New Delhi, India
New Delhi, India

Bharat Sanchar Nigam Limited is an Indian state-owned telecommunications company headquartered in New Delhi, India. It was incorporated on 15 September 2000 and took over the business of providing of telecom services and network management from the erstwhile Central Government Departments of Telecom Services and Telecom Operations , with effect from 1 October 2000 on a going concern basis. It is the largest provider of fixed telephony, largest broadband services provider with more than 60% Market share, and fourth largest mobile telephony provider in India. However, in recent years the company's revenues and market share have plummeted into heavy losses due to intense competition in the Indian telecommunications sector.BSNL is India's oldest and largest communication service provider . It had a customer base of 117 million as of January 2014. It has footprints throughout India except for the metropolitan cities of Mumbai and New Delhi, which are managed by Mahanagar Telephone Nigam . Wikipedia.


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Dheeba J.,Noorul Islam University | Albert Singh N.,Bharat Sanchar Nigam
Studies in Computational Intelligence | Year: 2015

Breast cancer is the common form of cancer and leading cause of mortality among woman, especially in developed countries. In western countries about 53–92 % of the population has this disease. As with any form of cancer, early detection and diagnosis of breast cancer can increase the survival rate. Mammography is the current diagnostic method for early detection of breast cancer. Breast parenchymal patterns are not stable between patients, between left and right breasts, and even within the same breast from year to year in the same patient. Breast cancer has a varied appearance on mammograms, from the obvious spiculated masses, to very subtle asymmetries noted on only one view, to faint calcifications seen only with full digital resolution or a magnifying glass. The large volume of cases requiring interpretation in many practices is also daunting, given the number of women in the population for whom yearly screening mammography is recommended. It seems obvious that this difficult task could likely be made less error prone with the help of computer algorithms. Computer-aided detection (CAD) systems have been shown to be capable of reducing false-negative rates in the detection of breast cancer by highlighting suspicious masses and microcalcifications on mammograms. These systems aid the radiologist as a ‘second opinion’ in detecting cancers and the final decision is taken by the radiologist. A supervised machine learning algorithm is investigated—Differential Evolution Optimized Wavelet Neural Network (DEOWNN) for detection of abnormalities in mammograms. Differential Evolution (DE) is a population based optimization algorithm based on the principle of natural evolution, which optimizes real parameters and real valued functions. By utilizing the DE algorithm, the parameters of the Wavelet Neural Network (WNN) are optimized. To increase the detection accuracy a feature extraction methodology is used to extract the texture based features of the abnormal breast tissues prior to classification. Then differential evolution optimized wavelet neural network classifier is applied at the end to determine whether the given input data is normal or abnormal. The performance of the computerized decision support system is evaluated using a mini database from Mammographic Image Analysis Society (MIAS) and images collected from mammogram screening centres. © Springer International Publishing Switzerland 2015.


Audhya G.K.,Bharat Sanchar Nigam | Sinha K.,Honeywell | Ghosh S.C.,Indian Statistical Institute | Sinha B.P.,Indian Statistical Institute
Wireless Communications and Mobile Computing | Year: 2011

Efficient allocation of channels for wireless communication in different network scenarios has become an extremely important topic of recent research. The main challenge lies in the fact that the channel allocation problem is NP-complete. Because of a maximum allowable time limit imposed in practical situations for allocation of channels, sometimes we may need to be satisfied with a near-optimal solution. In this correspondence, we present a discussion on the various challenges and approaches that have been used by different researchers to solve the problem of channel allocation taking into account different interference issues and efficient utilization of available communication channels for cellular mobile (including multimedia communication) environment and cognitive radio based networks. Copyright © 2010 John Wiley & Sons, Ltd. Efficient allocation of channels for wireless communication in different network scenarios has become an extremely important topic of recent research. The primary difficulty arises from the fact that the channel allocation problem is NP-complete. In this paper, we describe the challenges involved and also present a survey of the different approaches that have been adopted to solve the problem, taking into account different interference issues and efficient utilization of available communication channels for cellular mobile (including multimedia communication) environments and cognitive radio based networks. Copyright © 2010 John Wiley & Sons, Ltd.


Dheeba J.,Noorul Islam Center for Higher Education | Albert Singh N.,Bharat Sanchar Nigam | Tamil Selvi S.,National Engineering College
Journal of Biomedical Informatics | Year: 2014

Breast cancer is the second leading cause of cancer death in women. Accurate early detection can effectively reduce the mortality rate caused by breast cancer. Masses and microcalcification clusters are an important early signs of breast cancer. However, it is often difficult to distinguish abnormalities from normal breast tissues because of their subtle appearance and ambiguous margins. Computer aided diagnosis (CAD) helps the radiologist in detecting the abnormalities in an efficient way. This paper investigates a new classification approach for detection of breast abnormalities in digital mammograms using Particle Swarm Optimized Wavelet Neural Network (PSOWNN). The proposed abnormality detection algorithm is based on extracting Laws Texture Energy Measures from the mammograms and classifying the suspicious regions by applying a pattern classifier. The method is applied to real clinical database of 216 mammograms collected from mammogram screening centers. The detection performance of the CAD system is analyzed using Receiver Operating Characteristic (ROC) curve. This curve indicates the trade-offs between sensitivity and specificity that is available from a diagnostic system, and thus describes the inherent discrimination capacity of the proposed system. The result shows that the area under the ROC curve of the proposed algorithm is 0.96853 with a sensitivity 94.167% of and specificity of 92.105%. © 2014.


News Article | February 23, 2017
Site: www.businesswire.com

ISLE OF MAN, United Kingdom--(BUSINESS WIRE)--Eros Now, the cutting-edge over-the-top (OTT) Bollywood entertainment platform owned by Eros International Plc (NYSE: EROS), announced its association with SpeedPay – a multi-purpose offline wallet and Indian state owned telecommunications provider, Bharat Sanchar Nigam Ltd (BSNL). With the exclusive tie-up with BSNL, Eros Now will now be bundled across all its existing and new data pack users. The association also enables Eros Now as the exclusive Indian film content provider to data pack users and grants access to the OTT platform’s uninterrupted and seamless entertainment services from premium old and new Bollywood movies, music videos, TV shows and Eros Now originals. The partnership further strengthens Eros Now’s presence across BSNL’s SpeedPay outlets. SpeedPay is a multi-purpose offline wallet that is used to purchase various service On-mobile from affiliated merchants based on ‘anywhere-anytime’ concept and provide safety and convenience for the customer. Unlike other wallets where funds are transferred digitally, SpeedPay is a user-friendly wallet where consumers can walk in to stores, pay cash and recharge/top-up the wallet. SpeedPay has approximately 1.2 million unique visitors transacting every month in the Middle East, and approximately 4 million transactions per day in India. Eros Now will be able reach out to a large database of over 1.3 million retailers and approximately over 2 million unique users in India through SpeedPay. Commenting on the association, Kumar Ahuja, President – Business Development, Eros International, said, “We are happy to associate with SpeedPay and one of the largest telecommunications giants in India, BSNL. This strategic partnership gives Eros Now the edge in tapping a huge customer base across non-metros and tier 2 cities where our telecommunications partner is an undisputed leader. This, along with extending the association to SpeedPay further reaffirms our philosophy of being platform agnostic and expanding our reach strategy, bringing ErosNow’s premium and unparalleled entertainment services on the go”. Paritosh Reddy, CEO, Pyro, said “We are extremely excited to partner with Eros Now and offer their extensive and exclusive Indian movie content to our customers. Our widespread retail network, that spans across the country, will now be able to accept cash payment from Eros Now subscribers - thus allowing the unbanked sector also to enjoy the benefits of OTT services.” SpeedPay – an open loop mobile wallet that allows users to withdraw cash through ATMs and authorized agent network. SpeedPay enables users to also make domestic money transfer, cash deposits, utility bill payments, prepaid mobile recharge, purchase of train and bus tickets, Insurance Premium payments, Credit Card bill payments, Electricity Bill payments etc. SpeedPay is a one stop solution that empowers merchants, retailers and customers to make and accept payments. Eros Now is Eros International Plc’s leading on-demand Bollywood entertainment network accessible anytime, anywhere, on most Internet-connected screen including mobile, web, and TV. Eros Now offers its 58 million registered users worldwide the promise of endless entertainment hosting one of the largest libraries of movies, as well as premium television shows, music videos and audio tracks, unmatched in quantity and quality. Product features, such as video in HD, subtitles in English and Arabic, movie downloads, and high quality original drama series differentiate the Eros Now entertainment offering. To see, watch now: www.erosnow.com Eros International Plc (NYSE: EROS) is a leading global company in the Indian film entertainment industry that acquires, co-produces and distributes Indian films across all available formats such as cinema, television and digital new media. Eros International Plc became the first Indian media company to list on the New York Stock Exchange. Eros International has experience of over three decades in establishing a global platform for Indian cinema. The Company has an extensive and growing movie library comprising of over 3,000 films, which include Hindi, Tamil, and other regional language films. The company also owns the rapidly growing OTT platform Eros Now. For further information please visit: www.erosplc.com


Singh R.K.,Bharat Sanchar Nigam | Singh R.K.,Banaras Hindu University
International Journal of Applied Electromagnetics and Mechanics | Year: 2012

A self-consistent nonlinear simulation model has been presented to analyze the nonlinear behaviour of a gyro-TWT amplifier. It employs a slow-time scale formulation such that the numerical calculation time and the number of numerical integration steps have been drastically reduced. Beam-wave interaction mechanism has been presented with the help of electron flight diagram. The effect of variation of the static magnetic field on the bunching of the electrons along axial direction has also been clearly presented. The electron flight diagram thus obtained clearly demonstrates the electron defocusing and its effect on the saturation behaviour of the device. © 2012 IOS Press and the authors. All rights reserved.


Singh R.K.,Bharat Sanchar Nigam
International Journal of Applied Electromagnetics and Mechanics | Year: 2013

A circular waveguide with axially periodic thin metal disc inserts for its potential application in a gyro-TWT has been investigated for dispersion, form factor, power flowing through the structure, interaction impedance, and gain. The structure has been field analysed for its dispersion characteristics with due care to include the rigour of considering the effect of higher order space and modal harmonics. Dispersion characteristics reveal that the structure under study has like band-pass characteristics. Effect of variation of structure parameters on the dispersion characteristics has been observed in order to shape the waveguide-mode curve for wideband operation of the device. With the help of form factor which decides the extent of coupling between beam and wave, optimum beam position has been decided where maximum interaction between beam and wave takes place. For the structure under study, the value of azimuthal interaction impedance increases with the introduction of metal discs in the waveguide except at higher frequencies, where it decreases rapidly to a value that is lower than that for a smooth-wall circular waveguide. Gain-frequency response observation shows that the dispersion characteristics are readily reflected in the gain-frequency response. It has been found that the disc-hole radius is more effective in controlling the device gain while it is disc-periodicity which is the most effective structure parameter in controlling the device bandwidth. Results have been verified against published results and found to be in very close agreement. © 2013 - IOS Press and the authors. All rights reserved.


Singh R.K.,Bharat Sanchar Nigam
International Journal of Applied Electromagnetics and Mechanics | Year: 2013

In the present paper, a disc-loaded circular waveguide structure has been field analyzed for the power loss and attenuation characteristics. The structure has also been simulated with commercially available simulation tool 'CST Microwave Studio'. The analytical results have been found in close agreement with the simulation results. Attenuation characteristics have been observed for a disc-loaded circular waveguide interaction structure made of materials of different electrical conductivity and has been observed that the material with higher conductivity results in lower attenuation. Further, the variation of attenuation characteristics has been observed for two different azimuthally symmetric modes typically TE-{01} and TE-{02}. Power loss at different surfaces of the disc-loaded circular waveguide excited in TE-{01} mode has also been observed and it has been found that the tip of the discs is the surface where maximum power loss per unit area occurs. Further, it has been found that with increasing the disc-hole radius the ohmic power loss as well as attenuation constant decreases and with increasing the structure periodicity, the ohmic power loss and attenuation increases. Hence, the structure dimensions should be optimally selected for higher bandwidths and gains. © 2013-IOS Press and the authors. All rights reserved.


Ramesh Kumar K.,Bharat Sanchar Nigam | Wahida Banu R.S.D.,Salem College
WSEAS Transactions on Communications | Year: 2012

In all optical networks, signals has to travel over long distances and physical layer impairments (PLI) accumulate as regeneration capability is not available. During transmission, Quality of Service (QoS) of signals as measured by their Bit Error Rates (BER) is degraded due to propagation in the fibers, amplifier noise, and crosstalk between channels arising from the switches and demultiplexers which cannot be removed at the physical layer. It is possible to mitigate physical layer effects at the network layer using appropriate QoS aware Routing and Wavelength Assignment (RWA) algorithms. There are only few Offline RWA algorithms that consider dedicated path protection. In this paper an offline RWA Scheme called WpDp-MaMiQ is presented with dedicated path protection consideration that mitigates PLI. Simulations show that the proposed algorithm performs better in terms of blocking rate and BER.


India is the second largest telecommunications market in the world with 1.2 billion subscribers as of 2015. The telecom market has witnessed a strong growth in the past decade and the sector contributes significantly to the Gross Domestic Product of the country. Revenue generated by the Indian telecom sector in FY 2015 was INR 2,42,900 crore accounting for 1.93% of the GDP. It is projected that by 2020, data revenue contribution will be 35-40% of the total revenue of the telecom operators. This growth is being driven by continuous growth in the data subscribers and usage per subscribers. Bharti Airtel, Vodafone and Idea are the top three players of the Indian telecom market and together accounted for more than 74% share of the total market at the end of March 2016. However, the entry of Reliance JioInfocomm is expected to affect the market dynamics and the position of the top three players. It is expected that the innovative and lucrative schemes being offered by Jio will be a game changer for the Indian telecom industry. Why should the report be purchased? The report ‘A Study of India's Telecom Market 2016’ highlights key dynamics ofIndia’s telecom market. The growing opportunity in the sector has been investigated along with the market drivers and challenges.The initiatives and performance of key playersincluding Bharti Airtel, Vodafone, Reliance Communications, Idea Cellular and Bharat Sanchar Nigam Ltd., along with current market scenario has also been studied. The report contains latest industry leader’s opinion. Smart Research Insights has conducted in depth secondary research to arrive at key insights. Data collected from key public industry sources and publications has been scanned and analyzed impartially to present a clear picture of the industry. All recent developments which impact the sector dynamics have been captured and used to support the research hypothesis. The report is available as single-site single-user license. The delivery time for the electronic version of the report is 3 business days as each copy undergoes thorough quality check and is updated with the most recent information available. The dispatch time for hard copies 4 business days, as each hard copy is custom printed for the client

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