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MGT 330 Week 1 DQ 1

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Running head: TIME DIVISION MULTIPLE ACCESS,FREQUENCY 1
Time Division Multiple Access, Frequency Division, Multiple Access, and Orthogonal
Frequency Division Multiplexing
NTC362
Daniel Aldama
.

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TIME DIVISION MULTIPLE ACCESS,FREQUENCY 2
Frequency Division Multiple Access
As the name implies, Frequency Division Multiple Access (FDMA), utilizes
Frequency Division Modulation (FDM) to separate the given spectrum into individual
analog bands or channels. A simplified view of how this is done can be seen in figure 1
below. Each of these channels is then able to facilitate communication for a single user.
According to (Goleniewski, 2007) each FDMA cell is able to facilitate about 60 users,
which is very a low number by current standards.
Figure 1. Goleniewski, L. (2007). Example of FDMA channel separation.
FDMA was short lived as a viable option for commercial use on its own; however,
it was an important step in the right direction. I say this because it is now a critical part
of multiple other techniques, where it is used to divide spectrum into channels before
other modulation techniques are applied. Once such technology is the one explained
next.

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Time Division Multiple Access, Frequency Division, Multiple Access, and Orthogonal Frequency Division Multiplexing NTC362 Daniel Aldama . Frequency Division Multiple Access As the name implies, Frequency Division Multiple Access (FDMA), utilizes Frequency Division Modulation (FDM) to separate the given spectrum into individual analog bands or channels. A simplified view of how this is done can be seen in figure 1 below. Each of these channels is then able to facilitate communication for a single user. According to (Goleniewski, 2007) each FDMA cell is able to facilitate about 60 users, which is very a low number by current standards. Figure 1. Goleniewski, L. (2007). Example of FDMA channel separation. FDMA was short lived as a viable option for commercial use on its own; however, it was an important step in the right direction. I say this because it is now a critical part of multiple other techniques, where it is used to divide spectrum into channels before other modulation techniques are applied. Once such technology is the one explained next. Time Division Multiple Access Time Division Multiple Access or TDMA is a channel access that is shared out and is used on medium networks. This is also known as the 2G network that is slowly being phased out. What TDMA does is it allows multiple users to share the same channel within a network. This is accomplished by splitting a single channeling into two or three different time slots to maximize the data flow. ...
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