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Now showing items 11-20 of 31
Multi-hop coherent free-space optical communications over atmospheric turbulence channels
(IEEE, 2011)
In this paper, we investigate multi-hop relaying as an efficient fading mitigation tool for coherent free-space optical (FSO) systems over atmospheric turbulence channels. We consider an FSO relaying system with ...
Peer-to-peer multipoint video conferencing with layered video
(Elsevier, 2011-01)
A peer-to-peer (P2P) architecture for multipoint video conferencing using layered video coding at the end hosts is proposed. The system primarily targets end points with low bandwidth network connections and enables them ...
RoCoCo: row and column compression for high-performance multiplication on FPGAs
(IEEE, 2011)
Multiplication is, in no doubt, one of the top few frequently used operations in hardware and software. In high-performance hardware design, after high-level optimizations are exhausted, component level optimizations are ...
Spectrum trading for risky environments in IEEE 802.22 cognitive networks
(IEEE, 2011)
In this paper, we consider the shared used model in the context of IEEE 802.22 cognitive and investigate spectrum trading via auction approach. We consider two different scenarios in which the dominant risk is either ...
High-rate distributed space-time-frequency coding for wireless cooperative networks
(IEEE, 2011-02)
In this paper, we propose high-rate distributed space-time-frequency codes (DSTFCs) to exploit maximum achievable diversity gains over frequency-selective fading channels. The proposed designs achieve full-rate for any ...
Isovector axial-vector form factors of octet baryons in QCD
(American Physical Society, 2011-06-01)
We compute the diagonal isovector axial-vector as well as induced pseudoscalar form factors of nucleon, Σ, and ≡ baryons by employing the light-cone QCD sum rules to leading order in QCD and including distribution amplitudes ...
Formant position based weighted spectral features for emotion recognition
(Elsevier, 2011)
In this paper, we propose novel spectrally weighted mel-frequency cepstral coefficient (WMFCC) features for emotion recognition from speech. The idea is based on the fact that formant locations carry emotion-related ...
Tensor form factors of nucleon in QCD
(Elsevier, 2011-10-25)
We extract the isovector tensor nucleon form factors, which play an important role in understanding the transverse spin structure of the nucleon when related to the quark helicity-flip generalized parton distributions via ...
On sensor fusion for head tracking in augmented reality applications
(IEEE, 2011)
The paper presents a simple setup consisting of a camera and an accelerometer located on a head mounted display, and investigates the performance of head tracking for augmented reality applications using this setup. The ...
A novel pulse-positioned coding scheme for fiber fault monitoring of a PON
(IEEE, 2011-09)
In this letter, we propose a novel optical coding scheme for fiber link quality monitoring of a passive optical network (PON). The proposed scheme named incrementally pulse positioned coding (IPPC) is practically very ...
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