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Bell Laboratories Layered Space-Time

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Bell Laboratories Layered Space-Time (BLAST) is a transceiver architecture for offering spatial multiplexing over multiple-antenna wireless communication systems. It was developed by Gerard Foschini at Lucent Technologies' Bell Laboratories (now Alcatel-Lucent Bell Labs). By careful allocation of the data to be transmitted to the transmitting antennas, multiple data streams can be transmitted simultaneously within a single frequency band — the data capacity of the system then grows directly in line with the number of antennas (subject to certain assumptions). This represents a significant advance on current, single-antenna systems.[1]

References

  1. Gerard. J. Foschini (1996). "Layered Space-Time Architecture for Wireless Communication in a Fading Environment When Using Multi-Element Antennas" (PDF). Bell Laboratories Technical Journal. October: 41–59.
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