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Coverage and capacity are the two most vital aspects of any cellular technology. Coverage, in particular, is of prime importance in a Long Term Evolution network. However, both come at a significant cost. Deployment of additional eNodeBs (macro layer) to cover small dead zones might often result in a negative return on investment. Instead a scheme that augments the macro layer by making use of low...
The wireless communication system frequency diversity can be exploited with the help of Space frequency coding. In order to gain maximum frequency diversity various environment criteria needs to be considered. This paper proposes a practical approach of Distributed Space Frequency Coding [DSFC] for non-identically distributed [i.n.d] fading environment. As the geographical location of nodes is different,...
This paper proposes an optimal relay selection criteria based on the location of the relay (0 ≤ λ ≤ 1) relative to source and destination in the cooperative coded system. The proposed optimization algorithm employs distributed turbo product coding technique with hard and soft decoding. It is shown that the link quality depends on the location of the relay which in turn affects overall system Bit Error...
When it comes to space communication networks, there are many different kinds of space vehicles that need to communicate with each other, in space as well as with ground terminals and air borne platform. Example: Geosynchronous Earth orbit (GEO), Low Earth Orbit (LEO) satellites and UAVs. There is an ever growing demand for higher data rates and minimal redundancy, with satellites and various space...
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