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1. 发明授权

US07539259B2 OFDM channel estimation and tracking for multiple transmit antennas 有权
标题翻译：用于多个发射天线的OFDM信道估计和跟踪
公开(公告)号：US07539259B2
公开(公告)日：2009-05-26
申请号：US10566932
申请日：2004-07-28
申请人： Alexandre Ribeiro Dias , Marc Bernard De Courville , Markus D. Muck
发明人： Alexandre Ribeiro Dias , Marc Bernard De Courville , Markus D. Muck
IPC分类号： H04B7/02 , H04L1/02
CPC分类号： H04L25/023 , H04B7/04 , H04L1/0618 , H04L27/2605 , H04L27/2647
摘要： Multiple Transmit Multiple Receive Orthogonal Frequency Division Multiplexing (‘OFDM’) comprising generating bit streams and corresponding sets of N frequency domain carrier amplitudes ({tilde over (s)}(kN+j), 0≦j≦N−1) modulated as OFDM symbols subsequently to be transmitted from a transmitter, where k is the OFDM symbol number and j indicates the corresponding OFDM carrier number. Affix information is inserted at the transmitter into guard intervals between consecutive time domain OFDM symbols and are used at the receiver to estimate the Channel Impulse Response (Hlm) of the transmission channels, the estimated Channel Impulse Response (Ĥlm) being used to demodulate the bit streams in the signals received at the receiver. The affix information is known to the receiver, as well as to the transmitter, and is mathematically equivalent to a vector (cD) that is common to the time domain OFDM symbols multiplied by at least first weighting factors (αk) that are different for one time domain OFDM symbol (k) than for another and second weighting factors (wi(k)) that enable one of the transmit antenna means (i) to be distinguished from another.
摘要翻译：包括生成比特流和N个频域载波幅度的相应集合（{tilde over（s）}（kN + j），0≤j≤N-1的多发送多个接收正交频分复用（'OFDM' 调制为随后从发射机发送的OFDM符号，其中k是OFDM符号数，j表示对应的OFDM载波号。附件信息在发射机处插入连续时域OFDM符号之间的保护间隔，并在接收机处用于估计传输信道的信道脉冲响应（Hlm），所估计的信道脉冲响应（Hlm）用于解调比特在接收机接收的信号中流。接收机以及发射机都知道贴缀信息，并且在数学上等价于与时域OFDM符号相乘的向量（cD），该矢量乘以至少第一加权因子（alphak），其不同于一个时域OFDM符号（k）而不是使得能够将发射天线装置（i）中的一个区别于另一个的另一和第二加权因子（wi（k））。

2. 发明申请

US20080043857A1 Ofdm Channel Estimation and Tracking for Multiple Transmit Antennas 有权
标题翻译： Ofdm信道估计和跟踪多发射天线
公开(公告)号：US20080043857A1
公开(公告)日：2008-02-21
申请号：US10566932
申请日：2004-07-28
申请人： Alexandre Ribeiro Dias , Marc Bernard De Courville , Markus D. Muck
发明人： Alexandre Ribeiro Dias , Marc Bernard De Courville , Markus D. Muck
IPC分类号： H04L23/02
CPC分类号： H04L25/023 , H04B7/04 , H04L1/0618 , H04L27/2605 , H04L27/2647
摘要： Multiple Transmit Multiple Receive Orthogonal Frequency Division Multiplexing (‘OFDM’) comprising generating bit streams and corresponding sets of N frequency domain carrier amplitudes ({tilde over (s)}(kN+j), 0≦j≦N−1) modulated as OFDM symbols subsequently to be transmitted from a transmitter, where k is the OFDM symbol number and j indicates the corresponding OFDM carrier number. Affix information is inserted at the transmitter into guard intervals between consecutive time domain OFDM symbols and are used at the receiver to estimate the Channel Impulse Response (Hlm) of the transmission channels, the estimated Channel Impulse Response (Ĥlm) being used to demodulate the bit streams in the signals received at the receiver. The affix information is known to the receiver, as well as to the transmitter, and is mathematically equivalent to a vector (cD) that is common to the time domain OFDM symbols multiplied by at least first weighting factors (αk) that are different for one time domain OFDM symbol (k) than for another and second weighting factors (wi(k)) that enable one of the transmit antenna means (i) to be distinguished from another.
摘要翻译：包括生成比特流和N个频域载波幅度（s（kN + j），0 <= j <= N-1）的对应集合的多发送多个接收正交频分复用（OFDM）从发射机发射，其中k是OFDM符号号，j表示对应的OFDM载波号。附件信息在发射机处插入连续时域OFDM符号之间的保护间隔，并在接收机处用于估计传输信道的信道脉冲响应（H L1m），估计的信道脉冲响应（用于解调在接收机处接收的信号中的比特流。附件信息对于接收机以及发射机是已知的，并且在数学上等同于时域OFDM符号与至少第一加权因子相乘的向量（c D D D N）对于一个时域OFDM符号（k）而言不同于对于另一个和第二加权因子（w> i（k））的第一加权因子（k）的传输（αk）天线意味着（i）与另一个不同。

3. 发明授权

US07719955B2 Transmission of signaling information in an OFDM communication system 有权
标题翻译：在OFDM通信系统中发送信令信息
公开(公告)号：US07719955B2
公开(公告)日：2010-05-18
申请号：US11912623
申请日：2006-05-01
申请人： Marc Bernard De Courville , Stephanie Rouquette-Leveil , Patrick Labbe , Markus D. Muck , Sebastien Simoens
发明人： Marc Bernard De Courville , Stephanie Rouquette-Leveil , Patrick Labbe , Markus D. Muck , Sebastien Simoens
IPC分类号： H04J11/00 , H04J1/00 , H04L27/00
CPC分类号： H04L5/0094 , H04L5/0007 , H04L5/0046
摘要： An Orthogonal Frequency Division Multiplexing, OFDM, transmitter comprises a signalling data generator (113) which generates a set of data symbols indicative of physical layer characteristics of data transmissions from the OFDM transmitter (100). A first symbol generator (115) and second symbol generator (117) generates a first and second OFDM signalling symbol by allocating the set of data symbols to subcarriers. The allocation of the physical layer data symbols to subcarriers is different for the first OFDM signalling symbol and the second OFDM signalling symbol. A data packet generator (105) and transmitter (101) generate a data packet and transmit this to an OFDM receiver (300). The OFDM receiver (300) determines the physical layer data symbols by combining the data symbols of corresponding subcarriers of the first and second OFDM signalling symbols and uses the resulting information to decode the user data of the data packet.
摘要翻译：正交频分复用OFDM，发射机包括信令数据生成器（113），其产生指示来自OFDM发射机（100）的数据传输的物理层特性的一组数据符号。第一符号发生器（115）和第二符号发生器（117）通过将该组数据符号分配给子载波来产生第一和第二OFDM信令符号。物理层数据符号分配给子载波对于第一OFDM信令符号和第二OFDM信令符号是不同的。数据包发生器（105）和发送器（101）产生数据包并将其发送到OFDM接收器（300）。 OFDM接收机（300）通过组合第一和第二OFDM信令符号的相应子载波的数据符号来确定物理层数据符号，并使用得到的信息来解码数据分组的用户数据。

4. 发明申请

US20090129258A1 TRANSMISSION OF SIGNALLING INFORMATION IN AN OFDM COMMUNICATION SYSTEM 有权
标题翻译： OFDM通信系统中信令信息的传输
公开(公告)号：US20090129258A1
公开(公告)日：2009-05-21
申请号：US11912623
申请日：2006-05-01
申请人： Marc Bernard De Courville , Stephanie Rouquette-Leveil , Patrick Labbe , Markus D. Muck , Sebastien Simoens
发明人： Marc Bernard De Courville , Stephanie Rouquette-Leveil , Patrick Labbe , Markus D. Muck , Sebastien Simoens
IPC分类号： H04J11/00
CPC分类号： H04L5/0094 , H04L5/0007 , H04L5/0046
摘要： An Orthogonal Frequency Division Multiplexing, OFDM, transmitter comprises a signalling data generator (113) which generates a set of data symbols indicative of physical layer characteristics of data transmissions from the OFDM transmitter (100). A first symbol generator (115) and second symbol generator (117) generates a first and second OFDM signalling symbol by allocating the set of data symbols to subcarriers. The allocation of the physical layer data symbols to subcarriers is different for the first OFDM signalling symbol and the second OFDM signalling symbol. A data packet generator (105) and transmitter (101) generate a data packet and transmit this to an OFDM receiver (300). The OFDM receiver (300) determines the physical layer data symbols by combining the data symbols of corresponding subcarriers of the first and second OFDM signalling symbols and uses the resulting information to decode the user data of the data packet.
摘要翻译：正交频分复用OFDM，发射机包括信令数据生成器（113），其产生指示来自OFDM发射机（100）的数据传输的物理层特性的一组数据符号。第一符号发生器（115）和第二符号发生器（117）通过将该组数据符号分配给子载波来产生第一和第二OFDM信令符号。物理层数据符号分配给子载波对于第一OFDM信令符号和第二OFDM信令符号是不同的。数据包发生器（105）和发送器（101）产生数据包并将其发送到OFDM接收器（300）。 OFDM接收机（300）通过组合第一和第二OFDM信令符号的相应子载波的数据符号来确定物理层数据符号，并使用得到的信息来解码数据分组的用户数据。

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