Ipcom Gmbh & Cokg

Robert Boschgmbh

Siemens Aktiengesellschaft

Siegfried Baer

Frank Kowalewski

Martin Hans

Mark Beckmann

Josef Laumen

Gunnar Schmidt

Thomas Gottschalk

Detlef Lechner

Joachim Steiger

Hyung-Nam Choi

Wael Adi

A telecommunication system for bidirectional data transmission of a data set between a data transmission device and a data reception device via at least one packet-oriented network device, which includes encapsulation of the data set to enable a connection-oriented data transmission of the data set; connection-oriented transmission of the encapsulated data set by means of at least one mobile telephone from the data transmission device to a base station of a mobile telephone network; evaluation of the data encapsulation protocol in the base station for an unpacking of the data set to enable a packet-oriented data transmission of the data set; and packet-oriented transmission of the data set from the base station to the data reception device.

Method for bidirectional data transmission via a packet-oriented network device

For regulating a transmission power in a transmission channel of a transmission from a transmitting station in a transmission system, a transmit power command is received from a transmission receiving station, the transmission power in the transmission channel is changed on a basis of the received transmit power command, and an amount of the change in the transmission power at the transmitting station is determined by determining a ratio between a current transmission power and an average over time of the transmission power, such that the amount of the change is dependent on a value of the ratio, with the amount of change increasing as the value of the ratio increases.

Method for regulating the transmission power of a transmitting station, and transmitting station

A transceiver, comprising an interface for receiving at least one message, a display unit provided to assume at least one switched-on operating state and at least one switched-off operating state, a message indicator indicating a receipt of a message by a unit of a signal, independent of the operating state of the display unit, wherein the message is associated with at least one message parameter, and a unit for evaluating the message parameter with the signal provided as a function of evaluation of the message parameter.

Transceiver with message notification

A slave station and a method of regulating the transmission power a master station are described, which permit an estimate of the signal/interference ratio in a transmission system without sending a pilot sequence, the transmission power being regulated as a function of an estimate of the signal/interference ratio. In a transmission system, in particular a CDMA transmission system, useful signals assigned to different communicating subscribers are separated by orthogonal codes. A useful signal assigned to one communicating subscriber is derived by using one of the codes from a signal received at least in the slave station from the master station and is compared as a reference signal with the received signal to estimate the signal/interference ratio.

Method of regulating the transmission power of a master station and a slave station for implementation of the method

A mobile telecommunications terminal is provided, which makes possible, so as to use the least possible amount of power, a query of messages present for the mobile telecommunications terminal in a telecommunications network. The mobile telecommunications terminal includes a receiving device for receiving messages from the telecommunications network in a receive mode. At the mobile telecommunications terminal, a query mode can be established, in which a control unit, in the event that the receive mode is switched off, activates the receive mode at at least one first predetermined time. The control unit checks whether, within a second predetermined time period after the activation of the receive mode, information was received in the receiving device regarding at least one message present in the telecommunications network () for the mobile telecommunications terminal.

Mobile telecommunications terminal

A method of assigning transmission channels in a telecommunications network and a user station are provided, which facilitate an increase in the capacity of a telecommunications network. The telecommunications network may include multiple base stations and mobile stations, the transmission channels being provided for transmitting signals between the base stations and the mobile stations. In uncoordinated operation of the base stations, at least one of the transmission channels is assigned for transmitting signals between one of the base stations and one of the mobile stations as a function of a channel measurement, in which the transmission power on all possible transmission channels is measured, if the previously measured transmission power on this transmission channel is minimal.

Method of assigning transmission channels in a telecommunications network and user station

A method for bidirectional data transmission of a data set between a data transmission device and a data reception device via at least one packet-oriented network device, which includes encapsulation of the data set to enable a connection-oriented data transmission of the data set; connection-oriented transmission of the encapsulated data set by means of at least one telecommunications device from the data transmission device to the packet-oriented network device; evaluation of the data encapsulation protocol in the packet-oriented network device for an unpacking of the data set to enable a packet-oriented data transmission of the data set; and packet-oriented transmission of the data set from the packet-oriented network device to the data reception device.

Method for the bi-directional transmission of data via a packet-oriented network device

A mobile telecommunications terminal is provided, which makes possible, so as to use the least possible amount of power, a query of messages present for the mobile telecommunications terminal in a telecommunications network. The mobile telecommunications terminal includes a receiving device for receiving messages from the telecommunications network in a receive mode. At the mobile telecommunications terminal, a query mode can be established, in which a control unit, in the event that the receive mode is switched off, activates the receive mode at least one first predetermined time. The control unit checks whether, within a second predetermined time period after the activation of the receive mode, information was received in the receiving device regarding at least one message present in the telecommunications network () for the mobile telecommunications terminal.

A slave station and a method of regulating the transmission power of a master station are described, which permit an estimate of the signal/interference ratio in a transmission system without sending a pilot sequence, the transmission power being regulated as a function of an estimate of the signal/interference ratio. In a transmission system, in particular a CDMA transmission system, useful signals assigned to different communicating subscribers are separated by orthogonal codes. A useful signal assigned to one communicating subscriber is derived by using one of the codes from a signal received at least in the slave station from the master station and is compared as a reference signal with the received signal to estimate the signal/interference ratio.

A method of encrypting data, a telecommunications terminal and an access authorization card are described, which permit utilization of services of one or more service providers independently of a network operator or manufacturer of the telecommunications terminal. Encrypted data is transmitted between a service provider and the telecommunications terminal over a telecommunications network. Data to be transmitted over the telecommunications network is encrypted as a function of the service provider selected.

Method for encrypting data and a telecommunications terminal and access authorization card

The invention proposes a method for signaling various header data () in the transmission of packet data units () in a telecommunications network depending on a type of the respective header data (), which requires the lowest possible bandwidth and bit rate. A set of header data () received in a receiver () of the telecommunications network, depending on its signaling (), is supplied to one of at least two groups () of algorithms for an evaluation. For a first type of header data (), a first algorithm is provided in a first group () of algorithms, and for a second type of header data () a second algorithm is provided in a second group () of algorithms, wherein the first algorithm corresponds to the second algorithm. The signaling () for the first type of header data () and the signaling () for the second type of header data () are combined into a shared signaling.

Method for signaling different header information

The present invention provides a data transfer method for use in a CDMA system operating in the TDD mode. A data signal is transmitted in the form of a data stream of data bursts of different users between a first station and a second station via a multiplicity of antennas, and a reference signal is transmitted in connection with the specific data burst. In a first step, a reference signal is transmitted from the second station to the first station. In a second step, a channel estimation is performed in the first station based on the reference signal that is received from the second station. In a third step, the first station transmits a data burst to the second station via the multiplicity of antennas, it being possible to modify the transmission signals of various antennas having various amplitude and phase factors in accordance with the channel estimation.

Growing community of inventors

Pforzheim, Germany

Siegfried Baer