Method of automatic path map generation for simulcast transmissi

Details Method of automatic path map generation for simulcast transmissi Method of automatic path map generation for simulcast transmissi

1991-03-28

1993-05-18

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 512, 455 676, H04Q 700

Patent

active

052128075

ABSTRACT:
A method of automatic path map generation (600) for use in a simulcast transmission system is disclosed which has at least three transmitter sites which form a first communication loop (403). The first communication loop has at least a first and a second audio path. A first audio path originates from a primary transmitter site (402), passes first through a first transmitter site, and ends at a second transmitter site. A second audio path originates from the primary site (402), passes first through the second transmitter site, and ends at the first transmitter site. The first audio path is associated with a first path condition, and the second audio path is associated with a second path condition. The method employed includes establishing (601) a logical representation of the simulcast transmission system. Then, selecting (605) one of the at least three transmitter sites for which a path map is to be generated, determines (902) a logical relationship between the primary transmitter site (402) and the selected transmitter site. Knowing this, the primary site (402) is able to calculate (708) a data set identification (ID) for the selected transmitter site that is associated with each of at least the first and the second path conditions. These data set IDs are then recorded (918) for the selected transmitter site, to produce a path map describing a unique association between each of at least the first and the second path conditions and the data set ID.

REFERENCES:
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patent: 4578815 (1986-03-01), Persinotti
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"Automatic Microwave Loopswitch Detection Method for Simulcast Communication System", Motorola Technical Developments, vol. 11, Oct. 1990, pp. 48-49--Davis et al.--discloses the use of a pilot tone methodology to detect link failure conditions in a simulcast system. The remote site loop pilot detect and loop masters switches indicators interface into a simulcast parameter adjustment device.
"The Loop Microwave System", Motorola Technical Note No. R03810, 1978,--Thomas--discloses an overview of loop microwave communication systems, particularly addressing alternate route controlling schemes and their benefit.

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