Apparatus and method for generating ranging pseudo noise code

Details Apparatus and method for generating ranging pseudo noise code Apparatus and method for generating ranging pseudo noise code

2005-11-11

2010-10-19

Phu, Phuong (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S146000, C375S147000, C375S149000, C708S250000, C708S252000, C708S256000

Reexamination Certificate

active

07817707

ABSTRACT:
Disclosed is an apparatus for generating a ranging pseudo noise (PN) code used in a base station of a portable internet system of an orthogonal frequency division multiplexing access scheme, wherein a ranging pseudo noise mask value is generated using a cell ID number, and then the generated ranging pseudo noise mask value is stored in a memory. A final ranging PN code is generated using the stored ranging PN mask value and a status of a pseudo random binary sequence for generating a ranging PN code. With such a structure, the maximal 256-numbered ranging PN code values can be obtained simultaneously with each 144 bit-length.

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patent: 1020020084915 (2002-11-01), None
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