# Effects of Interference and Mitigation Using Notch Filter for the DVB-S2 Standard  
[PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; [EMAIL_ADDRESS] (G.G. ); [EMAIL_ADDRESS] (P.I. ); [EMAIL_ADDRESS] (R.L.J. ); [EMAIL_ADDRESS] (G.G. )1  
[PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; [EMAIL_ADDRESS] (G.G. ); [EMAIL_ADDRESS] (P.I. ); [EMAIL_ADDRESS] (R.L.J. ); [EMAIL_ADDRESS] (G.G. )1  
[PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; [EMAIL_ADDRESS] (G.G. ); [EMAIL_ADDRESS] (P.I. ); [EMAIL_ADDRESS] (R.L.J. ); [EMAIL_ADDRESS] (G.G. )1  
[PERSON]. [PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; [EMAIL_ADDRESS] (G.G. ); [EMAIL_ADDRESS] (P.I. ); [EMAIL_ADDRESS] (R.L.J. ); [EMAIL_ADDRESS] (G.G. )1  
[PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; [EMAIL_ADDRESS] (G.G. ); [EMAIL_ADDRESS] (P.I. ); [EMAIL_ADDRESS] (R.L.J. ); [EMAIL_ADDRESS] (G.G. )1  
[PERSON]  
1 LASSENA Laboratory, Ecole de Technologies Superieure (ETS), 1100 Notre-Dame West Street, Montreal, QC H3C 1K3, Canada; gabriel. especially on navigation, since it can cause a complete or partial signal loss. Multiple devices using navigation for guidance can be affected, including cars, airplanes, satellites, etc. [2,4]. The effects vary between error in positioning measurements to the complete loss of navigation and this could have huge consequences such as a collision between two vehicles, which can result in loss of lives. On communication systems, however, the interference still has an important impact and reduces the quality of the communication by increasing the BER and packet loss [5]. For multiple communication protocols, interference mitigation techniques were developed and implemented since the effect of the interference is important on the system [6]. For example, the Spatial MMSE (Minimal Mean Square Error) and the Spatial MMSE-SIC (Successive Interference Cancellation) are methods used for multiple interference detection and cancellation. The idea is to identify how many interference signals are overlapping the desired information and attenuate them with filters in a cascade [7]. A CWI is an electromagnetic wave with constant frequency and amplitude such as a sine wave and it is very frequent in RF Spectrums. The primary focus is on a single narrow band CW interference, which looks like a sharp peak on a Power Spectral Density (PSD) diagram [8,9]. By analyzing the effect of the narrowband interference on the receiver, it will be easier to target the optimal position of the mitigation system in the structure to enhance the CWI detection and removal process. By knowing what parts of the receiver are more vulnerable to CWI, it is possible to improve the robustness of those parts to avoid possible accidents in the future. In a simple telecommunication channel, there are more destructive effects than simply the Additive White Gaussian Noise (AWGN). The two most common effects are Doppler (or carrier shift) and variable time delay in path link [10]. To handle these negative channel effects and compensate for their drawbacks, a typical digital receiver utilizes different digital signal processing blocks. Fulfilling the task of digital reception, the structure of the physical layer of a digital receiver is divided into four important parts. The first part is the signal constellation which is the data demodulated by the receiver [11]. The second part is the symbol timing recovery which fulfills the correct sampling time duty [12]. Symbol timing is crucial in order to correctly extract the transmitted symbols with maximum energy from the upsampled signal.