Patent application number | Description | Published |
20100067615 | Method for Optimizing Signals with Multiple Subcarriers - The invention relates to a method for coding data in a transmitted signal, wherein the transmitted signal comprises multiple subcarriers with orthogonal frequencies, the method comprising the step of modulating the signals corresponding to a given subset of the subcarriers of the transmitted signal in order to encode information and the step of modulating the signal corresponding to least one reserved subcarrier depending on at least one optimization criterion relating to a quality of the overall transmitted signal. In order to enhance the quality of the transmitted signal, the optimization criterion depends on at least one first quantity relating to a peak-to-average-power ratio of the transmitted signal and on at least one second quantity relating to an out-of-band power of the transmitted signal. | 03-18-2010 |
20100151813 | , NETWORK AND DEVICE FOR INFORMATION PROVISION BY USING PAGING AND CELL BROADCAST SERVICES - Informing a number of users about an emergency or other situation of public interest is accomplished using a broadcast service. A specific identifier is used in a paging message for activating broadcast service in terminals. A terminal checks a received paging message with regard to the presence of the specific identifier and when detecting the specific identifier, switches to a broadcast mode for receiving broadcast content. The received broadcast emergency content is notified and/or displayed to the users of the terminals. | 06-17-2010 |
20110076964 | Re-Activation of a Base Station in Standby Mode - The present invention relates to methods, apparatuses, a system and a computer program product for reducing a power consumption in low load scenarios. An apparatus can include transmitting means, receiving means and determining means for determining whether a signal quality of a broadcast channel of a wireless network cell is insufficient, wherein the transmitting means may transmit on a wireless access channel an activation information to a further apparatus if the determination is affirmative. The activation information can indicate that disabled transmitting means of the further apparatus should be re-enabled. The further apparatus may include transmitting means, receiving means disabling means for disabling the transmitting means and enabling means for re-enabling the transmitting means, wherein the receiving means can be configured to receive the activation in-formation, and wherein the enabling means may be configured to re-enable the transmitting means if the activation information is received. | 03-31-2011 |
20110195707 | Apparatus, Method and Program Providing a Confidence Estimation of Coverage Hole Detection - Method, apparatus and software configured to detecting a radio coverage hole and providing a confidence information of a detected radio coverage hole. A coverage hole detection signal and confidence information may be received and evaluated, deciding on a potential coverage hole reducing or closing process depending on the evaluation. | 08-11-2011 |
20110223854 | Data Load Redistribution Within a Relay Enhanced Telecommunication Network - It is described a method for changing the data load distribution within a telecommunication network comprising including a first base station, a second base station and a relay node being connected to the first base station and/or to the second base station. The described method includes (a) establishing for each of a plurality of user equipments a first indirect connection to the first base station via the relay node, (b) establishing in a collective manner for each of the plurality of user equipments a second indirect connection to the second base station via the relay node, and (c) terminating in a collective manner for each of the plurality of user equipments the first indirect connection. It is further described a network element, which is adapted to carry out the above described data load redistribution method, and a computer program, which is adapted for controlling the above described data load redistribution method. | 09-15-2011 |
20110292799 | Handling of Overloads and Handovers in a Communications Network - The present invention refers to handling of an overload in a communications network and to handling of handovers occurring after the handling of handovers in the communications net work, wherein said communications network is based upon a tree topology providing several levels of nodes in said communications network. According to the present invention, in formation about an overload is provided through several levels of nodes in communications network, starting from the node, with regard to which said overload has occurred, and ending with nodes being located in levels arranged upside the level, in which the overload occurred, and being connected directly or indirectly with the node, with regard to which said overload has occurred. When handling a handover from a cell in a node, which is affected by the overload, the handover will be allowed only if the cell comprises at least one node, which is also affected by the overload. | 12-01-2011 |
20120149363 | Method and Apparatus for Power Reduction Control in Home Network Environment - There are provided measures for power reduction control in a home network environment, which may be applicable in an interworking of a home network area and a macro network area. Such measures for power reduction control may for example include, upon receipt of an initial power reduction command from a network element of a macro network area, reducing a transmit power in a home network area by a predetermined power reduction amount and starting a timer with a predetermined time period, and upon receipt of a further power reduction command from a network element of a macro network area as long as the timer is not expired, discarding the further power reduction command. | 06-14-2012 |
20120309384 | Method for Controlling Interference in a Radio Communications System and Apparatus Thereof - Method and Apparatus thereof, for controlling intercell interference in a radio communications system having a plurality of user equipment and a plurality of access nodes including the steps of: a user equipment of said plurality connected to a serving access node, upon determining that an access node of said plurality is causing interference, transmitting a request to said serving access node; said serving access node forwarding said request to an apparatus controlling said interfering access node over an X2 interface, and said apparatus, instructing said interfering access node to execute said request. | 12-06-2012 |
20130337811 | Relay Node Configuration in Preparation for Handover - A method of initiating configuration of at least one station includes receiving capability information of at least one second base station when the at least one station is within a cell area of a first base station. The method also includes determining some configuration information of the at least one station based on the received capability information. Configuring the at least one station according to the configuration information before the at least one station is handed over from the first base station to the at least one second base station is then initiated. | 12-19-2013 |
20140018071 | Scheduling in Coordinated Multi-Point Transmission Scheme - Methods, a user equipment, a base station and a computer program product for managing assignments between user equipments and cooperation areas are provided. The present invention discloses receiving, at a base station belonging to a cooperation area, a connection request message from a user equipment to be connected to the cooperation area. The connection request message includes a parameter indicating preference information. It is determined, on the basis of the parameter, whether the user equipment is allowed to connect to the cooperation area. A connection acknowledgement/non-acknowledgement message is forwarded from the base station to the user equipment. The present invention discloses acquiring information about reachable cooperation areas, determining preference information with respect to the reachable cooperation areas, sending a connection request message including preference information to a reachable cooperation area, and selecting the cooperation area to which the connection request message was sent if a connection acknowledgement message is received. | 01-16-2014 |
20140348011 | VOIP Cooperative Multipoint Solution - It is provided a user equipment, including mode switching means adapted to switch, autonomously or based on a command from a base station of a communication system to which the user equipment belongs, the user equipment into a low data rate mode; measuring means adapted to measure a downlink reference signal received on a downlink from the base station; feedback preparing means adapted to prepare a feedback based on the measurement by the measuring means; encoding means adapted to encode the feedback, thus obtaining encoded data; modulating means adapted to modulate the encoded data; and providing means adapted to provide the modulated encoded data for being sent on the uplink at a predetermined time after the downlink reference signal was received, if the user equipment is in the low data rate mode. | 11-27-2014 |
20150009933 | CONFIGURING A COMMUNICATION CHANNEL BETWEEN A BASE STATION AND A USER EQUIPMENT - A method is provided wherein a base station and at least one further base station are assigned to a cooperation area, wherein a user equipment is served by the base station. The method comprises determining, by the base station), whether all user data of the user equipment being required for a precoding coordinated multipoint transmission is received by each of the base station and the at least one further base station, selecting a transmission mode, wherein the transmission mode is based, if all user data of the user equipment being required for a precoding coordinated multipoint transmission is received by each of the base station and the at least one further base station, on precoding coordinated multipoint transmission, or else, on an interference reducing transmission, and configuring, by the base station, the communication channel between the base station and the user equipment based on the selected transmission mode. | 01-08-2015 |
20150024776 | OPTIMIZING COOPERATION AREAS AND COVER SHIFTS IN CELLULAR COMMUNICATIONS NETWORK SYSTEMS - In a cellular communications network system comprising a plurality of cells including a first cell and second cells different from and present in the neighborhood of the first cell, measurement reports are repeatedly received from user equipments, each including a first signal strength value corresponding to a signal strength measured from the first cell over a short time period and n second signal strength values corresponding to signal strengths measured over the short time period from n second cells, which correspond to the n strongest signal strengths measured from the second cells, n being an integer greater than one. A value of a counter is incremented which corresponds to a potential cooperation area formed by the first cell corresponding to the first signal strength value and the n second cells corresponding to the n second signal strength values. | 01-22-2015 |
20150038105 | METHOD, NETWORK AND DEVICE FOR INFORMATION PROVISION BY USING PAGING AND CELL BROADCAST SERVICES - Informing a number of users about an emergency or other situation of public interest is accomplished using a broadcast service. A specific identifier is used in a paging message for activating broadcast service in terminals. A terminal checks a received paging message with regard to the presence of the specific identifier and when detecting the specific identifier, switches to a broadcast mode for receiving broadcast content. The received broadcast emergency content is notified and/or displayed to the users of the terminals. | 02-05-2015 |
20150038106 | METHOD, NETWORK AND DEVICE FOR INFORMATION PROVISION BY USING PAGING AND CELL BROADCAST SERVICES - The invention relates to a method, terminal and network or entity wherein a broadcast service is used for informing a number of users on an emergency or other situation of public interest. A specific identifier is used in a paging message for activating broadcast service in the terminals. A terminal checks a received paging message with regard to the presence of the specific identifier and when detecting the specific identifier, switches to a broadcast mode for receiving broadcast content. The received broadcast emergency content is notified and/or displayed to the users of the terminals. | 02-05-2015 |
20150049664 | Method for Controlling a Multi-Hop Transmission - Method for controlling a multi-hop transmission it is described a method for controlling a multi-hop transmission of a data packet between a base station and a user equipment via at least one relay node. A maximum allowable time period for transmitting the data packet between the base station and the user equipment via the at least one relay node is specified. The method includes calculating, based on a time information associated with a time period, which has been needed for a transmission of the data packet to the at least one relay node, and the maximum allowable time period, a remaining time period being available for the at least one relay node for transmitting the data packet, and controlling the transmission of the data packet from the at least one relay node to the base station or the user equipment based on the calculated remaining time period. | 02-19-2015 |
20150071248 | TECHNIQUES FOR RELOCATING A BACKHAUL CHANNEL BETWEEN A SMALL CELL BASE STATION AND A MACRO CELL BASE STATION - Examples are disclosed for handover/relocation of a backhaul channel between a small cell base station and a macro cell base station. The handover/relocation may be responsive to possibly changing conditions associated with a wireless link over which the backhaul channel may be established. Other examples are described and claimed. | 03-12-2015 |