Method and apparatus for transmitting/receiving a continuous pilot code in a multi-carrier system
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United States of America Patent
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Jan 8, 2013
Grant Date -
Apr 16, 2009
app pub date -
Nov 14, 2006
filing date -
Apr 27, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a method for transmitting/receiving a continuous pilot code in a multi-carrier system. The method for transmitting comprises: performing a time-frequency domain two dimensional encoding on an information bit stream to be transmitted; mapping the encoded bit stream to obtain a continuous pilot carrying encoding information; multiplexing a load, a discrete pilot and the mapped continuous pilot carrying the encoding information based on distribution of the load, the discrete pilot and the continuous pilot on a sub-carrier, to generate a frequency domain signal; and performing a frequency-time domain transforming on the generated frequency domain signal, to obtain a time domain sample. The method for receiving comprises: extracting the continuous pilot from an active carrier of a multi-carrier signal; and performing a time-frequency domain decoding on the extracted continuous pilots to obtain the decision of transmitted information bits. The invention ensures reliable transmission of the information without using additional bandwidth resource by carrying information in the continuous pilots using an encoding scheme.
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