Synchronization codes for use in communication

Details Synchronization codes for use in communication Synchronization codes for use in communication

1998-08-10

2000-06-20

Chin, Stephen

Pulse or digital communications

Spread spectrum

Direct sequence

375367, 375368, 370350, H04K 100, H04L 2538, H04J 306

Patent

active

060786078

ABSTRACT:
In a first embodiment of the invention, two sets of seven PN-sequences of length 128 are provided having favorable correlation properties for use as a preamble or midamble synchronization code. At the receiver a processor may be used to detect the code. In another aspect of the invention, a communication system using a synchronization code selected from sets of provided codes is claimed where the synchronization code may help to minimize possible misidentification of noise or interference by assisting in the detection of the start of a designated burst. The synchronization codes and their means for detection may be employed in various communication systems.

REFERENCES:
patent: 5093841 (1992-03-01), Vancraeynest
patent: 5289498 (1994-02-01), Hurlbut et al.
patent: 5822359 (1998-10-01), Bruckert et al.

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