Importance

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Abstract

In a cellular mobile radio system including a plurality of cells grouped into identical patterns, each of at least two cells, repeated periodically in space and such that: each cell is associated with one or more base transceiver stations to send radio signals to or to receive radio signals from mobile stations. Each transceiver station sends and receives radio signals using a set of frequencies associated with its cell and including at least two different frequencies, all the frequencies of sets of frequencies associated with cells of the same pattern being different. The frequency of the signals exchanged between a mobile station and a base transceiver station of a cell changes in time with the result that several frequencies of the set of frequencies associated with the cell are used successively during the transmission. In this system, the plan of the mobile radio system is obtained by superposing the plans of a plurality of mobile radio systems each having a different number of cells per pattern.

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First Claim