations defer access

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