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41.发明专利
公开(公告)号：MY125103A
公开(公告)日：2006-07-31
申请号：MYPI20002683
申请日：2000-06-14
Applicant: ERICSSON TELEFON AB L M
Inventor： HAARTSEN JACOBUS , DENT PAUL
Abstract: A RADIO COMMUNICATION SYSTEM IS DESCRIBED IN WHICH DC OFFSET (310, 390) AND OTHER SLOWLY VARYING DISTURBANCES WHICH THAT MAY IMPACT A SIGNAL ARE SUPPRESSED. EXEMPLARY EMBODIMENTS OF THE PRESENT INVENTION COMBINE A DIFFERENCE CIRCUIT (60), E.G, A FIR FILTER, WITH A MAXIMUM LIKELIHOOD SEQUENCE ESTIMATOR, E.G., A VITERBI DETECTOR (62), TO IMPLEMENT SUPPRESSION TECHNIQUES ON BINARY SIGNALS. (FIG. 6)
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公开(公告)号：DE69916499D1
公开(公告)日：2004-05-19
申请号：DE69916499
申请日：1999-11-17
Applicant: ERICSSON TELEFON AB L M
Inventor： GUSTAFSSON KJELL , DENT PAUL , ERIKSSON HAKAN
Abstract: A receiver having a digital automatic gain control (AGC) circuit is disclosed for use in a cellular communication system, including a Hierarchical Cellular System. The receiver includes a controller which switches between gain control values depending on system operational mode. In this way, the AGC can be optimized for different types of receive processing operations, e.g., traffic reception and measurement of other channels.
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公开(公告)号：PL352548A1
公开(公告)日：2003-08-25
申请号：PL35254899
申请日：1999-11-17
Applicant: ERICSSON TELEFON AB L M
Inventor： GUSTAFSSON KJELL , DENT PAUL , ERIKSSON HAKAN
Abstract: A receiver having a digital automatic gain control (AGC) circuit is disclosed for use in a cellular communication system, including a Hierarchical Cellular System. The receiver includes a controller which switches between gain control values depending on system operational mode. In this way, the AGC can be optimized for different types of receive processing operations, e.g., traffic reception and measurement of other channels.
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公开(公告)号：CA2285544A1
公开(公告)日：1998-10-15
申请号：CA2285544
申请日：1998-04-03
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL , HAARTSEN JACOBUS
IPC: H04M15/16 , H04B7/005 , H04B7/26 , H04M15/00 , H04M15/12 , H04W4/24 , H04W8/18 , H04W8/22 , H04W16/12 , H04W28/18 , H04W52/28 , H04W72/08 , H04Q7/38
Abstract: In a multi-reuse level cellular communications system, a channel is assigned for use by a mobile unit by first determining whether the mobile unit is a non-enhanced mobile unit or an enhanced mobile unit. Then a determination is made as to the type of communication service being requested. A minimum link quality required by the mobile unit can then be established based on factors that include the mobile unit type and the type of communication service being requested. A base station that has the necessary receiver detection capabilities and transceiver processing capabilities is then selected, and a channel, corresponding to a highest reuse plan, available to the base station is assigned to the call.
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公开(公告)号：AT555582T
公开(公告)日：2012-05-15
申请号：AT09772886
申请日：2009-06-30
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL
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Patent Agency Ranking
公开(公告)号：AT542302T
公开(公告)日：2012-02-15
申请号：AT09730057
申请日：2009-04-02
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL , MATTISSON SVEN
IPC: H04B1/04
Abstract: Methods and apparatus are disclosed for automatically adjusting antenna impedance match in a wireless transceiver employing phase-amplitude modulation. According to some embodiments of the invention, a wireless transceiver comprises a transmitter circuit and a receiver circuit connected to the antenna by a transmit/receive duplexer. An electronically adjustable matching network is located between the transmitter output and the antenna. To control the adjustable matching network, a directional coupler is located between the transmitter output and the matching network to separate transmit signals reflected from the antenna system, including the antenna, the matching network and the T/R duplexer. The reflected transmit signals are routed to the receiver circuit, which digitizes the reflected signal and determines an antenna reflection coefficient based on the digitized reflected signal and the modulation signal used to create the transmit signal. The complex antenna reflection coefficient is used to determine any adjustment needed to the antenna matching network.
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公开(公告)号：ES2350761T3
公开(公告)日：2011-01-26
申请号：ES01995644
申请日：2001-11-21
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL , RYDBECK NILS , SKUBIC JANEZ , GEHRMANN CHRISTIAN
Abstract: Un método para permitir las comunicaciones anónimas entre un primer dispositivo de red inalámbrico (10) y un segundo dispositivo de red inalámbrico (15) sin revelar una identidad fija (40) del primer dispositivo de red inalámbrico, el método que comprende los pasos de: - generar (50, 75) un número de identificación temporal mediante el primer dispositivo de red inalámbrico usando un algoritmo (25) dentro del primer dispositivo de red inalámbrico; - insertar (90) el número de identificación temporal como un número de identificación de red inalámbrico en los mensajes que van a ser transmitidos desde el primer dispositivo de red inalámbrico; y - transmitir (55, 95) los mensajes desde el primer dispositivo de red inalámbrico al segundo dispositivo de red inalámbrico sin proporcionar la identidad fija del primer dispositivo de red inalámbrico.
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公开(公告)号：MX2009012723A
公开(公告)日：2010-04-09
申请号：MX2009012723
申请日：2008-03-14
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL
Abstract: Un radio de difusi?n por sat?lite programa a receptores m?viles y fijos en diversas ubicaciones. Las estaciones de tierra (220, 320, 620, 720,. 820, 1120) suplementan las difusiones de sat?lite en ?reas en donde la se?al de sat?lite puede estar sombreada. Asimismo, la se?al de sat?lite suplementa las transmisiones terrestres en ?reas con resistencia de se?al terrestre marginal. Las estaciones de tierra (220, 320, 620, 720, 820, 1120) y un sat?lite (210, 1110) transmiten la misma corriente de s?mbolo digital a trav?s del un mismo espectro de frecuencia. Las corrientes de s?mbolo llegan a cada ?rea de servicio de las estaciones de tierra (220, 320, 620, 720, 820, 1120) con un retraso relativo que est? dentro de una ventana para la que un receptor est? adaptado para descodificar eficientemente. La eficiencia espectral se logra permitiendo que las estaciones de tierra compartan las mismas frecuencias que los sat?lites.
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公开(公告)号：DE60138899D1
公开(公告)日：2009-07-16
申请号：DE60138899
申请日：2001-10-04
Applicant: ERICSSON TELEFON AB L M
Inventor： DENT PAUL , BOTTOMLEY GREGORY , ATARIUS ROOZBEH
IPC: H04B1/7087 , H04B1/712 , H04L27/00
Abstract: Code division multiple access signals received through at least one multipath propagation channel are processed to produce at least one relative frequency error estimate. This involves receiving and processing the signals using a local frequency reference oscillator to obtain representative complex numerical samples for processing. The complex numerical samples are correlated with shifts of a locally generated despreading code and a number of complex channel estimates are produced, each corresponding to a different delayed ray of the at least one multipath propagation channel. A frequency error estimate is computed for each ray based on successive values of a respective one of the channel estimates, and a weighted summation of the frequency error estimates is performed to provide at least one relative frequency error estimate.
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公开(公告)号：DE69927989T2
公开(公告)日：2006-07-27
申请号：DE69927989
申请日：1999-08-27
Applicant: ERICSSON TELEFON AB L M
Inventor： PALENIUS TORGNY , DENT PAUL , WANG ERIC
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