公开(公告)号：US20110249779A1

公开(公告)日：2011-10-13

申请号：US13140004

申请日：2009-12-18

申请人： Honglei Miao ,  Risto Juhani Paatelma

发明人： Honglei Miao ,  Risto Juhani Paatelma

IPC分类号： H04B7/10

CPC分类号： H04B7/0848 ,  H04B7/0845 ,  H04B7/0854 ,  H04B7/0874 ,  H04L25/0212 ,  H04L25/0224 ,  H04L25/0256 ,  H04L25/03038 ,  H04L25/03292 ,  H04L2025/03426

摘要： A first noise variance is determined for a signal received on a first diversity branch of a receiver, and a second noise variance is determined for a signal received on a second diversity branch of the receiver. The signal received on the second diversity branch is scaled as a function of a ratio of the first noise variance and the second noise variance. A received signal is then estimated by combining the signal on the first diversity branch with the scaled signal on the second diversity branch. In this manner reasonable complexity is used to process diversity signals that exploits the difference in noise variation at the different receive diversity branches, without requiring matrix inversion and without having to assume the same noise variation across the diversity receive branches. Methods, apparatuses and computer programs are detailed operable in HSDPA and other systems.

摘要翻译： 对于在接收机的第一分集分支上接收的信号确定第一噪声方差，并且对于在接收机的第二分集分支上接收的信号确定第二噪声方差。 在第二分集支路上接收的信号被缩放为第一噪声方差和第二噪声方差之比的函数。 然后通过将第一分集支路上的信号与第二分集支路上的缩放信号进行组合来估计接收信号。 以这种方式，使用合理的复杂度来处理利用不同接收分集分支处的噪声变化差异的分集信号，而不需要矩阵反转，而不必在分集接收分支上假设相同的噪声变化。 方法，装置和计算机程序在HSDPA和其他系统中是可操作的。