Santosh Dornal
Back in the day’s people mostly used wire lines to communicate. It was noticed that customers never liked if they had to change there telephone numbers if they move from one place to other. The wireless industry was just picking up then.Number Portability came making it possible for subscribers to move from one place to other, one service provider to other and one service to other without changing their telephone/mobile ... [Read more]
Behold, 4G is coming soon. As 3G services are on the verge of start, operators are already chalking out plans for deploying 4G here in India. As you might know Verizon in USA and Vodafone D2 in Germany have successfully launched 4G services, many operators around the world are ready to follow soon. The following post briefs about Long Term Evolution (LTE) – System Architecture Evolution (SAE), a 4G technology. ... [Read more]
Hello would you like to have a base station? Well, not really base station doesn’t fit my house. So how about a tiny base station that sits somewhere in the corner of house. Sounds interesting? Basically, a mobile is connected to a base station all the time to make or receive calls the stations are huge antennas and serve hundreds of people. These bases stations are connected to the operators ... [Read more]
The current major mobile internet deployment in India is EDGE with pockets of 3G deployed by couple of operators. EDGE gives a maximum speed of 384Kbps with per channel capacity being around 50Kbps max. So a user on EDGE is atleast guaranteed a 64Kbps speed, which is fair enough for email and chat. EDGE is based on legacy GSM radio technology. On the other hand 3G has picked up the ... [Read more]
Now who doesn’t want to watch a HD movie on a mobile phone? Ok, so here is how it all works. When a mobile is a connected to a network, for data access, a pipe is created for the same in the network. The pipe gets fatter as you pay higher below in simple words. Voice call is circuited switched. That is when you make a voice call direct connection ... [Read more]
Network and spectrum are pretty expensive things. Huge costs go in deploying networks. An operator who is ready to incur costs expects good return on investment. But the costs are so huge that it takes years for an operator to look at profits. Also they cannot charge heavily for service because they have incurred huge costs. So there is a trade off between what we expect and what we get. ... [Read more]
3G is here or will be here! Much awaited spectrum has been auctioned and service providers are gearing up to launch their services. Even the mobile phone manufacturers are excited too. 3G has been around for a while in Europe and East Asia and has been refined to work efficiently there. International Telecom Union (ITU) tracks the evolution of the mobile communication systems. Universal Mobile Telecommunication System (UMTS) from GSM ... [Read more]
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