-
公开(公告)号：US20080117939A1
公开(公告)日：2008-05-22
申请号：US11560716
申请日：2006-11-16
申请人： Amal Ekbal , Chong U. Lee , David Jonathan Julian
发明人： Amal Ekbal , Chong U. Lee , David Jonathan Julian
IPC分类号： H04J3/06
CPC分类号： H04B1/71632 , H04B1/719 , H04B2201/71636
摘要： A multiple access technique for a wireless communication system establishes separate channels by defining different time intervals for different channels. In a transmitted reference system different delay periods may be defined between transmitted reference pulses and associated data pulses for different channels. In addition, a multiple access technique may employ a common reference pulse for multiple channels in a transmitted reference system. Another multiple access technique assigns different pulse repetition periods to different channels. One or more of these techniques may be employed in an ultra-wide band system.
摘要翻译： 用于无线通信系统的多址技术通过为不同的信道定义不同的时间间隔来建立单独的信道。 在传输的参考系统中，可以在传输的参考脉冲和不同信道的相关联的数据脉冲之间定义不同的延迟周期。 此外，多址技术可以在传输的参考系统中为多个信道采用公共参考脉冲。 另一种多址技术将不同的脉冲重复周期分配给不同的信道。 这些技术中的一种或多种可以用于超宽带系统中。
-
32.发明授权Apparatus and methods for wireless communication using a packet structure that indicates whether payload length field and payload are included in the packet 有权使用指示有效载荷长度字段和有效载荷是否包括在分组中的分组结构的无线通信的装置和方法公开(公告)号：US08902894B2
公开(公告)日：2014-12-02
申请号：US13161648
申请日：2011-06-16
摘要： In accordance with aspects of the disclosure, a method, apparatus, and computer program product are provided for wireless communication. The method, apparatus, and computer program product may be configured to generate packets, wherein each of the packets comprises a packet header comprising a packet format field comprising a first indicator that indicates whether the packet header comprises a payload length field and whether the packet comprises a payload. The method, apparatus, and computer program product may be further configured to generate a second indicator based on a type of data in the payload, and attach the second indicator to the data.
摘要翻译： 根据本公开的方面，提供了一种用于无线通信的方法，装置和计算机程序产品。 方法，装置和计算机程序产品可以被配置为生成分组，其中每个分组包括分组报头，分组报头包括分组格式字段，分组格式字段包括指示分组报头是否包括有效载荷长度字段的第一指示符，以及该分组是否包括 有效载荷 方法，装置和计算机程序产品还可以被配置为基于有效载荷中的数据类型生成第二指示符，并将第二指示符附加到数据。
-
公开(公告)号：US08886148B2
公开(公告)日：2014-11-11
申请号：US12890004
申请日：2010-09-24
CPC分类号： H03G3/3052 , G01S13/765
摘要： In a signal-based gain control scheme, one or more gain levels used for processing signals are selected based on characteristics of previously received signals. For example, different gain levels may be used to receive sets of signals whereupon certain characteristics of the received sets of signals are determined. One or more gain levels are then selected based on these characteristics whereby another signal is processed based on the selected gain level(s). In some aspects, the signal-based gain control scheme may be employed to facilitate two-way ranging operations between two devices. For example, leading edge detection may involve determining a characteristic of a received signal, determining a threshold based on the characteristic, and identifying a leading edge associated with the received signal based on the threshold. In some aspects, the signal-based gain control scheme may be employed in an ultra-low power pulse-based communication system (e.g., in ultra-wideband communication devices).
摘要翻译： 在基于信号的增益控制方案中，基于先前接收到的信号的特性来选择用于处理信号的一个或多个增益电平。 例如，可以使用不同的增益电平来接收信号集合，从而确定所接收的信号组的某些特性。 然后基于这些特征选择一个或多个增益电平，由此基于所选择的增益电平处理另一个信号。 在一些方面，可以采用基于信号的增益控制方案来促进两个设备之间的双向测距操作。 例如，前沿检测可以包括确定接收信号的特性，基于特性确定阈值，以及基于阈值来识别与接收信号相关联的前沿。 在一些方面，基于信号的增益控制方案可以用于基于超低功率脉冲的通信系统（例如，在超宽带通信设备中）。
-
公开(公告)号：US08812063B2
公开(公告)日：2014-08-19
申请号：US12890076
申请日：2010-09-24
IPC分类号： H04L7/02 , H04B17/00 , H03K5/08 , H03K5/1534 , H04B1/7163
CPC分类号： H03K5/082 , H03K5/1534 , H04B1/71637
摘要： In a signal-based gain control scheme, one or more gain levels used for processing signals are selected based on characteristics of previously received signals. For example, different gain levels may be used to receive sets of signals whereupon certain characteristics of the received sets of signals are determined. One or more gain levels are then selected based on these characteristics whereby another signal is processed based on the selected gain level(s). In some aspects, the signal-based gain control scheme may be employed to facilitate two-way ranging operations between two devices. For example, leading edge detection may involve determining a characteristic of a received signal, determining a threshold based on the characteristic, and identifying a leading edge associated with the received signal based on the threshold. In some aspects, the signal-based gain control scheme may be employed in an ultra-low power pulse-based communication system (e.g., in ultra-wideband communication devices).
摘要翻译： 在基于信号的增益控制方案中，基于先前接收到的信号的特性来选择用于处理信号的一个或多个增益电平。 例如，可以使用不同的增益电平来接收信号集合，从而确定所接收的信号组的某些特性。 然后基于这些特征选择一个或多个增益电平，由此基于所选择的增益电平处理另一个信号。 在一些方面，可以采用基于信号的增益控制方案来促进两个设备之间的双向测距操作。 例如，前沿检测可以涉及确定接收信号的特性，基于特性确定阈值，以及基于阈值来识别与接收信号相关联的前沿。 在一些方面，基于信号的增益控制方案可以用于基于超低功率脉冲的通信系统（例如，在超宽带通信设备中）。
-
公开(公告)号：US08698572B2
公开(公告)日：2014-04-15
申请号：US12967216
申请日：2010-12-14
申请人： Chong U. Lee , David Jonathan Julian , Amal Ekbal
发明人： Chong U. Lee , David Jonathan Julian , Amal Ekbal
CPC分类号： H03K5/131 , H03K2005/00104 , H03K2005/00156
摘要： A tunable delay line is calibrated to maintain the delay of the delay line at a desired value or within a desired range of values. In some aspects a signal is passed through a delay line multiple times so that the cumulative delay of the signal through the delay line (e.g., as indicated by a count) may be calculated over a period of time. The count is compared with an expected count and, based on this comparison, the delay of the delay line is adjusted as necessary. In some aspects the signal may comprise a digital signal. In some aspects a delay through a delay line may be calculated based on analysis of amplitude changes in a signal caused by a phase shift imparted on the signal by the delay line. In some aspects a delay line is incorporated into a transmitted reference system to generate and/or process transmitted reference signals.
摘要翻译： 校准可调延迟线以将延迟线的延迟保持在期望值或期望的值范围内。 在一些方面，信号通过延迟线多次，使得通过延迟线的信号的累积延迟（例如，由计数指示）可以在一段时间内被计算。 将计数与期望计数进行比较，并根据该比较，根据需要调整延迟线的延迟。 在一些方面，信号可以包括数字信号。 在一些方面，通过延迟线的延迟可以基于由由延迟线对信号施加的相移引起的信号中的幅度变化的分析来计算。 在一些方面，将延迟线并入到传输的参考系中以产生和/或处理传输的参考信号。
-
公开(公告)号：US08385474B2
公开(公告)日：2013-02-26
申请号：US11859723
申请日：2007-09-21
申请人： Chong U. Lee , David Jonathan Julian , Amal Ekbal , Pavel Monat , Wei Xiong
发明人： Chong U. Lee , David Jonathan Julian , Amal Ekbal , Pavel Monat , Wei Xiong
IPC分类号： H04L27/00
摘要： Frequency of an oscillating signal is temporarily adjusted to adjust frequency and/or phase of an output signal. For example, the frequency of the oscillating signal may be adjusted for a very short period of time to adjust the phase of the output signal. In addition, the frequency of the oscillating signal may be temporarily adjusted in a repeated manner to adjust the effective frequency of the output signal. In some aspects the frequency of the oscillating signal is adjusted by reconfiguration of reactive circuits associated with an oscillator circuit.
摘要翻译： 暂时调整振荡信号的频率，调整输出信号的频率和/或相位。 例如，可以在非常短的时间段内调整振荡信号的频率以调整输出信号的相位。 此外，可以以重复的方式暂时调整振荡信号的频率以调节输出信号的有效频率。 在一些方面，振荡信号的频率通过与振荡器电路相关联的无功电路的重新配置来调节。
-
公开(公告)号：US20110316747A1
公开(公告)日：2011-12-29
申请号：US12887659
申请日：2010-09-22
IPC分类号： G01S1/24
CPC分类号： G01S11/00 , G01S5/021 , G01S5/0273 , G01S13/76 , G01S19/22 , H04B1/7163
摘要： A leading edge associated with a received signal is detected to provide, for example, time of arrival information for a ranging algorithm. In some aspects, a method of leading edge detection involves sampling a received signal, generating a drift compensated signal based on the samples, reconstructing the received signal based on the drift compensated signal, and identifying a leading edge associated with the received signal based on the reconstructed signal.
摘要翻译： 检测与接收信号相关联的前沿以提供例如测距算法的到达时间信息。 在一些方面，前缘检测的方法涉及对接收信号进行采样，基于采样产生漂移补偿信号，基于漂移补偿信号重建接收信号，并基于该信号识别与接收信号相关联的前沿 重建信号。
-
公开(公告)号：US20110294449A1
公开(公告)日：2011-12-01
申请号：US12890004
申请日：2010-09-24
IPC分类号： H04B1/16
CPC分类号： H03G3/3052 , G01S13/765
摘要： In a signal-based gain control scheme, one or more gain levels used for processing signals are selected based on characteristics of previously received signals. For example, different gain levels may be used to receive sets of signals whereupon certain characteristics of the received sets of signals are determined. One or more gain levels are then selected based on these characteristics whereby another signal is processed based on the selected gain level(s). In some aspects, the signal-based gain control scheme may be employed to facilitate two-way ranging operations between two devices. For example, leading edge detection may involve determining a characteristic of a received signal, determining a threshold based on the characteristic, and identifying a leading edge associated with the received signal based on the threshold. In some aspects, the signal-based gain control scheme may be employed in an ultra-low power pulse-based communication system (e.g., in ultra-wideband communication devices).
摘要翻译： 在基于信号的增益控制方案中，基于先前接收到的信号的特性来选择用于处理信号的一个或多个增益电平。 例如，可以使用不同的增益电平来接收信号集合，从而确定所接收的信号组的某些特性。 然后基于这些特征选择一个或多个增益电平，由此基于所选择的增益电平处理另一个信号。 在一些方面，可以采用基于信号的增益控制方案来促进两个设备之间的双向测距操作。 例如，前沿检测可以涉及确定接收信号的特性，基于特性确定阈值，以及基于阈值来识别与接收信号相关联的前沿。 在一些方面，基于信号的增益控制方案可以用于基于超低功率脉冲的通信系统（例如，在超宽带通信设备中）。
-
39.发明申请METHOD AND APPARATUS FOR ESTABLISHING COMMUNICATIONS IN LOW SIGNAL TO NOISE RATIO ENVIRONMENTS 有权用于建立低信号通信到噪声比环境的方法和装置公开(公告)号：US20110183607A1
公开(公告)日：2011-07-28
申请号：US12692099
申请日：2010-01-22
申请人： Petru C. Budianu , Amal Ekbal , David J. Julian , Jun Shi
发明人： Petru C. Budianu , Amal Ekbal , David J. Julian , Jun Shi
摘要： An apparatus is disclosed having a receiver configured to communicate, by a first apparatus, with a second apparatus in a first mode; determine side information by the first apparatus based on the communication during the first mode; and store the side information by the first apparatus for communication in a second mode with the second apparatus, wherein the first and second modes of communication have different date rates. A method for wireless communications is also disclosed.
摘要翻译： 公开了一种装置，其具有被配置为以第一模式与第二装置通信的第一装置的接收器; 基于第一模式期间的通信确定第一装置的侧信息; 并且利用第二装置以第二模式存储第一装置进行通信的侧信息，其中第一和第二通信模式具有不同的日期速率。 还公开了一种用于无线通信的方法。
-
公开(公告)号：US07965805B2
公开(公告)日：2011-06-21
申请号：US11859354
申请日：2007-09-21
申请人： Chong U. Lee , David Jonathan Julian , Amal Ekbal , Pavel Monat , Wei Xiong
发明人： Chong U. Lee , David Jonathan Julian , Amal Ekbal , Pavel Monat , Wei Xiong
IPC分类号： H04L7/00
摘要： Frequency and phase of an output signal is adjusted to track an input signal. A control signal is adjusted to control a frequency of an oscillating signal from which the output signal is derived. In some aspects the frequency of the oscillating signal is adjusted by reconfiguration of reactive circuits coupled to an oscillator circuit. Phase of the output signal may be adjusted based on comparison of the oscillating signal with an adjustable threshold. For example, the adjustable threshold may comprise an adjustable bias signal for a transistor circuit whereby the oscillating signal is provided as an input to the transistor circuit and the output of the transistor circuit provides the output signal.
摘要翻译： 调整输出信号的频率和相位以跟踪输入信号。 调整控制信号以控制从其导出输出信号的振荡信号的频率。 在一些方面，振荡信号的频率通过耦合到振荡器电路的无功电路的重新配置来调整。 可以基于振荡信号与可调阈值的比较来调整输出信号的相位。 例如，可调阈值可以包括用于晶体管电路的可调偏置信号，由此将振荡信号提供给晶体管电路的输入，并且晶体管电路的输出提供输出信号。
-
-
-
-
-
-
-
-
-
搜索结果
74 条记录 (耗时 0.037 秒)
