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公开(公告)号：EP1090522B1
公开(公告)日：2002-03-06
申请号：EP99932905.5
申请日：1999-06-28
申请人： Nokia Networks OY
发明人： KAUHANEN, Timo , KOIVUPURO, Outi , RUUSKA, Pekka
CPC分类号： H04W28/26 , H04W72/0453 , H04W76/10
摘要： Optimization of the usage of radio resources in mobile telecommunication systems, particularly during the call set up stage, is accomplished by using a bearer allocation method, which allows late allocation of resources without increasing the risk of not obtaining the desired resources. This is realized using a two-phase bearer allocation mechanism, in which the bearer is only reserved early in the call set up process, and allocated later, when the called party answers or the transmission can otherwise be observed to begin.
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2.发明授权METHOD AND SYSTEM FOR AUTOMATIC COMPENSATION OF LINE DELAY IN A CLOCK DISTRIBUTION SYSTEM 失效方法及系统时钟分配系统自动LEAD延迟补偿
公开(公告)号：EP0770237B1
公开(公告)日：2002-03-06
申请号：EP95924346.0
申请日：1995-07-10
申请人： Nokia Networks Oy
发明人： RUUSKANEN, Markku
IPC分类号： G06F1/10
CPC分类号： H04J3/0685 , G06F1/10 , H04J3/0682
摘要： The invention relates to a method and system for automatic compensation of line delay in a clock distribution system which comprises a clock signal generator (1) which supplies a master clock signal through a clock path (2) to a number of decentralized clock signal buffers (P1...PN). According to the invention, the system further comprises a counter, or a similar device, which measures the propagation time of a measuring signal from the corresponding clock signal buffer to the end (B) of the line (3) and back.
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公开(公告)号：EP1182628A2
公开(公告)日：2002-02-27
申请号：EP01305774.0
申请日：2001-07-04
申请人： Nokia Networks Oy
IPC分类号： G08B3/10
CPC分类号： H04M1/72588 , G09B21/001 , H04M1/7253 , H04M1/72594
摘要： A local data provision system comprising: a plurality of transmitters each located at a respective entity having a limited range of physical utility, and each transmitter being arranged repeatedly or on demand to transmit wirelessly a signal carrying data indicating the presence of the respective entity over a range substantially coterminous with the range of utility of that entity; and a personal information unit comprising a user interface for signalling information to a user and a receiver arranged to receive the availability data and to cause the user interface to signal information to the user in dependence on the received availability data.
摘要翻译： 一种本地数据提供系统，包括：多个发射机，每个发射机各自位于具有有限的物理效用范围的相应实体，并且每个发射机被重复或按需地布置，以无线方式传送携带指示相应实体的存在的数据的信号， 范围与实体的效用范围基本相似; 以及个人信息单元，其包括用于向用户发送信息的用户界面和布置成接收可用性数据的接收器，并且使用户界面根据所接收的可用性数据向用户发送信息。
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公开(公告)号：EP1181836A1
公开(公告)日：2002-02-27
申请号：EP99923535.1
申请日：1999-05-05
申请人： Nokia Networks Oy
发明人： NAGHIAN, Siamäk
CPC分类号： H04W64/00 , G01S5/0273 , G01S5/06 , G01S5/14
摘要： The present invention discloses a method for locating a mobile station, comprising the steps of using fixed transmitting stations (BS1, BS2, BS3) for locating a target mobile station (MS1) by transmitting a measurement signal from each fixed transmitting station to said mobile station, using a relay station (MSN1 - MSN5) which is adapted to receive said measurement signal from the corresponding fixed transmitting station and to forward said signal to said target mobile station (MS1), in case a direct transmission from one or more of said fixed transmitting stations (BS1, BS2, BS3) is not available, and determining the distance between said target mobile station (MS1) to the fixed transmitting stations and/or the relay stations on the basis of said measurement signal, and locating the position of said target mobile station on the basis of the determined distances. By this method, it is possible to locate a mobile station even if there is no direct connection via air to neighbouring base stations.
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公开(公告)号：EP1181764A1
公开(公告)日：2002-02-27
申请号：EP00927287.3
申请日：2000-05-16
申请人： Nokia Networks OY
发明人： NIEMINEN, Pentti , LAITINEN, Marko
IPC分类号： H02M3/335
CPC分类号： H02M3/33561 , H02M3/33569 , H02M3/33592 , H02M3/337 , Y02B70/1475
摘要： Chopper-type direct-current converter comprising a magnetic core (M), which comprises a first and a second side leg (MS1, MS2), the ends of which are connected to each other with end pieces, and a center leg provided with an air gap and connected to the end pieces between the first and the second side legs. According to the invention, the secondary side filter coil is wound around the center leg. The primary and secondary windings are wound around the side legs so that the magnetic flux produced by them flows in the same direction as the magnetic flux of the filter coil.
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公开(公告)号：EP1177668A2
公开(公告)日：2002-02-06
申请号：EP00927649.4
申请日：2000-05-08
申请人： Nokia Networks Oy
IPC分类号： H04L29/06
摘要： A method for communicating a message over a data path by means of data transfer apparatus capable of: transmitting the data over the data path, generating a representation of the data as received from the data path and generating an indication of the communication quality of the data path; the method comprising: forming a plurality of individual data segments together representing the message, the format of each data segment being selected from one of a plurality of available segment formats in dependence on the quality of the data path; transferring the segments over the data path by means of the data transfer apparatus; and combining the segments as received from the data transfer apparatus to form a representation of the message.
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公开(公告)号：EP1177643A1
公开(公告)日：2002-02-06
申请号：EP01919475.2
申请日：2001-03-08
申请人： Nokia Networks Oy
发明人： LILJA, Harri , HÄMÄLÄINEN, Seppo
摘要： The invention relates to a method for minimizing the effect of interference in a radio system, and to a radio system. The radio system comprises a measuring means (100) which is adapted to measure the transmission frequency of the power control requests transmitted by a base transceiver station to each subscriber terminal. The radio system comprises an attenuation means (101) which is adapted to alter the attenuation of the signals arriving at the reception band of the base transceiver station (30) and which are transmitted by the subscriber terminal, the transmission frequency of power control requests transmitted to which has exceeded a predefined transmission frequency of power control requests.
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公开(公告)号：EP0858631B1
公开(公告)日：2002-02-06
申请号：EP96934874.7
申请日：1996-11-01
申请人： Nokia Networks Oy
发明人： HYYTIÄINEN, Harri
IPC分类号： G06F13/38
CPC分类号： G06F3/0601 , G06F2003/0691
摘要： A problem with tape units (TU) arises when writing of data onto a tape is not successful. The computer does not know which blocks (1-25) have been stored successfully. Data blocks are buffered in a ring buffer for so long that one can be sure that the storing on the tape (TA) is successful. The ring buffer can be implemented as buffer areas (BA1, BA2) in disk units (W1, W2). Data blocks are stored not only in the tape unit but also in the first buffer (BA1), until it is filled. Then blocks are stored in the second buffer (BA2), until this too is filled, and the first buffer (BA1) is used again. When there is a problem with the tape unit, the tape unit is re-initialized, whereby the data in the tape memory (TM) is lost. Loss of data is prevented by reading the data from the ring buffer.
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公开(公告)号：EP1175751A1
公开(公告)日：2002-01-30
申请号：EP00925341.0
申请日：2000-05-12
申请人： Nokia Networks OY
发明人： HUUSKO, Sami
IPC分类号： H04L12/00
CPC分类号： H04L65/1009 , H04L12/66 , H04L29/06027 , H04L65/1006 , H04L65/1043 , H04L65/1069 , H04L69/16 , H04L69/161 , H04L69/163 , H04L69/164 , H04M7/006 , H04W76/20 , H04W76/30 , H04W80/06 , H04W88/14 , H04W88/16
摘要： The invention is concerned generally with packet data transmission in cellular telecommunication system, and more particularly with handling of speech connections transmitted using packet data transmission. According to the invention, the GPRS system is arranged to monitor IP telephony call state change messages, which can be performed by monitoring a transport layer service access point (TSAP), which the IP telephony system uses for call state change signaling. The invention can be used with any IP telephony protocol, such as the H.323 protocol and the SIP protocol. Such a TSAP may be for example a specific UDP (User Datagram Protocol) or TCP (Transmission Control Protocol) port at the IP address corresponding to the mobile station. The monitoring may be performed for example by the GPRS control entities in the mobile station, whereby they are able to determine if a new requested packet connection will be used for a H.323 speech or video connection and negotiate and set up a PDP context having a corresponding level of service. Monitoring in the mobile station is advantageous in mobile originated H.323 calls. The monitoring may as well be performed by a GSN, which is advantageous for mobile terminated H.323 connections.
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公开(公告)号：EP1173987A1
公开(公告)日：2002-01-23
申请号：EP00925144.8
申请日：2000-03-30
申请人： Nokia Networks Oy
发明人： LINDHOLM, Heikki
IPC分类号： H04Q7/24
CPC分类号： H04W8/04
摘要： A mobile communications network comprises a network manager for managing a plurality of mobile stations in the network, a first database holding subscriber information for mobile station subscribers in the network and in communication with the network manager via a signalling interface over which information is conveyed using one of a plurality of signalling protocols, at least one second database for communication with a packet data network via a packet data interface over which information is conveyed using one of a plurality of packet transmission protocols, said second database holding subscriber information for subscribers connected via said packet data network, and a protocol converter in communication with the at least one second database via a packet data interface and with the network manager via a signalling interface, and operable to convert between a signalling protocol used on the signalling interface and a packet transmission protocol used on the packet data interface.
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