Abstract | ||
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In this paper, a resource allocation algorithm for orthogonal frequency division multiple access based and infrastructure-based relay networks is introduced. The al gorithm is applied in the downlink of a single cell. Channel state information is exploited at the transmitting base station (BS) and at the transmitting relay stations (RSs). The algorithm coordinates the allocation of subcarriers, bits and power distributed over the BS and RSs. The goal of the resource allocation algorithm is that the sum rate in a cell is maximized. Simultaneously, each SS achieves a requested data rate called minimum data rate and a tolerated bit error probability is ensured on each link. Simulation results show that a sum rate in a cell is achi eved which is near to an upper bound introduced in the paper. Even if the sum of the minimum data rates of all SSs is large, the proposed algorithm offers the minimum data rate nearly as reliable as the upper bound. Additionally, simulation results show that the proposed algorithm achieves a superior sum rate compared to the sum rate of other resource allocation algorithms. |
Year | DOI | Venue |
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2009 | 10.1155/2009/630964 | EURASIP J. Adv. Sig. Proc. |
Keywords | Field | DocType |
base station,upper bound,resource allocation,channel state information | Code rate,Computer science,Artificial intelligence,Bit error rate,Computer vision,Orthogonal frequency-division multiple access,Algorithm,Resource allocation,Frequency-division multiple access,Electrical engineering,Relay,Orthogonal frequency-division multiplexing,Telecommunications link | Journal |
Volume | Issue | ISSN |
2009 | 1 | 1687-6180 |
Citations | PageRank | References |
2 | 0.45 | 16 |
Authors | ||
3 |
Name | Order | Citations | PageRank |
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Christian Muller | 1 | 2 | 0.45 |
Anja Klein | 2 | 232 | 18.18 |
Bernhard Raaf | 3 | 413 | 43.83 |