Question

Ture or false question 1. Slotted aloha has higher thoughput than pure aloha 2. pure aloha...

Ture or false question

1. Slotted aloha has higher thoughput than pure aloha

2. pure aloha has higher complexity than slotted aloha

3. slotted aloha has higher throughput when the capture threshold is larger

4. in the fading channel, a pkt can always be received successfully if there is no collision

5.all peakets have the same length in slotted aloha

Homework Answers

Answer #1

1-True

The maximum throughout for pure aloha is 18% while for slotted aloha is 37%.

2-FALSE

3-True

4-false

In wireless communications, fading is variation of the attenuation of a signal with various variables. These variables include time, geographical position, and radio frequency. Fading is often modeled as a random process. A fading channel is a communication channel that experiences fading. In wireless systems, fading may either be due to multipath propagation, referred to as multipath-induced fading, weather (particularly rain), or shadowing from obstacles affecting the wave propagation, sometimes referred to as shadow fading.

5-true

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