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公开(公告)号：US10197662B2
公开(公告)日：2019-02-05
申请号：US14921106
申请日：2015-10-23
发明人： Mohamed F. Mansour
摘要： A wireless device includes a transceiver and a positioning system. The positioning system a channel model adaptation module having channel model adaptation logic configured to update, for each of a plurality of access points applied to determine a position of a wireless device, a channel model. The channel model adaptation logic having a reference power update module with reference power update logic is configured to update a reference power value corresponding to each access point. A channel model update module with logic is configured to update a path loss exponent value applied to each access point.
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公开(公告)号：US10469099B2
公开(公告)日：2019-11-05
申请号：US16152754
申请日：2018-10-05
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
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公开(公告)号：US10135460B2
公开(公告)日：2018-11-20
申请号：US14503547
申请日：2014-10-01
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
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公开(公告)号：US20200021307A1
公开(公告)日：2020-01-16
申请号：US16583944
申请日：2019-09-26
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
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公开(公告)号：US10911062B2
公开(公告)日：2021-02-02
申请号：US16583944
申请日：2019-09-26
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
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公开(公告)号：US20190044530A1
公开(公告)日：2019-02-07
申请号：US16152754
申请日：2018-10-05
CPC分类号： H03M5/18 , H03M13/13 , H03M13/152 , H03M13/251 , H03M13/255 , H04L1/0041 , H04L1/0058 , H04L25/4917 , H04L27/36 , H04L27/364
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
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公开(公告)号：US20160047881A1
公开(公告)日：2016-02-18
申请号：US14921106
申请日：2015-10-23
发明人： Mohamed F. Mansour
IPC分类号： G01S5/02
CPC分类号： G01S5/0252 , H04W64/00
摘要： A wireless device includes a transceiver and a positioning system. The positioning system a channel model adaptation module having channel model adaptation logic configured to update, for each of a plurality of access points applied to determine a position of a wireless device, a channel model. The channel model adaptation logic having a reference power update module with reference power update logic is configured to update a reference power value corresponding to each access point. A channel model update module with logic is configured to update a path loss exponent value applied to each access point.
摘要翻译： 无线设备包括收发器和定位系统。 所述定位系统具有信道模型适配模块，信道模型适配逻辑被配置为针对应用于确定无线设备的位置的多个接入点中的每一个更新信道模型。 具有参考功率更新逻辑的参考功率更新模块的信道模型适配逻辑被配置为更新与每个接入点相对应的参考功率值。 具有逻辑的信道模型更新模块被配置为更新应用于每个接入点的路径损耗指数值。
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公开(公告)号：US20150092886A1
公开(公告)日：2015-04-02
申请号：US14503513
申请日：2014-10-01
IPC分类号： H04L27/36
CPC分类号： H03M5/18 , H03M13/13 , H03M13/152 , H03M13/251 , H03M13/255 , H03M13/2792 , H04L1/0041 , H04L1/0058 , H04L25/4917 , H04L27/36 , H04L27/364
摘要： A method includes simulating transmission of multiple symbols representing multiple bits over at least one communication channel, where the multiple symbols are associated with a polar code. The method also includes identifying error rates of equivalent bit channels associated with the simulated transmission of the symbols. The method further includes selecting a specified number of the bits as frozen bits in the polar code using the identified error rates. Simulating the transmission of the symbols could include computing log likelihood ratio (LLR) values associated with the equivalent bit channels and simulating polar decoding of received symbols using the LLR values. Identifying the error rates could include calculating means and variances of the LLR values associated with the equivalent bit channels and identifying probability density functions of the LLR values using the means and variances. The selected bits could represent the specified number of bits identified as having worst error rates.
摘要翻译： 一种方法包括模拟通过至少一个通信信道表示多个比特的多个符号的传输，其中多个符号与极性码相关联。 该方法还包括识别与符号的模拟传输相关联的等效比特信道的错误率。 该方法还包括使用所识别的错误率在极性码中选择指定数目的比特作为冻结比特。 模拟符号的传输可以包括与等效比特信道相关联的计算对数似然比（LLR）值，并且使用LLR值来模拟接收符号的极性解码。 识别错误率可以包括与等效位信道相关联的LLR值的计算方法和方差，并使用均值和方差来识别LLR值的概率密度函数。 所选择的比特可以表示指定的具有最差错误率的比特数。
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9.发明申请APPARATUS AND METHOD FOR MULTILEVEL CODING (MLC) WITH BINARY ALPHABET POLAR CODES 审中-公开具有二进制碱性极性代码的多级编码（MLC）的装置和方法公开(公告)号：US20150091742A1
公开(公告)日：2015-04-02
申请号：US14503547
申请日：2014-10-01
CPC分类号： H03M5/18 , H03M13/13 , H03M13/152 , H03M13/251 , H03M13/255 , H04L1/0041 , H04L1/0058 , H04L25/4917 , H04L27/36 , H04L27/364
摘要： A method includes receiving multiple bits to be transmitted. The method also includes applying a first binary alphabet polar code to a first subset of the multiple bits to generate first encoded bits. The first encoded bits are associated with a first bit level of a multilevel coding scheme. The method further includes generating one or more symbols using the first encoded bits and bits associated with a second bit level of the multilevel coding scheme. The first binary alphabet polar code is associated with a first coding rate. In addition, the method could include applying a second binary alphabet polar code to a second subset of the multiple bits to generate second encoded bits. The second encoded bits are associated with the second bit level. The second binary alphabet polar code is associated with a second coding rate such that the bit levels have substantially equal error rates.
摘要翻译： 一种方法包括接收要发送的多个比特。 该方法还包括将第一二进制字母极性码应用于多个比特的第一子集以产生第一编码比特。 第一编码比特与多级编码方案的第一比特级相关联。 该方法还包括使用与多级编码方案的第二比特级相关联的第一编码比特和比特生成一个或多个符号。 第一个二进制字母极性码与第一编码率相关联。 此外，该方法可以包括将第二二进制字母极性码应用于多个比特的第二子集以产生第二编码比特。 第二编码比特与第二比特级相关联。 第二二进制字母极性码与第二编码率相关联，使得位电平具有基本相等的误码率。
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公开(公告)号：US09467164B2
公开(公告)日：2016-10-11
申请号：US14503513
申请日：2014-10-01
CPC分类号： H03M5/18 , H03M13/13 , H03M13/152 , H03M13/251 , H03M13/255 , H03M13/2792 , H04L1/0041 , H04L1/0058 , H04L25/4917 , H04L27/36 , H04L27/364
摘要： A method includes simulating transmission of multiple symbols representing multiple bits over at least one communication channel, where the multiple symbols are associated with a polar code. The method also includes identifying error rates of equivalent bit channels associated with the simulated transmission of the symbols. The method further includes selecting a specified number of the bits as frozen bits in the polar code using the identified error rates. Simulating the transmission of the symbols could include computing log likelihood ratio (LLR) values associated with the equivalent bit channels and simulating polar decoding of received symbols using the LLR values. Identifying the error rates could include calculating means and variances of the LLR values associated with the equivalent bit channels and identifying probability density functions of the LLR values using the means and variances. The selected bits could represent the specified number of bits identified as having worst error rates.
摘要翻译： 一种方法包括模拟通过至少一个通信信道表示多个比特的多个符号的传输，其中多个符号与极性码相关联。 该方法还包括识别与符号的模拟传输相关联的等效比特信道的错误率。 该方法还包括使用所识别的错误率在极性码中选择指定数目的比特作为冻结比特。 模拟符号的传输可以包括与等效比特信道相关联的计算对数似然比（LLR）值，并且使用LLR值来模拟接收符号的极性解码。 识别错误率可以包括与等效位信道相关联的LLR值的计算方法和方差，并使用均值和方差来识别LLR值的概率密度函数。 所选择的比特可以表示指定的具有最差错误率的比特数。
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