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Power allocation for multiband coded OFDM systems with limited feedback

conference contribution
posted on 2011-12-01, 00:00 authored by Duc To, Huan X Nguyen, Jinho Choi, Seungwon Choi
In this paper, we study the power allocation for multiband coded OFDM systems. With limited feedback, we propose an effective power allocation method across OFDM bands to maximize the throughput and achieve the quality of service target. To facilitate the proposed method, two optimization algorithms based on greedy and dynamic programming principles are discussed. The trade-off between performance and complexity is provided. Simulation results show that the proposed power allocation mechanism allows a signal to noise ratio gain of 2 dB at a goodput of 2.5 bit per second per Hz over the multiband OFDM systems with equal power allocation.

History

Location

San Francisco, California

Start date

2011-09-05

End date

2011-09-08

ISSN

1550-2252

ISBN-13

9781424483273

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2011, IEEE

Title of proceedings

Proceedings of IEEE Fall 2011 Vehicular Technology Conference

Event

IEEE Vehicular Technology. Conference (Fall 2011 : San Francisco, California)

Publisher

Institute of Electrical and Electronics Engineers

Place of publication

Piscataway, N.J.

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