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Ultra Wideband (UWB) is an attractive technique that enable sharing spectrum with other radio systems to spread spectrum extremely wideband. However, there are potential interferences among those using in the same frequency bands and close range. This paper discusses the interference DAA (Detection And Avoidance) technique for coexisting pulse based UWB and OFDM systems. In a UWB transmitter-receiver,...
This paper discusses an interference detection technique for ultra wideband (UWB) to share the spectrum with other radio system. A detection and avoidance (DAA) technique are required in UWB system from some countries regulations. In most of interference mitigation techniques, it is required to detect existence of interfering signal and its band. However, some band pass filters are needed to detect...
This paper discusses DAA (detection and avoidance) technique for the pulse based Ultra Wideband system to share the same frequency bands with other radio systems. The MC (Multi Carrier) -CDMA modulated signal that is spread from OFDM signal is considered as the coexisting system. The interference mitigation technique is proposed focused on the pulse repetition interval of the pulse based UWB. To mitigate...
This paper discusses an interference DAA (detection and avoidance) technique for the ultra wideband (UWB) to share frequency bands with other radio systems. The effect of interference on DS (direct sequence) -UWB system to OFDM (multi band orthogonal frequency division multiplexing) modulated signal is evaluated. The proposed interference mitigation technique focuses on the symbol repetition cycle...
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