Sfoglia per Soggetto "Decoding"
Items 1-20 di 21
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An adaptable LTE turbo decoder for indoor/low range outdoor environment: A study on low bit rates
(2015)In this work we study an adaptable SOVA/log-MAP turbo decoder for LTE mobile standard and flat Rayleigh fading channel. Particularly, this decoder is shown to adapt dynamically to different service scenarios, considering ... -
Asynchronous sub-threshold ultra-low power processor
(2015)Ultra low power VLSI circuits may enable applications such as medical implants, sensor networks and things for IoT. Aggressive supply voltage scaling is known to significantly improve power consumption and efficiency, but ... -
AVS video decoder on multicore systems: Optimizations and tradeoffs
(2011)Newer video compression standards provide high video quality and greater compression efficiency, compared to their predecessors. Their increased complexity can be outbalanced by leveraging all the levels of available ... -
Backscatter Sensors Communication for 6G Low-Powered NOMA-Enabled IoT Networks Under Imperfect SIC
(2022)The combination of nonorthogonal multiple access (NOMA) using power-domain with backscatter communication (BC) is expected to connect large-scale Internet of things (IoT) devices in the future sixth-generation era. This ... -
A cooperative protocol for spectral-efficient cognitive relay networks
(2014)In this paper we propose a cooperative protocol for cognitive wireless networks that can improve the overall system spectral efficiency when a secondary user (SU) incorrectly transmits over the same resource with the primary ... -
Distributed space-time coding of over-the-air superimposed packets in wireless networks
(2013)In this paper we propose a new cooperative packet transmission scheme that allows independent sources to superimpose over-the-air their packet transmissions. Relay nodes are used and cooperative diversity is combined with ... -
Enhancing design space exploration by extending CPU/GPU specifications onto FPGAs
(2015)The design cycle for complex special-purpose computing systems is extremely costly and time-consuming. It involves a multiparametric design space exploration for optimization, followed by design verification. Designers of ... -
A fully convolutional sequence learning approach for cued speech recognition from videos
(2021)Cued Speech constitutes a sign-based communication variant for the speech and hearing impaired, which involves visual information from lip movements combined with hand positional and gestural cues. In this paper, we consider ... -
HEVC decoder optimization in low power configurable architecture for wireless devices
(2015)High Efficiency Video Coding (HEVC) is the new video compression standard, reducing bitrates nearly at half compared to H.264, offering potentially significant power savings for wireless video transmission at the network ... -
Implementation of the AVS video decoder on a heterogeneous dual-core SIMD processor
(2010)This paper presents the implementation of Advanced Audio and Video Standard Part 2: Video (AVS P2), the Chinese video standard, to Diamond 388VDO Video Processor, a heterogeneous dual core Tensilica SIMD processor. Through ... -
Interference decoding in cellular wireless relay networks with space-time coding
(2016)In this paper we propose a cooperative protocol and a symbol decoding algorithm that target improved performance in the presence of inter-cell interference (ICI) in wireless cellular networks. Our scheme uses the wireless ... -
Joint Object Affordance Reasoning and Segmentation in RGB-D Videos
(2021)Understanding human-object interaction is a fundamental challenge in computer vision and robotics. Crucial to it is the ability to infer 'object affordances' from visual data, namely the types of interaction supported by ... -
Lossy transmission of correlated sources in a multiple access quasi-static fading channel
(2016)In this paper, we investigate low-complexity, receiver-driven strategies for the transmission of two correlated sources in a multiple access quasi-static fading channel. We consider two different transmission modes at the ... -
An LTE reconfigurable SOVA/log-MAP turbo decoder for uncorrelated Rayleigh fading
(2015)According to published literature for turbo decoding, SOVA and log-MAP algorithms share common operations. This paper shows that the improved reconfigurable SOVA/log-MAP turbo decoder can be implemented in LTE standard for ... -
Mapping and optimization of the AVS video decoder on a high performance chip multiprocessor
(2010)Modern multimedia workloads provide increased levels of quality and compression efficiency at the expense of substantially increased computational complexity. It is important to leverage the off-the-shelf emerging multi-core ... -
Modeling the lossy transmission of correlated sources in multiple access fading channels
(2017)In this paper, we develop accurate distortion models for the lossy transmission of two correlated sources in a multiple access Rayleigh fading channel. We focus on a class of real-life communication systems, where the ... -
Multi-Source Cooperative Communication with Opportunistic Interference Cancelling Relays
(2015)In this paper, we present a multi-user cooperative protocol for wireless networks. Two sources transmit simultaneously their information blocks and relays employ opportunistically successive interference cancellation (SIC) ... -
Multimodal sign language recognition via temporal deformable convolutional sequence learning
(2020)In this paper we address the challenging problem of sign language recognition (SLR) from videos, introducing an end-to-end deep learning approach that relies on the fusion of a number of spatio-temporal feature streams, ... -
Multiple access with asynchronous broadcasting in wireless cooperative networks
(2013)In this paper we present a multiple access scheme for wireless networks that allows multiple nodes to broadcast their packets simultaneously. The simultaneously broadcasted packets are superimposed with a random pattern ... -
Shortening design time through multiplatform simulations with a portable OpenCL golden-model: The LDPC decoder case
(2012)Hardware designers and engineers typically need to explore a multi-parametric design space in order to find the best configuration for their designs using simulations that can take weeks to months to complete. For example, ...