Today Technology is playing a major role in our lives. Now a days we are so much dependent on technology that we can not even live without it. It is as necessary as the basic needs of human beings. And change is also in nature . We want change. .Hence making the advancements in technology.Things are getting smaller and smaller. Like from bulky CRT's to LCD's to LED's to HD. Technology is making advancements every second. We want more and more. In mobile world as well , we had 1G then switching to 2G to 3G to 4G and even in US 5G.
In telecommunications, 4G is the fourth generation of cell phone mobile communication standards. It is a successor of the Third Generation standards. A 4G system provides mobile ultra Broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices. Conceivable applications include amended mobile web access, IP Telephony, gaming services, High Definition Mobile Telephony, video conferencing and 3D television. Recently, Android and Windows-enabled cellular devices have fallen in the 4G category. One base advantage of 4G is that it can at any point of travelling time provide an internet data transfer rate higher than any existing cellular services (excluding broadband and Wi-Fi connections)
Two 4G candidate systems are commercially deployed: the mobile WiMAX standard (at first in South Korea in 2006), and the first-release Long Term Evolution (LTE) standard (in Scandinavia since 2009).
LTE ( Long Term Evolution), marketed as 4G LTE, is a standard for wireless communication of high-speed data for mobile phones and data terminals. It is based on the GSm/EDGE and UMTS network technologies, increasing the capacity and speed using a different radio interface together with core network improvements. The standard is developed by the 3GPP (3rd Generation Partnership Project) and is specified in its Release 8 document series, with minor enhancements described in Release 9.
The world's first publicly available LTE service was launched by TeliaSonera in Oslo and StockHolm on 14 December 2009. LTE is the natural upgrade path for carriers with GSM/UMTS networks, but even CDMA holdouts such as Verizon Wireless, who launched the first large-scale LTE network in North America in 2010, and au by KDDI in Japan have announced they will migrate to LTE. LTE is, therefore, anticipated to become the first truly global mobile phone standard, although the use of different frequency bands in different countries will mean that only multi-band phones will be able to use LTE in all countries where it is supported.
Huawei ,one of the leading global information and communications technology (ICT) solutions provider that provides wide range of Android smartphones with cloud features whereas Qualcomm Incorporated is a world leader in 3G and next-generation mobile technologies in partnership with Bharti Airtel,announced Ascend P1 LTE, India's first 4G smartphone Powered by Qualcomm's Snapdragon S4 processor, the phone can handle high speed data on the LTE network and voice calls on the underlying 3G network using circuit switched voice fall back (CSFB) technology. Qualcomm Incorporated is an American global semiconductor company that designs, manufactures and markets digital wireless telecommunications products and services. Headquartered in SAN Diego,CA, USA, the company has 157 worldwide locations.
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