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1.发明授权公开(公告)号：US08358632B2
公开(公告)日：2013-01-22
申请号：US12648017
申请日：2009-12-28
IPC分类号： H04J3/00
CPC分类号： H04W74/085
摘要： A method for accessing a reverse channel for communication from a remote unit to a base station is disclosed. The method includes waiting a random period of time in response to determining that the reverse channel is available at a first time. The method also includes monitoring a forward channel after expiration of the random period of time to determine whether the reverse channel is available at a second time. The method further includes transmitting a first portion of data on the reverse channel in response to determining that the reverse channel is available at the second time.
摘要翻译： 公开了一种用于访问用于从远程单元到基站的通信的反向信道的方法。 所述方法包括响应于确定所述反向信道在第一时间可用而等待随机时间段。 该方法还包括在随机时间段到期之后监视前向信道，以确定反向信道是否在第二时间可用。 该方法还包括响应于确定反向信道在第二时间可用而在反向信道上发送数据的第一部分。
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2.发明授权公开(公告)号：US07664078B2
公开(公告)日：2010-02-16
申请号：US11745564
申请日：2007-05-08
IPC分类号： H04J3/00
CPC分类号： H04W74/085
摘要： A method for accessing a reverse channel for communication from a remote unit to a base station is disclosed. The method includes waiting a random period of time in response to determining that the reverse channel is available at a first time. The method also includes monitoring a forward channel after expiration of the random period of time to determine whether the reverse channel is available at a second time. The method further includes transmitting a first portion of data on the reverse channel in response to determining that the reverse channel is available at the second time.
摘要翻译： 公开了一种用于访问用于从远程单元到基站的通信的反向信道的方法。 所述方法包括响应于确定所述反向信道在第一时间可用而等待随机时间段。 该方法还包括在随机时间段到期之后监视前向信道，以确定反向信道是否在第二时间可用。 该方法还包括响应于确定反向信道在第二时间可用而在反向信道上发送数据的第一部分。
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3.发明申请公开(公告)号：US20100103908A1
公开(公告)日：2010-04-29
申请号：US12648017
申请日：2009-12-28
CPC分类号： H04W74/085
摘要： A method for accessing a reverse channel for communication from a remote unit to a base station is disclosed. The method includes waiting a random period of time in response to determining that the reverse channel is available at a first time. The method also includes monitoring a forward channel after expiration of the random period of time to determine whether the reverse channel is available at a second time. The method further includes transmitting a first portion of data on the reverse channel in response to determining that the reverse channel is available at the second time.
摘要翻译： 公开了一种用于访问用于从远程单元到基站的通信的反向信道的方法。 所述方法包括响应于确定所述反向信道在第一时间可用而等待随机时间段。 该方法还包括在随机时间段到期之后监视前向信道，以确定反向信道是否在第二时间可用。 该方法还包括响应于确定反向信道在第二时间可用而在反向信道上发送数据的第一部分。
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4.发明授权公开(公告)号：US07251250B2
公开(公告)日：2007-07-31
申请号：US10922109
申请日：2004-08-19
IPC分类号： H04Q7/20
CPC分类号： H04W74/085
摘要： A method for accessing a reverse channel for communication from a remote unit to a base station is disclosed. The method includes waiting a random period of time in response to determining that the reverse channel is available at a first time. The method also includes monitoring a forward channel after expiration of the random period of time to determine whether the reverse channel is available at a second time. The method further includes transmitting a first portion of data on the reverse channel in response to determining that the reverse channel is available at the second time.
摘要翻译： 公开了一种用于访问用于从远程单元到基站的通信的反向信道的方法。 所述方法包括响应于确定所述反向信道在第一时间可用而等待随机时间段。 该方法还包括在随机时间段到期之后监视前向信道，以确定反向信道是否在第二时间可用。 该方法还包括响应于确定反向信道在第二时间可用而在反向信道上发送数据的第一部分。
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5.发明授权System and method for data scrambling to reduce the crest factor in an OFDM waveform 有权用于数据加扰的系统和方法，以减少OFDM波形中的波峰因数公开(公告)号：US08014272B2
公开(公告)日：2011-09-06
申请号：US12419392
申请日：2009-04-07
CPC分类号： H04B7/0413 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2615
摘要： A method is provided for minimizing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined with a scrambling vector before the data is modulated. The randomization of data patterns, in turn, leads to a more random combination of OFDM tone amplitude being transmitted. The message is recovered at the receiver by removing the scrambling vector. A table of scrambling vectors is maintained at the transmitters and receivers. The table pointer to select the scrambling vector is selected in response to the position of the message in the communication structure. An OFDM communication system using the above-described method is also provided.
摘要翻译： 提供了一种用于使正交频分复用（OFDM）音调的组合中的峰值功率电平最小化的方法。 当要传送的信息是由“1”或“0”的长模式组成的数字数据时，该方法特别有效。 在调制数据之前，将消息的数字数据与加扰矢量组合。 数据模式的随机化反过来导致正在传输的OFDM音调幅度的更随机组合。 通过去除加扰向量在接收机处恢复消息。 在发射机和接收机处保持加扰矢量表。 响应于通信结构中的消息的位置来选择用于选择加扰向量的表指针。 还提供了使用上述方法的OFDM通信系统。
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6.发明授权System and method for data scrambling to reduce the crest factor in an OFDM waveform 有权用于数据加扰的系统和方法，以减少OFDM波形中的波峰因数公开(公告)号：US06785258B1
公开(公告)日：2004-08-31
申请号：US09590004
申请日：2000-06-08
IPC分类号： H04B7208
CPC分类号： H04B7/0413 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2615
摘要： A method is provided for minimizing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined with a scrambling vector before the data is modulated. The randomization of data patterns, in turn, leads to a more random combination of OFDM tone amplitude being transmitted. The message is recovered at the receiver by removing the scrambling vector. A table of scrambling vectors is maintained at the transmitters and receivers. The table pointer to select the scrambling vector is selected in response to the position of the message in the communication structure. An OFDM communication system using the above-described method is also provided.
摘要翻译： 提供了一种用于使正交频分复用（OFDM）音调的组合中的峰值功率电平最小化的方法。 当要传送的信息是由“1”或“0”的长模式组成的数字数据时，该方法特别有效。 在调制数据之前，将消息的数字数据与加扰矢量组合。 数据模式的随机化反过来导致正在传输的OFDM音调幅度的更随机组合。 通过去除加扰向量在接收机处恢复消息。 在发射机和接收机处保持加扰矢量表。 响应于通信结构中的消息的位置来选择用于选择加扰向量的表指针。 还提供了使用上述方法的OFDM通信系统。
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7.发明授权System and method for data scrambling to reduce the crest factor in an OFDM waveform 有权用于数据加扰的系统和方法，以减少OFDM波形中的波峰因数公开(公告)号：US08498196B2
公开(公告)日：2013-07-30
申请号：US13224695
申请日：2011-09-02
CPC分类号： H04B7/0413 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2615
摘要： A method is provided for reducing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined with a scrambling vector before the data is modulated. The randomization of data patterns, in turn, leads to a more random combination of OFDM tone amplitude being transmitted. The message is recovered at the receiver by removing the scrambling vector. A table of scrambling vectors is maintained at the transmitters and receivers. The table pointer to select the scrambling vector is selected in response to the position of the message in the communication structure. An OFDM communication system using the above-described method is also provided.
摘要翻译： 提供了一种用于降低正交频分复用（OFDM）音调的组合中的峰值功率电平的方法。 当要传送的信息是由“1”或“0”的长模式组成的数字数据时，该方法特别有效。 在调制数据之前，将消息的数字数据与加扰矢量组合。 数据模式的随机化反过来导致正在传输的OFDM音调幅度的更随机组合。 通过去除加扰向量在接收机处恢复消息。 在发射机和接收机处保持加扰矢量表。 响应于通信结构中的消息的位置来选择用于选择加扰向量的表指针。 还提供了使用上述方法的OFDM通信系统。
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8.发明申请SYSTEM AND METHOD FOR DATA SCRAMBLING TO REDUCE THE CREST FACTOR IN AN OFDM WAVEFORM 有权用于数据扫描以减少OFDM波形中的检测因子的系统和方法公开(公告)号：US20110317783A1
公开(公告)日：2011-12-29
申请号：US13224695
申请日：2011-09-02
IPC分类号： H04L27/00
CPC分类号： H04B7/0413 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2615
摘要： A method is provided for reducing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined with a scrambling vector before the data is modulated. The randomization of data patterns, in turn, leads to a more random combination of OFDM tone amplitude being transmitted. The message is recovered at the receiver by removing the scrambling vector. A table of scrambling vectors is maintained at the transmitters and receivers. The table pointer to select the scrambling vector is selected in response to the position of the message in the communication structure. An OFDM communication system using the above-described method is also provided.
摘要翻译： 提供了一种用于降低正交频分复用（OFDM）音调的组合中的峰值功率电平的方法。 当要传送的信息是由“1”或“0”的长模式组成的数字数据时，该方法特别有效。 在调制数据之前，将消息的数字数据与加扰矢量组合。 数据模式的随机化反过来导致正在传输的OFDM音调幅度的更随机组合。 通过去除加扰向量在接收机处恢复消息。 在发射机和接收机处保持加扰矢量表。 响应于通信结构中的消息的位置来选择用于选择加扰向量的表指针。 还提供了使用上述方法的OFDM通信系统。
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9.发明申请SYSTEM AND METHOD FOR DATA SCRAMBLING TO REDUCE THE CREST FACTOR IN AN OFDM WAVEFORM 有权用于数据扫描以减少OFDM波形中的检测因子的系统和方法公开(公告)号：US20090202012A1
公开(公告)日：2009-08-13
申请号：US12419392
申请日：2009-04-07
IPC分类号： H04L27/28
CPC分类号： H04B7/0413 , H04L25/03866 , H04L27/2602 , H04L27/2614 , H04L27/2615
摘要： A method is provided for minimizing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined with a scrambling vector before the data is modulated. The randomization of data patterns, in turn, leads to a more random combination of OFDM tone amplitude being transmitted. The message is recovered at the receiver by removing the scrambling vector. A table of scrambling vectors is maintained at the transmitters and receivers. The table pointer to select the scrambling vector is selected in response to the position of the message in the communication structure. An OFDM communication system using the above-described method is also provided.
摘要翻译： 提供了一种用于使正交频分复用（OFDM）音调的组合中的峰值功率电平最小化的方法。 当要传送的信息是由“1”或“0”的长模式组成的数字数据时，该方法特别有效。 在调制数据之前，将消息的数字数据与加扰矢量组合。 数据模式的随机化反过来导致正在传输的OFDM音调幅度的更随机组合。 通过去除加扰向量在接收机处恢复消息。 在发射机和接收机处保持加扰矢量表。 响应于通信结构中的消息的位置来选择用于选择加扰向量的表指针。 还提供了使用上述方法的OFDM通信系统。
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10.发明申请公开(公告)号：US20070206541A1
公开(公告)日：2007-09-06
申请号：US11745564
申请日：2007-05-08
申请人： Kevin Boyd , Salvador Garcia , Eamonn Gormley , Anh Nguyen
发明人： Kevin Boyd , Salvador Garcia , Eamonn Gormley , Anh Nguyen
IPC分类号： H04B7/216
CPC分类号： H04W74/085
摘要： A method for accessing a reverse channel for communication from a remote unit to a base station is disclosed. The method includes waiting a random period of time in response to determining that the reverse channel is available at a first time. The method also includes monitoring a forward channel after expiration of the random period of time to determine whether the reverse channel is available at a second time. The method further includes transmitting a first portion of data on the reverse channel in response to determining that the reverse channel is available at the second time.
摘要翻译： 公开了一种用于访问用于从远程单元到基站的通信的反向信道的方法。 所述方法包括响应于确定所述反向信道在第一时间可用而等待随机时间段。 该方法还包括在随机时间段到期之后监视前向信道，以确定反向信道是否在第二时间可用。 该方法还包括响应于确定反向信道在第二时间可用而在反向信道上发送数据的第一部分。
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