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Method of avoiding packet loss at a handover in a packet-based
telecommunications network and handover method
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...
Short message service support over a packet-switched telephony network
According to an embodiment of the present invention, a system is provided that includes a cellular network, a Public Switched Telephone Network (PSTN) and a...
System and method for effecting information transmission and soft handoff
between frequency division duplex and...
A system and method for controlling information transmission and communication handoff between frequency division multiplexing (FDD) and time division...
Function key area for a remote control
Multiple-model navigation filter with hybrid positioning
A positioning system including a measurement engine, a model selector and model bank, and a filter, which is preferably a statistical filter. The measurement...
Cover for an electronic device
A cover (1) of an electronic device (7) is at least partly formed or coated by using a material whose color is arranged changeable at least partly by means of at...
System and method for achieving robust IP/UDP/RTP header compression in the
presence of unreliable networks
A robust IP/UDP/RTP header compression mechanism is provided to correctly reconstruct IP/UDP/RTP headers in the presence of packet losses and errors of...
Ground plane for a semiconductor chip
AC-ground plane is for a semiconductor chip adapted to be mounted on a supporting member in a chip package, wherein said ground plane comprises at least one...
Protecting device against interfering electromagnetic radiation comprising
The object of the invention is a device and an elongated EMI gasket (20), made from an electroconductive wire, used for its EMI screening (electromagnetic...
Bottom shell for a handset
Handsfree device for handsets
Methods for generating comfort noise during discontinuous transmission
An improved method for generating comfort noise (CN) in a mobile terminal operating in a discontinuous transmission (DTX) mode. In one embodiment the invention...
Method for handling phone numbers in mobile station and mobile station
The invention relates to a method for handling phone numbers in a mobile station and a mobile station. According to the invention, numbers (3a, 3b, 3c) are...
Receiving method and receiver for spread spectrum signals
A receiver comprises input means for receiving a signal (r(t)) of a first domain. Processor means are provided for applying a transform function to the received...
Mobility and call control in an ATM environment
The invention relates to ATM systems, and particularly to mobility and call control management therein. A wireless ATM network comprises at least on ATM switch,...
Data transmission method and radio system
The invention relates to a data transmission method and a radio system comprising at least one base station and a subscriber terminal. In this method each...
Beamforming method and device
A beamforming method and device for adaptive antenna arrays including several antenna elements (1.1. to 1.M) in the downlink of frequency duplex systems, wherein...
Method of operating a communication device with SIM cards
The invention concerns a method of operating a communication device with a transceiver 12, where at least two SIM cards 15.1, 15.2 are provided and one of these...
Subscriber service profiles in telecommunication system
The invention relates to a telecommunication system comprising subscribers, a subscriber network, terminals for connecting the subscribers with the subscriber...
Call routing in a radio system
Disclosed herein is a radio system and method for routing a subscriber's call via a moving base station. The radio system includes at least one moving base...
Carrier for a radiotelephone
The present invention provides a carrier for a handportable radiotelephone comprising handstrap means connectable to first and second ends of a radiotelephone...
Apparatus, and associated method, for forming a signal for communication
upon a fading channel
A modulator, and an associated method, are described for use by a sending station, operable in a communication system, to communicate data to a receiving station...
Method and system for controlling the transmission power of certain parts
of a radio transmission
A data transmission system comprises a first device and a second device and a duplex data transmission connection therebetween. The first device sends to the...
Prioritization of data to be transmitted in a router
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...
Method for eliminating interference in an OFDM radio receiver
The invention relates to a method for eliminating interference in an OFDM (Orthogonal Frequency Division Multiplexing) radio receiver In the method, coded...
Video data transmission
A video data transmission system in which a transmission terminal (1) having a color camera (4) is required to transmit video information to a reception terminal...
Mobile station and antenna arrangement in mobile station
A mobile station and an antenna arrangement for a mobile station, comprising an integrated antenna, an antenna ground plane and an antenna raising component...
Method and arrangement for anticipating disengagement moment of battery
package of battery-operated electronic...
A method and an arrangement for anticipating a disengagement moment of a battery package of a battery-operated electric device, and a battery-operated electric...
Method and a device for re-transmitting data transfer packets
A method comprising transmitting a set of data blocks, receiving said set of data blocks, checking whether the transfer of the received data blocks has succeeded...
Antenna switch assembly, and associated method, for a radio communication
A switch assembly, and an associated method, for a multi-mode mobile station operable to communicate pursuant to two or more communication services. Selected...
Cell handover method and cellular radio system
A cell handover method and cellular radio system includes at least one indoor subscriber terminal (100) and cells (31 to 38) with operating area of each being...
Method for determining service availability
A method of determining the availability of at least one of a plurality of different services in a wireless communication network comprising at least a first...
Method and arrangement for transmitting multimedia-related information in a
packet-switched cellular radio network
A method is provided for transmitting multimedia-related information between a first device and a second device coupled to a packet-switched data transmission...
Shielding can for a printed circuit board
A shielding can for a printed circuit board which includes a frame with side walls and a lid with apparatus to increase flexibility of the lid. The flexibility...
A display module comprising a display assembly bonded to a substrate. The display assembly comprises a first side for displaying visual information and a second...
Antenna radiator, consisting of two plate-like or film-like parts (1, 2) connected by their foot ends (11) to each other and to the supply connection of the...
Fractional-N frequency synthesizer with sine wave generator
A fractional-N frequency synthesizer is disclosed wherein the multi-modulus frequency divider in the feedback path of the phase locked loop is controlled by a...
Method and apparatus for distributing light to the user interface of an
A system and method is described for distributing light within a light guide which is used for illuminating the user interface of an electronic device. The light...
Memory interface using only one address strobe line
A method for transmitting an address to a memory (3) for the purpose of reading and writing information. The memory (3) comprises memory cells for storing...
Mobile communication system which transmits messaging messages
The object of the invention is to provide a method and an apparatus implementing the method which allow the subscriber to evaluate the authenticity of sender...
Method for determining timing differences between radio transmitters and a
radio network incorporating the same
There are proposed a method for determining timing differences between a plurality of radio transmitters (BTS) and a radio network incorporating the method....
Device having a headset socket
A device such as a radiotelephone having a housing within which is located a single printed circuit board and a headset socket 30 including a body and spring...
Channel allocation method for a packet network
A method for allocating a data transmission channel/sub-channel in a telecommunication network. A network includes a telecommunication controller (BTS) and...
Method and device for filtered sync detection
A method and a device for filtered sync signals detection wherein a timing circuit is used to select the steep slope portion in one or both of the leading edge...
Mobile communication device with display mode control
In the standby or active condition of a mobile communications device, the microprocessor controller of the device is programmed to query the display driver...
Antenna device for a communication terminal
An antenna device comprising of two substantial planar and conductive elements where the first element is acting as the radiator of the antenna, and the second...
Radio device and antenna structure
A radio device and an antenna structure, wherein a groove (103) provided in a planar radiator (110) of the antenna is used to generate resonances for different...
Method for demodulating signal
The invention relates to a demodulator and a demodulation method for a TFM-modulated signal comprising symbols, the method comprising the steps of calculating an...
Top shell for a handset