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Numrering	Referens	Omslagsbild	Hitta
1.	Coldrey, Mikael, 1972, et al. (författare) Higher order MIMO outdoor-to-indoor measurements using repeaters 2010 Ingår i: IEEE Vehicular Technology Conference. - 1550-2252. - 9781424425198 Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract In this paper we present results from a outdoor- to-indoor MIMO measurement campaign where we study the effect of repeaters on singular values, spatial richness, capacity, and delay spread distributions. We present results from different repeater scenarios such as, e.g. different outdoor/indoor repeater deployments with single/dual polarized antennas. The measurements show that repeaters significantly enhance the received SNR while they increase the delay spread and decrease the spatial richness of the MIMO channel. However, the main conclusion is that a significant increase in channel capacity is attained when deploying repeaters mostly thanks to their ability to provide spatial multiplexing over the high-quality eigenmodes they may provide. The number of such eigenmodes is limited by the number of repeaters, deployment, and their antennas. © 2010 IEEE.

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