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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Peng Wang Chunhui Liu Mathar, R. |
| Copyright Year | 2011 |
| Description | Author affiliation: Institute for Theoretical Information Technology, RWTH Aachen University D-52064 Aachen, Germany (Peng Wang; Chunhui Liu; Mathar, R.) |
| Abstract | In OFDM networks, inter-cell interference significantly degrades system performance. This paper investigates a dynamic fractional frequency reused proportional fair in time and frequency scheduling which considers fairness in time, frequency and user dimensions. The solution first allocates subcarriers by a centralized dynamic subcarrier partitioning algorithm to maximize long-term throughput performance while satisfying the rate constraints of users in each set of sectors. Then a decentralized proportional fair in time and frequency scheduling is applied in each cell independently to enhance system throughput while satisfying constraints on minimum rate and fairness of users based on the above fractional frequency reuse architecture. Simulation results demonstrate that the proposed method significantly improves system throughput in comparison to conventional fractional frequency reuse methods. |
| Starting Page | 745 |
| Ending Page | 749 |
| File Size | 235206 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781612844039 |
| ISSN | 21540225 |
| e-ISBN | 9781612844022 |
| e-ISBN | 9781612844015 |
| DOI | 10.1109/ISWCS.2011.6125449 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-11-06 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | OFDM Microprocessors Computer architecture Digital signal processing Interference Time frequency analysis Throughput |
| Content Type | Text |
| Resource Type | Article |
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