公开(公告)号：US07286612B2

公开(公告)日：2007-10-23

申请号：US10184054

申请日：2002-06-28

申请人： Juha Ylitalo ,  Kari Horneman ,  Marcos Katz ,  Markku Juntti

发明人： Juha Ylitalo ,  Kari Horneman ,  Marcos Katz ,  Markku Juntti

IPC分类号： H04L27/00

CPC分类号： H04L1/0048 ,  H04B7/0613

摘要： The invention relates to a method of transmitting data from a transmitter to a receiver in a radio system, and to a radio system. The method includes the following: channel-coding the data using selected channel-coding; dividing the channel-coded non-interleaved data into signals with different contents, to be transmitted via at least two different transmitter antennas; providing the signal to be transmitted via each transmitter antenna with an identifier, by means of which identifier the signals transmitted via different transmitter antennas are distinguishable from each other in the receiver; transmitting the signals to the receiver using different transmitter antennas; detecting the signal transmitted via each transmitter antenna with a receiver receiving each transmitter antenna in the receiver, and combining the detected signals into received channel-coded non-interleaved data; decoding the channel-coding of the received channel-coded non-interleaved data; and the receiver attenuating interference utilizing the decoded data.

摘要翻译： 本发明涉及一种从无线电系统中的发射机向接收机发送数据的方法和无线电系统。 该方法包括：使用选择的信道编码对数据进行信道编码; 将信道编码的非交织数据划分为具有不同内容的信号，以经由至少两个不同的发射机天线发射; 通过每个发射机天线提供具有标识符的信号，通过该标识符，经由不同发射机天线发送的信号在接收机中彼此区分; 使用不同的发射机天线将信号发射到接收机; 通过接收机接收每个发射机天线的接收机检测经由每个发射机天线发射的信号，并将检测到的信号组合成接收的信道编码非交织数据; 解码所接收的信道编码非交织数据的信道编码; 并且接收机利用解码数据衰减干扰。

公开(公告)号：US20050180493A1

公开(公告)日：2005-08-18

申请号：US10783049

申请日：2004-02-19

申请人： Kari Hooli ,  Kai Kiiskila ,  Jari Ylioinas ,  Markku Juntti

发明人： Kari Hooli ,  Kai Kiiskila ,  Jari Ylioinas ,  Markku Juntti

IPC分类号： H04B1/707 ,  H04B7/02 ,  H04B7/06 ,  H04J99/00 ,  H04L25/03

CPC分类号： H04B1/7105 ,  H04B7/02 ,  H04B2201/709727

摘要： Disclosed is a chip-level or a symbol-level equalizer structure for a multiple transmit and receiver antenna architecture system that is suitable for use on the WCDMA downlink. The equalizer structure takes into account the difference in the natures of inter-antenna interference and multiple access interference and suppresses both inter-antenna interference and multiple access interference (MAI). Enhanced receiver performance is achieved with a reasonable implementation complexity. The use of the CDMA receiver architecture, in accordance with this invention, enables the realization of increased data rates for the end user. The CDMA receiver architecture can also be applied in conjunction with space-time transmit diversity (STTD) system architectures.

摘要翻译： 公开了适用于WCDMA下行链路上的多发射和接收机天线体系结构的芯片级或符号级均衡器结构。 均衡器结构考虑了天线间干扰和多接入干扰性质的差异，并抑制天线间干扰和多接入干扰（MAI）。 通过合理的实现复杂度实现增强的接收机性能。 根据本发明，使用CDMA接收机架构能够实现最终用户增加的数据速率。 CDMA接收机架构也可以结合时空发射分集（STTD）系统架构来应用。

公开(公告)号：US20050153703A1

公开(公告)日：2005-07-14

申请号：US10748672

申请日：2003-12-31

申请人： Markku Juntti ,  Ari Pouttu

发明人： Markku Juntti ,  Ari Pouttu

IPC分类号： H04B7/005 ,  H04B17/00 ,  H04B7/00

CPC分类号： H04W52/243 ,  H04B17/20

摘要： A method, a transceiver, a telecommunications system, and a computer program are provided. According to the invention, a sampled receive signal is generated from a receive signal. An interference level threshold is derived on the basis of an iterative statistical analysis of the sampled receive signal, and an interfered portion of a signal space is identified on the basis of a comparison of the sampled receive signal and the interference level threshold. In an embodiment, the transmit resources are reduced from the interfered portion of the signal space.

摘要翻译： 提供了一种方法，收发器，电信系统和计算机程序。 根据本发明，从接收信号产生采样的接收信号。 基于采样的接收信号的迭代统计分析导出干扰电平阈值，并且基于采样的接收信号与干扰电平阈值的比较来识别信号空间的干扰部分。 在一个实施例中，从信号空间的干扰部分减少发送资源。

公开(公告)号：US07466779B2

公开(公告)日：2008-12-16

申请号：US10606288

申请日：2003-06-26

申请人： Markku Juntti ,  Kimmo Kansanen

发明人： Markku Juntti ,  Kimmo Kansanen

IPC分类号： H04B1/10

CPC分类号： H04L25/0202

摘要： The invention relates to a method, a prefiltering arrangement and a base station for implementing an adaptive channel estimator. The method comprises determining from a received signal at least one variable representing statistical characteristics of a channel, determining a prefilter by means of the at least one variable representing the statistical characteristics of the channel, and adapting the prefilter output sample rate for the channel estimator.

摘要翻译： 本发明涉及一种实现自适应信道估计的方法，预滤波装置和基站。 该方法包括从接收信号确定表示信道的统计特性的至少一个变量，借助于表示信道的统计特性的至少一个变量来确定预滤波器，以及调整信道估计器的预滤波器输出采样率。

公开(公告)号：US20080089403A1

公开(公告)日：2008-04-17

申请号：US11986802

申请日：2007-11-26

申请人： Kari Hooli ,  Kai Kiiskila ,  Jari Ylioinas ,  Markku Juntti

发明人： Kari Hooli ,  Kai Kiiskila ,  Jari Ylioinas ,  Markku Juntti

IPC分类号： H04L27/01

CPC分类号： H04L25/03044 ,  H04B1/7097 ,  H04B2201/709727 ,  H04L25/0226 ,  H04L2025/03426 ,  H04L2025/03509 ,  H04L2025/03617

摘要： Disclosed is a chip-level or a symbol-level equalizer structure for a multiple transmit and receiver antenna architecture system that is suitable for use on the WCDMA downlink. The equalizer structure takes into account the difference in the natures of inter-antenna interference and multiple access interference and suppresses both inter-antenna interference and multiple access interference (MAI). Enhanced receiver performance is achieved with a reasonable implementation complexity. The use of the CDMA receiver architecture, in accordance with this invention, enables the realization of increased data rates for the end user. The CDMA receiver architecture can also be applied in conjunction with space-time transmit diversity (STTD) system architectures.

公开(公告)号：US5881097A

公开(公告)日：1999-03-09

申请号：US742064

申请日：1996-10-31

申请人： Jorma Lilleberg ,  Markku Juntti

发明人： Jorma Lilleberg ,  Markku Juntti

IPC分类号： H04B1/707 ,  H04B15/00 ,  H04K1/00 ,  H04L27/30

CPC分类号： H04B1/707

摘要： A receiving method and a receiver comprising circuit elements that are arranged to calculate estimates for parameters of a received signal in two or more stages, for processing the signal iteratively by means of an observation time-slot of a given length and containing a plurality of samples, and for sliding the observation time-slot over the received samples. In order to avoid complicated matrix operations, the receiver comprises circuit elements for sliding the observation time-slot in such a way that successive observation time-slots partly overlap, and for employing, upon calculating the estimates and decisions of parameters in each observation time-slot, estimates provided by the previous observation time-slot as initial values for those samples that fall within the previous observation time-slot, and estimates provided by the previous stage for those samples that do not fall within the previous observation time-slot.

摘要翻译： 一种接收方法和接收机，包括电路元件，其被布置成以两级或更多级计算接收信号的参数的估计，用于通过给定长度的观测时隙迭代地处理信号并且包含多个采样 并且用于在所接收的样本上滑动观察时隙。 为了避免复杂的矩阵运算，接收机包括用于滑动观测时隙的电路元件，使得连续观测时隙部分重叠，并且在计算每个观测时间段中的参数的估计和决定时， 时隙，由先前观察时隙提供的估计值作为落在先前观察时隙内的那些采样的初始值，以及由前一级为不在前一观测时隙内的那些采样提供的估计。