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Space and Polarization Diversity Measurements in an Indoor Radio Environment at 1800 MHz Using a Dual-Channel Receiver

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Abstract

Diversity techniques have been extensivelyconsidered for application in propagation media,examining various combining schemes, to mitigate theeffects of short-term fading probability andconsequently to reduce the required fading margin.Narrowband propagation measurements were conductedwithin a four-story building at Technical University ofAthens under a number of different radio pathconditions, using a dual-channel-receiving unit, consistingof two spectrum analyzers, controlled by a personalcomputer. This paper presents the results of indoorradio propagation using space and cross-polarization diversity measurements in an indoor wirelessradio channel at 1.8 GHz. Moreover, the diversity gainat 99% signal reliability level and correspondingcross-correlation coefficients have been estimated by considering selection and maximalratio-combining diversity schemes. The results are veryimportant for system designers of indoor communicationsystems, involving data transmission on wireless mobilenetworks. A detailed description of the measurementenvironment and experimental setup is given. From themeasurements collected, the parameters of power decayfactor and temporal fading signal statistics were also estimated and analyzed.

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Authors
  1. N. Papadakis
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  2. I. Stavropoulos
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  3. E. Xirotsopanos
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  4. P. Constantinou1
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Papadakis, N., Stavropoulos, I., Xirotsopanos, E. et al. Space and Polarization Diversity Measurements in an Indoor Radio Environment at 1800 MHz Using a Dual-Channel Receiver. International Journal of Wireless Information Networks 5, 103–113 (1998). https://doi.org/10.1023/A:1018861317834

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