System and method for generating and detecting the identifier sequence of the bandwidth-limited transmitter

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United States of America Patent

PATENT NO 8139622
APP PUB NO 20110044390A1
SERIAL NO

12446076

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Abstract

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A system and method for generating and detecting identifier sequence of a bandwidth-limited transmitter are disclosed, comprising an identifier sequence generating portion and a detection portion. The identifier sequence generating portion comprises: generating a frequency-domain random sequence; generating a frequency-domain orthogonal sequence; performing frequency-domain truncation; performing frequency-time transformation; and performing cycle extension. The identifier sequence receiving portion comprises: truncating the time-domain for the received signal; performing time-frequency domain transformation to obtain a frequency-domain signal; generating frequency-domain random sequence; generating a frequency-domain orthogonal sequence; correlating the frequency-domain orthogonal sequence with the frequency-domain signal de-scrambled by the frequency-domain random sequence; and detecting an output from a frequency-domain correlator by a threshold detecting device and determining the transmitter identifier sequence. The random sequence bandwidth generated by the system and the method of the present invention can be configured flexibly according to transmission bandwidth requirement, and the sequence may be arbitrarily allocated at the power of each frequency point inside the bandwidth. The present invention may be widely applied to multimedia broadcasting, terrestrial radio broadcasting, cable broadcasting and the like.

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Patent Owner(s)

Patent OwnerAddress
TIMI TECHNOLOGIES CO LTD100089 BEIJING CITY HAIDIAN DISTRICT LANDIANCHANG ROAD NO 2 2 BUILDING 2 UNIT 11F BEIJING CITY BEIJING CITY 100089

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bai, Dong Beijing, CN 9 135
Chen, Wen Beijing, CN 156 1026
Ge, Qihong Beijing, CN 9 131
Li, Qun Beijing, CN 206 3141
Tao, Tao Beijing, CN 224 1814
Wang, Junwei Beijing, CN 121 266
Yang, Qinghua Beijing, CN 23 127

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