Method and apparatus for multiple description coding
A technology of multi-description coding and equipment, applied in the field of multi-description coding, can solve the problem of information loss and other problems transmitted to the receiving end, and achieve the effects of reduced processing time, low processing cost, and reduced processing capacity
Inactive Publication Date: 2010-08-18
TELEFON AB LM ERICSSON (PUBL)
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The present invention relates to a method and apparatus to be used in designing an index assignment matrix for use in multiple description coding of an information signal. The bandwidth of the index assignment matrix is selected in dependence of transmission condition information relating to a transmission condition of a communication channel onto which a description of the information signal can be transmitted.
Description
technical field The present invention relates to the field of multiple description coding in communication systems, and in particular, to the design of index assignment matrices to be used for multiple description coding. Background technique In any communication system, there is a risk that information transmitted from a sender to a receiver will be lost during transmission. To compensate for such losses, diversity is often introduced so that information is transmitted over two or more independent channels. Such independent channels can eg be realized by taking two or more different transmission paths and / or by transmitting information at two or more different points in time or at different frequencies. By employing diversity to the communication interface, the amount of redundant information transmitted over the interface will generally increase. Since transmission bandwidth is often a scarce resource on a communication interface, it is generally desirable to keep the r...
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CPCH03M7/30H03M7/3057H03M13/353H04B7/0632H04B7/0634H04L5/0057
Inventor M・库罗帕温斯基J・克莱萨W・B・克莱因
Owner TELEFON AB LM ERICSSON (PUBL)
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