Adaptive System Identification using Markov Chain Monte Carlo

One of the major problems in adaptive filtering is the problem of system identification. It has been studied extensively due to its immense practical importance in a variety of fields. The underlying goal is to identify the impulse response of an unknown system. This is accomplished by placing a known system in parallel and feeding both systems with the same input. Due to initial disparity in their impulse responses, an error is generated between their outputs. This error is set to tune the impulse response of known system in a way that every change in impulse response reduces the magnitude of prospective error. This process is repeated until the error becomes negligible and the responses of both systems match. To specifically minimize the error, numerous adaptive algorithms are available. They are noteworthy either for their low computational complexity or high convergence speed. Recently, a method, known as Markov Chain Monte Carlo (MCMC), has gained much attention due to its remarkably low computational complexity. But despite this colossal advantage, properties of MCMC method have not been investigated for adaptive system identification problem. This article bridges this gap by providing a complete treatment of MCMC method in the aforementioned context

Towards In-Transit Analytics for Industry 4.0

Industry 4.0, or Digital Manufacturing, is a vision of inter-connected services to facilitate innovation in the manufacturing sector. A fundamental requirement of innovation is the ability to be able to visualise manufacturing data, in order to discover new insight for increased competitive advantage. This article describes the enabling technologies that facilitate In-Transit Analytics, which is a necessary precursor for Industrial Internet of Things (IIoT) visualisation.Comment: 8 pages, 10th IEEE International Conference on Internet of Things (iThings-2017), Exeter, UK, 201

A New Approach to Linear Estimation Problem in Multi-user Massive MIMO Systems

A novel approach for solving linear estimation problem in multi-user massive MIMO systems is proposed. In this approach, the difficulty of matrix inversion is attributed to the incomplete definition of the dot product. The general definition of dot product implies that the columns of channel matrix are always orthogonal whereas, in practice, they may be not. If the latter information can be incorporated into dot product, then the unknowns can be directly computed from projections without inverting the channel matrix. By doing so, the proposed method is able to achieve an exact solution with a 25% reduction in computational complexity as compared to the QR method. Proposed method is stable, offers an extra flexibility of computing any single unknown, and can be implemented in just twelve lines of code

Economic Evaluation of Placer Gold Along River Indus From Ghazi to Kund, Khyber Pakhtunkhwa, Pakistan: Implications for Commercial Scale Pilot Plant

A detailed study was conducted on Indus river in order to evaluate the economic potential. Samples werecollected for geochemical studies from both stream sediments (SS) and heavy mineral concentrates (HMC) along Indusriver from Ghazi, Hund, Beka, Alladher and Kund in Khyber Pakhtunkhwa province. All the samples were analyzed forgold (Au), silver (Ag) and base metals in order to get information about geochemical associations. Panning and sluicemethods were applied for the collection of these samples and extraction of visible gold. Results show that HMC havehigh Au contents, having maximum value of 44.15 g/t and 39.15 g/t in Kund and Beka areas respectively with anaverage value of 15.18 g/ton and 11.37 g/ton while the SS have average amount of Au as 0.8 g/t. In both these mediahigher concentration of gold was found in HMC. On the basis of results from both sampling media, the placer golddeposits in Kund, Alladher and Beka are considered highly economical for the commercial exploration of placer gold.Overall, the HMC derived from silt, sand, gravels and cobbles along Indus river indicated potential for placer gold thatcan be utilized for extraction of gold at commercial scale

Testing automatizado de módulo de promociones

Gracias al avance de la tecnología cada vez el ser humano utiliza técnicas que ayudan a mejorar el trabajo de forma eficiente y económicamente. En muchos ámbitos y proyectos se están utilizando la automatización de procesos para tener un control mejor y ahorrar tiempo para realizar tareas. En este proyecto de final de grado elaborado con la colaboración de NTT Data se ha realizado la automatización del módulo de promociones en Drupal con el que se prende minimizar los problemas de testing de un módulo de promociones. Esta memoria analiza y desarrolla un conjunto de pruebas de testing automatizado para agilizar los procesos de detectar errores en el módulo de promociones. Concretamente, se han automatizado las pruebas que hasta ahora se realizaban manualmente. La finalidad de este proyecto es ofrecer una herramienta que realice las pruebas de forma automática haciendo uso de la tecnología para solucionar los problemas del testing. Este producto de testing automatizado se ha desarrollado mediante la tecnología Selenium, un software que permite automatizar testing, el lenguaje de Java, TestNG, Maven. Para el desarrollo se ha utilizado la metodología agile que ha permitido finalizar el proyecto satisfactoriamente.Thanks to the advancement of technology, every time the human being uses techniques that help to improve work efficiently and economically. In many areas and projects, process automation is being used to have better control and save time to complete tasks. In this final degree project elaborated with the collaboration of NTT Data, the automation of the promotions module in Drupal has been carried out with which it is possible to minimize the testing problems of a promotions module. This report analyses and develops a set of automated testing test to streamline the processes of detecting errors in the promotions module. Specifically, tests that until now were carried out manually have been automated. The purpose of this project is to offer a tool that performs tests automatically using technology to solve testing problems. This automated testing product has been developed using Selenium technology, a software that allows automating testing, the Java language, TestNG and Maven. For the development, the agile methodology has been used that has allowed the project to be completed satisfactorily

Performance analysis of hybrid 5G cellular networks exploiting mmWave capabilities in suburban areas

Millimeter wave (mmWave) technology is considered as a key enabler for fifth generation (5G) networks to achieve higher data rates with low transmission power by offloading the users with low signal-to-noise-ratios. Millimeter wave networks operating at E and W frequency bands have available bandwidth of 1 GHz or more to provide higher data rates whereas their propagation characteristics differ greatly from the conventional Ultra High Frequency (UHF) networks operating at sub 6 GHz frequency band. The purpose of this paper is to investigate the performance in terms of coverage and rate, of hybrid cellular networks where base stations (BSs) operating at mmWave and sub 6 GHz bands coexist in suburban environment such as a university campus. The actual building locations within a suburban university campus are modeled as blockages and the analysis is carried out for different densities of UHF and mmWave BSs for different densities of outdoor users. Our analysis also highlight the fact that mmWave cellular networks are predominantly noise-limited due to larger available bandwidth in comparison to the interference limited conventional UHF networks. Extensive simulation results demonstrate the effectiveness of dense deployment of mmWave BSs to achieve better coverage and rate probabilities in comparison to the stand alone UHF network

AN EFFECTIVE APPROACH OF FOUR-STEP METHOD FOR OPTIMAL SOLUTION OF TRANSPORTATION PROBLEM

Transportation problem (TP) in operation research is one of the most in use optimization technique to deal the problems that are related with transportation of goods from sources to destinations. Initial Basic Feasible Solution (IBFS) plays a vital role in TP which offers a way to obtain the optimal solution. The objective is to prevail the total transportation cost equivalent or nearer to optimal solution. In this paper, an effective approach of Four Step Method (FSM) for optimal solution of TP has been brought up in order to get optimal solution of TPs. In this method we construct the Maximum Column Table (MCT) and Maximum Row Table (MRT). Several problems has been solved using this method to get the optimal solution. The outcomes of proposed method are contrasted with results of North West Corner Method (NWCM), Least Cost Method (LCM) and Vogal’s Approximation Method (VAM). It is observed that the proposed method is not only achieving better results but also overcoming the limitation of VAM. Key Words: Transportation problem, Initial Basic Feasible Solution, Optimal solution, Linear programming proble

Information Literacy Skills of LIS Students in Pakistan: A study of University of Sargodha and University of the Punajab, Lahore

This study aimed to investigate the perceived level of IL skills, strength, weakness, challenges, and levels of IL programs attended by ILS students of two leading library schools of Pakistan. This research used descriptive survey method and distributed questionnaire among 330 participants which returned 232 complete usable responses. This study found that participants of both LIS schools perceived good level of IL skills while the majority of them prefer internet sources as they possess adequate internet surfing skills. In addition to challenges the large number of participants lacks knowledge and skills to use computer and personal computer (M = 2.71, SD = 1.245) and (M = 2.84, SD = 1.439). Whereas, the results of IL program attended depicted that majority of participants obtained low mean of (M = 2.76, SD = .985) to (M = 2.57, SD = .991). This study concludes that students of both IL schools were performing well with regard to their IL skills even though there is a dire need for advance level of IL instructions and embedded IL course integration at all a level of degree programs to equipped students with necessary skills

Diet Composition and Seasonal Fluctuations in the Feeding Habit of Snow Barbel (Schizothorax plagiostomus) in River Indus, Pakistan

Background:Schizothorax plagiostomus is widely distributed in river Indus and is most important food fish in Pakistan. The feeding habit of fish is directly related to the size of fish, its metabolic rate and environmental temperature. The accurate description of fish diet and feeding habit is a very important aspect in fisheries management for the purpose of species conservation, breeding and culture. The present work was aimed to investigate the specie abundance, the diet composition and seasonal variations in the feeding habit of Snow barbell Schizothorax plagiostomus.Materials, Methods & Results: A total of 1799 fish specimens were caught at the confluence of six tributaries along river Indus at Indus Kohistan, northeastern Pakistan. The fish were collected by 5-panels of gill net during first week of each month. The site specific Catch Per Unit Effort (CPUE) and season specific CPUE of fish fauna were assessed. For the gut content analysis 240 samples (99 male and 141 females) of S. plagiostomus were selected on monthly basis. Frequency of occurrence method and volumetric method were applied to record the different food items in the gut of S. plagiostomus. The physico-chemical parameters, NO3 concentration and dissolved Co2 of water from different localities of river Indus were recorded month wise by Hach sensION 156 meter, Horiba LAQUA Nitrate Meter and EA80 meter respectively. Significant difference was observed in water temperature during the four seasons. Except alkalinity no other water parameter showed significant variation across different localities. The results showed that highest Mean CPUE was observed for Darel Stream (0.55) and lowest for Jalkot stream (0.26). Peak abundance of fish was recorded in the month of November with a mean catch of 44.50, mean CPUE of 0.74 and mean Kruskal-Wallis rank value of 63.25. Spirogyra and Ulothrix occurred as maximum food items in the gut of S. plagiostomus during summer while their minimum amount occurred during autumn. According to the ranking index spirogyra and ulothrix ranked higher with significant difference in comparison to other food items. The results showed that S. plagiostomus is phytophagous in its feeding habit, which consumed mainly algae attached to stones and pebbles during the whole year. However, the presence of some secondary items such as animal matter, detritus, sand and mud might be due to the distinct availabilities of food along the seasons. The highest feeding activity of S. plagiostomus was recorded during summer while the lowest one occurred during autumn, spring and winter. Discussion: Catch per unit effort (CPUE) is an indirect measure of the abundance of a target species. It is used as an index of stock abundance in fisheries and conservation biology. During the study low fish fauna was found in River Indus as reported previously. Majority of the fish occurred in snow fed river tributaries in the study area as these tributaries are comparatively less turbulent. Previous studies have also recorded that Schizothoracine generally prefer clean waters. The present findings of gut contents analysis showed clearly that S. plagiostomus is a phytophagous fish which scrap and consumed spirogyra and ulothrix attached to stones and pebbles. Earlier it was reported that mouth of S. plagiostomusis is inferior, wide, with deep lower jaw having keratinized cutting edge and the lower lip is folded and expanded with numerous papillae making it best suited for scrapping algae attached to stones and pebbles. The highest feeding activity was observed during warmer months as compared to cold months. S. plagiostomus spawn twice in a year in autumn and in spring. The highest feeding activity of S. plagiostomus seems to be link with a reflex of recovery strategy due to physiological process of gonadal development