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Ricean K-Factor Study in Office Cubicle Environment

Explore Ricean K-Factor variations in an office setting with data from 7 STA locations at varying distances and a hard-wall conference room setup. Detailed analysis of channel transfer functions in 2-8 GHz range and moment-method estimation of K-factor based on antenna positions. Conclusions reveal small K-factors attributed to scatterers and short delay paths.

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Ricean K-Factor Study in Office Cubicle Environment

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  1. November 2003 Ricean K-Factor in Office Cubicle Environment David Cheung, Cliff Prettie, Qinghua Li, Jeng Lung Intel Corporation November 2003 David Cheung, Intel

  2. Measurement Setup and Analysis • Office cubicle environment • 7 different STA locations, 3-19m distance, 2 in hard-wall conference room • 11 different sets of data • Each set contains 1369 different antenna positions, 37x37 array with ½” spacing • Channel transfer function spans 2-8 GHz • K-factor based on strongest average tap in 100 MHz (5.15-5.25 GHz and 5.25-5.35 GHz) using moment-method estimation [1] David Cheung, Intel

  3. K-Factors for Various Locations David Cheung, Intel

  4. Measurement Locations David Cheung, Intel

  5. Conclusions • Ricean K-factor is small (< -1 dB) in office cubicle environment • Small K-factor attributed to large number of scatterers and 10 ns time resolution • Many paths have excess delay of <10 ns • These paths combine in first tap David Cheung, Intel

  6. References [1] Greenstein, Michelson, and Erceg, “Moment-Method Estimation of the Ricean K-Factor,” IEEE Communications Letters, Vol. 3, No. 6, June 1999, pp. 175-176. David Cheung, Intel

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