8Multi-Hop Cellular Networks
8.1 Modeling Multi-Hop Multi-Operator Multi-Technology Wireless Networks
As we already indicated in the definition of the generic model of the future wireless networks, these networks are envisioned to integrate multi-hop, multi-operator, multi-technology (m3) components to meet the increasing traffic demand at a reasonable price for subscribers. For this purpose, in this section we present a comprehensive model of m3 wireless networks that enables a tractable analysis of the system. The multi-hop concept is adopted in order to provide connectivity to those users that are not within the direct coverage of any base station/access point (BS/AP), to minimize the power consumption and to enable spatial reuse of the resources across the network. The potential users acting as relays may belong to different operators and as such may or may not want to cooperate. In addition, multi-technologies are modeled by an assumption that some of the network subareas are also covered by small/femto cells or Wireless Local Area Networks (WLANs). For such network, new m3 route discovery protocols are presented to find the most appropriate route towards the BS/AP and guarantee full connectivity within the network. After the most suitable routes are identified, the negotiation process between the multiple operators starts in order to reach a common access decision. So, the network economics principles discussed in the previous chapter are now further elaborated within ...
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