Abstract: The present invention relates to a method for energy saving in a telecommunication system with at least one first base station 24 for enabling communication within a first cell. A signal having a frame structure is transmitted in the first cell by the first base station 24. The structure of at least some frames comprises an overhead part with at least synchronization or system information. The first base station 24 is in a normal mode operated to transmit at least the overhead part so that it substantially reaches all user terminals within the first cell covering a first area 27. The method is particularly characterized in that the first base station 24 in a power saving mode is operated to transmit at least the overhead part so that it substantially reaches all user terminals within the first cell covering a second area 23 being larger than the first area 27.

Abstract: A signal having a frame structure is transmitted and received in a cell by a first base station, the structure of the frame having a downlink frame part and an uplink frame part. Each frame part has the ability of carrying at least one data region allocated to at least one user or broadcasted for the traffic flow between the telecommunication network and the user terminal via the first base station. The downlink frame part has an overhead part with at least synchronization or system information. The frame structured signal is transmitted periodically Frame N, Frame N+1, Frame N+2, Frame N+3 with a normal interval defined by the system. The system during, a power saving mode, increases the interval between at least a first and the next following second frame structured signal to a power saving interval.

Abstract: The present invention is directed to a method and a node arrangement for extending the cell range in a wireless communication system, which communication system comprises a communication network arranged to operatively communicate with at least one mobile terminal via an air interface having a cell range extending to a cell edge, and at least one mobile terminal arranged to operatively communicate with said communication network via said air interface. The method comprises the steps of: obtaining information about the condition of an up-link signal from said at least one mobile terminal; determining whether said terminal is located at or near the cell edge, and extending the cell range by increasing the time for up-link transmission if the terminal is located at or near the cell edge.

Abstract: The present invention relates to a method for energy saving in a telecommunication system with at least one first base station 24 for enabling communication within a first cell. A signal having a frame structure is transmitted in the first cell by the first base station 24. The structure of at least some frames comprises an overhead part with at least synchronization or system information. The first base station 24 is in a normal mode operated to transmit at least the overhead part so that it substantially reaches all user terminals within the first cell covering a first area 27. The method is particularly characterized in that the first base station 24 in a power saving mode is operated to transmit at least the overhead part so that it substantially reaches all user terminals within the first cell covering a second area 23 being larger than the first area 27.

Abstract: A signal having a frame structure is transmitted and received in a cell by a first base station, the structure of the frame having a downlink frame part and an uplink frame part. Each frame part has the ability of carrying at least one data region allocated to at least one user or broadcasted for the traffic flow between the telecommunication network and the user terminal via the first base station. The downlink frame part has an overhead part with at least synchronization or system information. The frame structured signal is transmitted periodically Frame N, Frame N+1, Frame N+2, Frame N+3 with a normal interval defined by the system. The system during, a power saving mode, increases the interval between at least a first and the next following second frame structured signal to a power saving interval.

Abstract: A central unit for a multi-carrier system receives both multi-carrier and single carrier signals. The single carrier wave is a carrier wave that is part of the multi-carrier system for which the central unit is designed. The central unit schedules transmission from the single-carrier equipment in interaction with the single-carrier equipment.

Abstract: Method of communicating frames of digital data by OFDM modulated signals comprising a first plurality of payload carrying sub-channels and a second plurality of pilot carrying sub-channels, whereby consecutive frames of payload data is are associated with a given pilot configuration and transmitted. Prior to the transmission of a frame of payload data, each of the plurality of pilot configurations are evaluated with regard to PAPR, whereby the pilot configuration being associated with the lowest PAPR value is being chosen for transmission.

Abstract: The invention relates to a central unit for a multi-carrier system, which comprises equipment for receiving a signal consisting of a plurality of carrier waves, and additionally comprises equipment for receiving a signal from equipment which transmits on one carrier wave, single-carrier equipment, in which this one carrier wave is a carrier wave that is part of the multi-carrier system for which the central unit is designed. The central unit is suitably equipped with means for scheduling the transmission from the single-carrier equipment in interaction with the single-carrier equipment.