Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity

Hiromasa Fujii; Hitoshi Yoshino

3rd International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications

Research Article

Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity

Cite: BibTeX Plain Text

@INPROCEEDINGS{10.1109/CROWNCOM.2008.4562501,
    author={Hiromasa Fujii and Hitoshi Yoshino},
    title={Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity},
    proceedings={3rd International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications},
    publisher={IEEE},
    proceedings_a={CROWNCOM},
    year={2008},
    month={7},
    keywords={},
    doi={10.1109/CROWNCOM.2008.4562501}
}

Hiromasa Fujii
Hitoshi Yoshino
Year: 2008
Spectrum Sharing by Adaptive Transmit Power Control for Low Priority Systems and its Achievable Capacity
CROWNCOM
IEEE
DOI: 10.1109/CROWNCOM.2008.4562501

Hiromasa Fujii¹^,*, Hitoshi Yoshino¹^,*

1: Research Laboratories, NTT DoCoMo, Inc. 3-5 Hikari-no-oka Yokosuka, Kanagawa, Japan

*Contact email: fujiihir@nttdocomo.co.jp, yoshinoh@nttdocomo.co.jp

Abstract

A spectrum sharing method is proposed for the systems which share the same frequency band or adjacent bands with different priorities. The proposed method adaptively controls transmission power according to information offered by high-priority system receivers. We give theoretical capacities achieved by low-priority systems when the proposed method and a conventional method (constant transmit power) are applied. Numerical results confirm that the proposed method attains 1.5- 2 times larger capacity than the conventional method.

Published: 2008-07-15
Publisher: IEEE
Modified: 2010-05-16

: http://dx.doi.org/10.1109/CROWNCOM.2008.4562501