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RECEIVER, COMMUNICATION SYSTEM, AND METHOD IMPLEMENTED BY COMPUTER FOR ENABLING BOTH ANALOG AND DIGITAL BEAMFORMING IN COMMUNICATION SYSTEM
RECEIVER, COMMUNICATION SYSTEM, AND METHOD IMPLEMENTED BY COMPUTER FOR ENABLING BOTH ANALOG AND DIGITAL BEAMFORMING IN COMMUNICATION SYSTEM
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机译:用于实现通信系统中的模拟和数字波束形成的计算机实现的接收器,通信系统和方法
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摘要
A method for enabling hybrid beamforming in a communication system including a transmitter being able to serve a plurality of receivers, wherein a frequency band comprises at least one subcarrier, wherein each receiver is associated to a set Cprec,k of analog precoiling codewords, said method comprising: —for each receiver, computing (202) an analog precoding matrix FRF k associated to said receiver; said computation (202) comprising: /a/ for each subcarrier, performing (202a) a Singular Value Decomposition, SVD, on a channel matrix associated to said receiver and to said each subcarrier; /b/ for each subcarrier, determining a first decomposition matrix Vk(1) based on the relative SVD; /c/ determining (303) an analog precoding codeword which optimizes a first function g1(Vk(1), . . . , Vk(L), F) of Vk(1), . . . , Vk(L) and F, for a plurality of F E Cprec,k, wherein L denotes a number of subcarriers.
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机译:一种用于在通信系统中实现混合波束成形的方法,该通信系统包括能够服务于多个接收机的发射机,其中,频带包括至少一个子载波,其中,每个接收机与模拟预卷码字的集合Cprec,k相关联,所述方法包括:—对于每个接收机,计算( 202 B>)与所述接收机相关的模拟预编码矩阵FRF k;所述计算( 202 B>)包括:/ a /对于每个子载波,在信道上执行( 202 B> a I>)奇异值分解SVD与所述接收机和所述每个子载波相关的矩阵; / b /对于每个子载波,基于相对SVD确定第一分解矩阵Vk( 1 B>); / c /确定( 303 B>)一个模拟预编码码字,该代码优化了第一函数g 1 B>(Vk( 1 B>),...,Vk Vk( 1 B>),的(L),F)。 。 。对于多个F Cprec,k,V k(L)和F,其中L表示子载波的数量。
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