Abstract
Abstract From measurements performed in the 700 MHz band, this paper analyzes the effect of spatial diversity on the channel capacity through the propagation of an OFDM mobile radio signal and compares with the results of a single branch providing what improvement of the capacity is attained with the SIMO system.
Highlights
With the released band of open TV in Brazil, the cellular systems could operate in 700 MHz band, which is interesting for the cellular providers mainly because of the range of the signal, providing economy for them due to the smaller number of base stations for covering some area.The fourth generation (4G) system is already operating in many Brazilian cities and tests are been performed in several of them
This paper provides experimental results for the capacity obtained in 700 MHz band using the spatial diversity in a SIMO
After processing the received data (I and Q), the PDPs were calculated according to (2) by using (1), and the mean delay and RMS delay spread values obtained from the calculated profiles are shown, respectively, in Fig. 3 and Fig. 4
Summary
With the released band of open TV in Brazil, the cellular systems could operate in 700 MHz band, which is interesting for the cellular providers mainly because of the range of the signal, providing economy for them due to the smaller number of base stations for covering some area.The fourth generation (4G) system is already operating in many Brazilian cities and tests are been performed in several of them. The purpose is to determine the channel capacity in a SIMO system from the experimental gain of spatial diversity on the reception of an OFDM mobile radio signal.
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