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    • 3. 发明授权
    • Split ciphering
    • 分割加密
    • US08831683B2
    • 2014-09-09
    • US13492490
    • 2012-06-08
    • Christopher PudneyDavid FoxPeter Howard
    • Christopher PudneyDavid FoxPeter Howard
    • H04M1/00H04W88/08H04W88/10H04W12/04H04W12/06H04W60/00H04W76/02H04L29/06
    • H04W88/085H04L63/06H04L63/065H04L63/0853H04L2463/061H04W12/04H04W12/06H04W60/00H04W76/10H04W76/16H04W88/08H04W88/10H04W88/16
    • A mobile telecommunications network and method of operation that includes establishing a first user plane connection between a telecommunications device registered with the network and a network gateway device of the network via a first access point; providing the telecommunications device with a token using the first user plane connection; establishing a second user plane connection between the telecommunications device and the network gateway device via a second access point by using the token information to validate the telecommunications device; and, subsequent to establishment of and corresponding to the second user plane connection, establishing a control plane connection between the telecommunications device and the network gateway device via the second access point. The token includes information indicative to the network that the telecommunications device has authorization to send a quantity of data to the network gateway device prior to full conventional authentication of the telecommunications device.
    • 一种移动电信网络和操作方法,包括经由第一接入点建立在网络注册的电信设备和网络网关设备之间的第一用户平面连接; 向所述电信设备提供使用所述第一用户平面连接的令牌; 通过使用令牌信息来验证电信设备,经由第二接入点在电信设备和网络网关设备之间建立第二用户平面连接; 并且在建立并对应于第二用户平面连接之后,经由第二接入点在电信设备和网络网关设备之间建立控制平面连接。 令牌包括指示网络的信息,电信设备在电信设备的完全常规认证之前具有向网络网关设备发送数量的数据的授权。
    • 4. 发明授权
    • Telecommunications networks
    • 电信网络
    • US08644837B2
    • 2014-02-04
    • US13315422
    • 2011-12-09
    • David FoxYoussef Chami
    • David FoxYoussef Chami
    • H04W40/00
    • H04W36/245
    • A mobile telecommunications network includes a plurality of terminals, a core and a radio access network having a radio device for providing wireless communication resources to the terminals. Further provided is a processing device for recording information indicative of a movement cycle of at least one of the terminals through the radio access network and for identifying points within the movement cycle at which there are spare communication resources to provide a list of spare resource points to the terminal to enable the prediction of optimal data transfer points during a subsequent movement cycle of the terminal through the radio access network.
    • 移动电信网络包括多个终端,核心和无线电接入网络,其具有用于向终端提供无线通信资源的无线电设备。 还提供了一种处理装置,用于通过无线电接入网络记录指示至少一个终端的移动周期的信息,并且用于识别移动周期内的具有备用通信资源的点以提供备用资源点列表 该终端能够在通过无线电接入网络的终端的后续移动周期期间预测最佳数据传送点。
    • 5. 发明授权
    • Mobility management in telecommunication systems
    • 电信系统中的移动管理
    • US08428029B2
    • 2013-04-23
    • US12311415
    • 2007-10-02
    • David FoxChristopher David PudneyTimothy Frost
    • David FoxChristopher David PudneyTimothy Frost
    • H04Q7/00
    • H04W60/00H04W8/08H04W36/32
    • A mobile telecommunications network includes a core network and a plurality of eNode Bs. A mobile terminal communicates with the core network via one of the eNode Bs. In an embodiment, when the mobile terminal is in a connected state and there is a pause in data transfer, during which the mobile terminal is handed over from one eNode B to another eNode B, the first eNode B informs the new eNode B of the pause in data transmission so that an optimal length of the pause in data transmission can be maintained before the idle state is entered. In another embodiment, an element of the telecommunications network stores a history of movement of the mobile terminal and passes this to a new eNode B. In another embodiment, when handover occurs, the first eNode B provides the new eNode B with radio quality information relating to the mobile terminal.
    • 移动电信网络包括核心网络和多个eNode B。 移动终端经由eNode B之一与核心网络进行通信。 在一个实施例中,当移动终端处于连接状态并且在数据传输中存在暂停时,在此期间移动终端从一个eNode B切换到另一个eNode B,第一eNode B向新的eNode B通知 暂停数据传输,使得在进入空闲状态之前可以维持数据传输中的暂停的最佳长度。 在另一个实施例中,电信网络的元件存储移动终端的移动历史并将其传递给新的eNode B.在另一个实施例中,当切换发生时,第一eNode B向新的eNode B提供有关的无线电质量信息 到移动终端。
    • 6. 发明授权
    • System and method for detecting burst noise during quadrature amplitude modulation communications
    • 用于在正交调幅通信期间检测脉冲串噪声的系统和方法
    • US08306166B1
    • 2012-11-06
    • US13351699
    • 2012-01-17
    • David Fox
    • David Fox
    • H03D1/06
    • H04L27/38
    • A system and method for detecting burst noise during quadrature amplitude modulation (QAM) communications are provided. A QAM signal is acquired at a receiver in communication with a network. The QAM signal is demodulated at the receiver to identify a plurality of symbols. Amplitudes for each of the plurality of symbols are determined, and are compared to a predetermined threshold. For each amplitude that is greater than the predetermined threshold, information is recorded at the receiver relating to a burst noise event. The magnitude of the burst noise can be determined by measuring a difference between a received constellation point and a perimeter constellation point closest to the received constellation point. The information about the burst noise event can be transmitted to an error correction module for reducing future burst noise in the network. Equalizer coefficients and tracking loop performance can be adjusted/enhanced using the burst noise information.
    • 提供了用于在正交幅度调制(QAM)通信期间检测突发噪声的系统和方法。 在与网络通信的接收机处获取QAM信号。 在接收机处解调QAM信号以识别多个符号。 确定多个符号中的每一个的幅度,并将其与预定阈值进行比较。 对于大于预定阈值的每个幅度,信息被记录在与突发噪声事件有关的接收机处。 可以通过测量接收到的星座点与最接近的星座点的周边星座点之间的差异来确定突发噪声的幅度。 关于突发噪声事件的信息可以被发送到纠错模块,以减少网络中未来的突发噪声。 可以使用突发噪声信息来调整/增强均衡器系数和跟踪环路性能。
    • 7. 发明授权
    • EHSPA architecture
    • EHSPA架构
    • US08107407B2
    • 2012-01-31
    • US12225203
    • 2007-03-16
    • Tim FrostDavid FoxGavin Wong
    • Tim FrostDavid FoxGavin Wong
    • H04H20/71H04W4/00H04L12/28H04L12/56
    • H04W72/005H04L12/189H04W76/40H04W80/04H04W88/12H04W92/12
    • A system and method for use in a telecommunications network may utilize Multimedia Broadcast Multicast Services (MBMS), specifically, a Universal Mobile Telecommunications System (UMTS) or a Long Term Evolution (LTE) network may utilize MBMS and eHSPA technology. IP multicast connections directly between the eHSPA Node Bs and an IP address are utilized to reduce the amount of transport bearers that need to be established. Further, the RNC functionality for setting up an MBMS communication is divided between the eHSPA Node Bs and a legacy RNC, utilized as a CRNC. In particular, this arrangement enables the user plane to be effectively established from the enhanced node B, whilst still allowing the second RNC to have control of the control plane decisions. This therefore also allows the resources used in establishing the MBMS communication to be minimized.
    • 用于电信网络的系统和方法可以利用多媒体广播多播服务(MBMS),具体地,通用移动电信系统(UMTS)或长期演进(LTE)网络可以利用MBMS和eHSPA技术。 利用eHSPA节点B和IP地址之间的IP组播连接来减少需要建立的传输承载量。 此外,用于建立MBMS通信的RNC功能在eHSPA节点B和用作CRNC的传统RNC之间划分。 特别地,这种布置使得能够从增强节点B有效地建立用户平面,同时仍然允许第二RNC控制控制平面决策。 因此,也可以使建立MBMS通信所使用的资源最小化。
    • 8. 发明申请
    • HSPA Evolution Architecture
    • HSPA演进架构
    • US20100260099A1
    • 2010-10-14
    • US12308310
    • 2007-06-12
    • Timothy FrostDavid FoxGavin WongChristopher David Pudney
    • Timothy FrostDavid FoxGavin WongChristopher David Pudney
    • H04W72/00
    • H04W36/0022H04W76/12H04W92/12H04W92/16
    • A telecommunications network, including an evolved base station node having a node controller and a first radio network controller (RNC), the node controller configured to communicate with user terminals, and the first radio network controller configured to communicate with a packet switched component of a core network, but not with a circuit switched component, may further include a second RNC that communicates with the node controller and also communicates with the packet switched component of the core network and a circuit switched component. A method of establishing communication between a user terminal and the core network via the second RNC, when the user terminal has a control plane connection with the evolved base station node, such that the first RNC is the serving RNC (SRNC), may include tunnelling communication set up messages over the control plane between the node controller and the core network via the second RNC.
    • 一种电信网络,包括具有节点控制器和第一无线电网络控制器(RNC)的演进基站节点,所述节点控制器被配置为与用户终端进行通信,所述第一无线电网络控制器被配置为与第一无线电网络控制器 核心网络而不是电路交换组件可以进一步包括与节点控制器进行通信并且还与核心网络的分组交换组件和电路交换组件进行通信的第二RNC。 一种当用户终端与演进的基站节点具有控制平面连接时,通过第二RNC建立用户终端与核心网之间的通信的方法,使得第一RNC是服务RNC(SRNC),可以包括隧道 通过第二RNC通过节点控制器和核心网络之间的控制平面建立消息。
    • 10. 发明申请
    • Pulsed power supply with current ripple reduction
    • 脉冲电源,电流纹波降低
    • US20070090693A1
    • 2007-04-26
    • US11258263
    • 2005-10-25
    • David Fox
    • David Fox
    • H02J3/00
    • H02M1/14H02M3/285H02M2001/008Y10T307/25Y10T307/469Y10T307/484
    • A pulsed power source minimizes current ripple disturbance in a main power supply by dividing the pulsed load into a plurality of pulsed sub-loads. The pulsed power source includes a plurality of pulsed load power supplies, each pulsed load power supply receiving charging power from the main power supply and providing pulsed energy to one of the plurality of pulsed sub-loads. Pulsed energy delivered to each of the plurality of pulsed sub-loads is out of phase with the other pulsed sub-loads, resulting in the input current provided by the main power supply having a reduced current ripple magnitude and increased current ripple frequency.
    • 脉冲电源通过将脉冲负载分成多个脉冲子负载来最小化主电源中的电流纹波干扰。 脉冲电源包括多个脉冲负载电源,每个脉冲负载电源接收来自主电源的充电电力,并向多个脉冲子负载之​​一提供脉冲能量。 输送到多个脉冲子负载中的每一个的脉冲能量与其他脉冲子负载异相,导致由主电源提供的输入电流具有减小的电流纹波幅度和增加的电流纹波频率。