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公开(公告)号:US07280853B2
公开(公告)日:2007-10-09
申请号:US11012814
申请日:2004-12-15
IPC分类号: H04B1/38
CPC分类号: H04W52/0283 , Y02D70/142 , Y02D70/144 , Y02D70/22
摘要: A network node selects a “sleep” level based on its current or projected battery capacity. In an embodiment of the invention, sleep levels define the types of communication to which the node in question will be a party. The node in question communicates its selected sleep level to the rest of the network so that the other network nodes can communicate accordingly with the node.
摘要翻译: 网络节点根据其当前或预计的电池容量来选择“睡眠”电平。 在本发明的一个实施例中,睡眠级别定义所讨论的节点将成为一方的通信类型。 所讨论的节点将其选择的睡眠级别通信到网络的其余部分,使得其他网络节点可以相应地与节点通信。
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公开(公告)号:US08014468B2
公开(公告)日:2011-09-06
申请号:US11012815
申请日:2004-12-15
申请人: Amer A. Hassan , Jenelle R. Coberly
发明人: Amer A. Hassan , Jenelle R. Coberly
IPC分类号: H04L27/20
CPC分类号: H04L27/28 , H04B1/71637
摘要: The receiver portion of a UWB wireless device is altered by replacing analog-to-digital circuitry with a simple energy detection circuit. In embodiments of the invention, the coding methodology of a transmitter is altered to support the simplified receiver configuration. For example, instead of coding the data to be sent in the phase of the UWB signal, the data is encoded in a binary fashion in discrete frequency subbands of the UWB signal. Although this may reduce the usable bandwidth of the channel, it also decreases the complexity and power consumption of UWB devices. In another embodiment of the invention, a UWB device is able to select a transmission mode (BPSK or Energy Coding) based on its environment. Moreover, in a further embodiment of the invention, receiving devices may switch between coding modes based on the capabilities of a remote transmitter and/or a peer receiver.
摘要翻译: 通过用简单的能量检测电路代替模拟数字电路来改变UWB无线设备的接收机部分。 在本发明的实施例中,改变发射机的编码方法以支持简化的接收机配置。 例如,不是以UWB信号的相位对要发送的数据进行编码,而是以UWB信号的离散频率子带中的二进制形式对数据进行编码。 尽管这可能降低了信道的可用带宽,但也降低了UWB设备的复杂性和功耗。 在本发明的另一实施例中,UWB设备能够基于其环境来选择传输模式(BPSK或能量编码)。 此外,在本发明的另一实施例中,接收设备可以基于远程发射机和/或对等接收机的能力在编码模式之间切换。
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公开(公告)号:US07689843B2
公开(公告)日:2010-03-30
申请号:US11012808
申请日:2004-12-15
申请人: Amer A. Hassan , Jenelle R. Coberly
发明人: Amer A. Hassan , Jenelle R. Coberly
IPC分类号: G06F1/32
CPC分类号: G06F1/3203 , H04L12/12 , H04W52/0261 , H04W84/18 , Y02D70/142 , Y02D70/144 , Y02D70/22
摘要: A network node selects a “sleep” level based on its current or projected battery capacity. In an embodiment of the invention, sleep levels define the physical radius within which the wireless network node will engage other devices. The node in question communicates its selected sleep level to the rest of the network so that the other network nodes can communicate accordingly with the node.
摘要翻译: 网络节点根据其当前或预计的电池容量来选择“睡眠”电平。 在本发明的实施例中,睡眠级别定义无线网络节点将与其他设备接合的物理半径。 所讨论的节点将其选择的睡眠级别通信到网络的其余部分,使得其他网络节点可以相应地与节点通信。
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公开(公告)号:US08787470B2
公开(公告)日:2014-07-22
申请号:US13182357
申请日:2011-07-13
申请人: Amer A. Hassan , Jenelle R. Coberly
发明人: Amer A. Hassan , Jenelle R. Coberly
CPC分类号: H04L27/28 , H04B1/71637
摘要: The receiver portion of a UWB wireless device is altered by replacing analog-to-digital circuitry with a simple energy detection circuit. In embodiments, the coding methodology of a transmitter is altered to support the simplified receiver configuration. For example, instead of coding the data to be sent in the phase of the UWB signal, the data is encoded in a binary fashion in discrete frequency subbands of the UWB signal. Although this may reduce the usable bandwidth of the channel, it also decreases the complexity and power consumption of UWB devices. In one or more embodiments, a UWB device is able to select a transmission mode (BPSK or Energy Coding) based on its environment. Moreover, in one or more embodiments, receiving devices may switch between coding modes based on the capabilities of a remote transmitter and/or a peer receiver.
摘要翻译: 通过用简单的能量检测电路代替模拟数字电路来改变UWB无线设备的接收机部分。 在实施例中,发射机的编码方法被改变以支持简化的接收机配置。 例如,不是以UWB信号的相位对要发送的数据进行编码,而是以UWB信号的离散频率子带中的二进制形式对数据进行编码。 尽管这可能降低了信道的可用带宽,但也降低了UWB设备的复杂性和功耗。 在一个或多个实施例中,UWB设备能够基于其环境来选择传输模式(BPSK或能量编码)。 此外,在一个或多个实施例中,接收设备可以基于远程发射机和/或对等接收机的能力在编码模式之间切换。
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公开(公告)号:US20110268157A1
公开(公告)日:2011-11-03
申请号:US13182357
申请日:2011-07-13
申请人: Amer A. Hassan , Jenelle R. Coberly
发明人: Amer A. Hassan , Jenelle R. Coberly
IPC分类号: H04B1/00
CPC分类号: H04L27/28 , H04B1/71637
摘要: The receiver portion of a UWB wireless device is altered by replacing analog-to-digital circuitry with a simple energy detection circuit. In embodiments, the coding methodology of a transmitter is altered to support the simplified receiver configuration. For example, instead of coding the data to be sent in the phase of the UWB signal, the data is encoded in a binary fashion in discrete frequency subbands of the UWB signal. Although this may reduce the usable bandwidth of the channel, it also decreases the complexity and power consumption of UWB devices. In one or more embodiments, a UWB device is able to select a transmission mode (BPSK or Energy Coding) based on its environment. Moreover, in one or more embodiments, receiving devices may switch between coding modes based on the capabilities of a remote transmitter and/or a peer receiver.
摘要翻译: 通过用简单的能量检测电路代替模拟数字电路来改变UWB无线设备的接收机部分。 在实施例中,发射机的编码方法被改变以支持简化的接收机配置。 例如,不是以UWB信号的相位对要发送的数据进行编码,而是以UWB信号的离散频率子带中的二进制形式对数据进行编码。 尽管这可能降低了信道的可用带宽,但也降低了UWB设备的复杂性和功耗。 在一个或多个实施例中,UWB设备能够基于其环境来选择传输模式(BPSK或能量编码)。 此外,在一个或多个实施例中,接收设备可以基于远程发射机和/或对等接收机的能力在编码模式之间切换。
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