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With the hopes of simplifying the use of MFM, an object-oriented approach was taken. Listed below are links to pages describing the different objects used in MFM.
An arbitrary antenna array of one or more elements.
A device with transmit and/or receive capability.
A physical connection between two devices.
A network of devices and the links connecting them.
Object-Oriented Relationships of MFM
To fully understand and use MFM, it is important that users know how the several objects are related.
There are four levels of object hierarchy in MFM. From lowest to highest we have:
- the array/channel level
- the transmitter/receiver level
- the device/link level
- the network level
receiver has an
channels capture propagation between transmit and receive arrays.
devices, which can transmit and/or receive, are comprised of a
links capture the physical connection between
devices, described by the channel and path loss between them.
A collection of
links comprises a
How MFM Can Be Used
MFM can be used in various capacities, depending on one’s use-case.
At the lowest level, for example, users may only use the
array object’s capabilities and no other components of MFM.
In another case, users may want to use MFM as a channel generator, meaning only the
channel objects are necessary.
Taking it a step higher, users may be interested in using MFM at its
link level, without using the
network object at all.
At the highest level, MFM can be used at its
network level, where effectively all components of MFM are being used, such as in the guide A Complete Network-Level Example.
MFM was created under a frequency-flat assumption. It could be extended to frequency-selective channels, but the current version of MFM does not incorporate frequency-selectivity.