公开(公告)号：WO2016191214A2

公开(公告)日：2016-12-01

申请号：PCT/US2016/033333

申请日：2016-05-19

Applicant: QUALCOMM INCORPORATED

Inventor： CHALLA, Raghu Narayan ,  AMERGA, Messay ,  BANISTER, Brian Clarke ,  GOROKHOV, Alexei Yurievitch ,  AMINZADEH GOHARI, Amir

IPC: H04L5/00 ,  H04W52/00 ,  H04W72/00

CPC classification number: H04B7/0632 ,  H04B1/385 ,  H04B7/0413 ,  H04L1/08 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053 ,  H04L5/0064 ,  H04L5/0091 ,  H04W4/70 ,  H04W8/24 ,  H04W28/18 ,  H04W52/28 ,  H04W52/42 ,  H04W72/048 ,  H04W84/042 ,  H04W88/06

Abstract: Aspects of the present disclosure provide apparatus and techniques that may be applied in systems that may help enable efficient communication between a base station (BS) and certain devices, such as wearable devices and/or machine type communication (MTC) user equipments (UEs), having a single receiver (RX) for long term evolution (LTE). An exemplary method, performed by a BS, generally includes receiving, from a UE, an indication of a category of the UE, wherein the category of the UE indicates at least one of: a maximum throughput supported by the UE or a number of layers supported by the UE; assuming a number of receivers at the UE based on the category of the UE; determining one or more transmit parameters based on the number of receivers of the UE; and communicating with the UE according to the one or more transmit parameters.

Abstract translation: 本公开的方面提供了可以应用于可以有助于实现基站（BS）和某些设备（例如可穿戴设备和/或机器类型通信（MTC）用户设备（UE））之间的有效通信的系统中的设备和技术， 具有用于长期演进（LTE）的单个接收机（RX）。 由BS执行的示例性方法通常包括从UE接收UE的类别的指示，其中UE的类别指示以下至少一个：UE支持的最大吞吐量或多个层 由UE支持; 假设UE基于UE的类别的多个接收机; 基于所述UE的接收机的数量确定一个或多个发射参数; 以及根据所述一个或多个发射参数与所述UE进行通信。

公开(公告)号：WO2009039211A1

公开(公告)日：2009-03-26

申请号：PCT/US2008/076726

申请日：2008-09-17

Applicant: QUALCOMM Incorporated ,  AMERGA, Messay ,  CHAWLA, Vivek ,  GARG, Deepali

Inventor： AMERGA, Messay ,  CHAWLA, Vivek ,  GARG, Deepali

IPC: H04W48/16

CPC classification number: H04W48/16 ,  H04W52/0229 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/24

Abstract: A method and apparatus for reducing frequency space from code space search is disclosed in a wireless network. The method and apparatus reduces the frequency space without compromising the probability of detection, so that user equipment can expedite system acquisition and reduce power consumption. To reduce the frequency space, the described aspects note that the power spectral density of the WCDMA signal is essentially flat within the channel bandwidth. By capturing in-phase quadrature samples and doing frequency domain analysis of the signal in bandwidth around the center frequency, to the described aspects can eliminate some channels from the WCDMA code space search during frequency scan.

Abstract translation: 在无线网络中公开了一种用于从代码空间搜索减少频率空间的方法和装置。 该方法和装置降低了频率空间，而不损害检测的概率，使得用户设备可以加快系统采集并降低功耗。 为了减少频率空间，所描述的方面注意到WCDMA信号的功率谱密度在信道带宽内基本上是平坦的。 通过捕获同相正交采样并对围绕中心频率的带宽中的信号进行频域分析，所描述的方面可以在频率扫描期间从WCDMA码空间搜索中消除一些信道。

公开(公告)号：WO2007019556A1

公开(公告)日：2007-02-15

申请号：PCT/US2006/031148

申请日：2006-08-08

Applicant: QUALCOMM INCORPORATED ,  AMERGA, Messay ,  UMATT, Bhupesh Manoharlal ,  MITTAL, Vineet

Inventor： AMERGA, Messay ,  UMATT, Bhupesh Manoharlal ,  MITTAL, Vineet

IPC: H04B1/16 ,  H04M1/73 ,  H04Q7/32

CPC classification number: H04W52/287 ,  H04W52/0229 ,  Y02D70/1222 ,  Y02D70/1242

Abstract: The disclosure is directed to techniques for performing service signal searches with reduced power consumption when a wireless communication device is operating out of service. The techniques include placing the wireless communication device in a "deep sleep" mode when the wireless communication device is not in service. When operating in the deep sleep mode, the wireless communication device reduces power consumption by not looking for paging signals or searching for service signals. The wireless communication device then may periodically enter a wake-up period during which power consumption is increased to perform signal searches in one or more frequency bands. The wireless communication device returns to the deep sleep mode when the signal searches are unsuccessful.

Abstract translation: 本公开涉及当无线通信设备运行停止服务时，以降低的功率消耗执行服务信号搜索的技术。 这些技术包括当无线通信设备不在服务时将无线通信设备置于“深度睡眠”模式。 当在深度睡眠模式下操作时，无线通信设备通过不寻找寻呼信号或搜索服务信号来降低功耗。 然后，无线通信设备可以周期性地进入唤醒周期，在该唤醒周期期间增加功耗以在一个或多个频带中执行信号搜索。 当信号搜索不成功时，无线通信设备返回深度睡眠模式。

公开(公告)号：WO2005115042A1

公开(公告)日：2005-12-01

申请号：PCT/US2005/017809

申请日：2005-05-19

Applicant: QUALCOMM INCORPORATED ,  AMERGA, Messay ,  EMANI, Chalapathi Rao

Inventor： AMERGA, Messay ,  EMANI, Chalapathi Rao

IPC: H04Q7/38

CPC classification number: H04B1/7083 ,  H04B1/70735 ,  H04B2201/70702 ,  H04W24/00 ,  H04W36/30 ,  H04W48/16 ,  H04W52/0206 ,  H04W52/0245 ,  H04W88/08 ,  Y02D70/40

Abstract: For cell measurement, a wireless device categorizes cells whose identities are known to the device into multiple sets. The wireless device may obtain these cells from the system via signaling and/or detect these cells via searches. Different sets of cells may be associated with different levels of importance (e.g., for handoff), require different amounts of processing for measurements, and so on. Each set is associated with a particular measurement rate. Cells deemed to be more important (e.g., for handoff) are measured more frequently. Cells deemed to be less important and/or require more processing for measurements (e.g., cells with unknown timing) are measured less frequently. The wireless device performs searches and makes measurements for the cells in each set at the measurement rate selected for that set.

Abstract translation: 对于小区测量，无线设备将其设备已知的身份的小区分为多组。 无线设备可以经由信令从系统获得这些小区，和/或通过搜索来检测这些小区。 不同的单元组可以与不同的重要程度相关联（例如，用于切换），需要不同量的用于测量的处理等等。 每组与特定的测量速率相关联。 更频繁地测量被认为更重要的小区（例如，用于切换）。 被认为不那么重要和/或需要更多的测量处理的细胞（例如，具有未知定时的细胞）被更少地测量。 无线设备以为该组选择的测量速率进行搜索并对每组中的小区进行测量。

公开(公告)号：WO2003040746A2

公开(公告)日：2003-05-15

申请号：PCT/US2002/035273

申请日：2002-11-01

Applicant: QUALCOMM INCORPORATED

Inventor： RICK, Roland, R. ,  STEIN, Jeremy, M. ,  AMERGA, Messay ,  FERNANDEZ-CORBATON, Ivan

IPC: G01S

CPC classification number: H04W64/00 ,  G01S5/0205 ,  G01S5/0215

Abstract: A method of producing a reliability metric for a parameter estimate derived from a signal using correlation analysis is described. The method begins by obtaining an indication of whether a non line of sight signal condition is present or likely. Responsive to one or both of these indications, the method derives a reliability metric for the parameter estimate. In one embodiment, the parameter estimate is an estimate of time of arrival (TOA) of the signal, and the reliability metric is root mean square error (RMSE) of the time of arrival estimate. This embodiment obtains an indication of whether a non line of sight signal condition is present or likely based on a measure of the strength of the correlation function at the peak thereof. The measure of the strength of the correlation function at the peak thereof may be energy per chip divided by total received power (E¿c?/I¿0?) or may simply be the raw energy of the correlation function at the peak. The RMSE metric which is computed in this embodiment varies inversely with the peak strength of the correlation function.

Abstract translation: 描述了使用相关性分析来生成从信号导出的参数估计的可靠性度量的方法。 该方法通过获得是否存在非视线信号条件的可能性的指示开始。 响应于这些指示中的一个或两个，该方法导出参数估计的可靠性度量。 在一个实施例中，参数估计是信号的到达时间TOA的估计，可靠性度量是到达时间估计的均方根误差RMSE。 该实施例基于在其峰值处的相关函数的强度的度量来获得是否存在非线视觉信号条件或可能的指示。 在其峰值处的相关函数的强度的度量可以是每个芯片的能量除以总接收功率E / 或者可以简单地是峰值处的相关函数的原始能量。 在本实施例中计算的RMSE度量与相关函数的峰值强度成反比变化。

公开(公告)号：EP2198654B1

公开(公告)日：2017-05-31

申请号：EP08832562.6

申请日：2008-09-17

Applicant: QUALCOMM Incorporated

Inventor： AMERGA, Messay ,  CHAWLA, Vivek ,  GARG, Deepali

IPC: H04W48/16 ,  H04W52/02

CPC classification number: H04W48/16 ,  H04W52/0229 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/24

Abstract: A method and apparatus for reducing frequency space from code space search is disclosed in a wireless network. The method and apparatus reduces the frequency space without compromising the probability of detection, so that user equipment can expedite system acquisition and reduce power consumption. To reduce the frequency space, the described aspects note that the power spectral density of the WCDMA signal is essentially flat within the channel bandwidth. By capturing in-phase quadrature samples and doing frequency domain analysis of the signal in bandwidth around the center frequency, to the described aspects can eliminate some channels from the WCDMA code space search during frequency scan.

Abstract translation: 在无线网络中公开了一种用于从代码空间搜索中减少频率空间的方法和装置。 该方法和装置在不损害检测概率的情况下减少了频率空间，使得用户设备可以加速系统采集并降低功耗。 为了减少频率空间，所描述的方面注意到WCDMA信号的功率谱密度在信道带宽内基本上是平坦的。 通过捕获同相正交样本并对中心频率周围的带宽中的信号进行频域分析，对于所描述的方面可以在频率扫描期间从WCDMA码空间搜索中消除一些信道。

公开(公告)号：EP1444531A2

公开(公告)日：2004-08-11

申请号：EP02793872.9

申请日：2002-11-01

Applicant: Qualcomm Incorporated

Inventor： RICK, Roland, R. ,  STEIN, Jeremy, M. ,  AMERGA, Messay ,  FERNANDEZ-CORBATON, Ivan

IPC: G01S1/04

CPC classification number: H04W64/00 ,  G01S5/0205 ,  G01S5/0215

Abstract: A method of producing a reliability metric for a parameter estimate derived from a signal using correlation analysis is described. The method begins by obtaining an indication of whether a non line of sight signal condition is present or likely. Responsive to one or both of these indications, the method derives a reliability metric for the parameter estimate. In one embodiment, the parameter estimate is an estimate of time of arrival (TOA) of the signal, and the reliability metric is root mean square error (RMSE) of the time of arrival estimate. This embodiment obtains an indication of whether a non line of sight signal condition is present or likely based on a measure of the strength of the correlation function at the peak thereof. The measure of the strength of the correlation function at the peak thereof may be energy per chip divided by total received power (Ec/I0) or may simply be the raw energy of the correlation function at the peak. The RMSE metric which is computed in this embodiment varies inversely with the peak strength of the correlation function.

公开(公告)号：WO2007103822A2

公开(公告)日：2007-09-13

申请号：PCT/US2007/063227

申请日：2007-03-02

Applicant: QUALCOMM INCORPORATED ,  BHATTACHARJEE, Supratik ,  AMERGA, Messay ,  DONG, Brian ,  SINGH, Gurdeep

Inventor： BHATTACHARJEE, Supratik ,  AMERGA, Messay ,  DONG, Brian ,  SINGH, Gurdeep

IPC: H04Q7/32 ,  H04Q7/38

CPC classification number: H04W24/10

Abstract: A terminal communicates with a first wireless network and obtains a list of cells in a second wireless network to measure. The terminal operates in a compressed mode and receives multiple transmission gap pattern sequences for different measurement purposes, e.g., RSSI measurements, BSIC identification, and BSIC re-confirmation. The terminal utilizes each transmission gap for its designated purpose or an alternate purpose. For each transmission gap, the designated purpose for the transmission gap is ascertained, and whether the transmission gap is usable for an alternate purpose is also determined based on at least one criterion. The transmission gap is used for the alternate purpose if the at least one criterion is satisfied and is used for the designated purpose otherwise. For example, a transmission gap designated for RSSI measurement may be used for BSIC identification, a transmission gap designed for BSIC identification or BSIC re-confirmation may be used for RSSI measurement, and so on.

Abstract translation: 终端与第一无线网络通信并且获得要测量的第二无线网络中的小区列表。 终端以压缩模式工作，并接收用于不同测量目的的多个传输间隙模式序列，例如RSSI测量，BSIC识别和BSIC重新确认。 终端利用每个传输间隙来达到其指定目的或另一目的。 对于每个传输间隙，确定传输间隙的指定目的，并且传输间隙是否可用于替代目的也基于至少一个标准来确定。 如果满足至少一个标准，则传输间隙用于替代目的，否则用于指定目的。 例如，指定用于RSSI测量的传输间隙可以用于BSIC识别，为BSIC识别或BSIC再确认而设计的传输间隙可以用于RSSI测量等等。

公开(公告)号：WO2007053838A1

公开(公告)日：2007-05-10

申请号：PCT/US2006/060409

申请日：2006-10-31

Applicant: QUALCOMM Incorporated ,  SHESHADRI, Thejaswi, Bharadwaj, Madapushi ,  DONG, Brian ,  AMERGA, Messay ,  HSU, Chih-Ping ,  SUBRAHMANYA, Parvathanathan ,  ZHU, Xiaoming

Inventor： SHESHADRI, Thejaswi, Bharadwaj, Madapushi ,  DONG, Brian ,  AMERGA, Messay ,  HSU, Chih-Ping ,  SUBRAHMANYA, Parvathanathan ,  ZHU, Xiaoming

IPC: H04B1/707

CPC classification number: H04B1/7117 ,  B60L2200/26

Abstract: A rake receiver finger assignor is configured to assign a rake receiver finger to a time offset between identified signal path time offsets in accordance with a concentration of identified signal paths from a transmitter to a rake receiver. In accordance with the exemplary embodiment, a number of identified signal paths having time offsets within a time window are observed to determine the concentration of signal paths identified by a path searcher. If the number of identified signal paths indicates a concentrated distribution of signal paths such as during a fat path condition, at least one rake finger is assigned between at a time offset between two identified signal paths.

Abstract translation: 耙式接收器手指分配器被配置为根据从发射机到耙式接收机的识别的信号路径的浓度，将耙机接收机手指分配到所识别的信号路径时间偏移之间的时间偏移。 根据示例性实施例，观察到在时间窗内具有时间偏移的多个识别的信号路径，以确定由路径搜索器识别的信号路径的浓度。 如果所识别的信号路径的数量表示信号路径的集中分布，例如在脂肪路径条件期间，则在两个识别的信号路径之间的时间偏移处分配至少一个耙指。

公开(公告)号：WO2004021731A2

公开(公告)日：2004-03-11

申请号：PCT/US2003/026398

申请日：2003-08-19

Applicant: QUALCOMM INCORPORATED

Inventor： AMERGA, Messay ,  HALBHAVI, Sudhir

IPC: H04Q7/38

CPC classification number: H04W36/30 ,  H04W52/0229 ,  Y02D70/1222 ,  Y02D70/1262 ,  Y02D70/24

Abstract: Techniques for limiting cell reselection in response to a variable channel are disclosed. In one aspect, a measurement of received pilot power from a base station is used as an indication of channel quality. In another aspect, hysteresis is applied to limit cell reselection, wherein the hysteresis is greater in relatively higher quality channel environments and lower in relatively lower channel quality environments. Various other aspects are also presented. These aspects have the benefit of reducing cell reselection, thus increasing time spent in low-power mode, thereby reducing power consumption and increasing standby time.

Abstract translation: 公开了用于限制响应于可变通道的小区重选的技术。 在一个方面，使用来自基站的接收导频功率的测量作为信道质量的指示。 在另一方面，应用滞后来限制小区重选，其中在相对较高质量的信道环境中的迟滞较大，并且在相对较低的信道质量环境中较低。 还提出了各种其他方面。 这些方面具有减少小区重选的优点，从而增加了在低功率模式下花费的时间，从而降低功耗并增加了待机时间。