Radio Engineering, RAN -

Modern cellular networks support a concept known as the heterogeneous network – the term ‘heterogeneous’ is generically defined as meaning ‘diverse in character or content’ and that is the sense in which it is employed here. A HetNet is one in which many base stations, of varying types and sizes, share the same radio resource environment to provide a multi-layered or hierarchical service consisting of network of macro cells and small cells which can offer ‘multi-mode’ (a mixture of 2G, 3G and/or 4G services) and ‘multi-technology’ (a mix of cellular and Wi-Fi) services. Multi-technology deployments allow Wi-Fi access points to...

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