On the Transport Layer Throughput in Cognitive Mobile Ad Hoc Networks using Soft Sensing
Mohamed Naguib, Yahya Z. Mohasseb, Hisham Dahshan · 2018
This paper investigates the effect of cognitive operations in the physical (PHY) layer on the throughput of the transport layer in Cognitive Mobile Ad Hoc Networks (CoMANETs). The focus is on the use of soft sensing to enhance secondary users capacity in the PHY layer. A new transport layer protocol is proposed which updates the Congestion Window (CW) efficiently according to the power and rate adaptation strategy of the soft sensing scheme. The expected throughput is derived and compared to the case where the transport layer is oblivious to the use of soft sensing, as well as to a benchmark case from the literature where only hard sensing is used. Results show significant throughput improvements due to soft sensing in general. These improvements increase with proper adaptation of the transport layer protocol.