# A Novel Relay Node Placement and Energy Efficient Routing Method for Heterogeneous Wireless Sensor Networks

> Research article (IEEE Access, 2020) · cited 36× · AI/ML

**Wikidata**: [openalex:W3014933047](https://www.wikidata.org/wiki/openalex:W3014933047)  
**Source**: https://4ort.xyz/entity/a-novel-relay-node-placement-and-energy-efficient-routing-method-for-heterogeneous-wireless-sensor-networks