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2006

Integrated Radio Resource Allocation for Multihop Cellular Networks With Fixed Relay Stations

8 years 11 months ago
Integrated Radio Resource Allocation for Multihop Cellular Networks With Fixed Relay Stations
Recently, the notion that a logical next step towards future mobile radio networks is to introduce multihop relaying into cellular networks, has gained wide acceptance. Nevertheless, due to the inherent drawbacks of multihop relaying, e.g., the requirement for extra radio resources for relaying hops, and the sensitivity to the quality of relaying routes, multihop cellular networks (MCNs) require a well-designed radio resource allocation strategy in order to secure performance gains. In this paper, the optimal radio resource allocation problem in MCNs, with the objective of throughput maximization, is formulated mathematically and proven to be NP-hard. Considering the prohibitive complexity of finding the optimal solution for such an NP-hard problem, we propose an efficient heuristic algorithm, named integrated radio resource allocation (IRRA), to find suboptimal solutions. The IRRA is featured as a low-complexity algorithm that involves not only base station (BS) resource scheduling, b...
Yajian Liu, Reza Hoshyar, X. Yang, Rahim Tafazolli
Added 13 Dec 2010
Updated 13 Dec 2010
Type Journal
Year 2006
Where JSAC
Authors Yajian Liu, Reza Hoshyar, X. Yang, Rahim Tafazolli
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