Impact of open-loop power controlled feedback on multiuser capacity in Rayleigh fading channels

Title
Impact of open-loop power controlled feedback on multiuser capacity in Rayleigh fading channels
Author
김동우
Keywords
Multiuser capacity; OLPC; feedback channel; correlated Rayleigh fading; diversity
Issue Date
2009-12
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE COMMUNICATIONS LETTERS, v. 13, No. 12, Page. 932-934
Abstract
This letter investigates the impact of open-loop power control (OLPC) employed in uplink (UL) feedback channel on the multiuser downlink (DL) capacity. OLPC is used to reduce the capacity loss caused by the feedback outage. Assuming flat Rayleigh channels correlated between DL and UL, we provide probability distributions on the DL SNR that are successfully fed back through UL managed by OLPC. Numerical results are used to verify the accuracy of the analysis and to show the impact of relevant parameters of OLPC on the capacity as a function of DL-UL correlation.
URI
https://ieeexplore.ieee.org/abstract/document/5353267http://repository.hanyang.ac.kr/handle/20.500.11754/76729
ISSN
1089-7798; 1558-2558
DOI
10.1109/LCOMM.2009.12.091286
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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