LTE or Long Term Evolution is a replacement to the current GSM and CDMA networks. It is created based on the same reliable technologies that have been used efficiently in the last decade. It is the latest standard that is being projected as a replacement to the 4G and 3G networks which are currently under use. The same technologies that made GSM and CDMA possible are the ones responsible for LTE. It is a project that is being undertaken by the 3GPP or the 3rd Generation Partnership Project.
A few people compare the 4G and LTE networks and use the two names interchangeably, but it is not exactly right. LTE networks are technologically similar to 4G networks and require separate technologies. The LTE Advance is being worked by the pre-4G standard. LTE Advanced can work with just LTE since it is backwards compatible. LTE Networks are now being created by various American network carriers such as AT&T, Verizon and MetroPCS to be compatible to the second generation of smart phones that are coming in the market. It is also uses a public safety service agencies in the United States. It works on the 700 MHz spectrum which is the just released spectrum for use by public.
LTE wireless links provide cell phones, smart phones, tablets and lap tops with downloads speeds of 100 Mbps. Also this is combines with an upload speed of 50 Mbps. LTE is supported by the carrier bandwidths between 20MHz and 1.4Mhz. This supports time division duplexing and frequency division duplexing. It also has the added advantage of supporting the older network technologies such as CDMA and GSM. Already LTE Advances is being developed, but has not been deployed with any carrier. The speeds of 100 Mbps will help in the next generation of telecommunication while is going 3D and holographic technologies are being worked on.