公开(公告)号：US20100045508A1

公开(公告)日：2010-02-25

申请号：US12402420

申请日：2009-03-11

申请人： Amal Ekbal ,  David Jonathan Julian ,  Zhanfeng Jia

发明人： Amal Ekbal ,  David Jonathan Julian ,  Zhanfeng Jia

IPC分类号： G01S13/08

CPC分类号： G01S13/765

摘要： Relatively short turnaround times are provided in conjunction with two-way ranging to, for example, facilitate accurate ranging measurements when the relative clock drift between ranging nodes (e.g., devices) is relatively high. In some aspects, relatively short turnaround times are achieved through the use of a symmetric channel that is defined to enable concurrent transmission of ranging messages between nodes. For example, a symmetric channel may be established by configuring the nodes to receive one or more pulses associated with a received ranging message in between pulse transmissions associated with a transmitted ranging message. In this way, one node may send a ranging timestamp shortly after the other nodes sends its ranging timestamp, thereby mitigating the impact of the clock drift on the ranging measurements. In some aspects the pulses may comprise ultra-wideband pulses. The techniques described herein may be employed to provide two-way ranging in, for example, low power and/or non-coherent wireless devices.

摘要翻译： 结合双向测距提供相对短的周转时间，例如，当测距节点（例如，设备）之间的相对时钟漂移相对较高时，便于进行准确的测距测量。 在一些方面，通过使用被定义为能够在节点之间并行传送测距消息的对称信道来实现相对短的周转时间。 例如，可以通过将节点配置为在与传送的测距消息相关联的脉冲传输之间接收与接收到的测距消息相关联的一个或多个脉冲来建立对称信道。 以这种方式，一个节点可以在其他节点发送其测距时间戳之后不久发送测距时间戳，从而减轻时钟漂移对测距测量的影响。 在一些方面，脉冲可以包括超宽带脉冲。 本文描述的技术可以用于在例如低功率和/或非相干无线设备中提供双向测距。

公开(公告)号：US20100020863A1

公开(公告)日：2010-01-28

申请号：US12360305

申请日：2009-01-27

申请人： Jun Shi ,  David Jonathan Julian ,  Amal Ekbal

发明人： Jun Shi ,  David Jonathan Julian ,  Amal Ekbal

IPC分类号： H03K7/04 ,  H04B3/00 ,  G04B47/00

CPC分类号： H04B1/719 ,  H04L25/4902 ,  H04L27/02

摘要： Adverse effects associated with collisions in a wireless communication system are mitigated by defining one or more values for receive data. Here, data that is expected to be received during a data transmission may be set to a defined value. In some cases the defined value is a predefined value (e.g., zero or some other value). In some cases the defined value is based on noise and/or signals levels in the system. In some implementations a device may define receive data values for a period of time during which data is expected to be received and during which a transmission occurs. In some aspects a hybrid on-off keying scheme is employed to determine received data values.

摘要翻译： 通过为接收数据定义一个或多个值来减轻与无线通信系统中的冲突相关的不利影响。 这里，期望在数据传输期间被接收的数据可以被设置为定义的值。 在某些情况下，定义的值是预定义值（例如零或某个其他值）。 在某些情况下，定义的值基于系统中的噪声和/或信号电平。 在一些实施方式中，设备可以定义接收数据值一段时间，在此期间期望数据被接收并在此期间发生传输。 在一些方面，采用混合开关键控方案来确定接收到的数据值。

公开(公告)号：US20100005371A1

公开(公告)日：2010-01-07

申请号：US12175137

申请日：2008-07-17

申请人： Jun Shi ,  Amal Ekbal ,  David Jonathan Julian

发明人： Jun Shi ,  Amal Ekbal ,  David Jonathan Julian

IPC分类号： H03M13/03

CPC分类号： H03M13/6362 ,  H03M13/2936 ,  H03M13/353 ,  H03M13/6508 ,  H04B1/7163 ,  H04B2001/6908 ,  H04L1/0013 ,  H04L1/0046 ,  H04L1/0068

摘要： An apparatus for data communication that receives a plurality of pulses from a remote communications device, determines a pulse puncturing rate based on the pulses, and punctures or discards subsequent pulses based on the pulse puncturing rate. During intervals when punctured pulses are expected, the apparatus operates in a lower power consumption mode for the purpose of conserving power. In another aspect, a receiving apparatus determines the pulse puncturing rate based on received pulses, and transmits the pulse puncturing rate information to a transmitting apparatus. In response, the transmitting apparatus sends a subset of the pulses it would have transmitted based on the pulse puncturing rate. Because the receiving apparatus receives fewer pulses (e.g., a subset), the receiving apparatus may operate in a lower power consumption mode for longer periods in order to conserve power. Similarly, because the transmitting apparatus sends fewer pulses, it may also operate in a lower power consumption mode for longer periods.

摘要翻译： 一种用于从远程通信设备接收多个脉冲的数据通信装置，基于脉冲确定脉冲打孔速率，并且基于脉冲打孔速率对后续脉冲进行穿刺或丢弃。 在期望脉冲脉冲的间隔期间，为了节省功率，该装置以较低的功耗模式工作。 在另一方面，接收装置基于接收到的脉冲来确定脉冲打孔速率，并将脉冲打孔速率信息发送到发送装置。 作为响应，发送装置基于脉冲打孔速率发送其将发送的脉冲的子集。 由于接收装置接收到更少的脉冲（例如，子集），所以接收装置可以在较低的功耗模式下操作更长的时间段，以便节省功率。 类似地，由于发送装置发送较少的脉冲，所以它也可以在较低的功耗模式下工作较长时间。

公开(公告)号：US20090080542A1

公开(公告)日：2009-03-26

申请号：US11861092

申请日：2007-09-25

申请人： David Jonathan Julian ,  Amal Ekbal

发明人： David Jonathan Julian ,  Amal Ekbal

IPC分类号： H04B1/69

CPC分类号： H04L1/0061 ,  H04L1/24

摘要： In a pulse-based communication system a transmitting device may generate a series of pulses to convey information via a communication medium to a receiving device. In some situations, interference from one or more interfering devices may alter the pulse energy as it is transmitted through the communication medium. To mitigate the effect of such interference, a receiving device may mark certain received pulses as erasures. In this way, such pulses may be ignored during the decoding operation of the receiver.

摘要翻译： 在基于脉冲的通信系统中，发射设备可以产生一系列脉冲，以经由通信介质将信息传送到接收设备。 在一些情况下，来自一个或多个干扰装置的干扰可以在通过通信介质传输时改变脉冲能量。 为了减轻这种干扰的影响，接收设备可以将某些接收的脉冲标记为擦除。 以这种方式，在接收机的解码操作期间可能忽略这样的脉冲。

公开(公告)号：US20070249288A1

公开(公告)日：2007-10-25

申请号：US11734241

申请日：2007-04-11

申请人： Kamran Moallemi ,  Amal Ekbal ,  Chong Lee ,  David Julian ,  Gregory Rose ,  Lu Xiao

发明人： Kamran Moallemi ,  Amal Ekbal ,  Chong Lee ,  David Julian ,  Gregory Rose ,  Lu Xiao

IPC分类号： H04B1/00 ,  H04M11/04 ,  H04Q7/20

CPC分类号： H04L63/0492 ,  H04L63/08 ,  H04L67/18 ,  H04W4/023 ,  H04W12/06

摘要： Various operations may be performed based on distance-related functions associated with two or more devices. For example, one or more distance-based functions may be used to control whether a device is allowed to request another device to perform one or more functions. Similarly, one or more distance-based functions may be used to control whether a device may perform one or more functions requested by another device. A distance-related function may take various form including, for example, a distance between devices, two or more distances between devices, a rate of change in a relative distance between devices, relative acceleration between devices, or some combination of two or more of the these distance-related functions.

摘要翻译： 可以基于与两个或更多个设备相关联的距离相关功能来执行各种操作。 例如，可以使用一个或多个基于距离的功能来控制是否允许设备请求另一设备执行一个或多个功能。 类似地，可以使用一个或多个基于距离的功能来控制设备是否可以执行由另一设备请求的一个或多个功能。 距离相关功能可以采取各种形式，包括例如设备之间的距离，设备之间的两个或更多个距离，设备之间的相对距离的变化率，设备之间的相对加速度，或两个或更多个 这些距离相关的功能。

公开(公告)号：US20070259629A1

公开(公告)日：2007-11-08

申请号：US11740827

申请日：2007-04-26

申请人： Chong Lee ,  Amal Ekbal ,  David Julian

发明人： Chong Lee ,  Amal Ekbal ,  David Julian

IPC分类号： H04B1/04

CPC分类号： H04B1/7174 ,  H04B1/71632 ,  H04R25/554 ,  H04R25/558 ,  H04R27/00 ,  H04R2225/33 ,  H04R2225/55 ,  H04R2227/003 ,  H04R2420/07

摘要： Low power wireless communication techniques may be employed in devices that communicate via a wireless body area network, a wireless personal area network, or some other type of wireless communication link. In some implementations the devices may communicate via one or more impulse-based ultra-wideband channels. Inter-pulse duty cycling may be employed to reduce the power consumption of a device. Power may be provided for the transmissions and receptions of pulses by charging and discharging a capacitive element according to the inter-pulse duty cycling. Sub-packet data may be transmitted and received via a common frequency band. A cell phone may multicast to two or more peripherals via wireless communication links.

摘要翻译： 低功率无线通信技术可以用于经由无线体区域网络，无线个人区域网络或某种其他类型的无线通信链路进行通信的设备中。 在一些实现中，设备可以经由一个或多个基于脉冲的超宽带信道进行通信。 可以采用脉冲间占空比来降低器件的功耗。 可以通过根据脉冲间负载循环对电容元件进行充电和放电来为发射和接收脉冲提供功率。 可以经由公共频带发送和接收子分组数据。 蜂窝电话可以通过无线通信链路多播到两个或多个外围设备。

公开(公告)号：US20070258507A1

公开(公告)日：2007-11-08

申请号：US11740771

申请日：2007-04-26

申请人： Chong Lee ,  Amal Ekbal ,  David Julian ,  Zhanfeng Jia

发明人： Chong Lee ,  Amal Ekbal ,  David Julian ,  Zhanfeng Jia

IPC分类号： H04B1/00 ,  H03K9/04 ,  H04L27/00 ,  H03K9/08

CPC分类号： H04B1/7174 ,  H04B1/71632 ,  H04R25/554 ,  H04R25/558 ,  H04R27/00 ,  H04R2225/33 ,  H04R2225/55 ,  H04R2227/003 ,  H04R2420/07

摘要： Low power wireless communication techniques may be employed in devices that communicate via a wireless body area network, a wireless personal area network, or some other type of wireless communication link. In some implementations the devices may communicate via one or more impulse-based ultra-wideband channels. Inter-pulse duty cycling may be employed to reduce the power consumption of a device. Power may be provided for the transmissions and receptions of pulses by charging and discharging a capacitive element according to the inter-pulse duty cycling. Sub-packet data may be transmitted and received via a common frequency band. A cell phone may multicast to two or more peripherals via wireless communication links.

摘要翻译： 低功率无线通信技术可以用于经由无线体区域网络，无线个人区域网络或某种其他类型的无线通信链路进行通信的设备中。 在一些实现中，设备可以经由一个或多个基于脉冲的超宽带信道进行通信。 可以采用脉冲间占空比来降低器件的功耗。 可以通过根据脉冲间负载循环对电容元件进行充电和放电来为发射和接收脉冲提供功率。 可以经由公共频带发送和接收子分组数据。 蜂窝电话可以通过无线通信链路多播到两个或多个外围设备。

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

IPC分类号： H04B7/24 ,  H04B1/38

CPC分类号： H04W76/10 ,  H04W8/005 ,  H04W84/18

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：US20070285306A1

公开(公告)日：2007-12-13

申请号：US11735867

申请日：2007-04-16

申请人： David Julian ,  Amal Ekbal ,  Chong Lee

发明人： David Julian ,  Amal Ekbal ,  Chong Lee

IPC分类号： G01S13/08

CPC分类号： G01S13/765 ,  G01S13/0209 ,  G01S13/284 ,  H04W64/00

摘要： Various techniques are described relating to verifying a distance between devices. A distance between two devices may be verified by requiring one of the devices to take one or more actions that generate a result that is only possible if the device is at most a given distance from the other device. In some aspects verified ranging is accomplished through the use of a ranging signal and a responsive signal. In some aspects the ranging signal may comprise a random, pseudorandom, or deterministic sequence. A responding device may operate on a ranging signal in accordance with a known function to generate a responsive signal. A ranging device also may perform operations to determine the likelihood that a responding device properly operated on a ranging signal that the ranging device transmitted to the responding device.

摘要翻译： 描述了关于验证设备之间的距离的各种技术。 两个设备之间的距离可以通过要求设备中的一个进行一个或多个动作来验证，该动作只有在设备距离其他设备至多一定距离时才可能产生。 在一些方面，验证的测距通过使用测距信号和响应信号来实现。 在一些方面，测距信号可以包括随机，伪随机或确定性序列。 响应设备可以根据已知功能在测距信号上操作以产生响应信号。 测距设备还可以执行操作以确定响应设备在测距设备正确地操作测距设备发射到响应设备的可能性。

公开(公告)号：US20070291684A1

公开(公告)日：2007-12-20

申请号：US11740815

申请日：2007-04-26

申请人： Chong Lee ,  Amal Ekbal ,  David Julian

发明人： Chong Lee ,  Amal Ekbal ,  David Julian

IPC分类号： H04Q7/00 ,  H04L12/56

CPC分类号： H04B1/7174 ,  H04B1/71632 ,  H04R25/554 ,  H04R25/558 ,  H04R27/00 ,  H04R2225/33 ,  H04R2225/55 ,  H04R2227/003 ,  H04R2420/07

摘要： Low power wireless communication techniques may be employed in devices that communicate via a wireless body area network, a wireless personal area network, or some other type of wireless communication link. In some implementations the devices may communicate via one or more impulse-based ultra-wideband channels. Inter-pulse duty cycling may be employed to reduce the power consumption of a device. Power may be provided for the transmissions and receptions of pulses by charging and discharging a capacitive element according to the inter-pulse duty cycling. Sub-packet data may be transmitted and received via a common frequency band. A cell phone may multicast to two or more peripherals via wireless communication links.

摘要翻译： 低功率无线通信技术可以用于经由无线体区域网络，无线个人区域网络或某种其他类型的无线通信链路进行通信的设备中。 在一些实现中，设备可以经由一个或多个基于脉冲的超宽带信道进行通信。 可以采用脉冲间占空比来降低器件的功耗。 可以通过根据脉冲间负载循环对电容元件进行充电和放电来为发射和接收脉冲提供功率。 可以经由公共频带发送和接收子分组数据。 蜂窝电话可以通过无线通信链路多播到两个或多个外围设备。