Presentation 2013-01-25
Joint Resource Allocation under Interference Constraint for Cognitive Multi-Hop Networks
Shuta KAKO, Osamu TAKYU, Takeo FUJII,
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Abstract(in English) In this paper, we have proposed a secondary user (SU) resource assignment algorithm for a multi-hop cognitive radio network to improve end-to-end throughput In the multi-hop networks for spectrum sharing, each SU has to improve throughput with taking the primary users (PU) protection into account. To overcome this problem, we have set the PU acceptable received power which is decided by the acknowledgment (ACK) power from PU receiver to each SU user. According to this information, we analyzed the performance of the proposed algorithm to maximize the end-to-end throughput of SU multi-hop flow considering PU acceptable interference power by optimizing SU transmit power. Here, distributed joint allocation algorithm has been utilized to solve the optimization problem and effective allocate the power for each SU users.
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Keyword(in English) Cognitive Radio / Multi-hop Network / Resource Allocation / Joint Allocation
Paper # SR2012-83
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Conference Date 2013/1/17(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Joint Resource Allocation under Interference Constraint for Cognitive Multi-Hop Networks
Sub Title (in English)
Keyword(1) Cognitive Radio
Keyword(2) Multi-hop Network
Keyword(3) Resource Allocation
Keyword(4) Joint Allocation
1st Author's Name Shuta KAKO
1st Author's Affiliation Advanced Wireless Communication research Center (AWCC), The University of Electro-Communications()
2nd Author's Name Osamu TAKYU
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Shinshu University
3rd Author's Name Takeo FUJII
3rd Author's Affiliation Advanced Wireless Communication research Center (AWCC), The University of Electro-Communications
Date 2013-01-25
Paper # SR2012-83
Volume (vol) vol.112
Number (no) 407
Page pp.pp.-
#Pages 6
Date of Issue