By Jack L. Burbank
This e-book offers the practising engineer with a concise directory of industrial and open-source modeling and simulation instruments presently to be had together with examples of enforcing these instruments for fixing particular Modeling and Simulation examples. rather than concentrating on the underlying conception of Modeling and Simulation and primary development blocks for customized simulations, this ebook compares structures utilized in perform, and offers principles permitting the working towards engineer to make use of on hand Modeling and Simulation instruments. This ebook will include insights relating to universal pitfalls in community Modeling and Simulation and functional tools for operating engineers.
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Extra info for An Introduction to Network Modeling and Simulation for the Practicing Engineer (The ComSoc Guides to Communications Technologies)
Because antennas are not considered in the Friis equation and more generally because of its simplistic form, it may produce an overly optimistic path loss for the desired user. Although this may produce an advantage in terms of received power for the desired transmitter, it is not necessarily an increase in SINR; interferers that also experience a favorable free-space path loss can raise the noise floor at the desired receiver by arriving more powerfully than expected . The simulation designer must consider the acceptable margin of error in his or her simulation.
An in-depth treatment of all topics concerning fading channels is beyond the scope of this book and references such as  should be consulted if more details are desired; however, some details describing the time-dispersive fading channel characteristics are included here to equip the reader with the background to potentially consider these characteristics in future simulations and to better explain the mapping between simulation results and real-world experimentation. The power delay profile characterizes the instantaneous arrival of multipath components at the desired receiver from the first arrival to the last arrival, where the y-axis demonstrates the relative power of each multipath component.
It is assumed that the reader who is unfamiliar with dB notation can find a suitable tutorial and hence no overview of decibels is included here. Although Watts are typically used to report power, the Watt does not capture the large dynamic range of path loss and receiver sensitivity. , BPSK). Satellite Communications (SATCOM) systems can have receiver sensitivities in the range of −120 dBm and third generation (3G) cellular handsets typically receive signals of −75 to −80 dBm, although this depends on how the downlink (DL) power is measured in these Code Division Multiple Access (CDMA) systems.
An Introduction to Network Modeling and Simulation for the Practicing Engineer (The ComSoc Guides to Communications Technologies) by Jack L. Burbank