Wireless LAN HW

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its about a wireless LAN hm , please see file

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Wireless LAN 5.1. List and briefly define important factors that can be used in evaluating or comparting the various digital-to-digital encoding techniques 5.7 . What function does a modem perform? 5.10 What is QAM? Explain with examples. 5.6. Create a bit stream with 0s and 1s from your student id: Replace the numbers with 1 and leave the 0s as is. Sketch the diagram for the following encoding format. a) NRZ-L b) NRZI c) Bipolar-AMI d) Manchester and e) Differential Manchester 5.9 The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown in Fig 5.24(page 183). Find the errors in the bit transmission and locate where they are. 5.11 Take the second half from the bit pattern from the question 5.6 If your student id ends with even number, otherwise take the first half. Encode this data using ASK, BFSK and PBSK 2.6: What is TCP/IP? Explain. 2.9 What version of IP is the prevalent today? 2.1 (a,b) From book page 64 From Figure -2.1 Protocol Architectures and Networks Assume that the numbers appearing in each computer is a port number, IP addresses are as follows Computer A: 255.255.198.20 Computer B: 255.255.200.30 Computer C: 255.255.198.30 For the following questions, the port number is even if your student id ends with even. Otherwise, use the old number What is the address to get to C from A? What is the address to get to C from A?
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Running head: WLAN DISCUSSION

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WLAN discussion
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Running head: WLAN DISCUSSION

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WLAN discussion
1. List and briefly define important factors that can be used in evaluating or comparting the
various digital-to-digital encoding techniques
Clocking: encoding process is vital in streaming the bit and the clock system will assist to
synchronize the transmitter and the receiver.
Signal spectrum; in situation where there is lack of high frequency components then it means
that there will be less bandwidth needed for transmission. On the other hand, the magnitude of
the effects of interference and signal depends on the transmitted signal properties.
Cost and complexity; a greater cost is necessary in order to achieve a higher signal rate of a
given data rate. Some of the codes need a rate of signaling that is greater than the actual data
rate.
2. Function of a modem
This is an internal or external electronic device that is used for the purpose ...


Anonymous
Really great stuff, couldn't ask for more.

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