Abstract: An object of the present invention is to provide a mechanism for controlling a repeater that is less costly and more flexible. The objective is achieved by a method in a control unit (150) for controlling a repeater (100) being comprised in a radio access network (110). The control unit sends a repeater control message to the repeater (100). The repeater control message is tunneled as ordinary data communication via an available radio communication channel (160) within the radio access network (110). The repeater control message is configured to control the repeater (100).

Abstract: A method for allocating power and channels to connections in a multi-channel access based wireless communication system in which each connection is acting independently of the other. The quality of each channel of a connection is measured at successive time steps (n, n+1). The measurements from a previous time step (n) are used to allocate, in the following time step (n+1), an average power of all channels the connection uses as well as individual power settings in-between said channels. The average power is controlled using an outer fairness loop balancing the average channel power against average bit rate per channel. The individual power settings is controlled using an inner capacity loop allocating much power to good channels and restricted power to poor channels. Each loop has a respective target relation and the results of the loops are combined in order to determine transmission power in the next time step. The method is of distributed character and may execute on individual receiving nodes.

Abstract: According to the invention a receiving end terminal (RET) enters a delay mode based on the detecting of the quality of the link being lower than a threshold. In this delay mode, the receiving end terminal provides a reception delay indicator (RDI) for a sending end terminal (SET). The sending end terminal (SET) receives the reception delay indicator (RDI) and provides an end of speech indicator (ESI) for the receiving end terminal (RET) at an end of a speech coding interval (SC). The receiving end terminal (RET) uses the reception delay indicator (RDI) and end of speech indicator (ESI) to define a first time interval (AL1) during which a speech decoder is disabled. The speech decoder is again activated after the first time interval (AL1).

Abstract: In a method of enabling synchronization for a channel in an OFDM based telecommunication system initially providing a symbol for transmission and selecting at least two carrier frequencies, subsequently determining a respective weighting parameter for the selected frequencies and finally transmitting the symbol on all selected frequencies based on the weighting parameters.

Abstract: A repeater device (R) for use in a radio communication system comprises a detector (44), arranged for detecting any existence of radio signaling to and/or from a user terminal being situated in a vicinity of the repeater device (R). The repeater device (R) further comprises an amplifier arrangement (46), arranged for amplifying uplink and/or downlink traffic and means (48) for activating the amplifier arrangement. The means (48) for activating the amplifier arrangement is arranged for activating the amplifier arrangement (46) as a response to an existence of the radio signaling. A method for controlling operation of a repeater in radio communication system comprises detecting, in the repeater, of radio signaling to and/or from a user terminal being situated in a vicinity of the repeater. Amplification in the repeater is activated as a response to an existence of the radio signaling and uplink and/or downlink traffic is amplified.

Abstract: A radio repeater includes a first analyzer (22B) adapted to determine a time slot schedule. It also includes means (A1) for receiving control messages including uplink/downlink amplification requests for time slots in the determined schedule. A second analyzer (22A) is adapted to extract the uplink/downlink amplification requests from the received control messages. A control unit (24) is adapted to turn the uplink and downlink amplification on/off during the time slots depending on the extracted amplification requests.

Abstract: In a method for power control in a telecommunication system, the transmit power is adjusted based on at least the mutual information expression or a representation thereof. According to one aspect the transmit power for a coming slot is controlled based on the previously received slots, wherein an estimated quality is compared to a determined quality target based on the mutual information expression.

Abstract: One method for controlling operation of a repeater in radio communication system comprises determination whether operation of a node in the radio communication system benefits from assistance of a repeater and transmitting, from the node in the radio communication system, a radio signal to the repeater being indicative of an order to promptly activate the repeater if the benefit exists. One complementary method for controlling operation of a repeater in radio communication system comprises detection (252), in the repeater, of a radio signal being indicative of an order to activate the repeater. Amplification in the repeater is activated (254) as a response to such a detected radio signal and uplink traffic from a user terminal being located in a vicinity of the repeater and/or downlink traffic to the user terminal is amplified (256). A repeater, a node, a user terminal and a system operating according to the method are presented.

Abstract: A module (2) for integrity protection of messages transmitted from a mobile software defined radio (SDR) terminal (1), the module provided with a confined cryptographic key K and arranged to receive loaded SDR-code. The module derives an integrity protecting key Rk from at least said cryptographic key K, and provides a periodic integrity protection on-line of generated messages using said key integrity protecting key Rk, and the integrity of said messages is verified by an integrity checking node (10) of the access network.

Abstract: Available bandwidth is divided into multiple sub-channels, and respective sub-bands containing one or more of these sub-channels are allocated to one or more users. A first frequency allocation is determined, and mathematical operators are used to determine at least one further frequency allocation from the first frequency allocation. A frequency hopping sequence is then determined, including the first frequency allocation, and the or each further frequency allocation. A network node may perform the allocation method, and a user equipment may operate using the allocated bandwidth.

Abstract: An object of the present invention is to provide a mechanism for an improved network capacity when using fixed wireless terminal. The object is achieved by a method in a radio access network node for establishing at least two packet data tunnels for packet transmission, from a fixed wireless terminal in a local area network through a set of cells in a radio access network. The set of cells comprises at least two cells. The fixed wireless terminal is a radio access network node comprised in the radio access network. The radio access network comprises a plurality of potential cells to which the packet data tunnels may be established, whereof said set of cells are part of the potential cells.

Abstract: A method of adapting resource allocation parameters to reach one or more quality targets with improved accuracy is proposed. New information measurements based on the so-called mutual information, preferably at block-level, are introduced. The MI-based information measurements of a previous transmission, the channel prediction of a subsequent transmission and one or more quality requirements, are used to determine the amount and type of resources, e.g. time, frequency and power resources, that are to be used for the subsequent transmission. The resource allocation can for example comprise power allocation and/or link adaptation and the invention enables an advantageous implementation with cooperative link-adaptation and power allocation. The proposed method is useful in connection with ARQ/HARQ retransmissions.

Abstract: The present invention relates to a method and apparatus for selecting radio resources for transmission of data over a radio link to which at least two resource units have been allocated. At least one resource unit is selected out of the allocated resource units, wherein the selection is determined in dependence of the result of checking whether values of a quality measure of the allocated resource units fall within a certain range.

Abstract: A method for allocating power and channels to connections in a multi-channel access based wireless communication system in which each connection is acting independently of the other. The quality of each channel of a connection is measured at successive time steps (n, n+1). The measurements from a previous time step (n) are used to allocate, in the following time step (n+1), an average power of all channels the connection uses as well as individual power settings in-between said channels. The average power is controlled using an outer fairness loop balancing the average channel power against average bit rate per channel. The individual power settings is controlled using an inner capacity loop allocating much power to good channels and restricted power to poor channels. Each loop has a respective target relation and the results of the loops are combined in order to determine transmission power in the next time step. The method is of distributed character and may execute on individual receiving nodes.

Abstract: The present invention relates to a power control method in a wireless station and a wireless station implementing said method. A transmission power is selected for transmission of a signal (e.g. a Request to Send control frame or a Clear to Send control frame) locally reserving a wireless medium for communication of data involving the wireless station based on Quality of Service requirements associated with said communication of data. Said signal is transmitted at said selected transmission power.

Abstract: A method for improved outer loop power control in a communication system, comprising collecting (S1) quality measurements for a plurality of sub-block within a received coding block; mapping (S2?) the collected sub-block level quality measurements to a block level quality measure, and adjusting (S3?) the inner loop power control requirement based at least on a representation of the block level quality measure.

Abstract: In a method for power control in a telecommunication system, the transmit power is adjusted based on at least the mutual information expression or a representation thereof. According to one aspect the transmit power for a coming slot is controlled based on the previously received slots, wherein an estimated quality is compared to a determined quality target based on the mutual information expression.

Abstract: Systems and methods of cell selection are based on measures of frequency selectivity, time selectivity, and/or antenna selectivity. For example, the delay spread and coherence bandwidth of a channel are two measures of frequency selectivity that can be taken into account in the cell selection process. In addition to or instead of either delay spread or coherence bandwidth, Doppler frequency shift or coherence time (which are two measures of time selectivity) and/or antenna correlation or mean signal strength per antenna (which are two measures of antenna selectivity), among other parameters, can be determined and taken into account.

Abstract: A method of adapting resource allocation parameters to reach one or more quality targets with improved accuracy is proposed. New information measurements based on the so-called mutual information, preferably at block-level, are introduced. The MI-based information measurements of a previous transmission, the channel prediction of a subsequent transmission and one or more quality requirements, are used to determine the amount and type of resources, e.g. time, frequency and power resources, that are to be used for the subsequent transmission. The resource allocation can for example comprise power allocation and/or link adaptation and the invention enables an advantageous implementation with cooperative link-adaptation and power allocation. The proposed method is useful in connection with ARQ/HARQ retransmissions.

Abstract: A method and apparatus provides for control of the quality of service for service groups by controlling the power of each service group. The carrier-to-interference requirements for which each service group achieves its minimum acceptable link quality is determined. The difference in carrier-to-interference requirements due to different requirements of fractions of satisfied users is compensated for. A power offset between the service group is determined using the compensated carrier-to-interference requirements.