Patent application number | Description | Published |
20090077444 | METHOD AND APPARATUS FOR PROVIDING ACKNOWLEDGEMENT SIGNALING TO SUPPORT AN ERROR CONTROL MECHANISM - An approach is provided for acknowledgement signaling. A determination is made whether an error control mechanism is enabled for transmission of a data frame. The data frame is fragmented into a plurality of coding blocks. A frame check sequence is appended to one or more sequences of the coding blocks, wherein each of the sequences associated with the frame check sequence is to be acknowledged separately. | 03-19-2009 |
20090150737 | ACKNOWLEDGMENT PACKET - Various example embodiments are disclosed. According to an example embodiment, a receiving station in a wireless network may receive a plurality of Medium Access Control Packet Data Units (MPDUs) from a transmitting station. Each of the plurality of MPDUs may include a sequence number. The receiving station may also determine which of the plurality of MPDUs were successfully or not successfully received from the transmitting station. The receiving station may also transmit, to the transmitting station, at least one automatic repeat request (ARQ) feedback information element (IE). The at least one ARQ feedback IE may include a number of acknowledgment maps field indicating a number of acknowledgment maps included in the ARQ feedback IE and the indicated number of acknowledgment maps. Each of the acknowledgment maps may include a sequence format field indicating a number of block sequence fields and the indicated number of block sequence fields. Each of the block sequence fields may indicate a sequence length of successive packets which were successfully or not successfully received based on the determining which of the plurality of received MPDUs were successfully received from the transmitting station. | 06-11-2009 |
20100081454 | NEIGHBORHOOD PAGING GROUP DESIGN FOR WIRELESS NETWORKS - Various example embodiments are disclosed. According to an example embodiment, a technique may include storing, by a mobile station while in an active state, a neighborhood paging list, transitioning from active state to idle state, receiving a paging group ID from a local base station, determining that the paging group ID received from the local base station does not match any of the paging group IDs on the mobile station's neighborhood paging list, performing location update, updating the neighborhood paging list based on information received from the local base station, the updated neighborhood paging list including a paging group ID (PGID) identifying a local paging area corresponding to the local base station and a list of neighbor paging group IDs identifying one or more paging areas that are neighbors to the local paging area. | 04-01-2010 |
20110078186 | XPATH EVALUATION IN AN XML REPOSITORY - XPath evaluation in an XML data repository includes parsing an input XPath query using a simple path file to generate an execution tree about the XPath query, where the simple path file includes an XML file that is generated based on the hierarchical architecture of a plurality of XML files in the data repository, and the names of the nodes in the generated XML file are generated by recording the tag information of respective nodes in the plurality of XML files in the data repository. Execution of an execution tree for the data repository generates a final evaluation result. | 03-31-2011 |
20110194538 | RESOURCE ALLOCATION DURING SILENCE PERIOD FOR A WIRELESS NETWORK - Various example embodiments are disclosed herein. According to an example embodiment, a technique may include allocating periodic resources to a mobile station in a wireless network for transmission of voice data, receiving from the mobile station an indication of a start of a silence period, and adjusting, based on the receiving of the indication of a start of silence period, the allocating of the periodic resources from a size and period of resource for the voice data to a size and period of resource for a silence indication (SID) frame. Alternatively, in response to receiving an indication of a start of silence period, the allocating of periodic resources for the VoIP voice data may be temporarily stopped during the silence period. | 08-11-2011 |
20130188588 | Signaling for Configurable Dual-Cluster Resource Assignments - A virtual resource block VRB tree is configured according to granularity of resource blocks RBs, cluster size options and frequency span, at least one of which is signaled on a downlink A first cluster of RBs is identified by a first resource allocation RA index and selected from the configured VRB tree. A second cluster of RBs, separated in frequency from the selected first cluster of RBs and identified by a second RA index, is selected from the configured VRB tree. The selected first and second clusters of RBs selected from the configured VRB tree is mapped to respective first and second clusters of uplink physical RBs. Certain frequency band combinations of two RB clusters may be made illegal for various reasons. The granularity of RB may be Me {1, 2, 3, 4} physical RBs, and the cluster size options may be an integer k multiple of M. | 07-25-2013 |
20130288697 | Method and Apparatus for Allocating Radio Resources in Cellular Communications Network - The invention relates to a method and apparatuses for allocating radio resources in a cellular communications network including the steps of: dynamically allocating a set of radio resources for a transmission taking place at a transmission time instance and for a further transmission taking place at a further transmission time instance, the further transmission relating to a response to the transmission taking place at the transmission time instance, and broadcasting both sets of allocated radio resources in the cellular communications network. | 10-31-2013 |
20130303180 | Multi-Channel State Information Feedback with Cell-specific Adaptive Granularity - It is described a user equipment for a cellular communication network providing a plurality of cells, the user equipment including a receiver unit for receiving a first and second transmissions via a first and a second communication channel. The first communication channel uses a first cell and the second communication channel uses a different, second cell of said plurality of cells. A feedback unit is configured for providing a first and second channel state information feedback components for the respective communication channels with a separate, cell specific granularity. Further described is a base station of the cellular communication network. | 11-14-2013 |
20140036706 | Interference Measurement Resource (IMR) Signaling and Use to Support Interference Coordination Between Cells - Indication(s) of a configuration of first interference measurement resources in first subframe(s) and of a configuration of second interference measurement resources in second subframe(s) are received at a first BS and from a second BS using an interface between the first and second BSs. The first BS transmits zero or low power REs that coincide with the REs belonging to the first interference measurement resources in the first subframe(s). The first BS transmits full power REs that coincide with the REs belonging to the second interference measurement resources in the second subframe(s). The first interference measurement resources in the first subframe(s) are to be used by a UE (e.g., attached to the second base station) to measure interference for zero or low power REs and the second interference measurement resources in the second subframe(s) are to be used by the UE to measure interference for full power REs. | 02-06-2014 |
20150049615 | Received Signal Quality Measurement Triggering and Reporting - An apparatus and method provide received signal quality measurement management triggering and reporting. Specifically, a received signal quality range is defined including a best received signal quality as upper border, which is the best received signal quality in a radio resource management measurement among all received signal qualities measured in a received signal quality measurement procedure. The, a report is processed which includes a predetermined number of signal originating points providing a received signal quality at a reference location within the defined received signal quality range. | 02-19-2015 |
20150103765 | Communication Mechanism Using Demodulation Reference Signal Based Communication Mode - There is provided a mechanism for conducting a communication between at least one communication network control element such as an eNB and at least one communication element such as a UE wherein a DM RS based communication mode is used. DMRS (scrambling) sequences are generated wherein each DMRS sequence includes a set of calculation parameters being specific for the respective DMRS sequence, wherein the set of calculation parameters is configurable by the eNB during communication. For initializing each of the at least one scrambling sequence before receiving the configuration information, i.e. in an initial phase of the communication, a predetermined default value based on e.g. an UE_ID and being selectable from a set of predetermined default values is used for the set of calculation parameters in each DMRS sequence. | 04-16-2015 |
Patent application number | Description | Published |
20140141830 | Transmission Power - As part of a communication technique involving a plurality of access nodes cooperatively detecting an uplink transmission from a communication device: detecting at said communication device access node-specific reference signals transmitted by respective ones of said plurality of access nodes; and calculating a pathloss value for at least one of said plurality of access nodes from a measurement of a power at which a respective one of said reference signals is detected at said communication device. | 05-22-2014 |
20140192786 | DM RS Based LTE Downlink Physical Layer - It is provided an apparatus, including synchronizing means adapted to synchronize with a cell of a cellular communication system based on a synchronization signal and to obtain a cell identification of the cell; receiving means adapted to receive a symbol only on one or more subcarriers and subframes which carry at least one symbol of a physical broadcast channel; first obtaining means adapted to obtain a common demodulation reference symbol based on the cell identification and the received symbol; demodulating means adapted to demodulate a signal received on the physical broadcast channel based on the common demodulation reference symbol; user equipment means adapted to provide a user equipment functionality of the communication system. | 07-10-2014 |
20140307631 | Feedback Messaging - The disclosure relates to methods and apparatuses for feedback messaging in a communication system. A station can include into a scheduling information entity an indication of aperiodic feedback messaging on a physical uplink control channel and dynamically send the scheduling information entity with the indication to a communication device configured for periodic feedback messaging to trigger aperiodic feedback messaging by the communication device on the physical uplink control channel. Upon receiving the scheduling information entity the device can determine that it includes the indication and in response to the determining send at least one aperiodic feedback message on the physical uplink control channel. | 10-16-2014 |
20140308905 | Flexible Configuration of Channel Measurement - There are provided measures for flexible configuration of channel measurement, particularly in CoMP communication and/or CoMP-enabled heterogeneous network deployments. Such measures may exemplarily include acquiring one or more reference signal patterns for channel measurement, each reference signal pattern defining a predefined number of ports subject to channel measurement, configuring a channel measurement set for a terminal by selecting ports out of the acquired one or more reference signal patterns and combining the selected ports in at least two channel measurement patterns, and instructing channel measurements at the terminal based on the at least two channel measurement patterns in the configured channel measurement set. | 10-16-2014 |
20150063222 | COORDINATED SCHEDULING WITH ADAPTIVE MUTING - Systems, methods, apparatuses, and computer program products relating to coordinated scheduling with adaptive muting are provided. One method comprises transmitting, by a network element, calculated impact information for a cell of the network element when taking an action related to a cell of the network element and/or taking an action related to a cell of a second network element. The method may also comprise transmitting a request for taking the action related to the cell of the second network element under certain circumstances | 03-05-2015 |
20150079980 | Transmision Point Selection - This disclosure relates to selection of transmission points in a communication system. Information of potential reference signals is sent from a network element to a mobile device to configure the mobile device for measurement of at least one received signal characteristic of the indicated potential reference signals. The mobile device then performs measurement on the indicated potential reference signals and sends to the network element information of at least one port selected by the mobile device based on the measurement. | 03-19-2015 |
20150098440 | Interference Estimation Resource Definition and Usage for Enhanced Receivers - At a wireless node in a wireless network, multiple interference estimation resources are received in a time-frequency resource space. The multiple interference estimation resources are resource elements in an assigned physical shared channel of the time-frequency resource space that do not contain physical shared channel data for the wireless node. An interference covariance matrix is determined from received signals on the multiple interference estimation resources. Symbol estimates are determined for a desired signal based in part by using the interference covariance matrix. Methods, computer programs and products and apparatus are disclosed. The techniques may be used for uplink, downlink, or D2D communications. | 04-09-2015 |
20150215179 | Exchange of Throughput Profile Information for Supporting Coordinated Scheduling - Various communication systems may benefit from information related to coordinated scheduling. For example, certain base stations may benefit from exchange of throughput profile information. A method can include determining a throughput profile for a group of user equipment in a cell. The method can also include reporting the throughput profile to a neighbor cell or central node. | 07-30-2015 |
20150215932 | METHOD AND APPARATUS FOR PERFORMING MUTING COORDINATION AND FOR TESTING OF COORDINATING COMMUNICATION - A method and apparatus can be configured to transmit a physical-resource-block muting request to a neighboring network entity. The method can also include transmitting at least one muting priority level for at least one physical-resource-block of the physical-resource-block muting request. | 07-30-2015 |
20150223261 | SYSTEMS AND TECHNIQUES FOR MUTING MANAGEMENT IN MULTI-CELL COORDINATION - Systems and techniques for negotiated control of multipoint coordination. A first device (such as a central entity or base station) signals a second device regarding its desire to assert control over, or readiness to accept control by, the second device, with respect to coordinated radio transmission. The negotiation may include, for example, acceptance of control, rejection of control, specification of resources subject to or exempt from control, and priority-based decisions to override or refrain from overriding rejections. Coordinated transmission is then conducted based on the outcome of the negotiation. | 08-06-2015 |