Realization of a Finite Impulse Response Pulse Shaping Filter for Ultra-Wide Band Electronic Communication System



This paper has addressed the problem to design the Finite Impulse Response (FIR) filter for a pulse shaper used in electronics communication systems for a frequency band of 3.1 to 10.6 GHz, which is unlicensed indoor UWB. Therefore unlikely from the previous approaches, an LSE combined pulse which is a procedural grouping of the initial fifteen higher time offshoots of a Gaussian pulse has been used to obtain desired pulse shape. The impulse outcome of the system doing pulse shaping has been cross validated against FCC indoor channel emission mask and the results are well satisfactory for UWB propagation standards proposed by FCC. The impulse response being highly non-linear poses problems for the implementation. We have solved this problem by using Recursive Least Square (RLS) technique to develop an FIR structure for the pulse shaper of this LSE combined pulse. The attraction of the solution is that the resultant filter structure is simple and cost effective.

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