Sunday, January 25, 2026
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Smart cuts impact of radio frequency interference

Smart Communications Inc. said Friday it has the “cleanest” network in the region with the deployment of Spectrum-NET—a game-changer in managing and mitigating the impact of radio frequency interference. 

The wireless unit of PLDT Inc. said it deployed Spectrum-NET nationwide in 2022, enabling Smart to reduce in half the interference impacting their network, making the company the cleanest network in the region. 

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Data from Spectrum Effect showed that Smart performed better than other operators in Asia Pacific, the Middle East and Africa and Latin America, putting Smart’s performance at par with North American and European countries. 

Smart is in the process of turning up Spectrum-NET’s new auto-mitigation capability, immediately increasing network capacity and improving service quality for subscribers affected by remaining interference sources.   

“Radio frequency interference has a severe impact on our customers’ quality of experience, as it can lead to slower connections and choppy calls. As such, it has been a priority for Smart to take on this challenge head-on,” said Eric Santiago, network head at PLDT and Smart. 

“By partnering with Spectrum Effect and adopting their industry-leading Spectrum-NET solution, Smart has overcome the formidable RF interference environment in the Philippines, delivering topnotch experience to our subscribers across the country. This is also proof of PLDT and Smart’s commitment to continue investing in automating our network and making our operations more efficient,” he said.  

Smart launched the Spectrum Interference Extraction Detection program driven by Spectrum-NET. The program analyzed Smart’s entire cellular network and removed 60 percent of Passive Intermodulation interfered cells and 65 percent of RAN-Generated Interference impacted cells to normal levels as of January 2023.

Smart has been working closely with the National Telecommunications Commission to stem the continued increase in External Interference sources such as substandard repeaters or “boosters”.

“With the SIED program, Smart has been collaborating with Spectrum Effect on the development of solutions that automatically mitigate the impact of all types of interference, including boosters. Our efforts have contributed on average 40 percent in downlink throughput and 80 percent in UL [uplink] throughput gains on cells where we resolved RF interference,” said Radames Zalameda, head of network quality at PLDT and Smart.

“We have maximized the value of the spectrum and improved customer experience on our network. We have been able to respond with better precision and agility using automated processes in optimizing Smart’s network,” Zalameda said. 

Charles Immendorf, Spectrum Effect chief executive, said the vision, talent and tenacity of Smart’s team are apparent in the network improvements they have achieved and impressive results from independent benchmarking of their network. 

“We are pleased to be an integral part of Smart’s network and continuing to help push boundaries for optimal user experience,” he said. 

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