Patent application number | Description | Published |
20100177654 | OPERATING CARRIER SELECTION FOR HOME NETWORK - Various embodiments are disclosed relating to carrier selection for a home network. In an example network, a method may include using a first carrier frequency to transmit in a downlink direction to a mobile node in a home wireless network, and receiving, from the mobile node, a signal strength measurement for each of a plurality of carrier frequencies. The method may further include receiving, from the mobile node, an error report for the first carrier frequency, and determining that a link quality for the first carrier frequency is below a threshold based on the error report. The method may further include selecting a second carrier frequency from the plurality of carrier frequencies based on the determining and based on the signal strength measurement of the second carrier frequency, and changing, based on the selecting, from the first carrier frequency to the second carrier frequency to transmit data in a downlink direction to the mobile node. | 07-15-2010 |
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 |
20100279672 | Apparatus and Method for Flexible Switching Between Device-to-Device Communication Mode and Cellular Communication Mode - In accordance with an example embodiment of the present invention, a method is disclosed that comprises receiving a control command to switch from a first communication mode to a second communication mode from a coupled controller; reconfiguring a plurality of protocol entities including at least a first protocol buffer and a second protocol buffer; moving remaining data packets in the first protocol buffer into at least the second protocol buffer; communicating a current data packet sequence number; and forwarding data in the second communication mode. | 11-04-2010 |
20110063995 | METHOD AND APPARATUS FOR DEVICE-TO-DEVICE COMMUNICATION - In accordance with an example embodiment of the present invention, an apparatus comprises transceiver circuitry configured to receive information from a fixed network node, initiate sending information toward the fixed network node and initiate communication with at least one peer node, the peer node being a mobile node. The apparatus further comprises a memory configured to store information received from the fixed network node, and logic circuitry operably connected to the memory, configured to derive internet protocol address information from the information received from the fixed node and to initiate sending the internet protocol address information to the at least one peer node. | 03-17-2011 |
20110098043 | SYSTEMS, METHODS, AND APPARATUSES FOR FACILITATING DEVICE-TO-DEVICE CONNECTION ESTABLISHMENT - Methods, apparatuses, and systems are provided for facilitating device-to-device connection establishment. A method may include directing broadcast of an indication of a device-to-device registration area identification in each of one or more cells forming a device-to-device registration area identified by the device-to-device registration area identification. The method may further include directing receipt of a device-to-device registration request originated by a first terminal apparatus in response to the broadcast indication. The first terminal apparatus may be located within the registration area. The method may additionally include registering the first terminal apparatus based at least in part upon the device-to-device registration request. Corresponding apparatuses and systems are also provided. | 04-28-2011 |
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 |
20110268006 | Network Controlled Device to Device / Machine to Machine Cluster Operation - Methods, apparatuses, and systems can permit network allocation of uplink resources. In one example, a method includes determining uplink resources to be granted to a cluster. The method can also include preparing, at an apparatus, an uplink resource grant, based on the determining, including a transmitter identifier. The method can further include transmitting the uplink resources grant to a plurality of cluster nodes of the cluster. The transmitter identifier identifies at least one node of the plurality of cluster nodes. | 11-03-2011 |
20120028672 | Apparatus and Method for Transmitter Power Control for Device-to-Device Communications in a Communication System - An apparatus, method and system for controlling a transmitter power level for direct device-to-device 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 monitor a feedback message from a base station to a user equipment participating in cellular communications employing a communication resource, and control a transmitter power level for device-to-device (“D2D”) communications employing the communication resource as a function of the feedback message. | 02-02-2012 |
20120243431 | Method, Apparatus and Computer Program Product for Allocating Resources in Wireless Communication Network - The present application discloses a method, an apparatus and a computer program product for allocating resources for a Device-to-Device (D2D) direct communication user equipment in a wireless communication network, wherein the method comprise: transmitting a communication channel status report regarding Device-to-Device direct communication to a base station; receiving resource allocation instructions generated by the base station based on the communication channel status report; and performing Device-to-Device direct communication between user equipments on the allocated resources; the disclosed apparatus comprises transmitting means for transmitting a communication channel status report regarding Device-to-Device direct communication to a base station; receiving means for receiving resource allocation instructions generated by the base station based on the communication channel status report; and performing means for performing Device-to-Device direct communication between user equipments on the allocated resources. By using the method, apparatus and computer program product disclosed in the present application, resource sharing/allocation collision between the D2D user equipment and cellular user equipment can be effectively reduced and use rate of resources can be improved. | 09-27-2012 |
20120281658 | Method and Apparatus for Providing Machine-to-Machine Communication in a Wireless Network - An apparatus for providing machine-to-machine communication in a wireless network 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 providing wireless network resources to enable direct downlink communication from a wireless network access point to a relatively low power communication device, allocating wireless network resources to enable uplink data to be provided from the relatively low power communication device to a mobile gateway device within communication range of the relatively low power communication device and utilizing wireless network resources to receive the uplink data from the mobile gateway device at the wireless network access point. A corresponding method and computer program product are also provided. | 11-08-2012 |
20120300662 | Cellular Control Sensing for Multicell Device-to-Device Interference Control - A method, apparatus, computer readable medium is provided to perform resource coordination among multiple cells to cancel near-far interference for device-to-device transmission, including cross-cell device-to-device transmission. In this context, a dedicated resource exchanging channel can be defined between cellular user equipment and device-to-device user equipment for interference control and resource coordination. A cellular user equipment can forward its uplink resource grant information over the dedicated resource exchanging channel when it determines potential interference. A device-to-device user equipment can monitor the dedicated resource exchanging channel in order to identify one or more resources that can potentially interfere with device-to-device transmission. | 11-29-2012 |
20130012191 | Method and Apparatus for Providing Machine-to-Machine Communication in a Wireless Network - A method and apparatus are provided that may enable the provision of machine to machine (M2M) communication in a wireless network environment. In this regard, for example, relatively low power devices (specifically referencing low transmission power) such as sensors or other machines in an M2M system may be enabled to communicate with a mobile terminal via a first carrier when the power ratio between the average received machine power and the average downlink received cellular power is below a threshold value and communicate with the mobile terminal via a second carrier if the power ratio exceeds the threshold value. Thus, only one carrier may be needed by devices in such an environment in order to perform M2M communication. | 01-10-2013 |
20130028224 | Method and Apparatus for Providing Machine Initial Access Procedure for Machine to Machine Communication - A method and apparatus are therefore provided that may enable the provision of M2M communication in a wireless network environment. In this regard, for example, relatively low power devices (specifically referencing low transmission power) such as sensors or other machines in an M2M system may be enabled to initiate communication with a network through a mobile terminal in a more reliable and robust manner. The machine may transmit a busy-signal to request a reservation of a machine access slot on a machine access control channel to reserve the slot before transmitting any machine information or data to reduce the likelihood of collisions with other machines. Once the machine has reserved the machine access slot, the machine may transmit identification information via randomly selected frequency division multi-plexed or code division multiplexed resources to further reduce the likelihood of collisions with other machines. Thus, delays in establishing connections may be reduced or eliminated. | 01-31-2013 |
20140120907 | SYSTEMS, METHODS, AND APPARATUSES FOR FACILITATING DEVICE-TO-DEVICE CONNECTION ESTABLISHMENT - Methods, apparatuses, and systems are provided for facilitating device-to-device connection establishment. A method may include directing broadcast of an indication of a device-to-device registration area identification in each of one or more cells forming a device-to-device registration area identified by the device-to-device registration area identification. The method may further include directing receipt of a device-to-device registration request originated by a first terminal apparatus in response to the broadcast indication. The first terminal apparatus may be located within the registration area. The method may additionally include registering the first terminal apparatus based at least in part upon the device-to-device registration request. Corresponding apparatuses and systems are also provided. | 05-01-2014 |