公开(公告)号：US09172346B2

公开(公告)日：2015-10-27

申请号：US14346806

申请日：2012-09-24

Applicant: ST-Ericsson SA

Inventor： Stéphan Tassart

IPC: H03G5/16 ,  H03G5/00 ,  H03G3/20

CPC classification number: H03G5/165 ,  H03G3/20 ,  H03G5/005

Abstract: A method for configuring an electronic device having an equalizer suited for processing a numeric audio signal according to an objective equalization improves the equalization of the numeric audio signal. The equalizer has a transfer function that implements a set of band-pass filters having a constant band-pass and a configurable weight in the transfer function. The method provides a set of objective gains representing the objective equalization, with each objective gain corresponding to a respective frequency. The method also determines values of the weights of the band-pass filters that minimize an error evaluated by comparing the set of objective gains to the transfer function. The set of band-pass filters includes at least one pair of band-pass filters having a common central frequency and distinct band-passes. The method also sets the weights of the band-pass filters to the determined values.

Abstract translation: 用于配置具有适于根据客观均衡处理数字音频信号的均衡器的电子设备的方法改善了数字音频信号的均衡。 均衡器具有传递函数，该传递函数在传递函数中实现具有恒定带通和可配置权重的一组带通滤波器。 该方法提供表示目标均衡的一组客观增益，每个目标增益对应于相应的频率。 该方法还确定通过将目标增益集合与传递函数进行比较来最小化评估误差的带通滤波器的权重值。 该组带通滤波器包括具有共同的中心频率和不同带通的至少一对带通滤波器。 该方法还将带通滤波器的权重设置为确定的值。

公开(公告)号：US20150304910A1

公开(公告)日：2015-10-22

申请号：US14438949

申请日：2013-11-28

Applicant: ST-ERICSSON SA

Inventor： Suyog Moogi ,  Sreelakshmi Gollapudi ,  Pankaj Jaiswal

IPC: H04W36/00 ,  H04W76/04 ,  H04W24/10

CPC classification number: H04W36/0088 ,  H04W24/10 ,  H04W76/28

Abstract: An efficient way is described for a user equipment, camping on a cell of a first radio access technology, RAT, to perform measurements on the transmissions from a neighbouring radio cell of a different RAT. Recurrent time gaps that are available for making the measurements are not correlated or synchronized with the recurrent times at which the desired information are transmitted by the transmitter in the second RAT. Therefore, mapping is performed of the time gaps onto the interval at which the desired information is transmitted. The mapping continues until a time interval is covered that ensures that the information in the recurring desired block of information can be obtained. During the mapping of the measurement gaps, only those time intervals that have not already been covered by the mapping are used for obtaining the desired information.

Abstract translation: 对用户设备描述一种有效的方式，在第一无线电接入技术RAT的小区上驻留，以对来自不同RAT的相邻无线电小区的传输进行测量。 可用于进行测量的经常性时间间隔与第二RAT中的发射机发送期望信息的经常时间不相关或同步。 因此，将时间间隔执行到期望信息被发送的间隔上的映射。 映射继续，直到覆盖时间间隔，确保可以获得循环期望的信息块中的信息。 在测量间隙的映射期间，仅使用尚未被映射覆盖的那些时间间隔来获得所需的信息。

公开(公告)号：US20150301092A1

公开(公告)日：2015-10-22

申请号：US14438735

申请日：2013-11-26

Applicant: ST-Ericsson SA

Inventor： Vratislav Michal

IPC: G01R19/25

CPC classification number: G01R19/25 ,  H02M3/158 ,  H02M3/1588 ,  Y02B70/1466

Abstract: There is described a circuit and a method of detecting a voltage polarity for the detection of a Continuous Conduction Mode to Discontinuous Conduction Mode boundary of a switched DC-DC converter. There is provided use of a dynamic current mirror to store in a first capacitor (C) a voltage representative of the conduction voltage (VDS(Φ1)) of the power switch, at the end of a conduction cycle of said power switch. Also, an auto-zero comparator is used to charge the output voltage of the dynamic current mirror into a second capacitor (C2), during the first phase of operation corresponding to a conduction cycle of the power switch, and to detect the polarity of the conduction voltage (VDS(t=TCLK)) of the power switch at the end of the first phase of operation of the DC-DC converter, by comparing the voltage stored in the second capacitor during the first phase of operation with the output voltage of the dynamic current mirror in a second phase of operation (Φ2) corresponding to a non-conduction cycle of the power switch.

Abstract translation: 描述了用于检测开关DC-DC转换器的连续导通模式到不连续导通模式边界的电压极性的电路和方法。 在所述电源开关的导通周期结束时，提供使用动态电流镜以在第一电容器（C）中存储表示电源开关的导电电压（VDS（Φ1））的电压。 此外，在对应于电源开关的导通周期的第一操作阶段期间，使用自动归零比较器将动态电流镜的输出电压充电到第二电容器（C2）中，并且检测 在DC-DC转换器的第一工作阶段结束时，通过将在第一操作期间存储在第二电容器中的电压与在第一操作期间的输出电压进行比较，电力开关的导通电压（VDS（t = TCLK）） 在第二阶段的动作电流镜（Φ2）对应于电源开关的非导通周期。

公开(公告)号：US20150263787A1

公开(公告)日：2015-09-17

申请号：US14405218

申请日：2013-06-19

Applicant: ST-Ericsson SA

Inventor： Pablo Ignacio Gimeno Monge ,  Javier Del Prado Pavon

IPC: H04B5/00

CPC classification number: H04B5/0031 ,  G06Q20/3226 ,  G06Q20/3278 ,  H04B5/0056 ,  H04W12/06

Abstract: It is provided a method implemented by an electronic device comprising a near field communication (NFC) system. The system comprises an NFC contactless front end, a plurality of secure element interfaces to which a plurality of secure elements are connected, and a processing unit adapted to control the NFC contactless front end and the plurality of secure elements through the secure element interfaces. The method comprises sending (S10) an initialization command to all the secure elements through the secure element interfaces, upon exposure of the NFC contactless front end to an NFC reader. The method improves the field of near field communication.

Abstract translation: 提供了一种由包括近场通信（NFC）系统的电子设备实现的方法。 该系统包括NFC非接触式前端，连接有多个安全元件的多个安全元件接口，以及适于通过安全元件接口控制NFC非接触前端和多个安全元件的处理单元。 该方法包括：在将NFC非接触式前端暴露于NFC读取器时，通过安全元件接口向所有安全元件发送（S10）初始化命令。 该方法改进了近场通信领域。

公开(公告)号：US20150236588A1

公开(公告)日：2015-08-20

申请号：US14428034

申请日：2013-10-09

Applicant: ST-ERICSSON SA

Inventor： Xavier Branca

IPC: H02M3/158

CPC classification number: H02M3/158 ,  H02M3/1582 ,  H02M2001/009

Abstract: A method of driving a power stage configured to provide both positive output voltage to a positive output and negative output voltage to a negative output, the method comprising: —generating a first control signal; —generating a second control signal; —operating, the first control signal so as to initiate a charging phase, such that a first duty cycle of the first control signal is controlling an amount of energy to be accumulated; —operating, simultaneously, the first control signal and the second control signal so as to initiate an independent discharging phase of the accumulated energy, in a buck-type or boost-type, to an output of the power stage such that a second duty cycle of the second control signal is controlling an amount of energy to be discharged.

Abstract translation: 一种驱动功率级的方法，被配置为向正输出提供正输出电压，将负输出电压提供给负输出，所述方法包括：产生第一控制信号; 产生第二控制信号; 操作所述第一控制信号以便启动充电阶段，使得所述第一控制信号的第一占空比控制要累积的能量的量; 同时操作第一控制信号和第二控制信号，以便以降压型或升压型将累积能量的独立放电相位发起到功率级的输出，使得第二占空比 的第二控制信号是控制要排出的能量的量。

公开(公告)号：US20150208399A1

公开(公告)日：2015-07-23

申请号：US14416666

申请日：2013-06-21

Applicant: ST-Ericsson SA

Inventor： Fabrizio Tomatis ,  Andrea Ancora

IPC: H04W72/04 ,  H04L25/02 ,  H04L25/03

CPC classification number: H04W72/0406 ,  H04B1/7083 ,  H04B2201/70701 ,  H04B2201/70702 ,  H04L25/0202 ,  H04L25/03866 ,  H04W16/02 ,  H04W48/20

Abstract: A method permitting a UE receiver to detect and then report to the network a scrambling code collision i.e. 2 neighbor cells are transmitting with the same scrambling code while timing is aligned. Furthermore the UE receiver is configured to decode code the PCCPCH's physical channel with all the associated broadcast information in presence of a scrambling code collision at the UE. It also allows the UE to report SFN-SFN information to the network, which is necessary to insure the UE mobility and then prepare the handover to a new detected cell. The process and apparatus described is applicable in the presence of MIMO and further improves the detection of the scrambling code collision in the presence of MIMO.

Abstract translation: 一种允许UE接收机检测然后向定时对准时向网络报告扰码冲突的方法，即2个相邻小区正在以相同的扰码进行发送。 此外，UE接收器被配置为在存在UE处的扰码冲突的情况下用所有相关联的广播信息对PCCPCH的物理信道进行解码。 它还允许UE向网络报告SFN-SFN信息，这对于确保UE移动性是必要的，然后准备到新的检测到的小区的切换。 所描述的过程和设备可应用于MIMO的存在，并且进一步改善了在存在MIMO的情况下对扰码冲突的检测。

公开(公告)号：US09088247B2

公开(公告)日：2015-07-21

申请号：US14056396

申请日：2013-10-17

Applicant: ST-Ericsson SA

Inventor： Patrik Arno ,  Matthieu Thomas

IPC: H03F3/189 ,  H03F1/02 ,  H03F3/24 ,  H03F3/72 ,  H02M1/00 ,  H02M3/156

CPC classification number: H03F3/189 ,  H02M2001/0045 ,  H02M2003/1566 ,  H03F1/0222 ,  H03F1/0227 ,  H03F1/0277 ,  H03F3/24 ,  H03F3/72 ,  H03F2200/111 ,  H03F2200/432 ,  H03F2200/555 ,  H03F2203/7221 ,  H03F2203/7236

Abstract: A multi-mode, dynamic, DC-DC converter supplies a dynamically varying voltage, as required, from a battery to an RF power amplifier (PA). In envelope tracking mode, a fast DC-DC converter generates a dynamic voltage that varies based on the amplitude envelope of an RF signal, and regulates the voltage at the PA. A slow DC-DC converter generates a steady voltage and regulates the voltage across a link capacitor. The fast and slow converters are in parallel from the view of the PA, and the link capacitor is between the fast converter and the PA. Because different nodes are regulated, no current sharing is possible between the converters. The link capacitor boosts the dynamic voltage level, allowing a maximum dynamic voltage at the load to exceed the battery voltage. In power level tracking mode, the fast converter is disabled and the link capacitor is configured to be in parallel with the load. The slow converter directly regulates the PA, and the link capacitor is in parallel with (added to) an output capacitor. Multiple wireless network standards may be supported, allowing for the sharing of RF circuits.

Abstract translation: 多模式动态DC-DC转换器根据需要从电池向RF功率放大器（PA）提供动态变化的电压。 在包络跟踪模式中，快速DC-DC转换器产生基于RF信号的幅度包络而变化的动态电压，并且调节PA处的电压。 缓慢的DC-DC转换器产生稳定的电压并且调节链路电容器两端的电压。 快速和慢速转换器与PA兼容，并且链路电容器位于快速转换器和PA之间。 因为不同的节点被调节，转换器之间不能进行电流共享。 链路电容提高动态电压电平，允许负载下的最大动态电压超过电池电压。 在功率电平跟踪模式下，禁用快速转换器，并将链路电容配置为与负载并联。 慢转换器直接调节PA，链路电容与输出电容并联。 可以支持多种无线网络标准，允许共享RF电路。

公开(公告)号：US20150181606A1

公开(公告)日：2015-06-25

申请号：US14416672

申请日：2013-06-14

Applicant: ST-Ericsson SA

Inventor： Tommy Gribe ,  Kishor Kumar Gurusiddappa ,  Ali Nader

IPC: H04W72/04

CPC classification number: H04W72/0486 ,  H04W4/06 ,  H04W4/50 ,  H04W28/06 ,  H04W76/27 ,  H04W88/06

Abstract: A method for a wireless communication device of running a software application is disclosed. The method comprises determining, at the wireless communication device, an expected downlink data amount of the software application and acquiring a downlink data amount to communication state mapping threshold value. The method also comprises comparing the expected downlink data amount to the threshold value and sending, to a network node, a desired communication state request based on the comparison. A method for a network node is also disclosed. The method comprises sending a downlink data amount to communication state mapping threshold value to a wireless communication device. The method also comprises receiving a desired communication state request from the wireless communication device and determining a communication state of the wireless communication device based on the received desired communication state request. Corresponding computer program products, arrangements, communication devices and network nodes are also disclosed.

Abstract translation: 公开了一种用于运行软件应用的无线通信设备的方法。 该方法包括在无线通信设备处确定软件应用的预期下行链路数据量，并获取下行链路数据量到通信状态映射阈值。 该方法还包括将预期下行链路数据量与阈值进行比较，并且基于该比较向网络节点发送期望的通信状态请求。 还公开了一种网络节点的方法。 该方法包括向无线通信设备发送下行链路数据量到通信状态映射阈值。 该方法还包括从无线通信设备接收所需的通信状态请求，并基于接收的所需通信状态请求确定无线通信设备的通信状态。 还公开了相应的计算机程序产品，布置，通信设备和网络节点。

公开(公告)号：US20150172082A1

公开(公告)日：2015-06-18

申请号：US14390507

申请日：2013-04-10

Applicant: ST-Ericsson SA

Inventor： Fabrice Belveze ,  Robin Gerzaguet

IPC: H04L27/152 ,  H04B1/12

CPC classification number: H04L27/1525 ,  H03D3/009 ,  H04B1/123 ,  H04L27/3863

Abstract: A receiver (100) has an In-phase path (1-path) (101) that delivers a digital 1-path signal x1(t) and a Quadrature path (Q-path) (103) that delivers a digital Q-path signal xQ(t). The receiver (100) includes a compensation stage (124) arranged to compensate for gain error g and phase error φ between the digital 1-path signal x1(t) and the digital Q-path signal xQ(t). The compensation stage (124) has a compensation coefficient generation stage (200), a compensation coefficient application stage (202), a gain control stage (208), a relative gradient generation stage (214) and a step parameter generation stage (224). Compensation coefficients W1,1, W1,2, W2,1, W2,2 applied to the digital 1-path signal x1(t) and the digital Q-path signal xQ(t) are generated by iteratively updating them using a relative gradient of the compensated digital in-phase signal γ1(t) and a compensated digital quadrature signal γQ(t), and a step parameter μn, the magnitude of which is adjusted based on a rate of change of the compensation coefficients W1,1, W1,2, W2,1, W2,2.

Abstract translation: 接收器（100）具有传递数字1路信号x1（t）的同相路径（1路径）（101）和传送数字Q路径的正交路径（Q路径）（103） 信号xQ（t）。 接收器（100）包括补偿级（124），其被布置为补偿增益误差g和相位误差＆phgr; 在数字1路信号x1（t）和数字Q路径信号xQ（t）之间。 补偿级（124）具有补偿系数生成级（200），补偿系数应用级（202），增益控制级（208），相对梯度生成级（214）和步骤参数生成级（224） 。 通过使用相对梯度迭代地更新它们来产生施加到数字1路信号x1（t）和数字Q路径信号xQ（t）的补偿系数W1,1，W1,2，W2,1，W2,2 补偿数字同相信号γ1（t）和补偿数字正交信号γQ（t）的步长参数μn，其幅度基于补偿系数W1,1，W1的变化率进行调整 ，2，W2,1，W2,2。

公开(公告)号：US09058049B2

公开(公告)日：2015-06-16

申请号：US13865494

申请日：2013-04-18

Applicant: ST-Ericsson SA

Inventor： Alexandre Pons ,  Gilles Chevalier

IPC: G05F1/00 ,  H02H7/00 ,  H02H9/00 ,  G05F1/46 ,  G05F1/565

CPC classification number: G05F1/46 ,  G05F1/565

Abstract: A low-power-mode unit connected in parallel with a low-dropout regulator to provide a low-power mode includes a power P-MOS transistor, a differential amplifier, and an analog synchronization loop. The analog synchronization loop is configured to add a variable voltage offset depending on a total current at the output such that, in a high-power mode, the low-power unit current flowing through the P-MOS transistor is not zero, while being substantially smaller than the low-dropout regulator current flowing through the low-dropout regulator, and smaller than a predetermined value.

Abstract translation: 与低压差稳压器并联连接以提供低功率模式的低功率模式单元包括功率P-MOS晶体管，差分放大器和模拟同步环路。 模拟同步环路被配置为根据输出端的总电流增加可变电压偏移，使得在大功率模式中流过P-MOS晶体管的低功率单元电流不为零，同时基本上 小于流过低压降稳压器的低压差稳压器电流，并小于预定值。