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公开(公告)号：US09553740B2
公开(公告)日：2017-01-24
申请号：US14482280
申请日：2014-09-10
Applicant: AT&T Intellectual Property I, LP
Inventor： Arunabha Ghosh
CPC classification number: H04L25/03057 , H04B7/2628 , H04L25/0202 , H04L25/03012 , H04L25/03159 , H04L27/265 , H04W72/04
Abstract: A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer having a channel estimation calculator for calculating a time domain channel estimation from a baseband signal, a Fast Fourier Transform processor for translating the time domain channel estimation to a frequency domain channel estimation, a tap weight calculator for calculating a frequency domain tap weight according to the frequency domain channel estimation, an inverse Fast Fourier Transform processor for translating the frequency domain tap weight calculation to a time domain tap weight calculation, and a filter for equalizing the baseband signal according to the time domain tap weight calculation.
Abstract translation: 公开了一种用于均衡信号的方法和装置的系统和装置。 结合本公开的教导的装置可以包括例如具有用于从基带信号计算时域信道估计的信道估计计算器的均衡器，用于将时域信道估计转换为频域的快速傅里叶变换处理器 信道估计，用于根据频域信道估计计算频域抽头加权的抽头加权计算器，用于将频域抽头权重计算转换为时域抽头权重计算的反傅里叶变换处理器，以及用于使 根据时域抽头权重计算基带信号。
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公开(公告)号：US20150055631A1
公开(公告)日：2015-02-26
申请号：US14482280
申请日：2014-09-10
Applicant: AT&T Intellectual Property I, LP
Inventor： Arunabha Ghosh
CPC classification number: H04L25/03057 , H04B7/2628 , H04L25/0202 , H04L25/03012 , H04L25/03159 , H04L27/265 , H04W72/04
Abstract: A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer having a channel estimation calculator for calculating a time domain channel estimation from a baseband signal, a Fast Fourier Transform processor for translating the time domain channel estimation to a frequency domain channel estimation, a tap weight calculator for calculating a frequency domain tap weight according to the frequency domain channel estimation, an inverse Fast Fourier Transform processor for translating the frequency domain tap weight calculation to a time domain tap weight calculation, and a filter for equalizing the baseband signal according to the time domain tap weight calculation.
Abstract translation: 公开了一种用于均衡信号的方法和装置的系统和装置。 结合本公开的教导的装置可以包括例如具有用于从基带信号计算时域信道估计的信道估计计算器的均衡器，用于将时域信道估计转换为频域的快速傅里叶变换处理器 信道估计，用于根据频域信道估计计算频域抽头加权的抽头加权计算器，用于将频域抽头权重计算转换为时域抽头权重计算的反傅里叶变换处理器，以及用于使 根据时域抽头权重计算基带信号。
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3.发明授权Method and apparatus for mitigating interference in a wireless communication system 有权用于减轻无线通信系统中的干扰的方法和装置公开(公告)号：US08983393B2
公开(公告)日：2015-03-17
申请号：US13713856
申请日：2012-12-13
Applicant: AT&T Intellectual Property I, LP
Inventor： Arvind Raghavan , Arunabha Ghosh
CPC classification number: H04B17/309 , H04W24/02 , H04W24/08 , H04W72/0446 , H04W72/085 , Y02D70/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/1244 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/164 , Y02D70/166 , Y02D70/168 , Y02D70/23
Abstract: A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, identifying a wireless device that is unable to distinguish between a non-reduced power subframe and a reduced-power, subframe of a communications protocol including a frame having a pre-defined arrangement of non-reduced power subframes and reduced-power subframes. First and second instructions are sent to the wireless device to respectively perform a first channel quality assessment of a non-reduced power subframe and a second channel quality assessment of a reduced-power subframe. The first and second instructions respectively identify the non-reduced power subframes and the reduced-power subframes within which the first and second channel quality assessments are to be performed. After receiving the first and second channel quality assessments, it is determined whether the channel quality assessment performed by the wireless device includes instantaneous measurements. Other embodiments are disclosed.
Abstract translation: 结合本公开的教导的过程，设备和计算机可读存储介质可以包括例如识别无法区分通信协议的非减少功率子帧和减少功率子帧的无线设备 包括具有非减小功率子帧和减少功率子帧的预定义布置的帧。 第一和第二指令被发送到无线设备以分别执行非减少功率子帧的第一信道质量评估和减少功率子帧的第二信道质量评估。 第一和第二指令分别标识要执行第一和第二信道质量评估的非减少功率子帧和降低功率子帧。 在接收到第一和第二信道质量评估之后，确定无线设备执行的信道质量评估是否包括瞬时测量。 公开了其他实施例。
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公开(公告)号：US20180109967A1
公开(公告)日：2018-04-19
申请号：US15293995
申请日：2016-10-14
Applicant: AT&T Intellectual Property I, LP.
Inventor： SAEED GHASSEMZADEH , Arunabha Ghosh
CPC classification number: H04W24/06 , H04B7/04 , H04B7/0837 , H04B17/101 , H04B17/102 , H04B17/103 , H04B17/23
Abstract: An example device includes antennas to receive wireless signals from a wireless transmitter and to output radio frequency signals based upon the wireless signals that are received, low noise amplifiers coupled to the antennas to amplify the radio frequency signals, and a receiver stage to generate, based upon the radio frequency signals, digital representations of the wireless signals that are received via the antennas and to determine a measure a wireless channel parameter from the digital representations of the wireless signals.
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Patent Agency Ranking
公开(公告)号：US09615278B2
公开(公告)日：2017-04-04
申请号：US14617191
申请日：2015-02-09
Applicant: AT&T Intellectual Property I, LP
Inventor： Arvind Raghavan , Arunabha Ghosh
CPC classification number: H04B17/309 , H04W24/02 , H04W24/08 , H04W72/0446 , H04W72/085 , Y02D70/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/1244 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/164 , Y02D70/166 , Y02D70/168 , Y02D70/23
Abstract: A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, providing a first instruction to mobile user equipment to cause the mobile user equipment to perform a first channel quality assessment of a non-reduced power subframe of a wireless signal comprising the non-reduced power subframe, an almost blank subframe and a reduced power subframe. A second instruction is provided to the mobile user equipment to cause the mobile user equipment to perform a second channel quality assessment of the almost blank subframe. A determination is made as to whether the mobile user equipment is performing instantaneous channel quality measurements based on a result of the first channel quality assessment and a result of the second channel quality assessment. Other embodiments are disclosed.
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6.发明申请METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM 有权用于减少无线通信系统干扰的方法和装置公开(公告)号：US20140170985A1
公开(公告)日：2014-06-19
申请号：US13713856
申请日：2012-12-13
Applicant: AT&T INTELLECTUAL PROPERTY I, LP
Inventor： Arvind Raghavan , Arunabha Ghosh
IPC: H04W24/02
CPC classification number: H04B17/309 , H04W24/02 , H04W24/08 , H04W72/0446 , H04W72/085 , Y02D70/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/1244 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/164 , Y02D70/166 , Y02D70/168 , Y02D70/23
Abstract: A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, identifying a wireless device that is unable to distinguish between a non-reduced power subframe and a reduced-power, subframe of a communications protocol including a frame having a pre-defined arrangement of non-reduced power subframes and reduced-power subframes. First and second instructions are sent to the wireless device to respectively perform a first channel quality assessment of a non-reduced power subframe and a second channel quality assessment of a reduced-power subframe. The first and second instructions respectively identify the non-reduced power subframes and the reduced-power subframes within which the first and second channel quality assessments are to be performed. After receiving the first and second channel quality assessments, it is determined whether the channel quality assessment performed by the wireless device includes instantaneous measurements. Other embodiments are disclosed.
Abstract translation: 结合本公开的教导的过程，设备和计算机可读存储介质可以包括例如识别无法区分通信协议的非减少功率子帧和减少功率子帧的无线设备 包括具有非减小功率子帧和减少功率子帧的预定义布置的帧。 第一和第二指令被发送到无线设备以分别执行非减少功率子帧的第一信道质量评估和减少功率子帧的第二信道质量评估。 第一和第二指令分别标识要执行第一和第二信道质量评估的非减少功率子帧和降低功率子帧。 在接收到第一和第二信道质量评估之后，确定无线设备执行的信道质量评估是否包括瞬时测量。 公开了其他实施例。
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公开(公告)号：US20130070733A1
公开(公告)日：2013-03-21
申请号：US13677464
申请日：2012-11-15
Applicant: AT&T Intellectual Property I, LP
Inventor： Arunabha Ghosh
IPC: H04W72/04
CPC classification number: H04L25/03057 , H04B7/2628 , H04L25/0202 , H04L25/03012 , H04L25/03159 , H04L27/265 , H04W72/04
Abstract: A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer (100) having a channel estimation calculator (102) for calculating a time domain channel estimation from a baseband signal, an FFT processor (104) for translating the time domain channel estimation to a frequency domain channel estimation, a tap weight calculator (106) for calculating a frequency domain tap weight according to the frequency domain channel estimation, an inverse FFT processor (108) for translating the frequency domain tap weight calculation to a time domain tap weight calculation, and a filter (110) for equalizing the baseband signal according to the time domain tap weight calculation.
Abstract translation: 公开了一种用于均衡信号的方法和装置的系统和装置。 结合本公开的教导的装置可以包括例如具有用于从基带信号计算时域信道估计的信道估计计算器（102）的均衡器（100），用于将时间 对于频域信道估计的域信道估计，用于根据频域信道估计计算频域抽头加权的抽头权重计算器（106），用于将频域抽头权重计算转换为时间的逆FFT处理器（108） 域抽头权重计算，以及用于根据时域抽头权重计算对基带信号进行均衡的滤波器（110）。
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8.发明申请METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM 有权用于减少无线通信系统干扰的方法和装置公开(公告)号：US20150156656A1
公开(公告)日：2015-06-04
申请号：US14617191
申请日：2015-02-09
Applicant: AT&T Intellectual Property I, LP
Inventor： Arvind Raghavan , Arunabha Ghosh
IPC: H04W24/08
CPC classification number: H04B17/309 , H04W24/02 , H04W24/08 , H04W72/0446 , H04W72/085 , Y02D70/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/1244 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/162 , Y02D70/164 , Y02D70/166 , Y02D70/168 , Y02D70/23
Abstract: A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, providing a first instruction to mobile user equipment to cause the mobile user equipment to perform a first channel quality assessment of a non-reduced power subframe of a wireless signal comprising the non-reduced power subframe, an almost blank subframe and a reduced power subframe. A second instruction is provided to the mobile user equipment to cause the mobile user equipment to perform a second channel quality assessment of the almost blank subframe. A determination is made as to whether the mobile user equipment is performing instantaneous channel quality measurements based on a result of the first channel quality assessment and a result of the second channel quality assessment. Other embodiments are disclosed.
Abstract translation: 结合本公开的教导的过程，设备和计算机可读存储介质可以包括例如向移动用户设备提供第一指令以使移动用户设备执行非减少功率的第一信道质量评估 包括非减少功率子帧的无线信号子帧，几乎空白子帧和减少功率子帧。 向移动用户设备提供第二指令以使移动用户设备对几乎空白的子帧执行第二信道质量评估。 确定移动用户设备是否基于第一信道质量评估的结果和第二信道质量评估的结果来执行即时信道质量测量。 公开了其他实施例。
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公开(公告)号：US08861575B2
公开(公告)日：2014-10-14
申请号：US13677464
申请日：2012-11-15
Applicant: AT&T Intellectual Property I, LP
Inventor： Arunabha Ghosh
CPC classification number: H04L25/03057 , H04B7/2628 , H04L25/0202 , H04L25/03012 , H04L25/03159 , H04L27/265 , H04W72/04
Abstract: A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer (100) having a channel estimation calculator (102) for calculating a time domain channel estimation from a baseband signal, an FFT processor (104) for translating the time domain channel estimation to a frequency domain channel estimation, a tap weight calculator (106) for calculating a frequency domain tap weight according to the frequency domain channel estimation, an inverse FFT processor (108) for translating the frequency domain tap weight calculation to a time domain tap weight calculation, and a filter (110) for equalizing the baseband signal according to the time domain tap weight calculation.
Abstract translation: 公开了一种用于均衡信号的方法和装置的系统和装置。 结合本公开的教导的装置可以包括例如具有用于从基带信号计算时域信道估计的信道估计计算器（102）的均衡器（100），用于将时间 对于频域信道估计的域信道估计，用于根据频域信道估计计算频域抽头加权的抽头权重计算器（106），用于将频域抽头权重计算转换为时间的逆FFT处理器（108） 域抽头权重计算，以及用于根据时域抽头权重计算对基带信号进行均衡的滤波器（110）。
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