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ריבוי כניסות ריבוי יציאות (MIMO)×משפט קיבולת ערוץ של שאנון×
תחוםתקשורתתקשורת
משפחהProcess / pipelineProcess / pipeline
שנת המקור19951948
הוגה השיטהTelatar, Foschini, and GansClaude Shannon
סוגspatial multiplexing techniquefundamental theoretical bound
מקור מכונןTelatar, I. (1999). Capacity of multi-antenna Gaussian channels. European Transactions on Telecommunications, 10(6), 585-595. DOI ↗Shannon, C. E. (1948). A mathematical theory of communication. Bell System Technical Journal, 27(3), 379-423. DOI ↗
כינוייםspatial multiplexing, antenna diversitychannel capacity, information theory bound
קשורות55
תקצירMIMO is a technique that uses multiple transmit and receive antennas to significantly increase channel capacity and reliability. Pioneered theoretically by Telatar (1999) and Foschini & Gans (1998), MIMO exploits multipath propagation—typically a liability in wireless—as an asset by creating independent spatial channels. It is now fundamental to all modern wireless systems including LTE, WiFi-6, and 5G, where it provides both capacity gains through spatial multiplexing and robustness through diversity.Shannon's channel capacity theorem, published in 1948, establishes the maximum rate at which information can be reliably transmitted over a noisy channel. Expressed as C = B log2(1 + S/N) for additive white Gaussian noise (AWGN), it is a fundamental bound in information theory and communications engineering. Shannon proved that reliable communication is possible at any rate below capacity, and impossible above it. This theorem underpins the design of all modern communication systems and motivates coding theory, modulation, and signal processing techniques.
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ScholarGateהשוואת שיטות: MIMO · Shannon Capacity. אוחזר בתאריך 2026-06-18 מתוך https://scholargate.app/he/compare