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LONG TERM EVOLUTION 3GPP

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LONG TERM EVOLUTION 3GPP

Postby sushilbalar » Fri Feb 03, 2012 3:09 pm

PLEASE UPLOAD THE REPORT AND PPT FOR THE TOPIC ON LONG TERM EVOLUTION 3GPP [IEEE PAPERS]
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Re: LONG TERM EVOLUTION 3GPP

Postby Prasanth » Fri Feb 03, 2012 3:25 pm

Long Term Evolution (LTE) is the next step forward in cellular 3G services. Expected in the 2008 time frame, LTE is a 3GPP standard that provides for an uplink speed of up to 50 megabits per second (Mbps) and a downlink speed of up to 100 Mbps. LTE will bring many technical benefits to cellular networks. Bandwidth will be scalable from 1.25 MHz to 20 MHz. This will suit the needs of different network operators that have different bandwidth allocations, and also allow operators to provide different services based on spectrum. LTE is also expected to improve spectral efficiency in 3G networks, allowing carriers to provide more data and voice services over a given bandwidth.

The 3GPP Long Term Evolution (LTE) represents a major advance in cellular technology. LTE is designed to meet carrier needs for high-speed data and media transport as well as high-capacity voice support well into the next decade. It encompasses high-speed data, multimedia unicast and multimedia broadcast services. Although technical
specifications are not yet finalized, significant details are emerging. This paper focuses on the LTE physical layer (PHY).

The LTE PHY is a highly efficient means of conveying both data and control information between an enhanced base station (eNodeB) and mobile user equipment (UE). The LTE PHY employs some advanced technologies that are new to cellular applications. These include Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input Multiple Output (MIMO) data transmission. In addition, the LTE PHY uses Orthogonal Frequency Division Multiple Access (OFDMA) on the downlink (DL) and Single Carrier – Frequency Division Multiple Access (SC-FDMA) on the uplink (UL). OFDMA allows data to be directed to or from multiple users on a subcarrier-by-subcarrier basis for a specified number of symbol periods. Due to the novelty of these technologies in cellular applications, they are described separately before delving into a description of the LTE PHY.

Although the LTE specs describe both Frequency Division Duplexing (FDD) and Time Division Duplexing (TDD) to separate UL and DL traffic, market preferences dictate that the majority of deployed systems will be FDD. This paper therefore describes LTE FDD systems only.


Topic By Jim Zyren,Dr. Wes McCoy, Technical Editor

Reference : http://www.freescale.com
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Re: LONG TERM EVOLUTION 3GPP

Postby sushilbalar » Sat Feb 04, 2012 5:55 am

PLEASE SEND PPT FOR THE TOPIC
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Re: LONG TERM EVOLUTION 3GPP

Postby sushilbalar » Sat Feb 04, 2012 5:56 am

PLEASE UPLOAD PPT FOR THE SAME
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Re: LONG TERM EVOLUTION 3GPP

Postby sushilbalar » Sat Feb 04, 2012 5:57 am

PLEASE UPLOAD PPT FOR THE SAME.
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Re: LONG TERM EVOLUTION 3GPP

Postby sushilbalar » Wed Feb 22, 2012 1:45 pm

Please upload ppt for the topic
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