Title :
Distributed uplink power control algorithm for QoS enhancement
Author :
Park, Jongrok ; Lee, Hojae ; Kim, Seonghyun ; Lee, Sanghoon
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
Distributed uplink power allocation technique as a strategy for maintaining the quality of service (QoS) is described for orthogonal frequency division multiplexing (OFDM) based networks. In proposed algorithm, the power is allocated to subcarriers having large signal-to-interference-plus-noise ratio (SINR) according to the criterion. In order to reduce cochannel interference, we propose the power allocation scheme based on the SINR feed back. The simulation shows that the proposed algorithm is converged while maintaining the required QoS.
Keywords :
OFDM modulation; cochannel interference; power aware computing; quality of service; radio links; radio networks; QoS enhancement; SINR feedback; cochannel interference; distributed uplink power allocation; distributed uplink power control algorithm; orthogonal frequency division multiplexing based network; quality of service; signal-to-interference-plus-noise ratio; Algorithm design and analysis; Interchannel interference; OFDM; Power control; Quality of service; Signal to noise ratio; OFDM-based cellular networks; inter-cell interference; outage probability; power allocation;
Conference_Titel :
Advanced Communication Technology (ICACT), 2011 13th International Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-8830-8
