Co-Existence with IEEE 802.11 Networks in the ISM Band Without Channel Estimation

Any new deployment of networks in the industrial, scientific, and medical (ISM) band, even though it is license-free, has to co-exist with IEEE 802.11 networks. IoT devices are typically deployed ISM creating a spectrum bottleneck for competing This paper investigates issue co-existence wireless WiFi In our scenario, we consider as “primary” or higher priority network co-existing multiple “secondary” that may be used low devices, both operating band. Towards this end, first develop an analytical model metric called “received symbol distance” at primary receiver obtain power control parameter secondary users. scale user according channel between transmitter receiver. The proposed approach computationally simple does not require any estimation coefficients. Simulation results show technique can effectively increase utilization probability successful transmission by user, while having harmful effect on user.