公开(公告)号：US08520781B2

公开(公告)日：2013-08-27

申请号：US12846448

申请日：2010-07-29

Applicant: Jianfeng Weng ,  Jason Robert Duggan ,  Edgar Filiberto Velez ,  Martin Kosakowski ,  John Puthen Panicker

Inventor： Jianfeng Weng ,  Jason Robert Duggan ,  Edgar Filiberto Velez ,  Martin Kosakowski ,  John Puthen Panicker

IPC: H04L1/00

CPC classification number: H04L25/0232

Abstract: A method for channel estimation includes receiving data at a number of frequency intervals in a frequency band over a number of first time intervals. A first set of channel estimates is determined for each pilot symbol within the data over a second time interval comprising at least one first time interval, and time-direction interpolation is performed to determine a second set of channel estimates for a number of data portions in a frequency interval using the first set of channel estimates. The frequency interval comprises a data portion comprising a pilot symbol. Frequency-direction interpolation is performed to determine a third set of channel estimates for each first time interval. The time-direction interpolation and the frequency-direction interpolation can be performed in reverse order with the channel estimates generated by the frequency-direction interpolation being used as inputs for time-direction interpolation.

Abstract translation: 用于信道估计的方法包括以多个第一时间间隔在频带中以多个频率间隔接收数据。 在包括至少一个第一时间间隔的第二时间间隔内为数据内的每个导频符号确定第一组信道估计，并且执行时间方向内插以确定多个数据部分的第二组信道估计 使用第一组信道估计的频率间隔。 频率间隔包括包括导频符号的数据部分。 执行频率内插以确定每个第一时间间隔的第三组信道估计。 时间方向插值和频率方向插值可以以相反的顺序进行，频率方向插值产生的信道估计被用作时间插值的输入。

公开(公告)号：US20120027140A1

公开(公告)日：2012-02-02

申请号：US12846448

申请日：2010-07-29

Applicant: Jianfeng Weng ,  Jason Robert Duggan ,  Edgar Filiberto Velez ,  Martin Kosakowski ,  John Puthen Panicker

Inventor： Jianfeng Weng ,  Jason Robert Duggan ,  Edgar Filiberto Velez ,  Martin Kosakowski ,  John Puthen Panicker

IPC: H04B1/10 ,  H04L27/00

CPC classification number: H04L25/0232

Abstract: A method for channel estimation includes receiving data at a number of frequency intervals in a frequency band over a number of first time intervals. A first set of channel estimates is determined for each pilot symbol within the data over a second time interval comprising at least one first time interval, and time-direction interpolation is performed to determine a second set of channel estimates for a number of data portions in a frequency interval using the first set of channel estimates. The frequency interval comprises a data portion comprising a pilot symbol. Frequency-direction interpolation is performed to determine a third set of channel estimates for each first time interval. The time-direction interpolation and the frequency-direction interpolation can be performed in reverse order with the channel estimates generated by the frequency-direction interpolation being used as inputs for time-direction interpolation.

Abstract translation: 用于信道估计的方法包括以多个第一时间间隔在频带中以多个频率间隔接收数据。 在包括至少一个第一时间间隔的第二时间间隔内为数据内的每个导频符号确定第一组信道估计，并且执行时间方向内插以确定多个数据部分的第二组信道估计 使用第一组信道估计的频率间隔。 频率间隔包括包括导频符号的数据部分。 执行频率内插以确定每个第一时间间隔的第三组信道估计。 时间方向插值和频率方向插值可以以相反的顺序进行，频率方向插值产生的信道估计被用作时间插值的输入。