公开(公告)号：US09526099B2

公开(公告)日：2016-12-20

申请号：US14167806

申请日：2014-01-29

Applicant: QUALCOMM Incorporated

Inventor： Shashank Vishwanatha Maiya ,  Nate Chizgi ,  Roee Cohen ,  Harish Venkatachari ,  Sharif Ahsanul Matin

IPC: H04W72/04 ,  H04L1/00

CPC classification number: H04W72/0446 ,  H04L1/0038

Abstract: Apparatus and methods include receiving one or more first signals at a user equipment (UE) during a first portion of a transmission time interval (TTI), wherein the one or more first signals are transmitted by a network to the UE using a transport format; determining the transport format upon receiving the one or more first signals and prior to a second portion of the TTI subsequent to the first portion of the TTI; and receiving one or more second signals at the UE during a second portion of the TTI.

Abstract translation: 装置和方法包括在传输时间间隔（TTI）的第一部分期间在用户设备（UE）处接收一个或多个第一信号，其中所述一个或多个第一信号由网络使用传输格式发送到UE; 在接收到所述一个或多个第一信号之后并且在所述TTI的所述第一部分之后的TTI的第二部分之前确定所述传输格式; 以及在所述TTI的第二部分期间在所述UE处接收一个或多个第二信号。

公开(公告)号：US20150009965A1

公开(公告)日：2015-01-08

申请号：US14167806

申请日：2014-01-29

Applicant: QUALCOMM Incorporated

Inventor： Shashank Vishwanatha MAIYA ,  Nate Chizgi ,  Roee Cohen ,  Harish Venkatachari ,  Sharif Ahsanul Matin

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04L1/0038

Abstract: Apparatus and methods include receiving one or more first signals at a user equipment (UE) during a first portion of a transmission time interval (TTI), wherein the one or more first signals are transmitted by a network to the UE using a transport format; determining the transport format upon receiving the one or more first signals and prior to a second portion of the TTI subsequent to the first portion of the TTI; and receiving one or more second signals at the UE during a second portion of the TTI.

Abstract translation: 装置和方法包括在传输时间间隔（TTI）的第一部分期间在用户设备（UE）处接收一个或多个第一信号，其中所述一个或多个第一信号由网络使用传输格式发送到UE; 在接收到所述一个或多个第一信号之后并且在所述TTI的所述第一部分之后的TTI的第二部分之前确定所述传输格式; 以及在所述TTI的第二部分期间在所述UE处接收一个或多个第二信号。

公开(公告)号：US20140169503A1

公开(公告)日：2014-06-19

申请号：US14048709

申请日：2013-10-08

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen

IPC: H04L27/227

CPC classification number: H04L27/2273 ,  H04B17/336

Abstract: Access terminals are adapted to facilitate estimation of signal-to-noise ratios for received wireless transmissions. According to at least one example, a wireless communication device can receive a plurality of data symbols. The wireless communication device can determine a first estimate of a signal-to-noise ratio based on first estimates of a signal power and a noise power associated with the plurality of received data symbols. When the first estimate of the signal-to-noise ratio is below a predetermined threshold, a second estimate of the signal-to-noise ratio can be determined based on second estimates of the signal power and the noise power for the received data symbols. Other aspects, embodiments, and features are also included.

Abstract translation: 接入终端适于便于估计接收到的无线传输的信噪比。 根据至少一个示例，无线通信设备可以接收多个数据符号。 无线通信设备可以基于与多个接收的数据符号相关联的信号功率和噪声功率的第一估计来确定信噪比的第一估计。 当信噪比的第一估计低于预定阈值时，可以基于接收到的数据符号的信号功率和噪声功率的第二估计来确定信噪比的第二估计。 还包括其他方面，实施例和特征。

公开(公告)号：US09405616B2

公开(公告)日：2016-08-02

申请号：US14274266

申请日：2014-05-09

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen

IPC: H03M13/00 ,  G06F11/10 ,  H03M13/09 ,  H04L1/00 ,  H04L25/06 ,  H04L27/227

CPC classification number: G06F11/1004 ,  H03M13/09 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0046 ,  H04L25/067 ,  H04L27/2278

Abstract: A reliability metric is used for determining whether to prune a decoding hypothesis. For example, a reliability metric can be generated for each possible hypothesis generated during blind decoding operations. The reliability metric can then be used in a pruning process whereby a determination to prune a given hypothesis is based on whether the corresponding reliability metric is above or below a reliability metric threshold. In some aspects, the reliability metric is based on the correlation between the symbols of a hypothesis and re-encoded symbols that are based on the hypothesis, whereby the correlation is normalized using an estimated power parameter that is independent of the hypothesis. Through the use of the reliability metric, decoding may be achieved with a low probability of false passes (in the case of noise) and a low probability of missed detection (in the case of a real signal).

Abstract translation: 可靠性度量用于确定是否修剪解码假设。 例如，可以针对在盲解码操作期间生成的每个可能的假设来生成可靠性度量。 然后可靠性度量可用于修剪过程，由此确定修剪给定假设是基于相应的可靠性度量是否高于或低于可靠性度量阈值。 在一些方面，可靠性度量基于假设的符号与基于假设的重新编码的符号之间的相关性，由此使用独立于假设的估计功率参数对相关性进行归一化。 通过使用可靠性度量，可以以低错误的通过概率（在噪声的情况下）和错误检测的概率（在实际信号的情况下）来实现解码。

公开(公告)号：US09167536B2

公开(公告)日：2015-10-20

申请号：US14056218

申请日：2013-10-17

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen

IPC: H04L1/00 ,  H04W52/22 ,  H04J3/14 ,  H04W52/24 ,  H04B17/336

CPC classification number: H04W52/221 ,  H04B17/336 ,  H04J3/14 ,  H04W52/241 ,  H04W52/247 ,  H04W52/248

Abstract: Methods and apparatus for improving amplitude estimation of a received signal in a wireless communication system is provided. Aspects of the methods and apparatus relate to investigating estimation of signal-to-noise (SNR) of the signal. To estimate SNR of the signal, a user equipment (UE) combines previous pilot amplitude measurements and the present pilot amplitude measurement along with received transmit power control (TPC) commands.

Abstract translation: 提供了一种用于提高无线通信系统中的接收信号的振幅估计的方法和装置。 方法和装置的方面涉及研究信号的信噪比（SNR）的估计。 为了估计信号的SNR，用户设备（UE）将先前的导频幅度测量和当前的导频振幅测量与接收的发射功率控制（TPC）命令相结合。

公开(公告)号：US09558062B2

公开(公告)日：2017-01-31

申请号：US14810120

申请日：2015-07-27

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen ,  Alexander Kleinerman

IPC: H03M13/00 ,  G06F11/10 ,  H03M13/09 ,  H04L1/00

CPC classification number: G06F11/1004 ,  H03M13/09 ,  H04L1/0046 ,  H04L1/0054 ,  H04L1/0061

Abstract: The present disclosure presents a method and an apparatus for reducing cyclic redundancy check (CRC) false detections at a user equipment (UE). For example, the method may include receiving a data packet at the UE, determining whether a state metric value for each of a plurality of vector elements of a last path metric vector of the data packet is less than or equal to a first threshold, incrementing a counter when the state metric value of a vector element of the plurality of vector elements is less than or equal to the first threshold, determining whether the counter is lower than a second threshold, and providing the data packet to an upper layer protocol entity of the UE when a CRC pass for the data packet is determined and the counter is lower than the second threshold. As such, reduced CRC false detections at a UE may be achieved.

Abstract translation: 本公开提供了一种用于减少用户设备（UE）处的循环冗余校验（CRC）错误检测的方法和装置。 例如，该方法可以包括在UE处接收数据分组，确定数据分组的最后路径度量向量的多个向量元素中的每一个的状态度量值是否小于或等于第一阈值，递增 当所述多个向量元素的向量元素的状态度量值小于或等于所述第一阈值时，计数器，确定所述计数器是否低于第二阈值，并将所述数据分组提供给 当确定数据分组的CRC通过并且计数器低于第二阈值时，UE。 因此，可以实现UE处的减少的CRC错误检测。

公开(公告)号：US20150149874A1

公开(公告)日：2015-05-28

申请号：US14274266

申请日：2014-05-09

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen

IPC: G06F11/10 ,  H04L1/00 ,  H03M13/09

CPC classification number: G06F11/1004 ,  H03M13/09 ,  H04L1/004 ,  H04L1/0045 ,  H04L1/0046 ,  H04L25/067 ,  H04L27/2278

Abstract: A reliability metric is used for determining whether to prune a decoding hypothesis. For example, a reliability metric can be generated for each possible hypothesis generated during blind decoding operations. The reliability metric can then be used in a pruning process whereby a determination to prune a given hypothesis is based on whether the corresponding reliability metric is above or below a reliability metric threshold. In some aspects, the reliability metric is based on the correlation between the symbols of a hypothesis and re-encoded symbols that are based on the hypothesis, whereby the correlation is normalized using an estimated power parameter that is independent of the hypothesis. Through the use of the reliability metric, decoding may be achieved with a low probability of false passes (in the case of noise) and a low probability of missed detection (in the case of a real signal).

Abstract translation: 可靠性度量用于确定是否修剪解码假设。 例如，可以针对在盲解码操作期间生成的每个可能的假设来生成可靠性度量。 然后可靠性度量可用于修剪过程，由此确定修剪给定假设是基于相应的可靠性度量是否高于或低于可靠性度量阈值。 在一些方面，可靠性度量基于假设的符号与基于假设的重新编码的符号之间的相关性，由此使用独立于假设的估计功率参数对相关性进行归一化。 通过使用可靠性度量，可以以低错误的通过概率（在噪声的情况下）和错误检测的概率（在实际信号的情况下）来实现解码。

公开(公告)号：US20150131621A1

公开(公告)日：2015-05-14

申请号：US14253305

申请日：2014-04-15

Applicant: QUALCOMM Incorporated

Inventor： Shashank Vishwanatha Maiya ,  Roee Cohen ,  Nate Chizgi ,  Sharif Ahsanul Matin

IPC: H04W52/12 ,  H04W72/04 ,  H04W52/24

CPC classification number: H04W52/12 ,  H04W52/16 ,  H04W52/20 ,  H04W52/226 ,  H04W52/241 ,  H04W72/0446 ,  H04W72/0473

Abstract: A signal-to-interference target is adjusted multiple times within a transmission time interval. For example, the signal-to-interference target may be adjusted at the slot level. According to some aspects of the disclosure, the signal-to-interference target may be adjusted based on early detection of the transport format being transmitted by the network. For example, the signal-to-interference target may be quickly adjusted at each slot upon detection of the kind of transport format present during that slot. Advantageously, such an approach may reduce the transient time that it takes for the signal-to-interference target to be updated to a new transport format.

Abstract translation: 信号对干扰目标在传输时间间隔内多次调整。 例如，可以在时隙级别调整信号对干扰目标。 根据本公开的一些方面，可以基于由网络发送的传输格式的早期检测来调整信号对干扰目标。 例如，当检测到在该时隙期间存在的传输格式的类型时，可以在每个时隙快速地调整信号对干扰目标。 有利地，这种方法可以减少将信号到干扰目标更新为新的传输格式所需的瞬时时间。

公开(公告)号：US08995516B2

公开(公告)日：2015-03-31

申请号：US14048709

申请日：2013-10-08

Applicant: QUALCOMM Incorporated

Inventor： Roee Cohen

IPC: H04B3/46 ,  H04L27/227

CPC classification number: H04L27/2273 ,  H04B17/336

Abstract: Access terminals are adapted to facilitate estimation of signal-to-noise ratios for received wireless transmissions. According to at least one example, a wireless communication device can receive a plurality of data symbols. The wireless communication device can determine a first estimate of a signal-to-noise ratio based on first estimates of a signal power and a noise power associated with the plurality of received data symbols. When the first estimate of the signal-to-noise ratio is below a predetermined threshold, a second estimate of the signal-to-noise ratio can be determined based on second estimates of the signal power and the noise power for the received data symbols. Other aspects, embodiments, and features are also included.

Abstract translation: 接入终端适于便于估计接收到的无线传输的信噪比。 根据至少一个示例，无线通信设备可以接收多个数据符号。 无线通信设备可以基于与多个接收的数据符号相关联的信号功率和噪声功率的第一估计来确定信噪比的第一估计。 当信噪比的第一估计低于预定阈值时，可以基于接收到的数据符号的信号功率和噪声功率的第二估计来确定信噪比的第二估计。 还包括其他方面，实施例和特征。