| No | 187609 |
|---|---|
| 標題（和） | AN ERGODIC ALGORITHM FOR POWER CONTROL FOR CDMA DATA NETWORKS |
| 標題（英） | AN ERGODIC ALGORITHM FOR POWER CONTROL FOR CDMA DATA NETWORKS |
| 研究会名（和） | 通信方式, 信号処理, 回路とシステム |
| 研究会名（英） | Communication Systems, Signal Processing, Circuits and Systems |
| 開催年月日 | 2008-03-06 |
| 終了年月日 | 2008-03-07 |
| 会議種別コード | 5 |
| 共催団体名（和） | |
| 資料番号 | CAS2007-128, SIP2007-203, CS2007-93 |
| 抄録（和） | |
| 抄録（英） | In this paper, we consider \r\npower control for the uplink of a direct-sequence code-division multiple-access data network \r\nusing a game-theoretic approach.\r\nIn the uplink,\r\nthe purpose of power control \r\nis for each user \r\nto transmit enough power so that it can achieve \r\nthe required quality of service\r\nwithout causing unnecessary interference to other users\r\nin the system.\r\nThe power-control game is modified as a Nash equilibrium problem \r\nin which each user can choose its transmit power in order to maximize its own utility, \r\nand a Nash equilibrium is an ideal solution of the power-control game.\r\nWe present a noncooperative power-control game \r\nin which each user can choose the transmit power in a way that each user gets the required \r\nsignal-to-interference-plus-noise ratio level and maximizes its own utility.\r\nOn linear receivers, we deal with the the matched filter and decorrelator receivers.\r\nNext we present a new ergodic algorithm for the proposed power-control game\r\nbecause the existing iterative algorithms can not be applied effectively to the proposed power control.\r\nWe also present convergence analysis for the proposed algorithm.\r\nIn addition, applying the proposed algorithm to the proposed power control for large systems,\r\nwe compare the performance for\r\nthe matched filter and decorrelator receivers, the signal-to-interference-plus-noise ratio levels and so on. |
| 収録資料名（和） | 電子情報通信学会技術研究報告 |
| 収録資料の巻号 | Vol.107, No.527,529,531 |
| ページ開始 | 17 |
| ページ終了 | 22 |
| キーワード（和） | |
| キーワード（英） | Game theory,Nash equilibrium,power control,nonexpansive mapping,utility function,ergodic algorithm |
| 本文の言語 | ENG |
| 著者（和） | 飯塚秀明 |
| 著者（ヨミ） | イイヅカ ヒデアキ |
| 著者（英） | Hideaki Iiduka |
| 所属機関（和） | 東京工業大学 |
| 所属機関（英） | Tokyo Institute of Technology |
| 著者（和） | 山田功 |
| 著者（ヨミ） | ヤマダ イサオ |
| 著者（英） | Isao Yamada |
| 所属機関（和） | 東京工業大学 |
| 所属機関（英） | Tokyo Institute of Technology |