| Patent application number | Description | Published |
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| 20100182974 | Resource Allocation - Apparatus including a transmitter arranged to transmit an indicating acquisition indication channel signature wherein said indicating signature is used to indicate an enhanced dedicated channel resource to be used by a user equipment. | 07-22-2010 |
| 20100322291 | Control Signaling for Multiple Carrier High Speed Uplink Packet Access in Radio Frequency Communication Systems - Systems and methods for providing an efficient mechanism for transmitting information needed to receive a secondary carrier over an existing message protocol on a primary carrier for a multiple carrier capable communications terminal. The receiver terminal may receive, on a primary carrier, a message containing information including a timing offset and a cell identification for a secondary carrier, for example. The communications terminal may then correlate a receiver to receive the secondary carrier without the need for a separate synchronization signal on the secondary carrier. These embodiments result in additional efficiency in a communications system. | 12-23-2010 |
| 20110019655 | METHOD FOR FAST TRANSMISSION TYPE SELECTION IN WCDMA UMTS - In accordance with the exemplary embodiments of the invention there is disclosed a method, apparatus, and executable computer program for receiving information including preamble scrambling codes associated with transmission types in a random access procedure, selecting an appropriate preamble scrambling code based on the received information, and placing the selected preamble scrambling code in a preamble for a random access procedure. Further in accordance with the exemplary embodiments of the invention there is disclosed a method, apparatus, and executable computer programs for decoding a preamble scrambling code of a random access channel transmission received from a user equipment, and determining a transmission type with which the scrambling code is associated. | 01-27-2011 |
| 20110182280 | Synchronization for Device-to-Device Communication - Various example embodiments are disclosed. According to one example embodiment, a method may include synchronizing, by an access node in a wireless network, with a first mobile station, synchronizing with a second mobile station, compiling a device-to-device group, the device-to-device group including at least the first mobile station and the second mobile station, sending a first connection message to the first mobile station, the first connection message including timing advance parameters of both the first mobile station and the second mobile station, and sending a second connection message to the second mobile station. | 07-28-2011 |
| 20110255425 | Methods and Apparatus for Secondary Bandwidth Detection and Allocation - In accordance with an example embodiment of the present invention, a method comprises monitoring a bandwidth allocation of a primary device via monitoring at least one broadcast message sent from an associated base station; determining whether a secondary bandwidth is available based on the monitored bandwidth allocation of the primary device; allocating the secondary bandwidth to a secondary application on a secondary device if the secondary bandwidth becomes available; keeping track of changes in the bandwidth allocation of the primary device; and returning the secondary bandwidth to the primary device when the changes in the bandwidth allocation of the primary device indicates a need for the secondary bandwidth by the primary device. | 10-20-2011 |
| 20110258327 | D2D Communications Considering Different Network Operators - There is stored a database of registration information associating UEs with cells under control of different network operators. In response to a inquiry from a first network operator that a first UE desires direct communications with a second UE, the registration information is used to coordinate between the first network operator and the second network operator to facilitate establishment of a direct communication link between the first UE and the second UE. In various embodiments the facilitating is enhancing the inquiry/page by adding a cell ID of the first UE's cell and adding pre-allocated radio resources in the first UE's cell for use by the second UE in responding to the page, and determining a single network which is not highly loaded and which can allocate resources for the D2D communications and directing one or both UEs to that single network. | 10-20-2011 |
| 20110268004 | ENABLING DEVICE-TO-DEVICE COMMUNICATION IN CELLULAR NETWORKS - According to one general aspect, a method may include communicating, by a first apparatus, with at least a second apparatus via a device-to-device communication link. In various embodiments, the method may also include receiving resource allocations, from a base station. In some embodiments, the method may include determining, based at least partly on the received resource allocations, which resources are allocated to at least the second apparatus for communication with the base station. In various embodiments, the method may include based at least partly upon the resource allocations, determining when to perform direct device-to-device communication, by the first apparatus, with the second apparatus. | 11-03-2011 |
| 20110275382 | Measurements and Fast Power Adjustments in D2D Communications - At a cluster head/first device there is received, from each of at least two other devices with which the cluster head has a respective wireless link, a quality indicator for the respective link observed by the respective other device. The cluster head compiles those received quality indicators into a compressed report, and sends the compressed report to a network entity. In a specific embodiment the cluster head also determines an additional quality indicator of each of those respective links observed by the cluster head by listening to a sounding reference signal sent by the respective other device to the network entity on a PUCCH. Those additional quality indicators are also compiled into the compressed report, as are further quality indicators received from the devices for D2D links between pairs of those other devices that exclude the cluster head. The compressed report can inform how many indicators are above/below a threshold. | 11-10-2011 |
| 20110287794 | METHOD AND APPARATUS FOR PROVIDING COMMUNICATION OFFLOADING TO UNLICENSED BANDS - An apparatus for providing network assisted local communication offloading to unlicensed bands may include at least one processor and at least one memory including computer program code. The at least one memory and the computer program code may be configured, with the processor, to cause the apparatus to perform at least receiving, via signaling associated with licensed band resources, information indicative of unlicensed band resources available in a particular area, and providing resource availability data, via signaling associated with the licensed band resources, to one or more devices within the particular area. The resource availability data may enable unlicensed band resource usage by at least one of the one or more devices. A corresponding method and computer program product are also provided. | 11-24-2011 |
| 20110306349 | Channel Access For Local Heterogeneous Communication in a Cellular Network - In an exemplary embodiment there are determined which radio resource are to be used for contention based access, and the allocated radio resource is accessed according to a probability function that varies in dependence on at least one of interference measured on the allocated radio resource and a received power level for the allocated radio resource. By example the radio resource is allocated by a cellular base station for use in D2D communications; the base station provides configuration parameters for the D2D communications via common or dedicated signaling; the received power level is a target received power level that is received via broadcast system information or dedicated control signaling; and/or the received power level is itself a function of pathloss on a wireless link to the cellular base station. Embodiments are presented for method, apparatus, and tangibly stored computer program. | 12-15-2011 |
| 20110312331 | METHOD AND APPARATUS FOR RESOURCE SCHEDULING FOR NETWORK CONTROLLED D2D COMMUNICATIONS - In accordance with an example embodiment of the present invention, a method comprises obtaining at a network node a scheduling reference point with a fluctuation range based at least in part on at least one metric for a plurality of cellular user equipments (UEs) and at least a pair of device-to-device (D2D) UEs; signaling the scheduling reference point and the fluctuation range to the at least pair of D2D UEs; allocating radio resources to the pair of D2D UEs according to one or more allocation criteria; receiving metrics updates from the pair of D2D UEs and the plurality of cellular users; and adjusting the scheduling reference point and the fluctuation range according to the received metric updates. | 12-22-2011 |
| 20120015607 | METHOD AND APPARATUS FOR DEVICE INITIATED OFFLOADING TO UNLICENSED BANDS - A method comprises communicating, by a first device, with a second device, using a device-to-device communication on licensed band, determining, by the first device, whether unlicensed band resources are available, and if the unlicensed band resources are available, initiating, by the first device, a set up of a device-to-device communication on unlicensed band. | 01-19-2012 |
| 20120064935 | Dynamic Autonomous Resource Allocation and Channel Access in Cellular System Uplink - Methods, apparatuses, and software can be provided for dynamic autonomous resource allocation and channel access in a cellular system uplink. A method can include measuring interference levels on uplink resources of a victim cell and calculating a probability of accessing channels of the uplink resources of the victim cell using the measured interference levels, including defining a suitable transmission power, and a highest value and a lowest value. The method can further include accessing a channel for which the probability of accessing has been calculated, when the probability meets a predetermined condition. | 03-15-2012 |
| 20120083283 | Feedback mapping for D2D control signals - A position of a device within a cluster of multiple devices is determined and stored in a memory. An uplink radio resource is mapped from a downlink radio resource in dependence on the determined position of the device within the cluster of multiple devices. In an embodiment the respective uplink and downlink radio resource is a PUCCH and PDCCH of a cellular network, and the cluster is a D2D network. In one embodiment the device position is an index j which is used to offset from a predetermined mapping pattern. In another embodiment the position of the device corresponds to an individual field of a transmission on the PDCCH and the mapping is in dependence on a bit value in the individual field. | 04-05-2012 |
| 20120093011 | Methods, Apparatuses, and Computer Program Products for Prioritizing Uplink Carriers - A method, apparatus, and computer program product are provided for prioritizing uplink carriers. A method may include determining a first pilot channel transmission power level for a first uplink carrier. The method may further include determining a second pilot channel transmission power level for a second uplink carrier. The method may additionally include prioritizing the first and second uplink carriers based at least in part upon the first and second pilot channel transmission power levels. Corresponding computer program products and apparatuses are also provided. | 04-19-2012 |
| 20120093098 | APPARATUS AND METHOD FOR DYNAMIC COMMUNICATION RESOURCE ALLOCATION FOR DEVICE-TO-DEVICE COMMUNICATIONS IN A WIRELESS COMMUNICATION SYSTEM - An apparatus, system and method to dynamically manage an allocation of communication resources for direct device-to-device communications between a plurality of wireless communication devices in a wireless communication system. In one embodiment, the apparatus ( | 04-19-2012 |
| 20120099444 | INTERFERENCE CONTROL - A method for controlling interference is described. The method includes receiving an indication that a first carrier is not received by a first base station and a second carrier is received by the first base station ( | 04-26-2012 |
| 20120106517 | APPARATUS AND METHOD OFSCHEDULING RESOURCES FOR DEVICE-TO-DEVICE COMMUNICATIONS - An approach is provided for scheduling resources for device-to-device communications. A resource of a network is granted to a group designated for device-to-device communications. The group then determines how the resource allocation is utilized to support the communication session and allocates the resource among the user equipment within the group independently of the base station. Further, a user equipment pair in the group determines transmit/receive (Tx/Rx) timeslot configuration to allow TDD mode operations, and further configure the modulation and coding for the device-to-device connection, and error control scheme for the pair via control signaling independently from the group. | 05-03-2012 |
| 20120127964 | Method and Apparatus for Timing Advance Estimation - In accordance with an example embodiment of the present invention, an apparatus, comprising at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following: determine a first timing associated with a first signal; detect a second timing associated with a second signal; and estimate a timing advance value based at least in part on the detected first timing and the second timing, is disclosed. | 05-24-2012 |
| 20120129540 | Signaling mixed resource allocations for D2D communications - In an embodiment, for a case in which there is an active connection established between a cellular network and a user equipment UE and the UE has simultaneously an active connection within a local network distinct from the cellular network, there is an indication within a resource allocation message communicated between the cellular network and the UE which is used to identify whether a radio resource allocated by the resource allocation message is for the cellular network or for the local network. In various embodiments, the local network is a D2D network and the message is directed to a C-RNTI associated with the D2D network; and/or a value of the indication identifies the allocated radio resource as an allocation for the D2D network or for the cellular network and also whether the allocation is to the UE or to a paired D2D device or to both. | 05-24-2012 |
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| 20090131052 | METHOD AND APPARATUS FOR PROVIDING CELL RE-SELECTION - An approach is provided for cell re-selection. A notification message is generated to indicate initiation of a coverage area re-selection procedure to operate in a new coverage area from a current coverage area. The re-selection procedure is performed if an acknowledgement message is received in response to the notification message. | 05-21-2009 |
| 20100261469 | APPARATUS AND METHOD FOR MODE SELECTION FOR DEVICE-TO-DEVICE COMMUNICATIONS - In accordance with an example embodiment of the present invention, a method is disclosed that comprises measuring a first link quality of a first link based at least in part on a first power value; measuring a second link quality of a second link based at least in part on a second power value; and determining a suitable device-to-device (D2D) mode for a D2D connection based at least in part on the first link quality, the second link quality, and one or more D2D user equipment (UE) constraints. | 10-14-2010 |
| 20110151887 | Secondary System Usage In Multicarrier Networks - After an evolved Node-B (eNB) has selected primary component carriers and secondary component carriers, the eNB can transmit (for example, by broadcast), the information for secondary usage (such as certain conditions) to devices. The devices can also be machines or the like that are able to operate on cellular system resources, for example, machine-to-machine type communication in a cellular system. The devices can figure out component carrier utilization in the cells they can detect. Furthermore, the devices can estimate the interference caused by themselves based on the eNB's broadcasting conditions as well as upon additional information, in some circumstances. Finally, the devices can then decide whether to establish device-to-device (D2D) or other secondary communication connection themselves by using the secondary component carriers. | 06-23-2011 |
| 20110159799 | Multicast Transmission Within a Hybrid Direct and Cellular Communication System - In one, non-limiting exemplary embodiment, a method includes: sending a multicast transmission from a source device to a base station in a wireless communication system, where the multicast transmission is for a plurality of receiving devices including a local receiving device, where the source device and the local receiving device are members of a local cluster that is at least partially located in a cell serviced by the base station; receiving, by the source device, a transmission of feedback information as it is transmitted from the local receiving device to the base station; and in response to the source device determining that the feedback information includes an indication that the local receiving device did not correctly receive the multicast transmission, sending a retransmission of the multicast transmission from the source device directly to the local receiving device. | 06-30-2011 |
| 20110275379 | Apparatus and Method for Dynamic Resolution of Secondary Communication System Resources - An apparatus, method and system for dynamic resolution of secondary communication system resources for communications in a communication system. In one embodiment, an apparatus includes a processor and memory including computer program code. The memory and the computer program code are configured to, with the processor, cause the apparatus to receive an allocation of secondary communication system resources on a control channel of a primary communication system to enable communication in a secondary communication system. The secondary communication system resources are a function of unused primary communication system resources in the primary communication system. | 11-10-2011 |
