Vestigial identification for co-channel interference in cellular

Details Vestigial identification for co-channel interference in cellular Vestigial identification for co-channel interference in cellular

1992-12-04

1995-02-14

Gordon, Paul P.

Excavating

371 377, 371 53, G06F 1110

Patent

active

053901975

ABSTRACT:
A vestigial identification system is provided for transmitting information in a cellular communications network employing frequency reuse. The vestigial identification system enables a receiver to detect both bit errors and interfering messages to avoid call disruption. A composite parity check is produced by encoding message data and a site identifier via an encoder. A transmitter conveys a code word, formed at a code word generator by combining the composite parity check with the message data, to a receiver. At the receiver, an encoder forms an error detection parity check by encoding both the message data from the code word and the site identifier. An error detector compares the composite parity check from the transmitted code word to the error detection parity check, and generates an error if the parity checks are not identical to one another, enabling rejection of the message by the receiver.

REFERENCES:
patent: 4517669 (1985-05-01), Freeburg
patent: 4519068 (1985-05-01), Krebs

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