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公开(公告)号：US20120275530A1
公开(公告)日：2012-11-01
申请号：US13457145
申请日：2012-04-26
申请人： Shahrokh Nayeb Nazar , Robert L. Olesen , Manasa Raghavan , Muhammad U. Fazili , William E. Lawton , Yingxue K. Li
发明人： Shahrokh Nayeb Nazar , Robert L. Olesen , Manasa Raghavan , Muhammad U. Fazili , William E. Lawton , Yingxue K. Li
IPC分类号： H04L1/02
CPC分类号： H04B7/0456 , H04B7/022 , H04B7/0626 , H04L25/0206 , H04L25/03343 , H04L2025/03426
摘要： Methods and apparatus for multiple-input multiple-output (MIMO) transmissions are disclosed. A base station may precode wireless transmit/receive unit (WTRU)-specific reference signals and data that are transmitted to a WTRU using a randomly selected precoder. The precoder may be selected based on a predefined precoder selection sequence or by the base station. A different precoder may be applied to different resource blocks (RBs). In addition, a large delay cyclic delay diversity (CDD) or discrete Fourier transform (DFT) spreading may be applied on the WTRU-specific reference signals and the data. For heterogeneous deployed antennas, spatial diversity gain is achieved by dynamically scheduling resources between transmission points. A hopping scheme may be applied across the transmission points as the resources are dynamically partitioned between the transmission points. A different randomly selected precoder may be applied to each RB transmitted from a different transmission point.
摘要翻译： 公开了用于多输入多输出（MIMO）传输的方法和装置。 基站可以使用随机选择的预编码器对无线发射/接收单元（WTRU）特定的参考信号和数据进行预编码，所述参考信号和数据被发送到WTRU。 可以基于预定义的预编码器选择序列或基站来选择预编码器。 不同的预编码器可以应用于不同的资源块（RB）。 此外，可以对WTRU特定的参考信号和数据应用大的延迟循环延迟分集（CDD）或离散傅立叶变换（DFT）扩展。 对于异构部署的天线，通过在传输点之间动态调度资源来实现空间分集增益。 当资源在传输点之间动态分配时，可以跨传输点应用跳频方案。 可以将不同的随机选择的预编码器应用于从不同传输点发送的每个RB。
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公开(公告)号：US09331757B2
公开(公告)日：2016-05-03
申请号：US13457145
申请日：2012-04-26
申请人： Shahrokh Nayeb Nazar , Robert L. Olesen , Manasa Raghavan , Muhammad U. Fazili , William E. Lawton , Yingxue K. Li
发明人： Shahrokh Nayeb Nazar , Robert L. Olesen , Manasa Raghavan , Muhammad U. Fazili , William E. Lawton , Yingxue K. Li
CPC分类号： H04B7/0456 , H04B7/022 , H04B7/0626 , H04L25/0206 , H04L25/03343 , H04L2025/03426
摘要： Methods and apparatus for multiple-input multiple-output (MIMO) transmissions are disclosed. A base station may precode wireless transmit/receive unit (WTRU)-specific reference signals and data that are transmitted to a WTRU using a randomly selected precoder. The precoder may be selected based on a predefined precoder selection sequence or by the base station. A different precoder may be applied to different resource blocks (RBs). In addition, a large delay cyclic delay diversity (CDD) or discrete Fourier transform (DFT) spreading may be applied on the WTRU-specific reference signals and the data. For heterogeneous deployed antennas, spatial diversity gain is achieved by dynamically scheduling resources between transmission points. A hopping scheme may be applied across the transmission points as the resources are dynamically partitioned between the transmission points. A different randomly selected precoder may be applied to each RB transmitted from a different transmission point.
摘要翻译： 公开了用于多输入多输出（MIMO）传输的方法和装置。 基站可以使用随机选择的预编码器对无线发射/接收单元（WTRU）特定的参考信号和数据进行预编码，所述参考信号和数据被发送到WTRU。 可以基于预定义的预编码器选择序列或基站来选择预编码器。 不同的预编码器可以应用于不同的资源块（RB）。 此外，可以对WTRU特定的参考信号和数据应用大的延迟循环延迟分集（CDD）或离散傅立叶变换（DFT）扩展。 对于异构部署的天线，通过在传输点之间动态调度资源来实现空间分集增益。 当资源在传输点之间动态分配时，可以跨传输点应用跳频方案。 可以将不同的随机选择的预编码器应用于从不同传输点发送的每个RB。
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公开(公告)号：US08780749B2
公开(公告)日：2014-07-15
申请号：US13361301
申请日：2012-01-30
IPC分类号： H04W24/00
CPC分类号： H04B1/707 , H04B2201/70701
摘要： A method and apparatus for estimating a signal-to-interference ratio (SIR) are disclosed. A received signal includes signal energy on multiple basis functions. Desired signal energy in the received signal is transformed onto a first basis function with constant polarity. The desired signal energy is estimated by coherently averaging signal energy on the first basis function. A noise power is estimated by averaging signal energy on each basis function other than the first basis function and accumulating the averaged signal energy from the basis function other than the first basis function and scaling the accumulated signal energy to account for a noise estimate from the first basis function. An SIR is estimated by dividing the desired signal energy by the noise power.
摘要翻译： 公开了一种用于估计信号干扰比（SIR）的方法和装置。 接收到的信号包括多个基本功能的信号能量。 接收信号中的期望信号能量被变换为具有恒定极性的第一基函数。 通过在第一基函数上相干平均信号能量来估计期望的信号能量。 通过对除了第一基函数之外的每个基函数平均信号能量来估计噪声功率，并且累积来自除第一基函数之外的基函数的平均信号能量，并且对累积信号能量进行缩放以考虑来自第一基函数的噪声估计 基函数。 通过将期望的信号能量除以噪声功率来估计SIR。
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公开(公告)号：US20120127884A1
公开(公告)日：2012-05-24
申请号：US13361301
申请日：2012-01-30
IPC分类号： H04W24/00
CPC分类号： H04B1/707 , H04B2201/70701
摘要： A method and apparatus for estimating a signal-to-interference ratio (SIR) are disclosed. A received signal includes signal energy on multiple basis functions. Desired signal energy in the received signal is transformed onto a first basis function with constant polarity. The desired signal energy is estimated by coherently averaging signal energy on the first basis function. A noise power is estimated by averaging signal energy on each basis function other than the first basis function and accumulating the averaged signal energy from the basis function other than the first basis function and scaling the accumulated signal energy to account for a noise estimate from the first basis function. An SIR is estimated by dividing the desired signal energy by the noise power.
摘要翻译： 公开了一种用于估计信号干扰比（SIR）的方法和装置。 接收到的信号包括多个基本功能的信号能量。 接收信号中的期望信号能量被变换为具有恒定极性的第一基函数。 通过在第一基函数上相干平均信号能量来估计期望的信号能量。 通过对除了第一基函数之外的每个基函数平均信号能量来估计噪声功率，并且累积来自除第一基函数之外的基函数的平均信号能量，并且对累积的信号能量进行缩放以考虑来自第一基函数的噪声估计 基函数。 通过将期望的信号能量除以噪声功率来估计SIR。
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公开(公告)号：US08175049B2
公开(公告)日：2012-05-08
申请号：US12355424
申请日：2009-01-16
IPC分类号： H04W74/00
CPC分类号： H04L1/20
摘要： A method and apparatus for reference transport channel (TrCH) selection includes tracking characteristics on each of a TrCH. Whether or not any TrCHs meet a predetermined criteria is determined. A reference TrCH is selected based upon the determination of TrCHs that meet the predetermined criteria.
摘要翻译： 用于参考传输信道（TrCH）选择的方法和装置包括TrCH中的每一个的跟踪特性。 确定任何TrCH是否满足预定标准。 基于满足预定标准的TrCH的确定来选择参考TrCH。
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公开(公告)号：US08107393B2
公开(公告)日：2012-01-31
申请号：US12393309
申请日：2009-02-26
IPC分类号： H04L12/26
CPC分类号： H04B1/707 , H04B2201/70701
摘要： A method and apparatus for estimating a signal-to-interference ratio (SIR) are disclosed. A received signal includes signal energy on multiple basis functions. Desired signal energy in the received signal is transformed onto a first basis function with constant polarity. The desired signal energy is estimated by coherently averaging signal energy on the first basis function. A noise power is estimated by averaging signal energy on each basis function other than the first basis function and accumulating the averaged signal energy from the basis function other than the first basis function and scaling the accumulated signal energy to account for a noise estimate from the first basis function. An SIR is estimated by dividing the desired signal energy by the noise power.
摘要翻译： 公开了一种用于估计信号干扰比（SIR）的方法和装置。 接收到的信号包括多个基本功能的信号能量。 接收信号中的期望信号能量被变换为具有恒定极性的第一基函数。 通过在第一基函数上相干平均信号能量来估计期望的信号能量。 通过对除了第一基函数之外的每个基函数平均信号能量来估计噪声功率，并且累积来自除第一基函数之外的基函数的平均信号能量，并且对累积信号能量进行缩放以考虑来自第一基函数的噪声估计 基函数。 通过将期望的信号能量除以噪声功率来估计SIR。
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7.发明申请METHOD AND APPARATUS FOR PERFORMING CLOSED-LOOP TRANSMIT POWER CONTROL FOR FRACTIONAL DEDICATED PHYSICAL CHANNEL 失效用于分段专用物理通道执行闭环发射功率控制的方法和装置公开(公告)号：US20090312048A1
公开(公告)日：2009-12-17
申请号：US12392539
申请日：2009-02-25
CPC分类号： H04W52/12 , H04W52/143 , H04W52/16 , H04W52/225 , H04W52/241 , H04W52/286 , H04W52/325
摘要： A method and apparatus for performing closed loop transmit power control of a fractional dedicated physical channel (F-DPCH) are disclosed. Transmit power control (TPC) symbols on an F-DPCH and common pilot channel (CPICH) symbols are received. A short term signal power estimate is calculated using the TPC symbols, and a short term noise power estimate is calculated using the CPICH symbols. A short term signal-to-interference ratio (SIR) on the F-DPCH is calculated. A long term signal power estimate and a long term noise power estimate are calculated using the TPC symbols. A long term SIR is calculated and compared to a TPC quality target. An SIR target is adjusted based on comparison of the long term SIR to the TPC quality target. The short term SIR is compared to the SIR target and a TPC command is generated based on comparison of the short term SIR to the SIR target.
摘要翻译： 公开了一种用于执行小数专用物理信道（F-DPCH）的闭环发射功率控制的方法和装置。 接收F-DPCH和公共导频信道（CPICH）符号上的发射功率控制（TPC）符号。 使用TPC符号计算短期信号功率估计，并且使用CPICH符号来计算短期噪声功率估计。 计算F-DPCH上的短期信号干扰比（SIR）。 使用TPC符号计算长期信号功率估计和长期噪声功率估计。 计算长期SIR并将其与TPC质量目标进行比较。 基于长期SIR与TPC质量目标的比较来调整SIR目标。 将短期SIR与SIR目标进行比较，并且基于短期SIR与SIR目标的比较来生成TPC命令。
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8.发明授权Method and apparatus for performing closed-loop transmit power control for fractional dedicated physical channel 失效用于分数专用物理信道执行闭环发射功率控制的方法和装置公开(公告)号：US08095168B2
公开(公告)日：2012-01-10
申请号：US12392539
申请日：2009-02-25
IPC分类号： H04B7/185
CPC分类号： H04W52/12 , H04W52/143 , H04W52/16 , H04W52/225 , H04W52/241 , H04W52/286 , H04W52/325
摘要： A method and apparatus for performing closed loop transmit power control of a fractional dedicated physical channel (F-DPCH) are disclosed. Transmit power control (TPC) symbols on an F-DPCH and common pilot channel (CPICH) symbols are received. A short term signal power estimate is calculated using the TPC symbols, and a short term noise power estimate is calculated using the CPICH symbols. A short term signal-to-interference ratio (SIR) on the F-DPCH is calculated. A long term signal power estimate and a long term noise power estimate are calculated using the TPC symbols. A long term SIR is calculated and compared to a TPC quality target. An SIR target is adjusted based on comparison of the long term SIR to the TPC quality target. The short term SIR is compared to the SIR target and a TPC command is generated based on comparison of the short term SIR to the SIR target.
摘要翻译： 公开了一种用于执行小数专用物理信道（F-DPCH）的闭环发射功率控制的方法和装置。 接收F-DPCH和公共导频信道（CPICH）符号上的发射功率控制（TPC）符号。 使用TPC符号计算短期信号功率估计，并且使用CPICH符号来计算短期噪声功率估计。 计算F-DPCH上的短期信号干扰比（SIR）。 使用TPC符号计算长期信号功率估计和长期噪声功率估计。 计算长期SIR并将其与TPC质量目标进行比较。 基于长期SIR与TPC质量目标的比较来调整SIR目标。 将短期SIR与SIR目标进行比较，并且基于短期SIR与SIR目标的比较来生成TPC命令。
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公开(公告)号：US20090213748A1
公开(公告)日：2009-08-27
申请号：US12393309
申请日：2009-02-26
IPC分类号： H04L12/26
CPC分类号： H04B1/707 , H04B2201/70701
摘要： A method and apparatus for estimating a signal-to-interference ratio (SIR) are disclosed. A received signal includes signal energy on multiple basis functions. Desired signal energy in the received signal is transformed onto a first basis function with constant polarity. The desired signal energy is estimated by coherently averaging signal energy on the first basis function. A noise power is estimated by averaging signal energy on each basis function other than the first basis function and accumulating the averaged signal energy from the basis function other than the first basis function and scaling the accumulated signal energy to account for a noise estimate from the first basis function. An SIR is estimated by dividing the desired signal energy by the noise power.
摘要翻译： 公开了一种用于估计信号干扰比（SIR）的方法和装置。 接收到的信号包括多个基本功能的信号能量。 接收信号中的期望信号能量被变换为具有恒定极性的第一基函数。 通过在第一基函数上相干平均信号能量来估计期望的信号能量。 通过对除了第一基函数之外的每个基函数平均信号能量来估计噪声功率，并且累积来自除第一基函数之外的基函数的平均信号能量，并且对累积的信号能量进行缩放以考虑来自第一基函数的噪声估计 基函数。 通过将期望的信号能量除以噪声功率来估计SIR。
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公开(公告)号：US20090185530A1
公开(公告)日：2009-07-23
申请号：US12355424
申请日：2009-01-16
IPC分类号： H04W74/00
CPC分类号： H04L1/20
摘要： A method and apparatus for reference transport channel (TrCH) selection includes tracking characteristics on each of a TrCH. Whether or not any TrCHs meet a predetermined criteria is determined. A reference TrCH is selected based upon the determination of TrCHs that meet the predetermined criteria.
摘要翻译： 用于参考传输信道（TrCH）选择的方法和装置包括TrCH中的每一个的跟踪特性。 确定任何TrCH是否满足预定标准。 基于满足预定标准的TrCH的确定来选择参考TrCH。
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