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This is a Experimental Study study.

October 8, 2025Open Access

Over-the-Air Fronthaul Signaling for Uplink Cell-Free Massive MIMO Systems

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The proposed OTA framework effectively reduces overhead compared to traditional wired fronthaul systems, enhancing scalability.
Closed-form expressions for mean-square error show significant improvements in estimator accuracy within the massive MIMO context.
The study evaluates symbol error rate and bit error rate of user equipment data for performance benchmarks against existing fronthaul networks.
This resource-efficient approach highlights advances in fronthaul signaling for increased efficiency in future wireless networks.

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Novel OTA framework reduces fronthaul overhead in massive MIMO networks, demonstrating efficiency with sufficient statistics.

Shaik et al. (2025) studied this question.

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