| Patent Number |
Title Of Patent |
Date Issued |
| D429238 |
Base transceiver station for a mobile network |
August 8, 2000 |
|
| D420674 |
Base station |
February 15, 2000 |
|
| D377652 |
Base station for a mobile communication network |
January 28, 1997 |
|
| 7197551 |
Method and system for implementing supervision in a telecommunication system |
March 27, 2007 |
| Method and system for automatically configuring supervision and performing supervision in a supervision system comprising a supervision center; and a supervision block which contains processes performing supervision tasks. The supervision system is preferably a telephone switching system |
| 6985736 |
Increasing the capacity of a cellular radio network |
January 10, 2006 |
| The invention relates to a cellular radio network and a method for increasing traffic carrying capacity in a cellular network. The operating frequency spectrum of the cellular network has been divided in such a way that typically both regular frequencies and super-reuse frequencies are |
| 6970441 |
Data transmission method |
November 29, 2005 |
| The invention relates to a data transfer method in a digital cellular radio network, the method comprising channel coding the information to be transferred for transmission. In order to implement a data rate of 14.4 kbit/s in GSM type of cellular radio systems by employing one time slot |
| 6904109 |
Interference cancellation method, and receiver |
June 7, 2005 |
| An interference cancellation method and a receiver operating according to the method, in which multiple access interference cancellation of a received signal is performed and a confidence coefficient for estimates obtained from the received signal is calculated. In order to effect a |
| 6799021 |
Method and arrangement for forming an address |
September 28, 2004 |
| A method and arrangement for forming an address for use in signal predistortion. The arrangement is used to form a corrector table address employed in the signal predistortion to compensate for signal distortions. The signal distortions are compensated for using corrector coefficients |
| 6747966 |
Radio system and methods for duplex operation |
June 8, 2004 |
| A method for duplex telecommunication connection in radio connections is based on a frame-structured interactive communication and a radio system where the frame-structured interactive communication is performed in the radio connections. A means is provided for improving the use of chann |
| 6738374 |
Speech transmission in a packet network |
May 18, 2004 |
| Speech is transmitted between a base station (BTS) and a TRAU by converting a speech signal into a parameter group which is inserted in a traffic frame which is transmitted as a packet comprising a header and a payload. In accordance with the invention, the payload is formed of the conte |
| 6738369 |
Method and arrangement for packet-switched data transmission |
May 18, 2004 |
| The invention relates to a method for transmitting data in a telecommunication system that comprises at least one packet-switched transmission network, in which data is transmitted in data packets of a standard length, the number of such standard lengths being determined in advance. |
| 6714601 |
Method in digital quadrature modulator and demodulator, and digital quadrature modulator and dem |
March 30, 2004 |
| Method measures imperfections in the digital quadrature demodulator from the amplitude of the output signal of the demodulator quadrature mixer, i.e. from the amplitude of a vector formed by the I and Q channels, are taken, at a rate based on a symbol clock of the demodulator, numerous |
| 6690743 |
Compensation of delay in linearization loop of power amplifier |
February 10, 2004 |
| A method of compensating delay in an linearization loop of a power amplifier and a linearization arrangement of a power amplifier, which arrangement includes an I/Q modulator, one or more power amplifiers to be linearized and generating delay, and a feedback loop including an I/Q dem |
| 6674741 |
High speed data transmission in mobile communication networks |
January 6, 2004 |
| The invention relates to high speed data transmission in digital mobile communication systems. In multichannel data transmission, a single data connection is allocated a plurality of parallel traffic channels (Ch1, Ch2, Ch3) via which the data units (1, 2, . . . , n) are transferred. At |
| 6665312 |
Synchronous data transmission method and arrangement |
December 16, 2003 |
| The invention relates to a synchronous data transmission when the maximum data rate of the traffic channel equals one of the user data rates at the terminal interface. Such a situation may occur for example when a satellite system is connected as a base station system to a mobile system. |
| 6661782 |
Routing area updating in packet radio network |
December 9, 2003 |
| The invention relates to a cellular packet radio. network and to a method for updating a routing area in a packet radio network. Packet radio support nodes (SGSN) are connected to a digital cellular radio network (BSS), which provides a radio interface for the support nodes for packe |
| 6646998 |
Mobile communication system and method for establishing a data call |
November 11, 2003 |
| The present invention generally relates to data transmission services in mobile communication systems. A mobile subscriber may typically be entitled to different kinds of tele and bearer services. Presently, each user data rate is an independent bearer service. This means that there is |
| 6643526 |
Method and apparatus for directional radio communication |
November 4, 2003 |
| A method of directional radio communication between a first station (6) and a second station, comprising the steps of defining at the first station (6) a plurality of beam directions (b.sub.1 -b.sub.8) for transmitting signals to said second station, each of said beam directions being |
| 6639908 |
Method of facilitating transmission level measurement, and base station |
October 28, 2003 |
| The invention relates to a method of facilitating measurement of a transmission level, and a base station. The base station moves its broadcast (BCCH) from one time slot (10 to 17) to another so that the broadcast (BCCH) is sent in different time slots (10 to 17) of successive frames |
| 6633536 |
Signalling in a digital mobile communications system |
October 14, 2003 |
| A method and a transmitter (100) and a receiver (102) for transmitting messages (114) in a digital telecommunications system. The information (104) to be sent is encoded in an information encoder (106) of the transmitter (100) into frames that are transmitted via a transmission path |
| 6631173 |
Method and arrangement for calculating correlation |
October 7, 2003 |
| A method and arrangement for calculating correlation between a first and second code sequence, which comprise a number of samples and have a finite length is disclosed. The arrangement comprises an assembly for estimating the delay between the code sequences and an assembly for setting t |
| 6614860 |
Compensation of doppler shift in a mobile communication system |
September 2, 2003 |
| In a mobile communication system, signals which are transmitted from mobile stations moving relative to a base station are subject to a Doppler effect. A technique is described for compensating for that Doppler effect by using estimated bit decisions for received bits which are sufficien |
| 6611547 |
Method of avoiding packet loss at a handover in a packet-based telecommunications network and ha |
August 26, 2003 |
| The invention relates to a connection-oriented packet-based communication network, in which the terminal and the network access point of the terminal may move in the network. When the access point of the terminal changes during an active connection, the routing connection can also be |
| 6603738 |
Prioritization of data to be transmitted in a router |
August 5, 2003 |
| General Packet Radio Service is a new service designed for digital mobile systems. Because of bottlenecks, such as an air interface (Um), queues may be formed in routers. Long transmissions of data may slow the operation of interactive applications so that it is no longer sensible to use |
| 6603734 |
Method for eliminating interference in an OFDM radio receiver |
August 5, 2003 |
| The invention relates to a method for eliminating interference in an OFDM (Orthogonal Frequency Division Multiplexing) radio receiver In the method, coded signals that are transmitted on subcarriers are received, reliability information generated for the signals being used in their soft |
| 6597682 |
Channel allocation method for a packet network |
July 22, 2003 |
| A method for allocating a data transmission channel/sub-channel in a telecommunication network. A network includes a telecommunication controller (BTS) and several terminal equipments (MS). The transmission channel is divided into one or more time slots, each of which comprises one o |
| 6594250 |
Method of monitoring base stations with discontinuous control channel transmissions |
July 15, 2003 |
| A method for monitoring with discontinuous BCCH carriers in GSM, in which a mobile station can monitor a neighboring base station in each frame, or one in each frame. i.e. once in 4.615 ms, even where the base stations do not transmit continuously on a beacon carrier. Control information |
| 6590939 |
Reception method and a receiver |
July 8, 2003 |
| The invention relates to a reception method and a receiver. Mechanisms are used for generating, at each level, numbers relating to a bit 1 and a bit 2 and representing a probability of a transition metric of survivor paths. Mechanisms are used for separately summing the numbers relating |
| 6574336 |
Echo suppressor and non-linear processor of echo canceller |
June 3, 2003 |
| The invention relates to an acoustic echo suppressor and a non-linear processor for an echo canceller in a 4-wire data transmission network. An echo canceller is typically controlled by comparing the power levels of the near-end and far-end signals. The transfer function of an acoustic |
| 6571284 |
Method for repeater management |
May 27, 2003 |
| In order to integrate repeater management with network management in a wireless telecommunication network, a database is added to the network management center (NMC), said database including the data on the network repeaters (R1, R2, R3), which include for each repeater (R1, R2, R3) at |
| 6570933 |
Method in digital quadrature modulator and demodulator, and digital quadrature modulator and dem |
May 27, 2003 |
| Method measures imperfections in digital quadrature modulator and demodulator operation, and to a digital quadrature modulator/quadrature demodulator. The modulator includes means for modulating quadrature-phase I and Q input signals to generate an output signals to generate an output |
| 6570860 |
Data transmission method in a TDMA mobile communication system |
May 27, 2003 |
| A method and apparatus for data transmission in a time division multiple access (TDMA) mobile communication system, in which one or more time-slots may be allocated to a mobile stations for data transmission. The mobile station indicates, upon setting up a data call, to the mobile co |
| 6570851 |
Receiver driven differentiated service marking for unicast and multicast applications |
May 27, 2003 |
| The present invention is a system (100, 200, 300) and a method of data transmission in a communication system comprising a source node (12) which originates packet data transmissions, a packet data network (18), at least one router or switch (16, 20) and a destination node (14) which rec |
| 6567389 |
Method and arrangement for high-speed data transmission in a mobile telecommunications system |
May 20, 2003 |
| For improving data transmission over the radio path between a mobile station and a base station in a mobile telecommunications system, a divider splits a data signal whose speed is higher than the maximum data transfer rate in one frame, into at least two signals of lower speed befor |
| 6563789 |
Data transmission method and equipment |
May 13, 2003 |
| The invention relates to a data transmission method and equipment in a telecommunication system, particularly in a situation where the maximum data rate of a traffic channel is equal to one user data rate at a terminal interface. A mobile station inserts terminal interface status inf |
| 6560460 |
Determining grade of service and mobile telephone system |
May 6, 2003 |
| A method of determining a grade of service provided for a mobile station by a mobile telephone system including a network part, a mobile station and a bi-directional radio link between the network part and the mobile station. The method comprises the network part assigning a service clas |
| 6556573 |
Synchronization of ATM-based network system using variable bit rate ATM adaptation layer protoco |
April 29, 2003 |
| A system and method for synchronizing variable bit rate traffic between a source and destination in an Asynchronous Transfer Mode (ATM) network. The method includes designating a variable bit rate ATM Adaptation Layer (AAL) protocol to define ATM cell traffic flow from the source to the |
| 6556550 |
Method and equipment for transmitting terminal interface user data and status information |
April 29, 2003 |
| The invention relates to a mobile system in which the radio interface rate of a traffic channel and the intermediate rate of a transmission channel restrict the number of bits available for the transmission of terminal interface statuses (S), network independent clocking (N) and subchann |
| 6553012 |
Method and apparatus for directional radio communication |
April 22, 2003 |
| A method of directional radio communication between a first station (BTS4) and a second station (MS) comprises the following steps. A plurality of consecutive signals are received at the first station (BTS4) from the second station (MS). The signals are each receivable from at least one |
| 6542501 |
Speech transmission in a mobile communication network |
April 1, 2003 |
| A digital mobile communication network and a switching system for a digital mobile communication network are provided. A traffic frame may include speech signals converted into a parameter group by a speech encoder and, as a whole, may be inserted into a payload part of a data packet. Th |
| 6539236 |
Establishment of a connection between a base station and a mobile station using random access ch |
March 25, 2003 |
| A connection establishment method for establishing a random access type connection using a random access channel, which is used in a radio system having several subscriber terminal equipments (37 to 38) and base stations (33 to 36) where one or more transceiver units (40 to 47) operate, |
| 6532257 |
Method for performing phase comparison, and phase comparator |
March 11, 2003 |
| In a method for performing a phase comparison, and a phase comparator, two binary signals are compared using two functionally similar asynchronous state machines, which generate two output signals used for controlling a phase. A first state machine is fed a first signal to be compared, a |
| 6532254 |
Receiver and receiving method simplifying the interference cancellation of multi-user detection |
March 11, 2003 |
| The invention relates to a receiving method and a receiver. In the method, in order to remove interference of a received composite signal, narrowband interfering signal estimates corresponding to the interfering signals are subtracted from a narrowband composite signal. The narrowband in |
| 6529572 |
Network independent clocking in a telecommunication system |
March 4, 2003 |
| The invention relates to a method and equipment for network independent clocking in a telecommunication system, particularly in data transmission where the maximum data rate on a traffic channel is equal to the user data rate. In the invention a transmitter compares the network independe |
| 6526134 |
Call set-up by an intelligent network |
February 25, 2003 |
| In accordance with the invention, at least at one exchange at least one state model or a service-specific portion of the state model, such as a call segment is formed for each service associated with the same party (A, B) of the same call, with which portion a connection to the control p |
| 6526102 |
Method of optimizing transmission, and transmitter |
February 25, 2003 |
| The invention relates to a method of optimizing transmission, and a transmitter receiving digital signals, in which the transmitter is used in a radio system to optimally transmit the signals. The transmitter includes modulation means arranged to modulate the received signals, and conver |
| 6516193 |
Localized special services in a mobile communications system |
February 4, 2003 |
| A method and arrangement for controlling the local operation of a mobile station are characterized in that a mobile station specific group of special cells is formed from selected network cells. The information on a group of special cells is transmitted to the mobile station via a radio |
| 6512756 |
Routing area updating in packet radio network |
January 28, 2003 |
| The invention relates to a cellular packet radio network and to a method for updating a routing area in a packet radio network. Packet radio support nodes (SGSN) are connected to a digital cellular radio network (BSS), which provides a radio interface for the support nodes for packet |
| 6510312 |
Method for optimising coverage by reshaping antenna pattern |
January 21, 2003 |
| The invention relates to a method of optimizing coverage by changing the antenna pattern (14). In a solution of the invention, the base station (10) orients the antenna lobe (14) in the vertical direction toward a terminal equipment (11-13) by changing the shape of the antenna lobe a |
| 6505206 |
Method for implementing an associative memory based on a digital trie structure |
January 7, 2003 |
| A method for implementing a memory. The memory is implemented as a directory structure comprising a tree-shaped hierarchy having nodes at several different levels, wherein an individual node can be (i) a trie node comprising an array wherein an individual element may contain the addr |