Network coding is a recent technique that has many advantages such as reducing the bandwidth consumption and increasing the throughput. IROCX is a routing algorithm that applies network coding while considering the interference impact. However, it assumes a constant transmission power. The authors extend IROCX by allowing the nodes to transmit with several power levels. Their approach, TC-IROCX (Topology Control on InteRference-aware Opportunistically Coded EXchanges) aims at maximizing the number of accepted flows. The simulation results show that TC-IROCX adjusts the transmission power according to the network state in order to enhance the acceptation rate.