Method for improving the radio cell illumination in a cellular mobile radio system and apparatus for carrying out the method
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United States of America Patent
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-
Jul 4, 2000
Issued Date -
N/A
app pub date -
Feb 28, 1997
filing date -
Dec 16, 1991
priority date (Note) -
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Abstract
A method for improving the radio cell illumination in a cellular mobile radio system provides that there are a number of neighboring cells adjoining each other and partially overlapping each other, wherein in the marginal region of each cell is arranged at least one fixed transmitter. In order to obtain optimized radio cell illumination, it is provided that the fixed transmitters of neighboring cells directly adjoining a cell transmit to this cell with the same channel group as the fixed transmitter of the cell to be supplied itself. In this way a mobile station located in the cell is supplied not only by one fixed transmitter, but also by the fixed transmitters of neighboring cells. Each fixed station is assigned several sector aerials which at least partially overlap in their transmitting range defined by sectors and which together sweep across at least a range of 360.degree..
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