By the design and optimization of upcoming radio access techniques and a further evolution of the existing system, the Third Generation Partnership Project (3GPP) had laid down the foundations of the future Long Term Evolution (LTE) advanced standards-the 3GPP candidate for 4G. This paper offers an overview of the research work carried out to meet the requirements of 4G. The various technology components like wideband transmission and spectrum sharing, multiantenna solutions, coordinated multiple transmission/reception (CoMP) and relaying, introduced to meet the requirements for LTE Advanced systems, have been discussed.
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Parikh et al. (2011) studied this question.
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