ENC3250 Solutions pg 48

ENC3250 Solutions pg 48 - -48-AANSWERS TO NSWERS TO...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -48-AANSWERS TO NSWERS TO QQUESTIONSUESTIONS10.1Hexagon10.2For frequency reuse in a cellular system, the same set of frequencies are used inmultiple cells, with these cells separated from one another by enough distance toavoid interference.10.3 Adding new channels:Typically, when a system is set up in a region, not all of thechannels are used, and growth and expansion can be managed in an orderlyfashion by adding new channels. Frequency borrowing:In the simplest case,frequencies are taken from adjacent cells by congested cells. The frequencies canalso be assigned to cells dynamically. Cell splitting:In practice, the distribution oftraffic and topographic features is not uniform, and this presents opportunities ofcapacity increase. Cells in areas of high usage can be split into smaller cells. Cellsectoring:With cell sectoring, a cell is divided into a number of wedge-shapedsectors, each with its own set of channels, typically 3 or 6 sectors per cell. Eachsector is assigned a separate subset of the cell's channels, and directional antennas...
View Full Document

Ask a homework question - tutors are online