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Archive for November, 2009

Booming Egypt Telecom Market

Posted by Admin November - 30 - 2009 - Monday ADD COMMENTS

Booming Egypt Telecom Market

An effective and efficient telecommunications infrastructure is crucial for the development of a modern society and strong economy. Egypt has embarked on the journey of upgrading and improving its telecommunications infrastructure as technology evolves, traffic grows and the usage of modern communication devices increases in the country. In this direction, Egypt has been witnessing an aggressive development of telecommunication projects educational infrastructure and bandwidth allocation for past some years. Thus, these developments are attracting several ICT companies from different corners of the world, looking to establish major global service delivery centers in the country. ( http://www.bharatbook.com/detail.asp?id=126893&rt=Booming-Egypt-Telecom-Market.html )

Our new research report “Booming Egypt Telecom Market” provides an in-depth analysis of the telecommunication market in Egypt, and updates clients with the current and past market trends, recent developments and strategies adopted by key players to stay in competition with their rivals. The research report also gives forecast for various telecom segments based on realistic telecom industry environment. These include telecommunication industry, fixed-line, mobile subscribers, Internet subscribers and broadband subscribers. Moreover, our research presents thorough analysis of the current and potential outlook of emerging technologies, such as 3G and WiMAX.

We have also examined the Egyptian mobile market and found that it posses a huge untapped potential since the penetration rate was just around 50% at the end of 2008. With rapidly improving mobile infrastructure and intense competition among the three mobile operators, the mobile subscribers will grow at a CAGR of around 18% between 2010 and 2012 and the penetration rate will exceed 100% by 2012 end.

In line with improving education level and increasing business activities in the country, the demand for Internet services is also surging as people have started realizing its importance to make their day-to-day lives more smooth and comfortable. On the back of strong government initiatives, Egypt has become one of the leading ICT markets in Africa in terms of subscriber base, services offered and international bandwidth. Our research forecasts that there will be around 22 Million Internet users in the country by the end of 2012. This report also offers rational analysis of telecom operators in the country. This includes in-depth research and extensive information of their business activities, recent developments and SWOT analysis with regard to the Egyptian telecom industry.
 

To know more and to buy a copy of your report feel free to visit : http://www.bharatbook.com/detail.asp?id=126893&rt=Booming-Egypt-Telecom-Market.html

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Article Source:http://www.articlesbase.com/communication-articles/booming-egypt-telecom-market-1515739.html

Telecoms Articles

4G Wireless: The Future of Internet for Today’s College Students

Posted by Admin November - 30 - 2009 - Monday ADD COMMENTS

College represents one of the most exciting times in a young adult’s life.  It represents the first step towards adulthood and forging one’s individual identity and path.  It also represents a major shift in lifestyle, as students from all across the country each fall move out of their childhood homes and into large dormitories. Gone are the days of strict rules, curfews, or groundings.  Once at college, students learn to take responsibility for themselves and their actions.  Students also must learn to develop new habits to fit into their new daily routines.  

Gone are the days of waking up to the smell of mom’s fresh blueberry waffles, or taking a break from studying to meander over to the kitchen for a steak dinner.  At college all students experience the same freshman ritual, the cafeteria.  Preferences quickly adapt and students learn the best tricks and rules for ensuring that they receive some sort of nutrition their first year.  Another major routine change is related to prioritizing and organizing one’s academic schedule.  Freshman year brings a whole new level of freedom from that experienced in high school .  Without rigid rules, students may choose from a vast array of courses, according to their interests, and , of course, the times at which they begin in the morning.  During freshman year, students also learn that there are no more doctor’s notes or sick days; one must take responsibility for their own schedule.

In addition to class attendance norms, studying habits also change drastically in college.  While for years students had access to any quiet room in their parents’ home for study purposes, they now must make the trek to the university library or a local WiFi café in order to have space to successfully study.  While this study routine shift may sound simple enough, it can be quite stressful during busy midterm and final exam periods.  During exam times, it seems as though all of the campus is suddenly looking for a place to work just as you have only a few hours to find somewhere to finish your paper or cram for the test.  Finding an empty study spot at the library or one of the few internet cafes can be quite difficult and can serve to compound the stress of the exam period itself.

Luckily for today’s college students, modern technology has given way to a new kind of internet access that will help to not only de-stress exam periods, but will surely help to increase any student’s productivity throughout the school year. 4G wireless internet is a revolutionary, new kind of internet service.  Unlike cable or dial up connections, 4G gives subscribers internet access that is essentially portable.  With a subscription to 4G, you gain an unprecedented level of convenience, as you can access the internet anywhere within your city.  

Wherever you bring your laptop, whether it be a location with WiFi access or not, you will be hooked up with high-speed internet access.  For students, a subscription to 4G means an end to hours spent trying to find a location to study or write during exam periods.  With a subscription to 4G wireless internet, students can work wherever they feel most productive, whether it be under an oak tree in the park, at a local cafe, or in a friend’s apartment.  Thus for freshman entering college next year, consider investing in the most useful school supply ever invented, consider investing in a subscription to 4G wireless internet.

Academic all-stars choose clear wireless internet 4g. The new wave of internet is here, and it’s clear 4g.

Article Source:http://www.articlesbase.com/communication-articles/4g-wireless-the-future-of-internet-for-todays-college-students-1517841.html

Telecoms Articles

Go Green, with Green VPS Hosting

Posted by Admin November - 30 - 2009 - Monday ADD COMMENTS

Many companies prefer to have their websites on commited servers so that they do not have to cut up resources. A eco-friendly VPS hosting machine is one similar way of performing this. This type of commited machine allows many customers to use it, instead of one customer using the piece of hardware. One server becomes segmented virtually and each slice works as it’s own dedicated machine.

It allocates one piece of equipment with other webpages but it does not syphon the resources of that one machine the way shared hosting will. green VPS hosting is in reality a pleasant medium among shared web hosting and dedicated web hosting. Plus, if a person on a shared machine writes a program that by mistake takes down the server, your website will go offline as well, another complication green VPS hosting deals with.

green VPS hosting in many ways is much like a shared web hosting plan. Each piece of the machine will have its very own operating system and can be rebooted separate of each other and its resources allotted to it. If the machine all of a sudden has a jump in requests, it will only effect that website and not yours.

Quite a few green VPS hosting machines are currently at one’s disposal that take advantage of eco-friendly technology to power them. They’re also protected from power outages with back up generators. These businesses that offer green VPS hosting are taking the step in reducing their carbon footprint on the environment, and for future generations to come.

You would be amaze to came to find out an Information Technology Business would make a huge carbon footprint, you’d be quite surprised to find out how much of one they do. Did you know a single moderate sized server gives out an equal amount of carbon emissions as an SUV that does 15 MPG? IT organizations utilize enough power that it is presently at one’s disposal, and it is responsible for up to 65% of the 500,000 metric tons of carbon dioxide generated by these types of firms each year.

Green VPS hosting servers are more affordable to run and are just as dependable as there traditional counter parts. Examine converting to a eco-friendly VPS hosting provider that is healthier on the ecosystem if you are not as of now.

Read More in the article “Go Green, with Green VPS Hosting.“

Andrew Valentine is the co-author with Angela Adair Hoy of How to Publish and Promote Online, and with Doug Clegg of Buzz Your Book.

Article Source:http://www.articlesbase.com/communication-articles/go-green-with-green-vps-hosting-1518047.html

Telecoms Articles

Maximize Wireless Reach with Multi-Antenna MIMO

Posted by Admin November - 29 - 2009 - Sunday ADD COMMENTS

MIMO (Multiple Input Multiple Output) wireless system uses multiple antennas at the transmitter and receiver to transmit and receive multiple data streams to achieve higher data rate and improves performance of radio systems with increase spectral efficiency. MIMO techniques are used extensively in IEEE 802.11n WLAN and 4G cellular networks such as WiMAX and LTE (Long Term Evolution) systems. A MIMO system uses spatially separated antennas to obtain spatial diversity in a multipath propagation environment. MIMO system can provide either diversity gain to combat signal fading or to provide capacity gain to achieve higher data rate. There are three different types of MIMO techniques. The first type is to maximize spatial diversity by improving transmit power efficiency. The second type is spatial multiplexing where multiple independent data signals are transmitted over antennas to increase data rate. The third type uses channel knowledge at the transmitter to obtain capacity gain, also known as beamforming.

Spatial Diversity can be implemented using SIMO (Single Input Multiple Output) or MISO (Multiple Input Single Output) systems. SIMO uses single transmit antenna and multiple receive antennas to provide receive diversity while MISO uses multiple transmit antennas and single receive antenna to provide transmit diversity.  Signal power in a wireless channel fluctuates continuously. The signal is in fade when the signal power drops significantly and diversity is used to combat fading. In SIMO, the receive antennas see the different faded versions of the same transmitted signal and the receiver combines these signals to produce a resultant signal that has less amplitude variation and more easy to decode. A simple transmitter diversity scheme is implemented using space time block code (STBC), also referenced as Alamouti code. Two streams of signal symbols (both carries the same data but encoded differently using STBC) are transmitted simultaneously from two separate antennas to provide diversity in space/time domain.

Similar to STBC, Space Frequency Block Code (SFBC) can also be used except the encoding is carried out in antenna/frequency domain and frequency domain transmission scheme such as OFDM (Orthogonal Frequency Division Multiplexing) is used. The purpose of both STBC and SFBC schemes is not to increase systems capacity, but to improve SNR (Signal to Noise Ratio) and to reduce the BER (Bit Error Rate) of the system by transmitting coded information. As the channel SNR increases, it is possible to use a higher order modulation scheme and to receive the transmitted data at a greater distance (range). Since each symbol carries more bits of data in higher modulation scheme, this indirectly results in increase in system capacity.

Spatial Multiplexing in MIMO system provides a linear increase in transmission rate proportional to the number of transmit-receive antenna pairs without increasing the transmission bandwidth or power. A 2 x 2 MIMO system uses two transmit and two receive antennas. The bit stream to be transmitted is de-multiplexed in two half rate sub-streams, modulated and transmitted simultaneously from each transmit antenna. Since two different symbols are transmitted from the two antennas in one symbol period, the transmit rate is double as compared with SISO system. Under favorable channel conditions, the receiver can differentiate between the two co-channel signals, extracts both signals and combines it to yield the original bit stream. Spatial Multiplexing is particularly useful in urban deployments where long reach is less important than high data rate at the end user device.

Beamforming is a MIMO technique that uses multiple transmit antennas and shapes the overall antenna beam in the direction of the target receiver. Beamforming is used when the channel knowledge that can be used to improve the system performance is available at the transmitter. Channel knowledge refers to the instantaneous channel conditions or statistical property such as transmit and receive antenna correlation property. In general, transmitter beamforming can increase the signal strength at the receiver up to a factor T (number of transmit antennas). A pre-coding vector is derived from the channel knowledge and the transmitted signal is multiplied by the pre-coding, which can be interpreted as the beamformer.

Beamforming enhances SNR for higher throughput and link robustness while simultaneously reduces interference. When receiving a signal, beamforming can increase the gain in the direction of wanted signals and decrease the gain in the direction of interference and noise. Beamforming can provide significant range and capacity increase in a wireless network.

Paul Ngai, P.E. is an engineering consultant specialized in Telecommunications Network and Systems. He is also the principal of Network Systems Technologies LLC (http://www.nstecs.net), a telecommunications consulting firm provides planning, analysis, design, testing and operation support services.

Article Source:http://www.articlesbase.com/communication-articles/maximize-wireless-reach-with-multiantenna-mimo-1516246.html

Telecoms Articles

Green VPS hosting, how does it work?

Posted by Admin November - 29 - 2009 - Sunday ADD COMMENTS

Because many companies are incline not to ration resources, they prefer to acquire a dedicated machine for their webpages. A green VPS hosting server is one such way of performing this. This type of dedicated machine allows many clients to use it, rather than one client using the piece of hardware. One machine becomes segmented virtually and each slice works as it’s own dedicated machine.

eco-friendly VPS hosting in many ways is comparable to a shared web hosting account. Whilst it fragments the same piece of equipment with other webpages, luckily it doesn’t syphon resources like shared hosting does. Shared hosting has the capability to allow one customer to drain the resources of the complete server while eco-friendly VPS hosting doesn’t. It’s cheaper than commited as it uses the same server that is cut up with other webpages,but it is partitioned in a way that resources are not drained. When one webpage on a shared server uses up bandwidth, it can cause your page to run slowly. Another issue that is fixed with green VPS hosting is that if another page causes the server to go offline, by say a malformed program, rather than yours go offline as well, it will remain up.

When you elect to work with a eco-friendly VPS hosting machine, your webpage will be placed on a server that has been partitioned so it operates like its own server. Each piece of the server will have its very own operating system and can be reset separate of one another and its resources allocated to it. If the server abruptly has a jump in requests, it will only effect that webpage and not yours. It won’t crash if a programmer programs a program that affect it and you can actually place different webpages on one partition if you so choose.

eco-friendly technology feeds lots of the green VPS hosting providers currently up for grabs. These machines work absolutely the equivalent to as regular green VPS hosting servers except that they are powered by renewable power providers, such as wind or solar power, and then shielded from blackouts with backup systems generators. The businesses that offer eco-friendly VPS hosting are taking a step forward in cutting down their carbon footprint on the ecosystem and protecting it for generations to come.

Carbon footprints are greatly reduced by businesses selling eco-friendly VPS hosting shielding our future generations. The carbon footprint created by an Information Technology corporation will shock you. Are you aware that a single moderate sized server gives out as much carbon emissions as an SUV that does 15 miles per gallon? eco-friendly VPS hosting machines cost less to operate and are just as reliable as there formal counter parts. Web hosting companies that give their customers “eco-friendly servers” are helping reduce this number.

Eco-friendly VPS hosting machines are more affordable to operate and are just as dependable as there regular counter parts. You should ponder swapping web hosting companies for one that is easier on the environment rather than just everyday solutions.

Read More in the article “Go Green, with Green VPS Hosting.“

Andrew Valentine is the co-author with Angela Adair Hoy of How to Publish and Promote Online, and with Doug Clegg of Buzz Your Book.

Article Source:http://www.articlesbase.com/communication-articles/green-vps-hosting-how-does-it-work-1517011.html

Telecoms Articles

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