Patent application number | Description | Published |
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 |
20120243433 | METHOD AND APPARATUS FOR AUTONOMOUS OFDMA BEACON RECEPTION MEASUREMENT - In accordance with an example embodiment of the present invention, methods and apparatus, including computer program products, are provided. In one aspect there is provided a method. The method may include configuring the device to monitor the presence of the OFDMA beacons and the quality of the OFDMA beacon receptions. The device may transmit the beacon reports that detail the sensed beacons from the beaconing device during an OFDMA beacon opportunity. In another aspect there is provided a method. The method may include configuring a dedicated beacon quality measurement agreement between two or more devices. Based on the agreement defining the beacon transmission and reception periodicity, one device transmits a beacon and the other devices in the agreement monitor the beacon. Related apparatus, systems, methods, and articles are also described. | 09-27-2012 |
20130229959 | METHOD AND APPARATUS FOR GROUP SYNCHRONIZED CHANNEL ACCESS WITH TIM SEGMENTATION - A method includes receiving indications of a wake-up interval assigned to a station and a corresponding group to which the station belongs, wherein all stations assigned to the group are assigned the wake-up interval. The method includes waking the station during the wake-up interval and determining, using at least the indication of the group, whether information received by the station during the wake-up interval corresponds to the group. Another method includes assigning stations to one of multiple groups based on wake-up intervals, in which stations assigned to a group all have a same wake-up interval and each group has a different wake-up interval, sending indications of a corresponding wake-up interval and a corresponding group to each of the stations, and during a interval corresponding to the wake-up interval for a selected group, transmitting the indication of the selected group and associated information meant for the group. | 09-05-2013 |
20130294261 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR EFFICIENT TIM COMPRESSION AND DECODING - Method, apparatus, and computer program product embodiments improve power saving in network environments. An example method embodiment comprises: generating in an access point device, a traffic indication map comprising a page bitmap field, a page control field, one or more block bitmap fields, and one or more sub-block bitmaps indicating wireless client devices having buffered data in the access point device available for them; and periodically broadcasting the traffic indication map in a beacon frame to the wireless client devices. | 11-07-2013 |
20130301605 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR RESOURCE ALLOCATION FOR SEQUENTIAL/PARALLEL WIRELESS MESSAGES - Method, apparatus, and computer program product embodiments provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: receiving by a wireless client device, a first message from an access point device, the first message comprising information related to resource allocation that at least partly indicates a resource allocation in time-frequency space for the wireless client device; decoding by the wireless client device, the information related to resource allocation, using a connection identifier that identifies the wireless client device within a wireless network managed by the access point device, to obtain the resource allocation in time-frequency space; and transmitting by the wireless client device to the access point device, a second message using the resource allocation in time-frequency space. | 11-14-2013 |
20140003414 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR RESOLVING HIDDEN NODE IN SYNCHRONIZED DCF BASED CHANNEL ACCESS | 01-02-2014 |
20140071959 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR COEXISTENCE OF WIRELESS NETWORKS - Embodiments of the invention provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: receiving by a short-range access point in a basic service set, a beacon from a long-range access point in an overlapping basic service set, indicating a beginning and ending of a first quiet interval for short-range stations associated with the short-range access point; and transmitting by the short-range access point, a broadcast control frame, notifying the long-range access point of a second quiet interval for long-range stations associated with the long-range access point, the broadcast control frame further notifying the short-range stations associated with the short-range access point that they may access and transmit data during the second quiet interval. | 03-13-2014 |
20140075523 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR SHARING WIRELESS NETWORK CREDENTIALS - Example method, apparatus, and computer program product embodiments are disclosed to improve user experience and security in sharing Wi-Fi network credentials. A method embodiment comprises receiving in a wireless device, a wireless message including private credential information to access a wireless network; determining by the wireless device, that the received private credential information is not stored in a cache of known network access points in the wireless device; and storing by the wireless, the received private credential information, in a credential database for network access points. | 03-13-2014 |
20140126461 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR RELAY OPERATION IN WI-FI NETWORKS - Embodiments of the invention provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: determining, by a wireless relay device, a first time window allocated for a first network, allowing first maximum transmit power for packet transmissions; and determining, by the wireless relay device, a second time window allocated for a second network, wherein the second time window is allowed for transmissions also within the first network, but only with second maximum transmit power that is lower than the first maximum transmit power. | 05-08-2014 |
20140133393 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR MULTIPLE MODE IDENTIFIER ADDRESSING - Method, apparatus, and computer program product embodiments of the invention are disclosed for multiple mode identifier addressing employable, for example, in connection with wireless networks. In an example embodiment of the invention, a method comprises: receiving, at a device, an addressing mode indication from an access node, wherein the mode indication does not alter an association identifier of the device; determining from the addressing mode indication, at the device, an addressing mode to be employed; and operating, at the device, in accordance with the determined addressing mode, wherein the determined mode defines a hierarchical data structure, wherein the association identifier of the device is a manifestation of the hierarchical data structure, and wherein devices are grouped according to hierarchical elements of the hierarchical data structure. | 05-15-2014 |
20140153415 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR SIGNALING FOR SECTORIZED BEAM OPERATION IN WIRELESS NETWORKS - Method, apparatus, and computer program product embodiments configure channel access windows in overlapping network environments. An example method embodiment comprises: transmitting, by an access node, a measurement request to an associated wireless device, to perform measurements of signals received from other access nodes to which the device is not associated, the device being a member of a group of devices based on transmission by the access node to the device, of a directional beacon frame; receiving from the device, a measurement response comprising information on a directional message with an access node identifier of another access node to which the device is not associated; and determining a time window that may be used by devices that are members of the group, for transferring data between members of the group and the access node, based at least partly on the measurement response. | 06-05-2014 |
20140254497 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR CONTENTION-FREE MEDIUM ACCESS WITHIN ASSIGNED ACCESS SLOTS - Method, apparatus, and computer program product embodiments of the invention are disclosed for contention-free medium access within assigned access slots employable, for example, in connection with wireless networks. In an example embodiment of the invention, a method comprises: receiving, at an apparatus, one or more access node broadcast frames, wherein said broadcast frames comprise: assignment information on assignment of one or more assigned access slots; and contention indication indicating whether contention is to be performed in order to access said slots; learning at the apparatus, by considering said assignment information, of a slot, of said assigned access slots, assigned to the apparatus; learning, at the apparatus, by considering said contention indication, whether contention is to be performed in order to access the slot assigned to the apparatus; and accessing, at the apparatus, a medium during the slot assigned to the apparatus. | 09-11-2014 |
20140269628 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR OVERLAPPING BSS COORDINATION OF MACRO/PICO WI-FI NETWORKS - Embodiments of the invention provide signaling mechanisms for wireless networks composed of a large number of stations. An example method embodiment comprises: receiving, by an access node of an access network, a frame from an overlapped access network, indicating time restrictions for reserving a wireless medium for the access network; and coordinating, by the access node of the access network, transmissions by members of the access network, to comply with the time restrictions for reserving the wireless medium for the access network. | 09-18-2014 |
20150071180 | COMMUNICATION EFFICIENCY - There is provided a method, comprising: receiving, by a target node of a wireless access network, a signal from a first source node; determining the angular sector in which the first source node is located with respect to the target node; responding to the signal by both transmitting a first message omni-directionally and transmitting a second message directionally towards the angular sector; and establishing a first resource reservation on a frequency channel at least partly on the basis of transmitting the first message and the second message, wherein the first resource reservation is for performing directional data transfer with the first source node. | 03-12-2015 |
20150078259 | Interference Avoidance between Overlapping Wireless Networks - This document discloses a solution for reducing interference between wireless networks. According to an aspect, a method comprises: acquiring, by an access node of a first wireless network from at least one node of the first wireless network, information on at least one interfering node of a second wireless network; generating, by the access node, mapping information between the node of the first wireless network and said at least one interfering node; and causing, by the access node, transmission of the mapping information to another access node of the second wireless network. | 03-19-2015 |