'Institute of Electrical and Electronics Engineers (IEEE)'
Doi
Abstract
Relaying technologies can help address the capacity
and energy-efficiency challenges faced by cellular networks as a
result of the rapid increase in mobile data consumption. A nonnegligible
portion of such consumption corresponds to delay
tolerant services. This delay tolerance offers the possibility for
opportunistic networking to exploit contact opportunities
between mobile devices in order to reduce the impact of data
traffic on the cellular capacity and energy-efficiency without
sacrificing the end-user quality of service. In this context, this
paper investigates the use of opportunistic forwarding in MCNMR
(Multi-hop Cellular Networks with Mobile Relays) to reduce
energy consumption in the case of delay tolerant services. The
study proposes to exploit context information provided at a low
cost by the cellular infrastructure to efficiently select the
forwarding node in a two-hop MCN-MR scenario. The proposed
solution results in significant energy savings compared to
traditional single-hop cellular communications and other
forwarding solutions reported in the literatureThis work is supported in part by the Spanish Ministry of
Economy and Competitiveness and FEDER funds (TEC201126109),and the Local Government of Valencia with reference
ACIF/2010/161 and BEFPI/2012/06
