Discrete multi-audio frequency modulating system optimal power distributing comprehensive bit position loading method |
Title： |
| Discrete multi-audio frequency modulating system optimal power distributing comprehensive bit position loading method |
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Application Number： |
200610089630 |
Application Date： |
2006/07/07 |
Announcement Date： |
2007/01/03 |
Pub. Date： |
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Publication Number： |
1889551 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04L 27/00, H04L 27/26 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Zhu Liping, Yao Yan, Zhou Shidong, Zhu Yisheng |
Key Words： |
Discrete multi-audio frequency modulating, optimal power, comprehensive bit position loading |
Abstract： |
A resource distribution technique of discrete multiaudio modulation system includes carrying out maximum bit-loading for system and ending bit-loading course if maximum bit rate is not over object bit rate or otherwise deriving out loading parameter value, utilizing greedy bit erasure method to finalize bit distribution if parameter value is zero, applying parallel bit erasure method to speed up bit distribution rate and updating system bit rate and loading parameter if loading parameter value is not zero, using addition method to converge it to be object bit rate if system current bit rate is lower than object bit rate then using bit fine regulation to realize minimum power bit distribution. |
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PCT： |
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