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This paper clarifies the effects of configuration of a MIMO base station antenna on the channel capacity in line-of-sight street cell environment. It is shown that the optimum beam width in the horizontal plane depends on the road width and the distance from the base station. Moreover, it is also shown that the channel capacity decrease as the service area becomes wider.
This paper describes the optimum directivity of a low base station antenna for street microcell. In order to simulate the propagation characteristics, the ray tracing technique is applied for street microcell. And, the channel capacity is evaluated for optimizing the antenna directivity. It is clarified by the simulation results that the optimum beam tilt angle and the beam width in the vertical plane...
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