Research
Research article
June 2, 2025

Smart routing for smarter wireless networks

As wireless networks shift to higher frequencies and denser topologies, routing data efficiently through the mesh becomes a real performance bottleneck. In this paper, Qamcom researcher Siddhartha Kumar introduces a tree-search algorithm that finds optimal paths through interference-prone networks — delivering 3 to 20 dB signal-quality gains over existing methods.

How a new algorithm can boost performance at the edge – by Siddhartha Kumar.

As wireless networks expand and transition to higher frequencies, delivering fast and reliable connectivity becomes increasingly challenging – particularly at the network's edge, where coverage and interference are significant issues. This paper introduces a novel algorithm designed to address this problem in a highly practical manner.

The research focuses on mesh networks – systems where small base stations (such as local towers or nodes) connect wirelessly to each other and to the core network, rather than relying on fixed fiber infrastructure. These networks are crucial for flexible, cost-effective deployments in urban and rural areas. However, routing data through these dense, wireless environments can lead to interference, which degrades performance.

To tackle this issue, the authors developed a tree-search-based algorithm that identifies the optimal path from each user to the core network, taking into account real-world interference between base stations. Compared to other methods – including random selection, interference-free assumptions, and genetic algorithms – the proposed method consistently delivers superior results (3 to 20 dB gains in signal quality) while maintaining lower or comparable computational effort in most cases.

For network designers, this translates to fewer bottlenecks, enhanced user experiences, and expedited certification and deployment. For business stakeholders, it enables more scalable and cost-efficient network expansion – essential for meeting the future demands of next-generation 6G applications, including industrial IoT and smart city applications.

The bottom line? Smarter routing can unlock the full potential of edge networks, and this research offers a practical blueprint for achieving that goal.

Siddhartha will present his paper at IEEE ICC 2025, learn more about the event here.

To read the full paper download it .