Patent application number | Description | Published |
20090067373 | Deep sleep mode for mesh points - Disclosed herein is an apparatus, method and computer program embodied in a computer-readable memory medium. The method includes transmitting a beacon or a directed transmission from a first device to inform at least one second device in a wireless communication network that the first device will be active only during an active time interval that comprises a beacon transmission period and an additional period near to the beacon transmission period and, at the completion of the active time interval, operating in a lower power mode of operation until a next active time interval. The wireless communication network may be embodied as a mesh network that includes a plurality of mesh points, and the first device and the at least one second device may each be a mesh point. | 03-12-2009 |
20100285825 | Communication - Various apparatuses, methods and computer programs are provided. A first apparatus includes: a controller configured to control transmitter circuitry to transmit, according to a first communication protocol, a first request to a second apparatus, the first request being for assisting a wireless communication link, according to a second communication protocol, to be established between the apparatus and a third apparatus. In response to receiving the first request, the second apparatus transmits a second request to the third apparatus. The third apparatus is configured to transmit signals at a rate, each signal being for enabling a wireless communication link to be established between the third apparatus and another apparatus (such as the first apparatus). In response to receipt of the second request, the third apparatus changes the rate at which the signals are transmitted. | 11-11-2010 |
20110128865 | Method and Apparatus for Power Saving Operations in Wireless Network Elements - In accordance with an example embodiment of the present invention, a method comprises determining at a base station an activity level, and selecting an availability mode based at least in part on the activity level, wherein the availability mode is one of a full-availability mode, a semi-availability mode and a minimum-availability mode. The method also comprises configuring radio resources for at least the minimum-availability mode and switching to the selected availability mode. | 06-02-2011 |
20110317569 | Method and Apparatus for Device-to-Device Network Coordination - In accordance with an example embodiment of the present invention, a method comprises broadcasting from a user equipment (UE) having means for device to device (D2D) communication a beacon comprising an OFDM beacon frame comprising a plurality of beacon fields; receiving at least one random access request from at least one neighbor device to trigger handshake signaling for establishment of a D2D connection; responding to one of the at least one random access request with an acknowledgement beacon including at least an identifier of the UE to confirm the D2D connection with the selected neighbor device; discovering available resources; and exchanging said resource information in the handshake signaling with the neighbor devices. | 12-29-2011 |
20120182963 | RESERVING TRANSMISSION RESOURCES - A method, apparatus, and computer program for acquiring transmission resources during a transmission period is provided. A first communication apparatus is arranged to utilize at least a second communication apparatus to reserve at least one additional transmission band for the first communication apparatus during the transmission period of the first communication apparatus. The first communication apparatus is configured to increase its transmission band during the transmission period upon successful exchange of transmission request and transmission permission messages, wherein the transmission request and transmission permission messages are used to identify available additional transmission bands. | 07-19-2012 |
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 |
20130094484 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR FILTERING LIST IN WIRELESS REQUEST - Method, apparatus, and computer program product embodiments of the invention are disclosed to improve the discovery of wireless networks. In example embodiments of the invention, a method comprises: transmitting a wireless message including a list of one or more wireless devices, from which a response is not desired; and receiving zero or more responses from one or more other wireless devices that are not on the list. | 04-18-2013 |
20130136013 | Handshaking Protocol Using Bursts in OFDMA Frame Structure - One embodiment is directed to a method, apparatus, and/or computer program for reducing interference in a local area radio system. The method may include selecting, by a first network node, time/frequency resources to transmit data, transmitting request to send (RTS) bursts to a second network node on the selected resources, and listening for clear to send (CTS) bursts. The method may further include separating received clear to send bursts, decoding the clear to send bursts received from the second network node, determining whether data is allowed to be transmitted based on the received clear to send bursts, and transmitting the data to the second network node when it is determined that the data can be transmitted. The request to send and/or clear to send bursts may be encoded with orthogonal codes when there are multiple cells in a neighborhood of the first network node and/or the second network node. | 05-30-2013 |
20130148566 | D2D COMMUNICATION PROCEDURES: BEACONING; BROADCAST; CONFLICT RESOLUTION - There is a method and apparatus for transmitting a beacon for D2D communications in a first radio resource selected from among a first set of radio resources of a beacon frame; and for transmitting a broadcast message in a second radio resource selected from among a second set of radio resources of the same beacon frame. In various particular embodiments: the beacon has an indication that the broadcast message is to be transmitted in the beacon frame; the beacon has an indication specifying the second radio resource; there is transmitted a broadcast message header in the second radio resource during an initial subframe of the beacon frame and the broadcast message header has an indication of how many subframes are allocated for the broadcast message; and the broadcast message header has a retransmission control field that selectively indicates which broadcast partners are to re-transmit the broadcast message. | 06-13-2013 |
20130170470 | Method and Apparatus for Device Discovery through Beaconing - In accordance with an example embodiment of the present invention, a method comprises identifying at least one beacon opportunity at a wireless network device; selecting a beacon channel from a beacon slot that is a flexibly allocated frequency resource; and transmitting at least one beacon signal in the selected beacon channel multiplexed in a beacon frame during the identified beacon opportunity. | 07-04-2013 |
20130231151 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR PROBE REQUEST AND RESPONSE EXCHANGE - Method, apparatus, and computer program product embodiments of the invention are disclosed to improve the discovery of wireless networks. In example embodiments of the invention, a method comprises: transmitting a wireless message including at least one condition for response from one or more wireless devices, the condition for response including at least one of receive power of the wireless message at the one or more wireless devices, service level of the one or more wireless devices, or identity of the one or more wireless devices that can respond with a selected response; and receiving one or more responses from the one or more wireless devices that can satisfy the at least one condition. | 09-05-2013 |
20130235823 | METHOD AND APPARATUS FOR WIRELESS NETWORKS - In a non-limiting and exemplary embodiment, a method is provided for arranging multi-channel wireless communications, comprising: determining a first dedicated channel for a first apparatus from a set of channels, receiving an indication of a second dedicated channel for a second apparatus, and communicating with the second apparatus on the first dedicated channel and on the second dedicated channel, wherein a first communications event on the first dedicated channel and a second communication event at the second dedicated channel are carried out at least partially simultaneously. | 09-12-2013 |
20140056177 | DIRECTIONAL WIRELESS NETWORK DISCOVERY - A wireless device may perform one or more omnidirectional scans for network wireless devices. Based at least in part on results of those omnidirectional scans, the scanning wireless device may determine that one or more directional scans should be performed. The scanning wireless device may then select one or more scan directions and perform a directional scan in each of those scan directions. | 02-27-2014 |
20140119289 | LINK SETUP IN WIRELESS NETWORK - This document relates to randomizing a timing of a channel access window in a wireless network. From the point of view of a terminal device, the terminal device receives from an access node a scanning frame indicating availability of the wireless network. After reception of the scanning frame, the terminal device determines a start time of a channel access window as a random or pseudo-random value and causes transmission of a link setup request frame from the terminal device to the access node during the determined channel access window. | 05-01-2014 |
20140321350 | FACILITATING POWER CONSERVATION FOR LOCAL AREA TRANSMISSIONS - An apparatus for triggering generation of a service period(s) in a network may include a processor and memory storing executable computer program code that cause the apparatus to at least perform operations including triggering generation of at least one service period in a first network based in part on receipt of information from a network device of a second network. The computer program code may further cause the apparatus to enable wake up, based in part on the generated service period, of one or more devices of the first network for communication of content to at least one of the devices during a specified time period of the service period. Corresponding methods and computer program products are also provided. | 10-30-2014 |
20140369435 | SPACE-TIME CHANNEL SOUNDING IN WIRELESS NETWORK - A method, apparatus, and computer program for carrying out channel sounding are provided. Said method comprises: causing, by an apparatus, transmission of a request for space-time channel sounding to at least one unassociated access node; receiving, in the apparatus as a multi-antenna transmission and in response to said request, at least one message comprising space-time sounding information from at least one unassociated access node; determining, by the apparatus, at least one parameter describing space-time channel quality from the received space-time sounding information; and causing, by the apparatus, transmission of the at least one determined parameter to an associated access node or causing selection of an unassociated access node for further communication based at least partly on the determined at least one parameter. | 12-18-2014 |
20140378121 | TERMINATION OF SERVICE PERIOD IN WIRELESS NETWORK - This document discloses methods, apparatuses, and computer programs for operating a wireless apparatus during a service period between two wireless apparatuses. The service period comprises a first period during which only one of the apparatuses may terminate the service period and another period during which the other apparatus may terminate the service period. | 12-25-2014 |
20150063206 | METHOD AND APPARATUS FOR LOCAL AREA NETWORK IMPLEMENTATION - Various methods are described for implementing secondary networks for cooperative communications with a primary network. One example method may include providing for connection to a primary network. The method of this example embodiment may further include receiving configuration information comprising one or more criteria for connecting to a secondary network. Furthermore, the method of this example embodiment may include providing for connection to the secondary network based at least in part on the one or more criteria. The method of this example embodiment may further include causing communication of data with a network entity in the primary network in cooperation with one or more devices connected to the secondary network. Similar and related example methods, example apparatuses, and example computer program products are also provided. | 03-05-2015 |