Patent application number | Description | Published |
20100317356 | APPARATUS AND METHOD FOR INTERWORKING BETWEEN MULTIPLE FREQUENCY BAND MODES - In accordance with an example embodiment of the present invention, a method is disclosed that comprises signaling by a user equipment (UE) to indicate a support for at least a second frequency band mode in addition to a first frequency band mode, wherein the first frequency band mode and the second frequency band mode have at least one overlapping frequency channel; and receiving from a base station at least one resource allocation message to allocate at least one of a downlink channel and an uplink channel that complies to at least one of a plurality of radio frequency (RF) restrictions of the second frequency band mode. | 12-16-2010 |
20130294415 | Dynamic Spectrum Refarming with Multiple Carriers - The present invention relates to dynamic spectrum refarming with multiple carriers. At a first communication system of a first radio access technology, a request is received in a first signaling message from a second communication system of a second radio access technology, the request including information on availability of spectrum blocks shared between the first and second communication systems. The availability of the spectrum blocks may have been determined based on a load of the second communication system. The first communication system performs carrier aggregation mechanisms based on the information with respect to the spectrum blocks, and may transmit a response to the request in a second signaling message to the second communication system, the response including an acknowledgment of an activation/deactivation of at least one additional carrier and/or a corresponding carrier aggregation. | 11-07-2013 |
20130336178 | TDD Data Transmission on Multiple Carriers with Sub Frames Reserved for Predetermined Transmission Directions - Apparatus and method for communication are provided. The apparatus includes a controller for controlling the transmission and reception of data on one or more carriers utilizing Time Division Duplexing and frames including sub frames, where multiple carriers utilized by different apparatuses are synchronized with each other and a predetermined number of sub frames of each frame are reserved for predetermined transmission directions and a scheduler for allocating the rest of the sub frames carrier specifically either in downlink or uplink direction. | 12-19-2013 |
20140248888 | Method and Apparatuses for Configuring a Communication Channel - There is provided a method for configuring a communication channel between a base station and a user equipment within a cellular network system. The cellular network system includes at least one cooperation area. The base station is assigned to the at least one cooperation area, and the user equipment is served by the base station. The method includes applying, by the base station, a vertical sectorization and thereby creating the at least one cooperation area, determining, by the base station, the location of the user equipment in relation to the at least one cooperation area, and configuring, by the base station, the communication channel between the base station and the user equipment by using coordinated multipoint processing, if the determined location of the user equipment corresponds to a predetermined location. | 09-04-2014 |
20140293889 | Controlling Retransmissions - A method and apparatus for controlling retransmissions in multipoint reception is disclosed. In the method it is determined that additional information is needed for decoding of at least one received information block. A procedure is selected for obtaining the additional information from a plurality of options to proceed based on information about predicted result of at least one of the options. In accordance with an aspect an indication of one of a positive according knowledgement of the information block, a negative acknowledgement of the information block and suspension of retransmission of the information block is generated and communicated on a retransmission control channel. | 10-02-2014 |
20150009948 | DEMODULATION REFERENCE SIGNALS (DMRS)FOR SIDE INFORMATION FOR INTERFERENCE CANCELLATION - Embodiments for providing demodulation reference signals to provide side information for interference cancellation are generally described herein. In some embodiments, a sub-frame is prepared comprising two slots and configuring a physical resource block (PRB) for each slot, wherein each PRB comprises twelve Orthogonal Frequency Division Multiplexing (OFDM) subcarriers transmitting for a duration of 7 OFDM symbols per slot. In resource elements on each of three of twelve OFDM subcarriers, two pairs of demodulation reference signals (DMRS) are allocated to form three DMRS sets. Symbols are mapped with a first modulation for the two pairs of demodulation reference signals to three of the twelve OFDM subcarriers for transmission. A second modulation is added to a first of the three DMRS sets and a third modulation is added to a second of the three DMRS sets to indicate side information regarding an interfering signal for use in mitigating the interfering signal. | 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 |
20150078251 | COMMUNICATION TERMINAL DEVICE AND METHOD FOR OPERATING A COMMUNICATION TERMINAL DEVICE - According to an aspect of this disclosure a communication terminal device is provided, comprising: a transceiver configured to communicate with a communication device according to a retransmission protocol; a controller configured, for a message transmitted from the communication device to the communication terminal device, to at least one of decide, upon a successful receipt of the message from the communication device, if the controller controls the transceiver not to transmit an acknowledgement message which is to be transmitted according to the retransmission protocol; and decide, upon an unsuccessful receipt of the message from the communication device, if the controller controls the transceiver not to transmit a negative acknowledgement message which is to be transmitted according to the retransmission protocol. | 03-19-2015 |
Patent application number | Description | Published |
20100067472 | Backward compatible physical uplink control channel resource mapping - A method for uplink signaling is described. The method includes determining one or more macro-configuration parameters. The one or more macro-configuration parameters define a resource allocation mapping for a control channel. A set of parameters including one or more micro-configuration parameters and the one or more macro-configuration parameters are generated. A transmission of the set of parameters to one or more user equipment is caused to be sent. Apparatus and computer readable media are also described. | 03-18-2010 |
20110151913 | Fine-Grain and Backward-Compliant Resource Allocation - There is provided fine-grain and backward-compliant resource allocation, including allocating, to a control channel, one of a first plurality of bandwidths being standardized for a first radio access standard, and allocating, to a data channel, one of a second plurality of bandwidths being standardized for a second radio access standard, the second bandwidths plurality exceeding the first bandwidths plurality in terms of at least one of granularity and range. The thus disclosed resource allocation may exemplarily be applied on a downlink. | 06-23-2011 |
20110205976 | UE Specific Signaling Carrier Indicator For Carrier Aggregation - A node of a communication system having a plurality of aggregated component carriers CCs determines that a user equipment UE is capable of operating simultaneously on multiple CCs. During configuration or re-configuration of the UE, the node sends to the UE radio resource control RRC signaling along with an indication of which of the plurality of CCs to which the RRC signaling applies. In an embodiment the determining is from a UE capability information element that the UE sends which indicates at least a maximum number of downlink or uplink CCs on which the UE can simultaneously communicate. There may be a separate indication for each downlink and each uplink CC to which the RRC signaling applies, and the CCs for which the RRC signaling relates may be reconfigured upon handover to another cell or during any configuration/re-configuration. | 08-25-2011 |
20110222479 | Transmission and Reception of a Wideband Signal with Narrowband Interference - It is disclosed a method including accommodating, in frequency domain, a first bandwidth of a first carrier signal with respect to a second bandwidth of a second carrier signal such that the first bandwidth adjoins to or overlaps the second bandwidth, the first bandwidth being greater than the second bandwidth. In a further aspect, prior to the transmission, the interference of the modulated second carrier signal is subtracted from each of the plurality of subcarrier signals of the first carrier signal. | 09-15-2011 |
20110223922 | Wireless Cellular Network Using Adaptive Beamforming with Different Coverage for Control and Data Channels - A method and a device for data processing in a wireless communication system, in particular in a cellular system, are suggested, wherein an N-to-M control-to-data sectorization is provided to at least one mobile terminal, and wherein N corresponds to a number of control sectors and M corresponds to a number of data sectors. Furthermore, a mobile terminal for such an approach as well as a communication system comprising said device are provided. | 09-15-2011 |
20120075989 | Controlling UE Emissions for Avoiding Self-Interference and for Demanding Coexistence Situations - It is provided an apparatus, including scheduling means configured to allocate one or more resource blocks to a channel in an uplink frequency band and/or a downlink frequency band according to a first telecommunication standard and the available frequency band for the uplink or downlink, respectively, wherein the scheduling means is additionally configured to take into account a limit of resource blocks to be allocated to the channel, and wherein the limit is at least one of an allowed resource block, a resource block to be avoided, a width of a range of allowed resource blocks, a non-usage information of the channel, an upper allowed resource block, and a lower allowed resource block, an upper limit of the number of resource blocks, a lower limit of the number of resource blocks, and any reasonable combinations of the limits mentioned. | 03-29-2012 |
20120106472 | Methods, Apparatuses, System, Related Computer Program Product and Data Structure for Uplink Scheduling - It is disclosed a method (and related apparatus) including allocating a first bandwidth portion of a first transmission channel of a first communication network cell based on a restriction imposed by a second bandwidth portion, at least partially overlapping the first bandwidth portion, of a second transmission channel of at least one second communication network cell neighboring the first communication network cell; and a method (and related apparatus) including transmitting signals relating to at least one of control and data in an allocated first bandwidth portion of the first transmission channel of the first communication network cell allocated based on the restriction imposed by the second bandwidth portion, at least partially overlapping the first bandwidth portion, of the second transmission channel of the at least one second communication network cell neighboring the first communication network cell. | 05-03-2012 |
20120163319 | Enhanced Physical Downlink Shared Channel Coverage - An apparatus is provided, including an observing function configured to observe an indication about the coverage status of a user equipment; a deciding function configured to decide, based on the indication, to switch into a coverage extension mode; a providing function configured to provide a scaling number in dependence of the coverage extension mode; an allocating function configured to allocate, for data to be transmitted to a user equipment, a first modulation and coding scheme, a first modulation order, a first size of a transport block, and a first number of resource blocks per transport block according to an orthogonal frequency division multiplexing technology, a reducing function configured to reduce a first size per resource block, being the quotient of the first size of the transport block and the first number of resource blocks per transport block, based on the scaling number, thus obtaining a second size per resource block, being the quotient of a second size of the transport block and a second number of resource blocks per transport block; and a scheduling function configured to schedule, for the data, the second size of the transport block and the second number of resource blocks per transport block. | 06-28-2012 |
20120163437 | Extension of Physical Downlink Control Channel Coverage - It is provided an apparatus, including observing means configured to observe a first parameter; deciding means configured to decide, based on the first parameter, whether or not an original search space of a downlink control channel of an orthogonal frequency division multiplex technology is to be redefined; and redefining means configured to redefine the original search space, thus obtaining a redefined search space. | 06-28-2012 |
20120263093 | Control Channel Coordination in Heterogeneous Networks - An apparatus, method, system and computer program product provide control channel coordination in heterogeneous networks. Parameters are provided indicating the availability of resources, wherein a resource is defined as an available radio frequency per time interval, and parameters indicate configuration of a physical channel configured for downlink control, for a physical control channel configured for format indication, and for a physical channel configured for HARQ indication, for use in both of two different communication cells providing radio communication services for terminals located therein. Further, a first resource allocation set and a second resource allocation set are determined, wherein determinations of the first resource allocation set and the second resource allocation set are made to be as mutually disjoint in resource allocation as possible in consideration of the parameters. | 10-18-2012 |
20130021990 | Apparatus and Method for Scheduling in Carrier Aggregated Communication Systems Based on a Transmit-Receive-Frequency Gap Band - An apparatus, method, system and computer program product is configured for avoiding base station self-interference due to transmit intermodulation in carrier aggregated communication systems. Physical downlink communication channels are allocated to respective component carriers per time interval according to a communication service in which communication is performed on an aggregation of component carriers of one or more frequency band such that component carriers to be used for transmission are separated from component carriers to be used for receiving by a transmit-receive-frequency gap band. However, not all available component carriers to be used for transmission are allocated in the same time interval. Rather, in each time interval, the physical downlink communication channels to be allocated for transmission are allocated to the available component carriers to be used for transmission such that, in each frequency band, the overall emission spectrum does not reach beyond the transmit-receive-frequency gap band. | 01-24-2013 |
20130155986 | Deployment Of LTE UL System For Arbitrary System Bandwidths Via PUCCH Configuration - In accordance with an example embodiment of the present invention, there is at least a method, apparatus, and computer program product to perform an over-provisioning of a radio resource including a periodic channel quality indicator resource in a predetermined way, and an allocating of the radio resource in such a manner that at least one of an effective system bandwidth is reduced and out-of-band emissions related to the allocated radio resource are taken into account. | 06-20-2013 |
20140313995 | Transmission And Reception Of A Wideband Signal With Narrowband Interference - It is disclosed a method comprising accommodating, in frequency domain, a first bandwidth of a first carrier signal with respect to a second bandwidth of a second carrier signal such that the first bandwidth adjoins to or overlaps the second bandwidth, the first bandwidth being greater than the second bandwidth. | 10-23-2014 |