发明申请
- 专利标题: RADIO COMMUNICATION APPARATUS AND METHOD
- 专利标题(中): 无线电通信设备和方法
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申请号: US12763485申请日: 2010-04-20
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公开(公告)号: US20100272211A1公开(公告)日: 2010-10-28
- 发明人: Yusuke OHWATARI , Anass Benjebbour
- 申请人: Yusuke OHWATARI , Anass Benjebbour
- 申请人地址: JP Chiyoda-ku
- 专利权人: NTT DoCoMo, Inc.
- 当前专利权人: NTT DoCoMo, Inc.
- 当前专利权人地址: JP Chiyoda-ku
- 优先权: JP2009-105638 20090423
- 主分类号: H04B7/02
- IPC分类号: H04B7/02 ; H04L27/00
摘要:
A disclosed radio communication method includes precoding modulated information signal sequences to calculate transmit weight information, setting initial transmit power based on prior information including the calculated transmit weight information, generating an objective function of a user channel capacity for a constrained optimization problem based on the transmit weight information and the initial transmit power, generating a new objective function by adding a barrier function to the objective function, using an initial temporary barrier parameter to initiate iteration of an optimization operation for the new objective function, setting an initial barrier parameter based on comparison between the current and previous outputs, calculating transmit power to optimize the new objective function in accordance with an interior point method based on the initial transmit power and the initial barrier parameter and allocating the calculated transmit power to the respective transmit antennas.
公开/授权文献
- US08243848B2 Radio communication apparatus and method 公开/授权日:2012-08-14