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| Presentation | 2008-03-07 10:50 AN ERGODIC ALGORITHM FOR POWER CONTROL FOR CDMA DATA NETWORKS Hideaki Iiduka, Isao Yamada (Tokyo Inst. of Tech.)  CAS2007-128 SIP2007-203 CS2007-93 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we consider power control for the uplink of a direct-sequence code-division multiple-access data network using a game-theoretic approach. In the uplink, the purpose of power control is for each user to transmit enough power so that it can achieve the required quality of service without causing unnecessary interference to other users in the system. The power-control game is modified as a Nash equilibrium problem in which each user can choose its transmit power in order to maximize its own utility, and a Nash equilibrium is an ideal solution of the power-control game. We present a noncooperative power-control game in which each user can choose the transmit power in a way that each user gets the required signal-to-interference-plus-noise ratio level and maximizes its own utility. On linear receivers, we deal with the the matched filter and decorrelator receivers. Next we present a new ergodic algorithm for the proposed power-control game because the existing iterative algorithms can not be applied effectively to the proposed power control. We also present convergence analysis for the proposed algorithm. In addition, applying the proposed algorithm to the proposed power control for large systems, we compare the performance for the matched filter and decorrelator receivers, the signal-to-interference-plus-noise ratio levels and so on. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Game theory / Nash equilibrium / power control / nonexpansive mapping / utility function / ergodic algorithm / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 529, SIP2007-203, pp. 17-22, March 2008. | |
| Paper # | SIP2007-203 | |
| Date of Issue | 2008-02-29 (CAS, SIP, CS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | CAS2007-128 SIP2007-203 CS2007-93 |
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| Conference Information | |
| Committee | CS SIP CAS |
| Conference Date | 2008-03-06 - 2008-03-07 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yamaguchi University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network processors, signal processing for communications, wireless LAN/PAN, etc. |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2008-03-CS-SIP-CAS |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | AN ERGODIC ALGORITHM FOR POWER CONTROL FOR CDMA DATA NETWORKS |
| Sub Title (in English) | |
| Keyword(1) | Game theory |
| Keyword(2) | Nash equilibrium |
| Keyword(3) | power control |
| Keyword(4) | nonexpansive mapping |
| Keyword(5) | utility function |
| Keyword(6) | ergodic algorithm |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hideaki Iiduka |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Isao Yamada |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-07 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SIP |
| Paper # | CAS2007-128, SIP2007-203, CS2007-93 |
| Volume (vol) | vol.107 |
| Number (no) | no.527(CAS), no.529(SIP), no.531(CS) |
| Page | pp.17-22 |
| #Pages | 6 |
| Date of Issue | 2008-02-29 (CAS, SIP, CS) |
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