A limited feedback joint precoding for AF relay networks TSP10

báo cáo hóa học: " ZAP: a distributed channel assignment algorithm for cognitive radio networks" pot

báo cáo hóa học:
... implemented for comparison purposes: the Centralized Tabu-Based Algorithm (CTBA) [6] and a random channel attribution method (RANDOM) We evaluate the performance of channel assignment by analyzing ... statement For small networks that not show significant variations (due to node mobility or change in the channel availability), a suitable approach for channel assignment is to elect a node as ... total network capacity [16] The proposed ZAP algorithm In this section, we present the ZAP algorithm for dynamic channel assignment in CRNs By operating in a distributed way and above the MAC layer,...
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Báo cáo hóa học: " Research Article A Sociability-Based Routing Scheme for Delay-Tolerant Networks" doc

Báo cáo hóa học:
... [14], cars act as data mules and employ a carry-and-forward paradigm to transfer data packets to a portal Finally, in [15], opportunistic data delivery is studied when both traditional routing and ... delay-tolerant applications A variety of measurements have been made recently available on the Internet [3, 26] in the form of traffic traces or contact patterns When a historical database of contacts ... delay) and is started at a random time on the first day of traced period We set a timeout of day and a transmission range TR = 500 meters This value is in accordance, for example, with the standard...
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Báo cáo hóa học: " Research Article A QoS-Aware Mesh Protocol for Future Home Networks Using Autonomic Architecture" pot

Báo cáo hóa học:
... considers channels with good quality and channel diversity in the same routing protocol THE QOS-AWARE MESH ROUTING PROTOCOL “SAM” Despite the availability of several routing protocols for ad hoc networks, ... knowledge plane (Section 2.1) (also known as signaling), and finally, the management plane carries the operations and administration traffic required to administrate the three other planes For implementing ... protocol that gives optimal performance whatever the network conditions are, we argue that an adaptive and dynamic selection of routing path, taking into account the current traffic situation, is able...
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Báo cáo hóa học: " Research Article A Multievent Congestion Control Protocol for Wireless Sensor Networks" pptx

Báo cáo hóa học:
... packet Therefore, data packets are piggybacked to update buffer state When a sensor x sends out a data packet, it piggybacks its residual-buffer size in the frame header If a neighbor y overhears ... the next hop node’s transport buffer Nodes maintain a queue at the transport layer and Faisal B Hussain et al forward a single packet from it during their allocated slots Packet delivery time not ... Each node maintains data and schedule intervals, therefore, the operation of MCCP can be subdivided into schedule interval and data interval operations Each schedule interval is followed by a...
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Báo cáo hóa học: "Research Article A Novel Distributed Privacy Paradigm for Visual Sensor Networks Based on Sharing Dynamical Systems" pptx

Báo cáo hóa học:
... or capturing the same scene at approximately the same camera orientation A security goal of each node in a cluster is to send partial visual information, which we call shares to a base station ... practicality Finally, we note that our paradigm is geared towards visual data, or any kind of data whose semantics are not destroyed by small perturbations The inherent redundant nature of visual data offers ... note that our analogy partitions an image spatially, whereas in TANGRAM, partitioning is performed at the pixel level This is because spatial partitions may still reveal some semantic content...
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Báo cáo hóa học: " Vector perturbation based adaptive distributed precoding scheme with limited feedback for CoMP systems" docx

Báo cáo hóa học:
... perturbation based adaptive precoding schemes are designed by perturbing the precoding/ beamforming vectors [4-7,9,11-15] A method for applying overlaid perturbation vectors for gradient -feedback ... important for such a vector perturbation based adaptive distributed precoding scheme The selected adjustment factor for the coordinated BSs should generate a better adaptive precoding vector to ... literature, vector perturbation is a popular and efficient technique for distributed beamforming scheme to mitigate the requirement on CSI feedback [4-7,9] For feedback overhead reduction, vector perturbation...
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Báo cáo hóa học: "Research Article A Diversity Guarantee and SNR Performance for Unitary Limited Feedback MIMO Systems" ppt

Báo cáo hóa học:
... precoding is the transmit array gain which is also a ected due to precoder quantization An analytical characterization of the loss in array gain due to quantization for single-stream beamforming in MISO ... transmitter for precoding For analytic tractability we consider an uncorrelated Rayleigh flat-fading MIMO channel and we let Mt , Mr , and Ms denote the number of transmit antennas, receive antennas, and ... approximation in (27) is reasonably accurate even at small values of N and provides a practical characterization of performance 4.5 Observations To better understand the result in (27), we provide an...
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Báo cáo hóa học: " Research Article A Diversity Guarantee and SNR Performance for Unitary Limited Feedback MIMO Systems" potx

Báo cáo hóa học:
... precoding is the transmit array gain which is also a ected due to precoder quantization An analytical characterization of the loss in array gain due to quantization for single-stream beamforming in MISO ... transmitter for precoding For analytic tractability we consider an uncorrelated Rayleigh flat-fading MIMO channel and we let Mt , Mr , and Ms denote the number of transmit antennas, receive antennas, and ... approximation in (27) is reasonably accurate even at small values of N and provides a practical characterization of performance 4.5 Observations To better understand the result in (27), we provide an...
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Báo cáo khoa học: "A Stacked Sub-Word Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" potx

Báo cáo khoa học:
... F-score performance on the test data Conclusion and Future Work This paper has described a stacked sub -word model for joint Chinese word segmentation and POS tagging We defined a sub -word structure ... 2005) In this work, stacked learning is used to acquire extended training data for sub -word tagging 3.1 Method Architecture In our stacked sub -word model, joint word segmentation and POS tagging ... novel stacked sub -word model Given multiple word segmentations of one sentence, we formally define a sub -word structure that maximizes the agreement of non -word- break positions Based on the sub-word...
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Báo cáo khoa học: "A Feedback-Augmented Method for Detecting Errors in the Writing of Learners of English" docx

Báo cáo khoa học:
... cannot be used to distinguish mass and count nouns in the writing of learners of English for the purpose of detecting The paper is made of hemp pulp The underlined papers in both sentences cannot ... contains further useful information For example, we can obtain training data consisting of instances of errors by comparing the feedback corpus with its original corpus Also, comparing it with the ... is true, then a decision are a lot of chickens in the roost   Method for detecting the target errors (1) To define the template in the proposed method, let us have a look at the following two...
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Báo cáo khoa học: "Argumentative Feedback: A Linguistically-motivated Term Expansion for Information Retrieval" doc

Báo cáo khoa học:
... such as a, which stands for alpha in chemistry and is relevant in biomedical expressions such as vitamin a 4.2 Argumentative categorizer The argumentative classifier ranks and categorizes abstract ... Biology Articles as a Basis for Information Extraction International Journal of Medical Informatics, to appear C Orasan 2001 Patterns in Scientific Abstracts In Proceedings of Corpus Linguistics, pages ... Srinivasan 2003 Categorization of sentence types in medical abstracts AMIA Annu Symp Proc., pages 440– 444 Y Mizuta and N Collier 2004 Zone identification in biology articles as a basis for information...
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Báo cáo khoa học: "A Comparison of Head Transducers and Transfer for a Limited Domain Translation Application" pptx

Báo cáo khoa học:
... Selection of a word and acceptor to start an entire derivation Monolingual Relational Models We can characterize the language models used for analysis and generation in the transfer system as quantitative ... taken by a relational head acceptor m in s t a t e qi are: • Selection of a dependent word and acceptor given a head word and a dependency relation 2.2 Transfer Transfer in this model is a mapping ... by hand as monolingual head acceptor and bilingual dependency lexicons for the transfer system and a head transducer lexicon for the transducer system Positive and negative counts for cost assignment...
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Báo cáo khoa học: "A Joint Model for Discovery of Aspects in Utterances" potx

Báo cáo khoa học:
... Proc of the Annual Meeting of the Association of Computational Linguistics (ACL) J Reisinger and M Pasca 2011 Fine-grained class label markup of search queries In Proc of the Annual Meeting of ... 2004 Interactive machine learning techniques for improving slu models In Proceedings of the HLT-NAACL 2004 Workshop on Spoken Language Understanding for Conversational Systems and Higher Level Linguistic ... version injects an informative prior for domain, dialog act and slot topic distributions using information extracted from only labeled training utterances and inject as prior conj straints (corpus...
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báo cáo hóa học: "Introducing a feedback training system for guided home rehabilitation" potx

báo cáo hóa học:
... suitable for home rehabilitation training This is true for many other approaches as well [32-36] Page of 11 We therefore aimed to develop an easy to use, cheap and mobile training system that allows ... measured force values For all parameters, the mean values as well as the variances were calculated For evaluating the differences in the parameters among different groups, analysis of variance (double-sided ... Feedback Training System The Feedback Training System is based on resistive elements like gymnastic bands or tubes They are cheap, easy to use and allow resistive training at home To characterize a physiotherapeutic...
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