Abstract: A multi-band antenna is provided that includes a ground plane, a first lower frequency antenna radiator including one or more outer conductive elements surrounding an interior void and a first higher frequency antenna radiator including one or more interior conductive elements surrounded by an exterior void. The multi-band antenna also includes a first lower frequency antenna feed including one or more outer conductive elements surrounding at least partially an interior void and a first higher frequency antenna feed including one or more interior conductive elements surrounded at least partially by an exterior void. The multi-band antenna further includes at least one lower frequency interface and at least one higher frequency interface. The at least one lower frequency interface is for the first lower frequency feed and the at least one higher frequency interface is for the higher frequency feed.

Abstract: There is provided an apparatus comprising a substrate having a first surface and a second surface, the substrate comprising a conductive signal line, a first conductive ground plane member and a second conductive ground plane member disposed in a first plane on the first surface of the substrate such that the conductive signal line is configured to convey a signal having a phase. The apparatus comprises a third conductive ground plane member disposed in a second plane, different from the first plane and means for causing relative movement between the third conductive ground plane member and the conductive signal line to cause a change in the phase of the signal.

Abstract: An apparatus including control circuitry; first radio circuitry for communicating with a first radio circuitry of a first base station; second radio circuitry for communicating with second radio circuitry of a second base station; wherein the control circuitry is configured to use information received from a user equipment, for configuring the second radio circuitry of the apparatus such that a connection can be established between the second radio circuitry of the apparatus and the second radio circuitry of a base station.

Abstract: A multi-band antenna is provided that includes a ground plane, a first lower frequency antenna radiator including one or more outer conductive elements surrounding an interior void and a first higher frequency antenna radiator including one or more interior conductive elements surrounded by an exterior void. The multi-band antenna also includes a first lower frequency antenna feed including one or more outer conductive elements surrounding at least partially an interior void and a first higher frequency antenna feed including one or more interior conductive elements surrounded at least partially by an exterior void. The multi-band antenna further includes at least one lower frequency interface and at least one higher frequency interface. The at least one lower frequency interface is for the first lower frequency feed and the at least one higher frequency interface is for the higher frequency feed.

Abstract: There is provided an apparatus comprising a substrate having a first surface and a second surface, the substrate comprising a conductive signal line, a first conductive ground plane member and a second conductive ground plane member disposed in a first plane on the first surface of the substrate such that the conductive signal line is configured to convey a signal having a phase. The apparatus comprises a third conductive ground plane member disposed in a second plane, different from the first plane and means for causing relative movement between the third conductive ground plane member and the conductive signal line to cause a change in the phase of the signal.

Abstract: An apparatus including control circuitry; first radio circuitry for communicating with a first radio circuitry of a first base station; second radio circuitry for communicating with second radio circuitry of a second base station; wherein the control circuitry is configured to use information received from a user equipment, for configuring the second radio circuitry of the apparatus such that a connection can be established between the second radio circuitry of the apparatus and the second radio circuitry of a base station.

Abstract: The invention relates to a method, devices and systems, where a first radio connection is formed from a user device to a communication network, and information of a location of the user device is provided to a server system connected to the communication network over the first radio connection. Then, link setup information is formed at the server system and provided from said server system over the first radio connection. The link setup information comprises data for forming a second radio connection from the location of the first user device to a communication network using a beam forming antenna. Utilizing this link setup information, a second radio connection is formed from the first user device to a communication network, and a beam forming antenna operating in a beam forming mode is used in the forming of the radio connection. The second radio link may be a link between the user device mounted in a fixed location, e.g. a wall of a building and a network radio node. The user device may be e.g.

Abstract: The invention relates to a method, devices and systems, where a first radio connection is formed from a user device to a communication network, and information of a location of the user device is provided to a server system connected to the communication network over the first radio connection. Then, link setup information is formed at the server system and provided from said server system over the first radio connection. The link setup information comprises data for forming a second radio connection from the location of the first user device to a communication network using a beam forming antenna. Utilizing this link setup information, a second radio connection is formed from the first user device to a communication network, and a beam forming antenna operating in a beam forming mode is used in the forming of the radio connection. The second radio link may be a link between the user device mounted in a fixed location, e.g. a wall of a building and a network radio node. The user device may be e.g.

Abstract: There are disclosed various methods and apparatuses for an antenna. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102). A modified signal is generated from the transmission signal and provided to a second feed point (128) of the antenna (102). In some embodiments the apparatus comprises an antenna comprising a first feed point (126) and a second feed point (128). There is also a first interface to provide a transmission signal to the first feed point (126), and a phase shifter (124) for generating a modified signal from the transmission signal. The modified signal is provided to a second feed point (128) of the antenna (102).

Abstract: There are disclosed various methods and apparatuses for an antenna. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102). A modified signal is generated from the transmission signal and provided to a second feed point (128) of the antenna (102). In some embodiments the apparatus comprises an antenna comprising a first feed point (126) and a second feed point (128). There is also a first interface to provide a transmission signal to the first feed point (126), and a phase shifter (124) for generating a modified signal from the transmission signal. The modified signal is provided to a second feed point (128) of the antenna (102).

Abstract: There are disclosed various methods for a communication device and apparatuses comprising an antenna and a transmitter. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102) having a first impedance and to a second feed point (128) having a second impedance. In some embodiments the apparatus comprises an antenna (102) having a first feed point (126) and a second feed point (128). The first feed point (126) has a first impedance and the second feed point (128) has a second impedance. The antenna (102) is adapted to combine the transmission signal provided to the first feed point (126) and the transmission signal provided to the second feed point (128) to a combined signal to be radiated by the antenna (102).

Abstract: There are disclosed various methods, apparatuses and computer program products for resonance tuning. In some embodiments an oscillator signal derived from a local oscillator (125) signal is received and a control signal (208) is generated by using the oscillator signal. The control signal is to be provided to a resonance tuning circuit (202) configured to be coupled to an antenna (102); and a signal level indication (228) on the basis of the resonance of the resonance tuning circuit is produced. The signal level indication (228) is compared with a reference signal (224); and on the basis of the comparison it is determined whether the resonance of the antenna effected by the generated control signal (208) fulfills a determined condition.

Abstract: An apparatus comprising a first circuit configured to receive a signal and output a first output signal, a second circuit configured to receive the same signal and output a second output signal with a phase delay compared to the first signal, and a combiner configured to combine said first and second output signals to provide a combined signal, wherein said phase delay is controlled such that an amplitude of said combined signal is controlled.

Abstract: In one aspect this invention provides a radio frequency receiver for coupling to an antenna. The receiver includes a downconversion mixer, an amplifier having an input coupled to the antenna and an output coupled to a first input of the mixer for providing a received frequency signal to the mixer and a voltage controlled oscillator having an output coupled to a second input of the mixer for providing a mixing frequency signal to the mixer. In the preferred embodiments the components of the amplifier and the voltage controlled oscillator are arranged to exhibit a substantially identical resonant circuit topology and are implemented in the same integrated circuit. In the preferred embodiments the amplifier and the voltage controlled oscillator each include calibration circuitry coupled to a calibration signal for compensating for integrated circuit component value variations, and where a calibration signal used for the voltage controlled oscillator is used as well for the amplifier.

Abstract: A multi-part, distributed antenna arrangement including: an antenna element as a first part; and a semiconductor chip as a second part, separated from the first part, wherein the semiconductor chip comprises integrated radio frequency circuitry and a coupling element for wirelessly coupling the integrated radio frequency circuitry with the antenna element.

Abstract: A frequency divider including at least one frequency divider cell having an adjustable circuit configuration which may be selected adaptively according to properties of an oscillator signal to be frequency-divided in the frequency divider. Accordingly, the circuit configuration of the frequency divider may be changed on the fly during the operation.

Abstract: An apparatus comprising a first circuit configured to receive a signal and output a first output signal, a second circuit configured to receive the same signal and output a second output signal with a phase delay compared to the first signal, and a combiner configured to combine said first and second output signals to provide a combined signal, wherein said phase delay is controlled such that an amplitude of said combined signal is controlled.

Abstract: A frequency divider including at least one frequency divider cell having an adjustable circuit configuration which may be selected adaptively according to properties of an oscillator signal to be frequency-divided in the frequency divider. Accordingly, the circuit configuration of the frequency divider may be changed on the fly during the operation.

Abstract: There is provided an electronic device comprising: a control block for providing a control signal; a voltage-controlled oscillator; a divider block; a detector block for receiving a frequency-divided output signal from the divider block, for receiving a reference frequency signal and for providing a feedback control signal to the voltage-controlled oscillator. The voltage-controlled oscillator is further configured to include a frequency offset to the voltage-controlled oscillator output signal; and the control block is further configured to control the frequency offset included in the voltage-controlled oscillator output signal on the basis of fractional division ratio information and actual division state information received from the phase-locked loop.

Abstract: A multi-part, distributed antenna arrangement including: an antenna element as a first part; and a semiconductor chip as a second part, separated from the first part, wherein the semiconductor chip comprises integrated radio frequency circuitry and a coupling element for wirelessly coupling the integrated radio frequency circuitry with the antenna element.