A TOTAL LEAST SQUARES TECHNIQUE FOR THE DESIGN OF A WIRELESS BEAMFORMING SYSTEM

A TOTAL LEAST SQUARES TECHNIQUE FOR THE DESIGN OF A WIRELESS BEAMFORMING SYSTEM
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无线波束形成系统设计的总体最小二乘法

DOI:
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发表时间:
2012
影响因子:
1
通讯作者:
Nordholm, S.
Nordholm, S.
中科院分区:
--
文献类型:
--
作者:
Feng, Zhi Guo;Yiu, Ka Fai Cedric;Nordholm, S.

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本文提出了一种新的宽带麦克风阵列系统模型,该系统利用无线传输将信号转发到附近的快速服务器,以便在将较小的权重发送回设备之前连续地获得最优系数。通过使用校准信号序列,我们建立了一个总体最小二乘问题,并将其转化为一个等价的优化问题。通过分析问题的结构,可以得到最优解的解析表达式。为了说明这一点,给出了两个数值结果。
In this paper, a new model of broadband microphone array system is pro- posed, where wireless transmission is employed to relay the signals to a fast server nearby in order tond the optimallter coefficients continuously before thelter weights are sent back to the device. By using sequences of calibration signals, we formulate a total least squares problem and transform it into an equivalent optimization problem. By ex- ploiting the structure of the problem, analytic expressions for the optimal solution can be obtained. For illustration, two numerical results are presented.
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