2006
DOI: 10.1109/tit.2006.883630
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Quantization of Multiple Sources Using Nonnegative Integer Bit Allocation

Abstract: Asymptotically optimal real-valued bit allocation among a set of quantizers for a finite collection of sources was derived in 1963 by Huang and Schultheiss, and an algorithm for obtaining an optimal nonnegative integer-valued bit allocation was given by Fox in 1966. We prove that, for a given bit budget, the set of optimal nonnegative integer-valued bit allocations is equal to the set of nonnegative integer-valued bit allocation vectors which minimize the Euclidean distance to the optimal real-valued bit-alloc… Show more

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Cited by 16 publications
(18 citation statements)
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“…Thus . APPENDIX D PROOF OF (13) Using (12), the th column of the quantized precoder can be obtained from quantized as (28) Using (12) and (28), we have and (29) where and . Let us use Gram-Schmidt process to obtain from and from .…”
Section: Discussionmentioning
confidence: 99%
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“…Thus . APPENDIX D PROOF OF (13) Using (12), the th column of the quantized precoder can be obtained from quantized as (28) Using (12) and (28), we have and (29) where and . Let us use Gram-Schmidt process to obtain from and from .…”
Section: Discussionmentioning
confidence: 99%
“…The solution of rate allocation given by (18) is not an integer in general. We can quantize it to an integer using the method in [28].…”
Section: Design Of Bit Loading Codebookmentioning
confidence: 99%
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“…The iterations can be ended when there is little improvement in the average BER. The resulting BA vectors b i can be quantized to have integer entries subject to the sum rate constraint using the method in [34]. Note that the derivation of BER bounds in the previous section needs the assumption M r > M. When we use the BA system in practice, M need not be smaller than M r ; it can be equal to M r .…”
Section: Feedback Of Bit Allocationmentioning
confidence: 99%
“…The problem we are addressing here is related to classical rate allocation problems in communications [6], [7]. To quantify the relation between rate and performance, we resort to high-rate quantization theory [6], [8], [9].…”
Section: Introductionmentioning
confidence: 99%