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Blind Equalisation with Adaptive Antenna Array

Adaptive Antenna is one of the hottest research areas. There is not single algorithm or techniques that can cope with all different propagation environments. A software antenna has been proposed to provide an effective means to cope with changes in the surrounding environment, #by combination of different techniques such as beam forming, equalizers and adaptive algorithms. Recently blind algorithms (where there is no need for reference signals) have been incorporated within these techniques specially to improve overall system capacity.

The aim of this project is to implement a blind re-configurable Adaptive antenna system, which will consist of beam formers and equalizers and varieties of Constant Modulus algorithms, where combinations of different CM algorithms can be used to mitigate different changes in the environment. A simple architecture of a proposed system is shown below.

Each different algorithm has its own unique performance. In different environments by having more than one specific algorithm gives the base station move flexibility and the advantage of best performance for each situation. These types of systems are more complex to implement than conventional ways but once the main platform of the system is implemented it can be very easily maintained when new algorithms are.

David Annalingam (BEng)
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