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    • 1. 发明授权
    • Methods and systems for assigning a wireless communication device to a carrier frequency
    • 将无线通信设备分配给载波频率的方法和系统
    • US08325648B1
    • 2012-12-04
    • US12432298
    • 2009-04-29
    • Maulik K. ShahJason P. SiggJasinder P. SinghAshish BhanAnil SinghManoj Shetty
    • Maulik K. ShahJason P. SiggJasinder P. SinghAshish BhanAnil SinghManoj Shetty
    • H04B7/185
    • H04W72/0486H04W28/08H04W72/0453
    • Methods and systems for assigning a wireless communication device to a carrier frequency are presented. In an exemplary embodiment, a radio access network (RAN) radiates to define one or more wireless coverage areas using at least two different carrier frequencies. A given wireless communication device (WCD) seeks to engage in a call, and accordingly transmits a probe message to the RAN. In response to receiving the probe message, and based at least on information associated with the probe message, the RAN determines an initial carrier frequency assignment for the given WCD. Preferably, this initial carrier frequency assignment is performed to balance load across at least some of the at least two different carrier frequencies. The RAN then transmits an indication of the carrier frequency assignment to the given WCD. The given WCD may then tune to the assigned carrier frequency and conduct communications using the assigned carrier frequency.
    • 提出了将无线通信设备分配给载波频率的方法和系统。 在示例性实施例中,使用至少两个不同的载波频率辐射无线电接入网络(RAN)以定义一个或多个无线覆盖区域。 给定的无线通信设备(WCD)试图进行呼叫,因此向RAN发送探测消息。 响应于接收到探测消息,并且至少基于与探测消息相关联的信息,RAN确定给定WCD的初始载波频率分配。 优选地,执行该初始载波频率分配以平衡至少两个不同载波频率中的至少一些的负载。 然后,RAN将载波频率分配的指示发送到给定的WCD。 然后,给定的WCD可以调谐到分配的载波频率,并使用分配的载波频率进行通信。
    • 3. 发明授权
    • Method and system for spread spectrum signal acquisition without a pilot signal
    • 没有导频信号的扩频信号采集方法和系统
    • US08576736B1
    • 2013-11-05
    • US12943141
    • 2010-11-10
    • Jason P. SiggAshish BhanMaulik K. ShahJasinder P. Singh
    • Jason P. SiggAshish BhanMaulik K. ShahJasinder P. Singh
    • H04L5/22
    • H04B1/7075H04L27/32
    • A cellular wireless communication network transmits spread spectrum signals that are spread by a pseudonoise (PN) code with any of a plurality of PN offsets, such that different coverage areas use different PN offsets. In each coverage area, the network transmits a plurality of forward link channels, each defined by a respective Walsh code, without transmitting a pilot signal. A wireless communication device (WCD) begins operating in a given coverage area and determines the PN offset used in the given coverage area by receiving a forward link signal having a Walsh code of a sync channel, paging channel, or other channel that transmits a broadcast message. The WCD selects a target bit sequence that would be expected to be included in the broadcast message. The WCD finds an effective PN offset that enables the WCD to despread the forward link signal and recover the target bit sequence.
    • 蜂窝无线通信网络发送由伪噪声(PN)码与多个PN偏移中的任何一个扩频的扩频信号,使得不同的覆盖区域使用不同的PN偏移。 在每个覆盖区域中,网络发送多个前向链路信道,每个前向链路信道各自由相应的沃尔什码定义,而不发送导频信号。 无线通信设备(WCD)开始在给定的覆盖区域中工作,并且通过接收具有同步信道的沃尔什码,寻呼信道或发送广播的其他信道的前向链路信号来确定在给定覆盖区域中使用的PN偏移 信息。 WCD选择将被预期包括在广播消息中的目标比特序列。 WCD找到有效的PN偏移,使得WCD能够解扩前向链路信号并恢复目标比特序列。
    • 4. 发明授权
    • Resource allocation based on wireless device motion specified in connection request
    • 基于连接请求中指定的无线设备运动的资源分配
    • US08521168B1
    • 2013-08-27
    • US13085893
    • 2011-04-13
    • Jason P. SiggAshish BhanMaulik K. ShahJasinder P. Singh
    • Jason P. SiggAshish BhanMaulik K. ShahJasinder P. Singh
    • H04W36/00
    • H04W28/26
    • A method and corresponding system is disclosed for enhanced resource allocation in a wireless communication system. According to the method, when an idle wireless device seeks to initiate a call in a given coverage area, the device will provide with its initiation request to the serving radio network a motion specification indicating an extent of movement of the device, based on the device's tracking of its own movement. The network will then use that motion specification provided with the initiation request as a basis to determine whether to select a resource to allocate for the call in the given coverage area based on resource implementation in at least one neighboring coverage area or whether to instead select the resource to allocate without regard to resource allocation in the at least one neighboring coverage area.
    • 公开了一种用于在无线通信系统中增强资源分配的方法和相应的系统。 根据该方法,当空闲的无线设备寻求在给定的覆盖区域内发起呼叫时,设备将根据该设备的服务向服务无线电网络提供指示设备的移动程度的运动规范 跟踪自己的运动。 然后,网络将使用提供有发起请求的运动规范作为基础,以确定是否基于至少一个相邻覆盖区域中的资源实现来选择在给定覆盖区域内为呼叫分配的资源,或者是否选择 资源,而不考虑在至少一个相邻覆盖区域中的资源分配。