Patent
1975-10-08
1977-06-28
Safourek, Benedict V.
325 67, H04H 300
Patent
active
040328465
ABSTRACT:
A unique carrier frequency allocation in a digital mobile communication system having a service area consisting of a number of radio coverage zones is disclosed. A single standard carrier frequency is used in the service area but the carrier frequencies are arranged to be slightly shifted relative to each other for stations in adjacent radio coverage zones in order to improve the receiving efficiency in a region covered by overlapping zones. The invention defines a condition for the shift frequencies for the radio coverage zones.
REFERENCES:
patent: 2904674 (1959-09-01), Crawford
patent: 3125724 (1964-03-01), Foulkes et al.
patent: 3662267 (1972-05-01), Reed
Hattori Takeshi
Hirade Kenkichi
Wasai Hiromi
Nippon Telegraph and Telephone Public Corporation
Safourek Benedict V.
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