公开(公告)号：EP1031193B1

公开(公告)日：2003-04-02

申请号：EP98957047.8

申请日：1998-11-13

申请人： Northern Telecom Limited

发明人： BASSIRAT, Farhad

IPC分类号： H04B7/26

CPC分类号： H04W52/24

公开(公告)号：EP1040626A1

公开(公告)日：2000-10-04

申请号：EP98954652.8

申请日：1998-11-25

申请人： Northern Telecom Limited

发明人： TELLO, Antonio, G. ,  MELKILD, Keith

IPC分类号： H04L12/58 ,  H04Q3/00

CPC分类号： H04Q3/005 ,  H04L29/06 ,  H04L51/28 ,  H04L51/30

摘要： A method and apparatus for e-mail address portability are provided. A service control point (SCP, 200) on the Internet comprises an e-mail address database (202) and a transaction processing object. The e-mail address database (202) has at least a well-known-address field (204) for storing a well-known address value and a literal address field (206) for storing a literal address value that corresponds to the well-known-address value. The transaction processing object, when called with an address translation request, accesses the e-mail address database (202). The address translation request has a well-known address value which is translated to the corresponding literal address value. After the translation, the transaction processing object returns the corresponding literal address value to the calling routine.

公开(公告)号：EP0851707A3

公开(公告)日：1999-12-29

申请号：EP97310567.9

申请日：1997-12-23

申请人： NORTHERN TELECOM LIMITED

发明人： Reaves, James Edwin

IPC分类号： H04Q11/04 ,  H04L12/56

CPC分类号： H04L61/2007 ,  H04L29/12018 ,  H04L29/12216 ,  H04L61/10 ,  H04L2012/5619 ,  H04L2012/5626 ,  H04L2012/5645 ,  H04L2012/5652 ,  H04L2012/5667 ,  H04L2012/5685 ,  H04Q11/0478

摘要： An ATM switched network has an ATM switch, an address server, and a plurality of nodes connected through virtual connections established by the ATM switch. When a node fails and is replaced, the ATM switch recognizes the installation of the node and notifies the address server. The address server selects an ATM address for the replacement node and sends the ATM address and an Internet Protocol (IP) address to the node. The node responds by requesting configuration data, which the address server downloads to the node. Thereafter, the node may initialize its communication interfaces within the ATM network. The address server also assigns ATM and IP addresses to network nodes following power-up of the network. Nodes are assigned an ATM address and an IP address by the address server, thereby eliminating the need to configure nodes with addressing information during manufacture or installation.

公开(公告)号：EP0961520A2

公开(公告)日：1999-12-01

申请号：EP99303381.0

申请日：1999-04-29

申请人： Northern Telecom Limited

发明人： Bernstein, Greg M. ,  Desai, Premal ,  Gullicksen, Jeffrey T.

IPC分类号： H04Q11/04

CPC分类号： H04Q11/0478 ,  H04L12/64 ,  H04L2012/5621 ,  H04L2012/5663

摘要： A method and apparatus for efficiently transporting DS-X traffic in packet form over an ATM or other packet network. Specifically, virtual connection or slot provisioning and/or cell concentration techniques are used to compact the amount of DS-X traffic broadcast between communications system devices such as the access mux and the communications switch and spare bandwidth. In provisioning, a configured DS-X loading of an end node supporting DS-X traffic is ascertained. In turn, a minimum number of virtual connections for bearing packetized DS-X traffic are established, either at communications system configuration or as needed. In concentration processing, a dynamic association between the virtual connections and the DS-X traffic is established, typically on a per frame basis. Only those digital channels entering the node within a given time frame which actually bear DS-X traffic will be assigned a slot within packet. Concentration may be augmented by provisioning to further reduce bandwidth requirements. In other disclosed aspects, permanent virtual channels or PNNI soft permanent virtual connections may be used for the virtual connections where ATM is chosen as the transport protocol.

摘要翻译： 一种用于通过ATM或其他分组网络以分组形式有效地传送DS-X业务的方法和装置。 具体地，使用虚拟连接或时隙供应和/或小区集中技术来压缩诸如接入复用器和通信交换机的通信系统设备之间的DS-X业务广播量以及备用带宽。 在配置中，确定支持DS-X流量的端点节点的配置的DS-X加载。 反过来，在通信系统配置或根据需要建立用于承载分组化DS-X流量的最小数量的虚拟连接。 在集中处理中，通常以每帧为基础，建立虚拟连接和DS-X流量之间的动态关联。 只有在给定时间段内进入节点的那些实际承载DS-X流量的数字信道才会在分组内分配一个时隙。 可以通过配置来增加集中度，以进一步减少带宽需求。 在其他公开的方面，永久虚拟信道或PNNI软永久虚拟连接可以用于选择ATM作为传输协议的虚拟连接。

公开(公告)号：EP0854379A3

公开(公告)日：1999-10-27

申请号：EP97309353.7

申请日：1997-11-20

申请人： NORTHERN TELECOM LIMITED

发明人： Kim, Byron Roberts

IPC分类号： G02F1/35 ,  H04B10/17 ,  H04L7/00

CPC分类号： H04B10/299 ,  G02F1/3517 ,  G02F2/004 ,  G02F2203/70 ,  H04B10/2914 ,  H04J14/08 ,  H04L7/0075 ,  H04L7/033 ,  H04L7/0337

摘要： Optical timing detection, for phase comparison of optical signals, or clock recovery is achieved by arranging an interferometer to be responsible to data transitions. A pulse train is fed into both arms of the interferometer. An optical amplifier (20) enables the interference condition to be changed when the data is fed into one arm. The output changed if the data transitions lose synchronisation with the pulse train.

公开(公告)号：EP0847213A3

公开(公告)日：1999-10-20

申请号：EP97306921.4

申请日：1997-09-05

申请人： NORTHERN TELECOM LIMITED

发明人： Clark, Timothy Ian James ,  Smith, George David

IPC分类号： H04Q7/36

CPC分类号： H04W16/18 ,  H04W28/16

摘要： The disclosure relates to wireless networks, and particularly a method and apparatus for assigning carrier frequencies to base station antenna sites. Base stations are represented as a matrix of interconnected nodes and links, the nodes representing carrier frequency sites and the links being dimensioned in accordance with disallowed frequency slots. A first algorithm is used to assign carrier frequencies to the carrier frequency sites in a non-interfering manner resulting in a partial frequency assignment plan (3309). A second algorithm assigns carrier frequencies to the remaining vacant carrier sites in a manner which seeks to minimise the amount of interference. The order in which the carrier sites are assigned carrier frequencies is determined by either a random ordering, an order generated by simulated annealing, or an ordering generated by a genetic algorithm. A quality measure is generated from the resultant frequency plan (3411) and is used to modify the order in which the frequencies are assigned to carrier site nodes in subsequent iterations.

公开(公告)号：EP0899718A3

公开(公告)日：1999-10-13

申请号：EP98202812.8

申请日：1998-08-21

申请人： NORTHERN TELECOM LIMITED

发明人： Mermelstein, Paul

IPC分类号： G10L3/02

CPC分类号： G10L21/0208 ,  G10L19/04 ,  G10L21/0364

摘要： The invention relates to a linear prediction audio signal processing apparatus, such as a vocoder, including a nonlinear filter to attenuate the residual signal used to excite a linear prediction synthesis filter. The nonlinear filter is capable of reducing the noise component in the signal while keeping only the periodic component of the speech signal. This feature enhances speech quality. The invention also extends to a novel method for processing a residual signal used to excite a linear prediction synthesis filter in order to attenuate wide band additive noise in the speech signal as constructed by the synthesis filter.

公开(公告)号：EP0863638A3

公开(公告)日：1999-09-29

申请号：EP97310271.8

申请日：1997-12-18

申请人： NORTHERN TELECOM LIMITED

发明人： Burn-Thornton, Kathryn Elizabeth ,  Riches, David Stephen ,  Tansley, Dennis Stewart William

IPC分类号： H04L12/24

CPC分类号： H04L43/00 ,  H04L43/065 ,  H04L43/0811 ,  H04L43/0829 ,  H04L43/0852 ,  H04L43/087 ,  H04L43/0888 ,  H04L43/0894 ,  H04L2012/5626 ,  H04Q11/0478

摘要： A data monitoring apparatus for monitoring a communications network comprises a processor; a data storage medium; a graphical user interface; a plurality of communications ports for communicating with network elements, eg switches, cross-connects; a data visualization module; a navigation engine module for searching data; a data extraction engine module for accessing and obtaining data for data sources including the data storage medium and said network elements; a task engine module for filtering a search of data, a graph engine module for preparing data into graphical format, a module for controlling the other modules and an intelligent help module to guide a user of the apparatus. A management information base stores a network model data and technology model data which is arranged in the data visualizer module into a three dimensional data space. Network elements are represented at discrete data locations within a 3D data space of the data storage medium.

摘要翻译： 一种用于监视通信网络的数据监视装置包括处理器; 数据存储介质; 图形用户界面; 用于与网络元件通信的多个通信端口，例如交换机，交叉连接; 数据可视化模块; 用于搜索数据的导航引擎模块; 数据提取引擎模块，用于访问和获取包括数据存储介质和所述网络元件的数据源的数据; 用于过滤数据搜索的任务引擎模块，用于以图形格式准备数据的图形引擎模块，用于控制其他模块的模块和用于引导设备的用户的智能帮助模块。 管理信息库将布置在数据可视化模块中的网络模型数据和技术模型数据存储为三维数据空间。 网络元件在数据存储介质的3D数据空间内的离散数据位置处被表示。

公开(公告)号：EP0901129A3

公开(公告)日：1999-08-04

申请号：EP98202006.7

申请日：1998-06-16

申请人： NORTHERN TELECOM LIMITED

发明人： Schultz, Kenneth James ,  Shafai, Farhad ,  Gibson, Garnet Frederick Randall

IPC分类号： G11C15/00

CPC分类号： G11C15/00

摘要： A system includes a plurality of content addressable memory (CAM) arrays which are cascaded. The CAM arrays are connected to a commonly shared bus. Each of the arrays provides search results (hit, match address and multiple match). A hit signal is propagated from array to array. The hit result of the system in search operation is given from the furthest down stream array. The match address result of the system is given from the commonly shared bus. Self-timed signal generated by logic local to each array prevents the occurrence of driving contentions onto the commonly shared bus.

公开(公告)号：EP0817522A3

公开(公告)日：1999-07-21

申请号：EP97304643.6

申请日：1997-06-27

申请人： NORTHERN TELECOM LIMITED

发明人： Price, David ,  Maginley, Ronald James

IPC分类号： H04Q7/38 ,  H04Q7/24

CPC分类号： H04W8/04 ,  H04W8/12 ,  H04W92/02 ,  H04W92/24

摘要： In a mobile telephone network, a home location register (HLR) is provided with one or more cascaded home location registers to which some of the subscribers are allocated so as to share the workload in processing the subscriber information requests that are involved in the setting up of calls. Routing of requests to the correct HLR is simplified by routing all such requests to the original or master HLR and forwarding only those requests for which data is stored on one of the back-up or cascaded HLRs. This avoids the need for changes in the existing system routing plan. In a further embodiment two HLRs may form a mutually boosting pair.