Chapter 4

Interference Functions – A Mathematical Framework for MIMO Interference Networks

MartinSchubert

The author wishes to acknowledge Holger Boche for his contributions to this work.

Future wireless networks will need to support high data rates in order to meet the requirements of multimedia services. Also the user density will be much higher than today. In addition to the communication between people, there will be an increasing amount of data communication between devices.

In this context, interference emerges as the key performance limiting factor. Interference determines how many users/terminals per area can be served at a certain data rate. Assigning each user a separate resource is not always an efficient way of organizing the system. ...

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