Method for determining cellular radio channel assignments to minimize interference due to intermodulation products
First Claim
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1. A method for determining cellular radio channel assignments to minimize interference due to intermodulation products comprising the steps of:
- choosing at least a first and second purely homogeneous channel set associated with a transmission site wherein each channel set contains channel numbers arranged in progressively larger amplitude order;
generating a table in which said at least first and second purely homogeneous channel sets define respective first and second columns with each column containing channel numbers arranged in progressively larger amplitude order; and
constructing a modified channel set from channels contained in said first and second columns by selecting only one channel from each row of said table.
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Abstract
A method is presented for reducing the frequency reuse factor by reducing the effects of intermodulation products in a cellular radio system. The cellular radio system constructs and stores modified channel sets that have a reduced measure of homogeneity. The cellular radio system selects a channel number from the appropriate modified channel set in order to support a call. This invention reduces radio interference, thus improving the quality of service and increasing the call capacity of the cellular radio system.
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Citations
12 Claims
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1. A method for determining cellular radio channel assignments to minimize interference due to intermodulation products comprising the steps of:
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choosing at least a first and second purely homogeneous channel set associated with a transmission site wherein each channel set contains channel numbers arranged in progressively larger amplitude order;
generating a table in which said at least first and second purely homogeneous channel sets define respective first and second columns with each column containing channel numbers arranged in progressively larger amplitude order; and
constructing a modified channel set from channels contained in said first and second columns by selecting only one channel from each row of said table. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus that determines cellular radio channel assignments to minimize interference due to intermodulation products comprising:
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means for choosing at least a first and second purely homogeneous channel set associated with a transmission site wherein each set contains channel numbers arranged in progressively larger amplitude order;
means for generating a table in which said at least first and second purely homogeneous channel sets define respective first and second columns with each column containing channel numbers arranged in progressively larger amplitude order; and
means for constructing a modified channel set from channels contained in said first and second columns by selecting only one channel from each row of said table. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification