Spectrum shaping using code-hopping CDMA
    11.
    发明申请
    Spectrum shaping using code-hopping CDMA 有权
    使用跳码CDMA进行频谱整形

    公开(公告)号:US20070030883A1

    公开(公告)日:2007-02-08

    申请号:US11194611

    申请日:2005-08-02

    申请人: Ali Saidi

    发明人: Ali Saidi

    IPC分类号: H04B1/713

    CPC分类号: H04J13/00 H04J13/16

    摘要: A method for spectrally shaping a communication signal is provided. The method comprises generating a plurality of spreading codes, assigning a probability to each of the plurality of spreading codes, and modulating the communication signal by hopping between the plurality of spreading codes such that a time-average proportion of time spent using any one of the plurality of spreading codes is equal to the probability assigned to that spreading code.

    摘要翻译: 提供了一种用于频谱整形通信信号的方法。 该方法包括生成多个扩展码,将概率分配给多个扩展码中的每一个,并且通过在多个扩展码之间跳跃来调制通信信号,使得使用任何一个扩展码所花费的时间平均比例 多个扩展码等于分配给该扩展码的概率。

    Scheduler of program instructions for streaming vector processor having interconnected functional units
    12.
    发明授权
    Scheduler of program instructions for streaming vector processor having interconnected functional units 失效
    具有互连功能单元的流媒体处理器的程序指令调度器

    公开(公告)号:US07140019B2

    公开(公告)日:2006-11-21

    申请号:US10184772

    申请日:2002-06-28

    IPC分类号: G06F9/50 G06F9/44

    CPC分类号: G06F8/445

    摘要: A method for scheduling a computation for execution on a computer with a number of interconnected functional units. The computation is representable by a data-flow graph with a number of nodes connected by edge. A loop-period of the computation is calculated and the nodes are scheduled for throughput by assigning an execution cycle and a functional unit to each node of the data-flow graph. The scheduling of flexible nodes is adjusted to minimize the number of interconnections required in each execution cycle. The edges of the data-flow graph are allocated to one or more of the interconnections between functional units. The scheduling method may be used, for example, to optimize the interconnection fabric design for an ASIC or as part of a compiler for a re-configurable streaming vector processor.

    摘要翻译: 一种用于在具有多个互连的功能单元的计算机上调度用于执行的计算的方法。 该计算可以由具有多个通过边缘连接的节点的数据流图形表示。 计算计算的循环周期,并通过为数据流图的每个节点分配执行周期和功能单元来调度节点的吞吐量。 调整灵活节点的调度以最小化每个执行周期中所需的互连数量。 数据流图的边缘被分配给功能单元之间的一个或多个互连。 例如,可以使用调度方法来优化ASIC的互连结构设计或作为用于可重新配置的流向量处理器的编译器的一部分。

    Memory interface with fractional addressing
    13.
    发明授权
    Memory interface with fractional addressing 失效
    具有分数寻址的存储器接口

    公开(公告)号:US06799261B2

    公开(公告)日:2004-09-28

    申请号:US10184582

    申请日:2002-06-28

    IPC分类号: G06F1200

    摘要: A memory interface device (100) providing a fractional address interface between a data processor (104) and a memory system (102) and a method for retrieving intermediate data values from a memory system using fractional addressing. The device includes an address generator (108) for generating first and second memory addresses, the first memory address being less than or equal to a specified fractional address, the second memory address being greater than or equal to the fractional address. The device also includes a memory access unit (110) coupled to the address generator (108) for retrieving first and second data values from the memory system (102) at the first and second memory addresses, respectively. The device also includes a data access unit (112) for interpolating between the first and second data values and passing the interpolated value to the data processor (104). The memory interface has application in a variety of data processing systems, including digital signal processors and streaming vector processors.

    摘要翻译: 在数据处理器(104)和存储器系统(102)之间提供分数地址接口的存储器接口设备(100)以及用于使用分数寻址从存储器系统检索中间数据值的方法。 该设备包括用于产生第一和第二存储器地址的地址发生器(108),第一存储器地址小于或等于指定的分数地址,第二存储器地址大于或等于分数地址。 该设备还包括耦合到地址发生器(108)的存储器访问单元(110),用于分别在第一和第二存储器地址处从存储器系统(102)检索第一和第二数据值。 该装置还包括用于在第一和第二数据值之间进行内插并将内插值传递给数据处理器(104)的数据访问单元(112)。 存储器接口在各种数据处理系统中具有应用,包括数字信号处理器和流媒体矢量处理器。

    Method and apparatus for fax messaging in a selective call receiver
system using multiple code-book data compression
    14.
    发明授权
    Method and apparatus for fax messaging in a selective call receiver system using multiple code-book data compression 失效
    用于使用多个代码簿数据压缩的选择性呼叫接收机系统中的传真消息的方法和装置

    公开(公告)号:US5566001A

    公开(公告)日:1996-10-15

    申请号:US286713

    申请日:1994-07-27

    IPC分类号: H04N1/00 H04N1/411 H04N1/41

    CPC分类号: H04N1/00281 H04N1/411

    摘要: A fax selective call receiver system (10) featuring compression of a fax message with an optimal one of a plurality of compression code-books (50). At least a portion (44) of a source document (26) is compressed with each of a plurality of code-books (50) and the smallest resulting data file is selected as the optimal compressed file. The compressed data file is transmitted to a selective call receiver (40) together with an index identifying the optimal code-book. The selective call receiver (40) stores each of the plurality of code-books and accesses the particular code-book for decompressing the data file on the basis of the received index. In an alternative embodiment, the fax message is divided into composing segments (SI1, SI2 and SI3) and each segment is compressed with each code-book to determine the optimal code-book for each segment.

    摘要翻译: 一种传真选择呼叫接收机系统(10),其特征在于使用多个压缩码本(50)中的最佳一个对传真消息进行压缩。 源文档(26)的至少一部分(44)用多个代码簿(50)中的每一个压缩,并且最小的结果数据文件被选择为最佳压缩文件。 压缩数据文件与识别最佳代码簿的索引一起发送到选呼接收机(40)。 选择呼叫接收器(40)存储多个码本中的每一个,并且基于接收到的索引访问特定码本以解压缩数据文件。 在替代实施例中,将传真消息分为组合片段(SI1,SI2和SI3),并且每个片段都用每个代码簿进行压缩,以确定每个片段的最佳代码簿。

    Method and apparatus for facsimile communication of first and second
type information with selective call communication systems
    15.
    发明授权
    Method and apparatus for facsimile communication of first and second type information with selective call communication systems 失效
    用于具有选择性呼叫通信系统的第一和第二类型信息的传真通信的方法和装置

    公开(公告)号:US5422733A

    公开(公告)日:1995-06-06

    申请号:US191897

    申请日:1994-02-04

    摘要: A selective call communication system (10) has a scanner (14) for retrieving information from a source document (26). The source document (26) includes a region of interest (42) formatted in at least two format regions (50, 52, 54). The at least two format regions (50, 52, 54) include a first format region (50, 52) designated for a first type information, and a second format region (54) designated for a second type information. The scanner (14) further includes an encoder (708) for encoding and compressing the information; and a modem (710), coupled to the encoder (708), for transferring the information to a selective call terminal (28). The selective call terminal (28) has a receiver (202) for receiving the information; and a processor (20), coupled to the receiver (202), for processing the information. The processor (20) further comprises a first encoder (214) for encoding and compressing the first type information according to a first encoding and compression technique; and a second encoder (224) for encoding and compressing the second type information according to a second encoding and compression technique. A transmitter (30), coupled to the processor (20), transmits the information being processed to an at least one selective call receiver (40).

    摘要翻译: 选呼通信系统(10)具有用于从源文档(26)检索信息的扫描器(14)。 源文档(26)包括以至少两个格式区域(50,52,54)格式化的感兴趣区域(42)。 所述至少两个格式区域(50,52,54)包括为第一类型信息指定的第一格式区域(50,52)以及为第二类型信息指定的第二格式区域(54)。 扫描器(14)还包括用于对信息进行编码和压缩的编码器(708) 以及耦合到所述编码器(708)的用于将所述信息传送到选择呼叫终端(28)的调制解调器(710)。 选择呼叫终端(28)具有接收信息的接收机(202) 以及耦合到所述接收器(202)的用于处理所述信息的处理器(20)。 处理器(20)还包括用于根据第一编码和压缩技术对第一类型信息进行编码和压缩的第一编码器(214) 以及用于根据第二编码和压缩技术对第二类型信息进行编码和压缩的第二编码器(224)。 耦合到处理器(20)的发射机(30)将正在处理的信息发送到至少一个选呼接收机(40)。

    METHOD AND APPARATUS FOR RESOURCE ALLOCATION
    16.
    发明申请
    METHOD AND APPARATUS FOR RESOURCE ALLOCATION 有权
    资源分配的方法和装置

    公开(公告)号:US20100111000A1

    公开(公告)日:2010-05-06

    申请号:US12264681

    申请日:2008-11-04

    IPC分类号: H04W72/04

    CPC分类号: H04W72/04 H04W84/18

    摘要: A method and apparatus for allocating resources to a node in an ad-hoc communication system is provided herein. During operation, nodes of the system will receive resource allocations from their parent node. The resource allocation comprises a portion of available resources that may vary in size. Each node will determine the resource needs for its children nodes only and then dynamically assign resources to them. The resources assigned to the children nodes comprise a portion of the resources assigned to the node by its parent node. Additionally, knowledge as to how the children further allocate resources to their own children is not known by the parent, however, the children nodes must allocate a portion of their resource to their children nodes.

    摘要翻译: 本文提供了一种用于向自组织通信系统中的节点分配资源的方法和装置。 在运行期间,系统的节点将从其父节点接收资源分配。 资源分配包括可能在大小上可能变化的可用资源的一部分。 每个节点将仅确定其子节点的资源需求,然后动态地为其分配资源。 分配给子节点的资源包括其父节点分配给节点的资源的一部分。 此外,有关孩子如何进一步向自己的孩子分配资源的知识不是父母知道的,但是,子节点必须将其资源的一部分分配给子节点。

    Method and Apparatus to Facilitate Bandwidth Allocation Management in Integral Combination with Memory Capacity Information
    17.
    发明申请
    Method and Apparatus to Facilitate Bandwidth Allocation Management in Integral Combination with Memory Capacity Information 有权
    方法和设备,以便与内存容量信息的整合组合中的带宽分配管理

    公开(公告)号:US20090042580A1

    公开(公告)日:2009-02-12

    申请号:US11835221

    申请日:2007-08-07

    IPC分类号: H04Q7/20

    CPC分类号: H04W72/1252 H04W84/18

    摘要: A method and apparatus to facilitate managing communications with at least one wireless node (102, 103) having an outbound payload memory in a severely resource-constrained wireless network (100) can provide for a coordinator node (101) for that network providing (201) information regarding remaining capacity of those outbound payload memories and then automatically using (202) that information in integral combination with a bandwidth allocation management process to control allocation of at least one wireless communication resource by which the wireless nodes can transmit items contained in the outbound payload memory.

    摘要翻译: 一种有助于管理与在严重资源受限无线网络(100)中具有出站有效负载存储器的至少一个无线节点(102,103)的通信的方法和装置可以为该网络提供(201)的协调器节点(101) )关于那些出站有效载荷存储器的剩余容量的信息,然后自动地使用(202)与带宽分配管理过程完全组合的信息来控制至少一个无线通信资源的分配,通过该信息无线节点可以发送包含在出站 有效载荷记忆

    METHOD AND APPARATUS FOR BATTERY-AWARE DYNAMIC BANDWIDTH ALLOCATION FOR GROUPS OF WIRELESS SENSOR NODES IN A WIRELESS SENSOR NETWORK
    18.
    发明申请
    METHOD AND APPARATUS FOR BATTERY-AWARE DYNAMIC BANDWIDTH ALLOCATION FOR GROUPS OF WIRELESS SENSOR NODES IN A WIRELESS SENSOR NETWORK 有权
    无线传感器网络无线传感器组的电池动态带宽分配方法与装置

    公开(公告)号:US20080211666A1

    公开(公告)日:2008-09-04

    申请号:US11681634

    申请日:2007-03-02

    IPC分类号: H04Q7/00 G08B19/00 H04B7/00

    摘要: A method and apparatus that allocates bandwidth among wireless sensor nodes in wireless sensor groups in a wireless sensor network (WSN) is disclosed. The method may include forming a plurality of wireless sensor node groups from a plurality of wireless sensor nodes based on battery levels of the wireless senor nodes, allocating transmission time slots for the wireless sensor nodes in each of the wireless sensor node groups based on at least one channel quality metric, determining average battery levels for each of the wireless sensor node groups and average battery level of all of the wireless sensor nodes, determining differences between the average battery levels of each of the wireless sensor node groups and the average battery level of all of the wireless sensor nodes, wherein if any difference in the average battery levels is above a predetermined threshold, regrouping the plurality of wireless sensor nodes according to the battery levels of the plurality wireless sensor nodes to minimize any variance in average battery level across all of the wireless sensor node groups.

    摘要翻译: 公开了一种在无线传感器网络(WSN)中的无线传感器组中的无线传感器节点之间分配带宽的方法和装置。 该方法可以包括基于无线传感器节点的电池电平从多个无线传感器节点形成多个无线传感器节点组,至少基于至少基于无线传感器节点组中的无线传感器节点组中的无线传感器节点分配传输时隙 单通道质量度量,确定每个无线传感器节点组的平均电池电量和所有无线传感器节点的平均电池电量,确定每个无线传感器节点组的平均电池电量与平均电池电量之间的差异 所有无线传感器节点,其中如果平均电池电平中的任何差异高于预定阈值,则根据多个无线传感器节点的电池电平重新分组多个无线传感器节点,以最小化所有的平均电池电平的任何差异 的无线传感器节点组。

    METHOD AND SYSTEM FOR GAS LEAK DETECTION AND LOCALIZATION
    19.
    发明申请
    METHOD AND SYSTEM FOR GAS LEAK DETECTION AND LOCALIZATION 审中-公开
    用于气体泄漏检测和局部化的方法和系统

    公开(公告)号:US20080168826A1

    公开(公告)日:2008-07-17

    申请号:US11623892

    申请日:2007-01-17

    IPC分类号: G01M3/04

    CPC分类号: G01M3/20

    摘要: A system includes a first gas sensor [110] to detect a first concentration of a predetermined gas and to determine a first rate of change in the first concentration over a time interval. A second gas sensor [115] detects a second concentration of the predetermined gas and determines a second rate of change in the second concentration over the time interval. A third gas sensor [120] detects a third concentration of the predetermined gas and determines a third rate of change in the third concentration over the time interval. The first, second, and third gas sensors each have a known location. At least one processing device [510] (a) determines respective distances between a gas leak location and the respective locations of the gas sensors based on the detected rates of change, and (b) calculates a location of the gas leak based on a triangulation of the first distance, the second distance, and the third distance.

    摘要翻译: 系统包括:第一气体传感器[110],用于检测预定气体的第一浓度,并确定在一段时间间隔内第一浓度的第一变化率。 第二气体传感器检测预定气体的第二浓度,并确定在该时间间隔内的第二浓度的第二变化率。 第三气体传感器检测预定气体的第三浓度,并确定在该时间间隔内第三浓度的第三变化率。 第一,第二和第三气体传感器各自具有已知的位置。 至少一个处理装置(a)基于检测到的变化率来确定气体泄漏位置和气体传感器的相应位置之间的相应距离,以及(b)基于三角测量计算气体泄漏的位置 的第一距离,第二距离和第三距离。

    Electronic greeting card store and communication system
    20.
    发明授权
    Electronic greeting card store and communication system 失效
    电子贺卡存储和通讯系统

    公开(公告)号:US5426594A

    公开(公告)日:1995-06-20

    申请号:US42193

    申请日:1993-04-02

    IPC分类号: H04L12/58 H04W88/18 G08B5/22

    摘要: An electronic greeting card communication system (100) includes a first personal communicator (102), an electronic mail server (136), and a second personal communicator (102). The first personal communicator accepts off-line selection of an electronic greeting card from a user (502), and then transmits a request message corresponding to the off-line selection. The electronic mail server (136) receives the request message and then wireless transmits an electronic greeting card message to the second personal communicator (102) and updates billing information (620) for billing the user of the first personal communicator (102). The second personal communicator (102) selectively receives the wireless transmitted electronic greeting card message and presents it to a user.

    摘要翻译: 电子贺卡通信系统(100)包括第一个人通信器(102),电子邮件服务器(136)和第二个人通信器(102)。 第一个个人通信器接受用户离线选择电子贺卡(502),然后发送与离线选择相对应的请求消息。 电子邮件服务器(136)接收请求消息,然后无线地将电子贺卡消息发送到第二个人通信器(102),并更新用于计费第一个人通信器(102)的用户的计费信息(620)。 第二个人通信器102选择性地接收无线发送的电子贺卡消息并将其呈现给用户。