Method and apparatus for a high-capacity cellular network by improved sectorization and interleaved channel assignment
First Claim
1. A method for creating a high-capacity cellular network having a plurality of cells, the method comprising:
- sectorizing the cells to each have four sectors; and
assigning in an interleaved fashion at least one channel to each one of the plurality of sectors wherein;
sectorizing the cells to each have four sectors comprises;
sectorizing a first one of the cells into a first sector, a second sector, a third sector, and a fourth sector, and sectorizing a second one of the cells into a fifth sector, a sixth sector, a seventh sector, and an eighth sector;
and assigning in an interleaved fashion at least one channel to each one of the plurality of sectors comprises;
assigning a first channel to both the first sector of the first cell and to the sixth sector of the second cell;
assigning a second channel to both the second sector of the first cell and to the fifth sector of the second cell;
assigning a third channel to both the third sector of the first cell and to the eight sector of the second cell; and
assigning a fourth channel to both the fourth sector of the first cell and to the seventh sector of the second cell.
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Abstract
A method and apparatus for a high-capacity cellular network by improved sectorization and interleaved channel assignment is presented. Data transmission over a cellular network is carried out by implementation of a sectorization scheme, called the Narrow-Beam Quad-sector Cell (NBQC) sectorization scheme, and the corresponding Interleaved Channel Assignments (ICA). The NBQC sectorization scheme calls for each cell of a cellular network to be divided into four sectors, with each sector covered by a 60 degree antenna. Use of the NBQC sectorization scheme allows for implementation of the corresponding ICA, in which assignment of transmission channels to each cell is based on a re-use factor of N=2. Accordingly, the interleaved channel assignments allow for the use of the transmission channels in cells which are adjacent in the cellular network.
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Citations
2 Claims
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1. A method for creating a high-capacity cellular network having a plurality of cells, the method comprising:
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sectorizing the cells to each have four sectors; and
assigning in an interleaved fashion at least one channel to each one of the plurality of sectors wherein;
sectorizing the cells to each have four sectors comprises;
sectorizing a first one of the cells into a first sector, a second sector, a third sector, and a fourth sector, and sectorizing a second one of the cells into a fifth sector, a sixth sector, a seventh sector, and an eighth sector;
and assigning in an interleaved fashion at least one channel to each one of the plurality of sectors comprises;
assigning a first channel to both the first sector of the first cell and to the sixth sector of the second cell;
assigning a second channel to both the second sector of the first cell and to the fifth sector of the second cell;
assigning a third channel to both the third sector of the first cell and to the eight sector of the second cell; and
assigning a fourth channel to both the fourth sector of the first cell and to the seventh sector of the second cell.
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2. A high-capacity cellular network, comprising:
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a plurality of sectorized cells, each of the sectorized cells having four sectors;
wherein a frequency channel is assigned to each sector in an interleaved fashion wherein the plurality of cells comprise first and second cells, the first cell being sectorized into a first sector, a second sector, a third sector, and a fourth sector, wherein a first frequency channel is assigned to both the first sector of the first cell and to the sixth sector of the second cell, a second frequency channel is assigned to both the second sector of the first cell and to the fifth sector of the second cell, a third frequency channel is assigned to both the third sector of the first cell and to the eighth sector of the second cell, and a fourth frequency channel is assigned to both the fourth sector of the first cell and to the seventh sector of the second cell.
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Specification