*An interference-aware smart surface that improves 6G wireless communication by boosting signal quality, reducing processing overhead, enhancing security, and enabling more reliable sensing and positioning applications.*
Smart Surface Boosts 6G Reliability

A team of engineers led by the University of Glasgow in collaboration with King Fahd University and the University of Leicester, has developed an interference-aware control framework for reconfigurable intelligent surfaces (RIS) that could overcome one of the biggest challenges facing future 6G wireless networks electromagnetic interference (EMI). The approach improves communication reliability, strengthens physical-layer security, and reduces network processing requirements, making RIS more practical for next-generation integrated sensing and communication (ISAC) systems.

RIS is considered a key enabling technology for 6G. Unlike conventional antennas that simply transmit or receive radio waves, an RIS is a programmable surface containing thousands of electronically controlled elements.



These elements can manipulate incoming electromagnetic waves by reflecting, focusing, or steering them toward a desired receiver. Besides improving wireless coverage, RIS can also support accurate positioning and environmental sensing, capabilities expected to become central to 6G ISAC networks.

However, RIS has a significant limitation. Since it reflects all incident radio signals, it also amplifies unwanted electromagnetic interference generated by the growing number of connected devices operating over Wi-Fi, Bluetooth, and cellular networks. This interference degrades communication quality, lowers positioning accuracy, and increases computational demands at the network base station.

Instead of attempting to cancel interference- a method that often weakens the desired signal- the researchers developed an EMI-aware framework that filters interference before it reaches the receiver. The system first identifies the statistical c

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