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Spatial multiplexing

Spatial multiplexing definition

Spatial multiplexing is a model of transmission, usually used in multiple input multiple output (MIMO) systems, where multiple independent data streams are transmitted over multiple antennas to increase the data rate. So, the spatial domain refers to multiple antennas that send and receive particular signals. In the core concepts, spatial multiplexing is a wireless communication concept. Regarding cybersecurity, spatial multiplexing can contribute to safety in some measure. For example, it can make eavesdropping harder because of the different routes the information travels, so it’s naturally more challenging for the attacker to get the whole message without intercepting all possible routes. In conclusion, this information diversification can add an extra layer of security.

See also: Wireless network security

Modern spatial multiplexing applications in cybersecurity:

Secure MIMO communication: Spatial multiplexing can be combined with advanced encryption techniques in MIMO systems. For example, if one stream is compromised, other parallel streams remain secure and encrypted.

Wireless security enhancements: When combined with beamforming, spatial multiplexing can send more accurate and precise signals to receivers, potentially minimizing the chances of eavesdropping or other interceptions by malicious entities.