Results 131 to 140 of about 328,523 (223)
Challenges and opportunities of acquiring cortical recordings for chronic adaptive deep brain stimulation. [PDF]
Nat Biomed EngHerron J +10 more
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A one-transistor organic electrochemical self-sustained oscillator model for neuromorphic networks.
NewtonBisquert J, Tessler N.
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IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2019
This paper presents an unobtrusive system for monitoring heart rate (HR) based on ballistocardiogram (BCG). The system contains a piezoelectric sensor, which can be embedded into a chair or bed, to convert small body vibrations caused by heart beating ...
Qingsong Xie, Yongfu Li, Guoxing Wang
exaly +2 more sources
This paper presents an unobtrusive system for monitoring heart rate (HR) based on ballistocardiogram (BCG). The system contains a piezoelectric sensor, which can be embedded into a chair or bed, to convert small body vibrations caused by heart beating ...
Qingsong Xie, Yongfu Li, Guoxing Wang
exaly +2 more sources
Truncation Error Probability in Viterbi Decoding
IEEE Transactions on Communications, 1977An upper bound on the bit error probability due to truncation of the path length in Viterbi decoding is obtained for any given convolutional code. This bound is then used to determine the path length at which the additional error probability due to truncation becomes negligible compared to the maximum likelihood decoding error probability.
Hemmati, Farhad +1 more
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Feedforward Architectures for Parallel Viterbi Decoding
Journal of VLSI signal processing systems for signal, image and video technology, 1991The Viterbi-Algorithm (VA) is a common application of dynamic programming. The algorithm contains a nonlinear feedback loop (ACS-feedback, ACS: add-compare-select) which is the bottleneck in high data rate implementations. In this paper we show that, asymptotically, the ACS-feedback no longer has to be processed recursively, i.e., there is no feedback.
G. Fettweis, H. Meyr
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On the Viterbi decoding algorithm
IEEE Transactions on Information Theory, 1969A new interpretation of the Viterbi decoding algorithm based on the state-space approach to dyamical systems is presented. In this interpretation the optimum decoder solves a generalized regulator control problem by dynamic programming techniques.
J. Omura
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2012 IEEE 27th Convention of Electrical and Electronics Engineers in Israel, 2012
An all optical Viterbi decoder on a silicon chip was designed. The device is composed of an optical memory cell and two interfering input arms that use QPSK modulation to encode the incoming bits. The device has a shape of a ring resonator with a size of just a few micrometers and relies on the coupling of modes. Data processing of a few picoseconds is
Ted Frumkin, Amihai Meiri, Zeev Zalevsky
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An all optical Viterbi decoder on a silicon chip was designed. The device is composed of an optical memory cell and two interfering input arms that use QPSK modulation to encode the incoming bits. The device has a shape of a ring resonator with a size of just a few micrometers and relies on the coupling of modes. Data processing of a few picoseconds is
Ted Frumkin, Amihai Meiri, Zeev Zalevsky
openaire +1 more source
IEEE Transactions on Circuits and Systems II: Express Briefs, 2005
The problem of survival memory management of a Viterbi decoder (VD) was solved by introducing a novel pointer implementation for the register exchange method, where a pointer is assigned to each row of memory in the survivor memory unit (SMU). The content of the pointer which points to one row of memory is altered to point to another row of memory ...
D.A. El-Dib, M.I. Elmasry
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The problem of survival memory management of a Viterbi decoder (VD) was solved by introducing a novel pointer implementation for the register exchange method, where a pointer is assigned to each row of memory in the survivor memory unit (SMU). The content of the pointer which points to one row of memory is altered to point to another row of memory ...
D.A. El-Dib, M.I. Elmasry
openaire +1 more source