By Shyamnath Gollakota
This booklet, a revised model of the author's award-winning Ph.D. dissertation, takes an alternative technique: rather than viewing interference as an inherently counterproductive phenomenon that are supposed to to be shunned, we layout functional structures that remodel interference right into a innocuous, or even a worthy phenomenon. to accomplish this aim, we reflect on how instant indications have interaction once they intrude, and use this knowing in our approach designs. particularly, while interference happens, the signs get combined at the instant medium. through figuring out the parameters of this blending, we will be able to invert the blending and decode the interfered packets; therefore, making interference innocuous. in addition, we will keep watch over this blending procedure to create strategic interference that permit decodability at a specific receiver of curiosity, yet hinder decodability at accidental receivers and adversaries. consequently, we will be able to remodel interference right into a priceless phenomenon that offers safeguard.
Building in this technique, we make 4 major contributions: We current the 1st WiFi receiver that could effectively reconstruct the transmitted info within the presence of packet collisions. subsequent, we introduce a WiFi receiver layout which can decode within the presence of high-power cross-technology interference from units like child screens, cordless telephones, microwave ovens, or maybe unknown applied sciences. We then exhibit how we will be able to harness interference to enhance defense. particularly, we enhance the 1st procedure that secures an insecure clinical implant with none amendment to the implant itself. eventually, we current an answer that establishes safe connections among any WiFi units, with no need clients input passwords or use pre-shared mystery keys.
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