| Patent application number | Description | Published |
|---|
| 20080293444 | Method For Power Control in a Wireless Station - 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. | 11-27-2008 |
| 20080304455 | Method, System, Mobile Communication Terminal and a Node Adapted for End-to-End Quality Access Selection of an Access Network - In a method of selecting an access network from among one or more access networks capable of providing service to a mobile communication terminal, measuring (S | 12-11-2008 |
| 20080305744 | Wireless Station and Method in a Wireless Station for Initiating Resource Measurements - The present invention relates to a method and a wireless station for initiating radio resource measurements. A wireless station identifies a need for radio resource measurements by a second wireless station despite there is no association between the wireless station and the second wireless station allowing direct radio communication between said stations. The wireless station initiates a request for radio resource measurements by the second wireless station. | 12-11-2008 |
| 20080318612 | Method and Apparatus For Limiting Peer-to-Peer Communication Interference - Peer-to-peer communication between user terminals in a licensed spectrum is enabled by a method comprising the following steps: —communicating directly, peer-to-peer, between the first and the second mobile terminal, and —disconnecting the peer-to-peer communication in dependence of control signals received or not received from the base station. Thus, according to the invention, the network is enabled to control the peer-to-peer communication between two user terminals. | 12-25-2008 |
| 20090022133 | EFFICIENT ENCODING OF CONTROL SIGNALING FOR COMMUNICATION SYSTEMS WITH SCHEDULING AND LINK - The invention relates to a method of sending control information from a first node to a second node in a communications system providing a plurality of resource units for the transmission of data. The control information is sent by use of a code book comprising at least one code word identifying control information relating to data transmission over a resource unit. The code book is dynamically updated by means of repeatedly transmitting an updated version of code book information from the first node to the second node. The invention also relates to a first communications node comprising means for transmitting control information to a second node. The means for transmitting control information is adapted to transmitting the control information by use of a code book; and to repeatedly transmitting an updated version of code book information in order to achieve that the code book is dynamic. | 01-22-2009 |
| 20090059852 | Method And Apparatus For Allocation Of Radio Resources - An estimate of a cost of allocating radio resources available for allocation to the at least one radio link within a cell is generated in dependency | 03-05-2009 |
| 20100014423 | Transmission in a Shared Medium Having Different Access Modes - A method of controlling access in a telecommunication network in which a communication medium, such as a set of frequencies, time slots, or codes, is shared among a plurality of mobile units. Transmissions from the mobile units utilize different access modes, such as a direct access mode and a scheduled access mode. Additionally, the transmissions are divided into different communication types, each having an associated priority. A mode access control unit determines for each priority, which access mode to utilize for the associated communication type. Mobile units having data to transmit access the shared communication medium utilizing the access mode determined for the priority of the communication type to which the data belongs. | 01-21-2010 |
| 20100067418 | METHOD AND ARRANGEMENT FOR REDUCING POWER CONSUMPTION IN USER EQUIPMENTS IN MULTI-CARRIER RADIO SYSTEMS - The present invention relates to a method and an arrangement for reducing power consumption in the user equipments in power saving mode in a communication network, comprising a communication network node transmitting information on shared control channels (SCCH) to one or more user equipments. The information is transmitted over either a narrow or a wide bandwidth depending on which mode said one or more user equipments are, either a power saving mode or an active mode. | 03-18-2010 |
| 20100069071 | METHOD AND ARRANGEMENT FOR HANDOVER IN A RADIO ACCESS NETWORK - An object of the present invention is to provide a mechanism for handling a handover in a more efficient way. The invention relates to a method in a mobility controller ( | 03-18-2010 |
| 20100118836 | Method and Arrangement in a Telecommunication System - The present invention relates to a method for sending reserved sub-carriers to a UE for the purpose of reducing peak to average power ratio (PAPR) of the transmitted signal to ensure sufficient quality of the modulated signal to achieve high data rate, including the steps of sending the information related to dynamic activation and deactivation of reserved sub-carriers on a common channel, which is readable for all UEs in idle and in connected mode; dynamically activating the transmission of the reserved sub-carriers in a cell when high modulation quality is to be maintained; dynamically deactivating the transmission of the reserved sub-carriers in a cell when high modulation quality is not required. The invention furthermore relates to a radio base station and a UE relating to said method. | 05-13-2010 |
| 20100128618 | Inter-Cell Interference Co-Ordination - The invention relates to a cold-working steel having the following chemical composition in % by weight: 1.3-2.4 (C+N), whereof at least 0.5 C, 0.1-1.5 Si, 5 0.1-1.5 Mn, 4.0-5.5 Cr, 1.5-3.6 (Mo+W/2), but max 0.5 W, 4.8-6.3 (V+Nb/2), but max 2 Nb, and max 0.3 S, 10 in which the content of (C+N) on the one hand and of (V+Nb/2) on the other hand, are balanced in relation to each other such that the contents of these elements are within an area that is defined by the coordinates A, B, C, D, A in the system of coordinates in FIG. | 05-27-2010 |
| 20100165894 | METHOD AND ARRANGEMENT FOR MANAGING A REFERENCE SIGNAL FOR UPLINK CHANNEL ESTIMATION IN A COMMUNICATIONS SYSTEM - An object of the present invention is to provide a mechanism of measuring a reference signal that is less over head consuming and less time consuming. The object is achieved by a method for managing uplink channel estimation in a base station. The base station is comprised in a radio access network using Frequency Division Duplex (FDD). The base station is associated with a first cell of a number of cells within the radio access network. The base station is adapted to connect at least one mobile terminal, being situated in the first cell, to a network infrastructure. The method comprises the step of transmitting a redirected reference signal on an uplink band to the mobile terminal. The redirected reference signal is intended for uplink channel estimation. | 07-01-2010 |
| 20100184437 | Radio Resource Management Based on Parameters Indicating Imbalance between Uplink and Downlink - The present invention relates to methods and arrangements for radio base stations of a wireless communication network, enabling each radio base station to transmit parameters indicating imbalance between UL and DL to adjacent radio base stations, when it is triggered to do so. The adjacent radio base stations can then use the parameters for radio resource management decisions such as HO decisions, whenever needed. | 07-22-2010 |
| 20100210297 | Method and Arrangement in a Telecommunication System - The present invention provides a user equipment for a telecommunications system, the telecommunications system comprising at least a first radio basestation. The user equipment comprises means for controlling a transmission power of the user equipment, such that said transmission power has a first value for a first set of one or more signals sent over a physical channel between the user equipment and the first radio basestation. The first value and said second value are different. In alternative embodiments, the second set of signals are transmitted taking into account information from the serving cell and a neighbouring cell, while the first set of signals are transmitted taking into account information from the serving cell only. | 08-19-2010 |
| 20100238892 | UPLINK POWER CONTROL METHOD IN A TELECOMMUNICATIONS NETWORK SYSTEM THAT SUPPORTS BOTH COMMON AND SEPARATE TPC COMMANDS - A transmit power control (TPC) method and a user equipment (UE) of a telecommunications network utilizing the TPC method. The UE receives TPC commands intended for traffic and control channels. The TPC commands are separately identified by logical or physical resources associated with the channels. When the traffic and control channel TPCs occupy the same resources, the UE applies common power control commands to the traffic and control channels. When the traffic and control channel TPCs occupy different resources, the UE applies separate power control commands to the traffic and control channels. | 09-23-2010 |
| 20100265900 | METHODS AND DEVICES FOR RANDOM ACCESS POWER CONTROL IN A COMMUNICATIONS NETWORK - The invention relates to a method in a first communication device within a communications network for designing a random access transmission power setting of the first communication device comprising to receive ( | 10-21-2010 |
| 20100285830 | Uplink Power Control for Power Limited Terminals - Transmit power control methods and apparatus are disclosed. In several embodiments, a mobile terminal ( | 11-11-2010 |
| 20100296547 | METHOD TO MODIFY THE FREQUENCY HOPPING SCHEME BY EXTENDING THE VALIDITY OF THE REFERENCE SIGNALS - The present invention increases the interference diversity in systems with the frame structure described above by using frequency hopping sequences that are selected considering characteristics of the channel relating to how the channel varies. According to a first embodiment, the channel characteristics relate to channel coherence time and according to a second embodiment, the channel characteristics relate to channel coherence bandwidth. For channels with long coherence times, the transmission hops back and forth several times during a TTI on the different available frequencies. For channels with widecoherence bandwidths, hopping may be performed between the frequency used by the reference signals and its neighbor frequencies. For channels with both long coherence times and widecoherence bandwidths, a combination may be used. | 11-25-2010 |
| 20100309801 | METHODS AND ARRANGEMENTS IN A MOBILE TELECOMMUNICATIONS SYSTEM - The present invention relates to a solution for taking into account that the interference, which each of the transmission resource elements is affected by, may differ between the different transmission resource elements when determining an interference estimate by determining a mixed interference estimate, e.g. based on both reference symbols and data symbols. Furthermore, signalling from the network is also introduced which makes it possible to control what the mixed interference estimate should be based on. | 12-09-2010 |
| 20100323688 | Network-Controlled E-UTRAN Neighbour Cell Measurements - The present invention relates to methods and arrangements in a telecommunication system for network-controlled bandwidth for neighbor cell measurements. An appropriate network unit in the serving cell signals measurement bandwidth values to the UE which uses the signal values to perform one or more downlink measurements on the serving as well as the neighbor cells. | 12-23-2010 |
| 20110009116 | SCHEDULING OF UPLINK MEASUREMENT REPORTS - In a wireless communication system, the uplink transmission of measurement reports may be scheduled based on an estimated time of when a measurement report will be ready for transmission. The estimated time may be calculated at a base station or user equipment. | 01-13-2011 |
| 20110045838 | MULTI-CELLULAR LOAD DEPENDENT SCHEDULING - The present invention relates to a scheduler selector and a method for improving network quality by controlling intercellular interference of a multi-cellular mobile radio communication network. The radio communication traffic is controlled by a user traffic scheduler principle. The network quality is improved by selecting another scheduling principle among a number of pre-defined and selectable scheduling principles than the scheduling principle working for the moment in a cell in said network. Said selection being initiated as a result of an intracellular Quality data processing wherein the network quality is determined to be possible to improve. | 02-24-2011 |
| 20110075594 | Uplink Power Control in a TDD Communication System - A method performed in a wireless network includes receiving signals within a downlink frequency domain to enable channel estimation and measuring two or more signals only for two or more frequency bands of the downlink frequency domain that correspond to two or more uplink frequency bands associated with a scheduling grant or channel allocation that correspond to physical uplink channel frequency bands. The method also includes calculating path loss values for each of the frequency bands and calculating a total power based on the path loss values corresponding to the frequency bands. The method further includes determining a power allocation per frequency band based on the calculated total power to be applied to an uplink transmission and allocating the total power. | 03-31-2011 |
| 20110117952 | System and Method for Resuming Power Control after Interruption - System and method for controlling the transmit power of a mobile terminal. In some embodiments, a transmit power correction factor for a mobile terminal is set to the average transmit power correction factor for all active mobile terminals in the same cell as the mobile terminal. | 05-19-2011 |
| 20110128930 | Method for Link Adaptation with a Signal Quality Margin on the Bandwidth - Method and arrangement in a base station for selecting a transmission parameter. The selected transmission parameter is used when sending a signal over a radio channel to a user equipment in a wireless communication network. The radio channel is allocated bandwidth for signalling. The method comprises the step of obtaining an estimation of the signal quality of the radio channel. Also, the allocation to the radio channel. Further yet, the method may comprise the step of calculating a signal quality margin, which signal quality margin is based on the bandwidth size. Still further, the method comprises the step of selecting the transmission parameter based on the estimated signal quality of the radio channel and the calculated signal quality margin. | 06-02-2011 |
