Radio communication system using information derivation algorithm coloring for suppressing cochannel interference

In a cellular, channel reuse, mobile radiotelephone system having a plurality of stations distributed among plural service regions of a mobile service area, each station including at least one radio transceiver and a portion of said stations being mobile stations, a system operating method which is characterized by the steps of

• assigning predetermined different implementations of a predetermined transceiving algorithm to be used in respective service regions of the system according to an N.sub.A -cell implementation reuse pattern,
• assigning predetermined different channel sets to be used in respective service regions of the system according to an N.sub.C -cell channel reuse pattern characterized by a channel reuse distance D.sub.c between service regions of like channel assignments in adjacent uses of said channel reuse pattern and further characterized by a resulting combination reuse distance D.sub.CO between service regions utilizing the same combination of channel set and algorithm implementation, said combination reuse distance D.sub.CO being greater than said channel reuse distance D.sub.C for said N.sub.C -cell pattern, and
• directing a mobile station in said system to operate using a combination of a channel and an implementation which are the same as those used in a service region of said system which is to serve such mobile station.

The method in accordance with claim 7 characterized in that the implementation assigning step comprises

• assigning different ones of N.sub.A different scrambling codes as said implementations, respectively.

In a cellular, channel reuse, mobile radiotelephone system for a predetermined mobile service area and having plural fixed stations (2, 3), each including a plurality of transceivers tunable to different dual-frequency channels, the stations of each service region of a channel reuse cell cluster utilizing different predetermined channel sets (I-VII), plural contiguous clusters being employed, the system further including plural mobile stations (6, 7), each including a transceiver that is tunable to a dual-frequency radio channel, such channel being a channel of a service region which is to serve such mobile station in said system, the system being characterized in that

• said transceivers of said fixed and mobile stations of a service region each includes means (17, 49) for operating such transceiver in accordance with a transceiver algorithm implementation (A) of a predetermined set of implementations, said algorithm implementation in combination with a channel set (I) utilized in the last-mentioned service region being a channel-implementation combination that is different from channel-implementation combinations of service regions similarly located in contiguous ones of said clusters.

In a cellular, channel reuse, mobile radiotelephone system for a predetermined mobile service area and including plural fixed stations (2, 3), each having plural transceivers tunable to different dual-frequency channels, the stations of each service region of a channel reuse cell cluster utilizing different predetermined channel sets (I-VII), each of said cell clusters including N.sub.C cells, the system further including plural mobile stations (6, 7), each including a transceiver that is tunable to a dual-frequency channel of a service region which is to serve such mobile station, the system being characterized in that

• said transceivers of said fixed and mobile stations of a service region each includes means (17, 49) for operating such transceiver in accordance with a transceiver algorithm implementation (A), different ones of a plurality N.sub.A of such implementations being utilized in an implementation reuse pattern to form a reusable channel-implementation pattern such that each such channel-implementation pattern includes a number of cells equal to the product of N.sub.A and N.sub.C.