公开(公告)号：US5748104A

公开(公告)日：1998-05-05

申请号：US682819

申请日：1996-07-11

申请人： Panayotis Argyroudis ,  Gwain Bayley ,  Matthew S. Grob ,  Marc Phillips ,  Samir S. Soliman

发明人： Panayotis Argyroudis ,  Gwain Bayley ,  Matthew S. Grob ,  Marc Phillips ,  Samir S. Soliman

IPC分类号： G08C17/02 ,  H04Q7/38 ,  G08C19/04

CPC分类号： G08C17/02 ,  H04Q9/00 ,  H04Q2209/50 ,  H04Q2209/60

摘要： A wireless remote telemetry system which uses low-cost remote communication devices operating on existing wireless communication systems in order to provide real-time reading and control of remote devices. In an embodiment applicable to utility service, consumption of electrical power among a population of customers is measured by a utility metering system having a wireless communication capability. The metering system comprises a remote metering unit which communicates with a central controller over existing wireless communication systems, such as cellular base stations, using existing communication standards. The remote metering unit transmits various messages over a shared random access channel to a central controller. The central controller transmits messages to the remote metering unit over a paging channel. The remote metering unit may operate in a half-duplex mode only. Furthermore, the remote metering unit may provide a gateway to advanced consumer services at the remote location.

摘要翻译： 一种无线远程遥测系统，其使用在现有无线通信系统上操作的低成本远程通信设备，以便提供远程设备的实时读取和控制。 在适用于公共事业服务的实施例中，通过具有无线通信能力的公用事业计量系统来测量一组客户的电力消耗。 计量系统包括远程计量单元，其使用现有的通信标准，通过现有的无线通信系统（例如蜂窝基站）与中央控制器进行通信。 远程计量单元通过共享随机接入信道向中央控制器发送各种消息。 中央控制器通过寻呼信道向远程计量单元发送消息。 远程计量单元只能以半双工模式运行。 此外，远程计量单元可以向远程位置处的高级消费者服务提供网关。

公开(公告)号：US5892758A

公开(公告)日：1999-04-06

申请号：US722758

申请日：1996-09-27

申请人： Panayotis Argyroudis

发明人： Panayotis Argyroudis

IPC分类号： G08C17/02 ,  H04Q7/38 ,  H04B7/216

CPC分类号： G08C17/02 ,  H04Q9/00 ,  H04Q2209/50 ,  H04Q2209/60

摘要： A concentrated subscriber wireless remote telemetry system which uses low-cost remote communication devices operating on existing wireless communication systems in order to provide real-time reading and control of remote devices. The metering system comprises at least one powerline remote metering device which collects and forwards telemetry data to an associated wireless remote telemetry device. The wireless remote telemetry device relays the telemetry data to a central controller over existing wireless communication systems, such as cellular base stations, using existing communication standards. The wireless remote metering device transmits various messages over a shared random access channel to the central controller. The central controller transmits messages to the wireless remote metering unit over a paging channel. The wireless remote metering unit may operate in a half-duplex mode only. Furthermore, the wireless remote metering unit may provide a gateway to advanced consumer services at the remote location.

摘要翻译： 集中用户无线远程遥测系统，其使用在现有无线通信系统上操作的低成本远程通信设备，以便提供远程设备的实时读取和控制。 计量系统包括至少一个电力线远程计量装置，其将遥测数据收集并转发到相关联的无线远程遥测装置。 无线远程遥测设备使用现有的通信标准，将遥测数据中继到现有无线通信系统（例如蜂窝基站）上的中央控制器。 无线远程计量装置通过共享随机接入信道向中央控制器发送各种消息。 中央控制器通过寻呼信道向无线远程计量单元发送消息。 无线远程计量单元可以仅在半双工模式下操作。 此外，无线远程计量单元可以向远程位置处的高级消费者服务提供网关。

公开(公告)号：US6023717A

公开(公告)日：2000-02-08

申请号：US741231

申请日：1996-10-30

申请人： Panayotis Argyroudis

发明人： Panayotis Argyroudis

IPC分类号： H03H17/02 ,  G06F17/10

CPC分类号： H03H17/0275

摘要： A discrete polyphase digital filter is provided having only a single multiplier and a single cumulative adder for use in a mobile telephone. In one implementation, the filter is a discrete N-phase digital filter including an input line providing an input signal and a group of M delay elements connected to the input line for generating M successively delayed versions of the input signal. A coefficient memory unit is provided for storing M filter coefficients. A multiplier is connected to outputs of the delay elements and to the coefficient memory for multiplying the output of each successive delay element with a corresponding coefficient. A cumulative adder is also provided for summing M successive outputs from the multiplier to provide a single, filtered output signal for each group of M input signals. The multiplier and adder are operated at a rate of M/N times a frequency of the input signal to thereby provide one output signal for every N input signals. By implementing the filter with a single multiplier and a single cumulative adder, a separate multiplier and adder need not provided along with each delay element of each row of the filter. Hence, a considerable savings in circuit area is achieved while also gaining the power savings of a polyphase filter. A specific implementation wherein N is 3 and M is 14 is described.

摘要翻译： 提供了一个独立的多相数字滤波器，其中只有一个乘法器和一个用于移动电话的单个累积加法器。 在一个实现中，滤波器是离散N相数字滤波器，包括提供输入信号的输入线和连接到输入线的一组M个延迟元件，用于产生M个连续延迟的输入信号。 系数存储单元用于存储M个滤波器系数。 乘法器连接到延迟元件的输出端和系数存储器，用于将每个连续延迟元件的输出与相应的系数相乘。 还提供累加加法器，用于对来自乘法器的M个连续输出求和，以为每组M个输入信号提供单个滤波的输出信号。 乘法器和加法器以输入信号的频率的M / N倍的速率操作，从而为每N个输入信号提供一个输出信号。 通过用单个乘法器和单个累积加法器实现滤波器，不需要与滤波器的每行的每个延迟元件一起提供单独的乘法器和加法器。 因此，在获得多相滤波器的功率节省的同时，实现了电路面积的显着节省。 对N为3，M为14的具体实施方式进行说明。