| Patent application number | Description | Published |
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| 20100208831 | TECHNIQUES FOR QUICK ACCESS CHANNEL INFORMATION LOADING IN WIRELESS NETWORKS - An embodiment of the present invention provides a method of quick access channel information loading in wireless networks, comprising mapping at least one quick access channel to one distributed resource unit of control tiles, said control tiles being spread across consecutive sub-carriers and consecutive OFDMA symbols, wherein each control tile and a predetermined number of sub carriers are used to send a bandwidth indicator and a predetermined number of sub carriers are used to send a bandwidth request message, and wherein there exist unique orthogonal sequences for the bandwidth indicator and each of the sequences are capable of being selected as a preamble sequence. | 08-19-2010 |
| 20110002270 | BASE STATION AND METHOD FOR REDUCING ASYNCHRONOUS INTERFERENCE IN A MULTI-TIER OFDMA OVERLAY NETWORK - Embodiments of a base station and method for reducing asynchronous interference in a multi-tier OFDMA overlay network are generally described herein. In some embodiments, a lower-tier base station is configured to adjust OFDMA frame boundaries to cause frames communicated by a higher-tier to arrive within a cyclic prefix at the lower-tier base station. The lower-tier base station may also be configured to adjust OFDMA frame boundaries to cause frames communicated by a lower-tier of the network to arrive within a cyclic prefix at a higher-tier mobile station. Accordingly, frames from one tier may arrive within the cyclic prefix of another thereby reducing asynchronous interference. | 01-06-2011 |
| 20120026991 | FEEDBACK SCHEME FOR MU-MIMO - Embodiments of a system and method for managing feedback in a MU-MIMO system. An access point can announce one or more of mobile stations that are to receive downlink information in a first frame. The access point can also send a sounding package to the one or more mobile stations and receive feedback from the one or more mobile stations according to the feedback schedule. The feedback may be based on the reception of the sounding package. | 02-02-2012 |
| 20120028671 | POWER LOADING IN MU-MIMO - Embodiments of a system and method for transmitting data from an access point in a multiple user multiple input multiple output (MU-MIMO) system are provided. A first indication of signal quality (ISQ) is received at the access point from a first station and a second ISQ is received from a second station. The access point sets a first power level and a first modulation and coding scheme (MCS) for transmission of a first aggregated media access control (MAC) protocol data unit (A-MPDU) to the first station as a function of the first ISQ and an amount of payload data corresponding to the first A-MPDU. The access point also sets a second power level and a second MCS for transmission of a second A-MPDU as a function of the second ISQ and an amount of payload data corresponding to the second A-MPDU. | 02-02-2012 |
| 20120045003 | COMMUNICATION STATION AND METHOD FOR EFFICIENTLY PROVIDING CHANNEL FEEDBACK FOR MIMO COMMUNICATIONS - Embodiments of a communication station and methods for efficiently providing channel feedback for MIMO communications over an OFDM channel are generally described herein. In some embodiments, receiving stations may perform a recursive differential quantization of channel information across time and/or frequency to generate quantized differential channel feedback. The quantized differential channel feedback from each receiving station may be used by a transmitting station to precode MIMO transmissions to one or more of the receiving stations. The quantized differential channel feedback may be either a quantized differential channel matrix or a quantized differential beamforming matrix. | 02-23-2012 |
| 20120063442 | TECHNIQUES FOR QUICK ACCESS CHANNEL INFORMATION LOADING IN WIRELESS NETWORKS - An embodiment of the present invention provides a method of quick access channel information loading in wireless networks, comprising mapping at least one quick access channel to one distributed resource unit of control tiles, said control tiles being spread across consecutive sub-carriers and consecutive OFDMA symbols, wherein each control tile and a predetermined number of sub carriers are used to send a bandwidth indicator and a predetermined number of sub carriers are used to send a bandwidth request message, and wherein there exist unique orthogonal sequences for the bandwidth indicator and each of the sequences are capable of being selected as a preamble sequence. | 03-15-2012 |
| 20130258953 | TECHNIQUES TO MANAGE GROUP CONTROLING SIGNALING FOR MACHINE-TO-MACHINE DEVICES - Techniques to manage group control signaling for machine-to-machine (M2M) devices are described. An apparatus may comprise a processor circuit, and a M2M control component arranged for execution by the processor circuit to manage M2M group control signaling in a wireless network for multiple M2M devices in a M2M group, the M2M control component to generate a resource allocation for multiple M2M devices of a M2M group, generate a M2M group control message with the resource allocation, and send the M2M group control message to the M2M devices in the M2M group. Other embodiments are described and claimed. | 10-03-2013 |
| 20130265932 | TECHNIQUES FOR MACHINE-TO-MACHINE DEVICE MANAGEMENT - Techniques for machine-to-machine device management are described. In some embodiments a method may comprise receiving information from a plurality of machine-to-machine (M2M) devices over one or more wireless channels, aggregating two or more of the M2M devices as an M2M group based on the received information, and multicasting data to the M2M devices in the M2M group over the one or more wireless channels. Other embodiments are described and claimed. | 10-10-2013 |
| 20130265976 | Wireless Network Re-Entry Systems and Processes - Embodiments of the invention include a fast network re-entry system that optimizes the network re-entry and bandwidth request process for wireless communications between a base station and a mobile or fixed station. In one embodiment a mobile station, in idle mode, transmits a single communication, including both control information and bandwidth request information, to a base station. The communication may proceed via an uncontested communication slot. Other embodiments are described herein. | 10-10-2013 |
| 20130265984 | GROUPED MACHINE-TO-MACHINE COMMUNICATIONS - Embodiments of the present disclosure describe methods, computer-readable media and system configurations for organizing wireless devices such as user equipment (“UE”) into groups and allocating wireless network resources to those groups. In an example method, a radio access network (“RAN”) node may organize a first machine-to-machine (“M2M”) wireless device and a second M2M wireless device into a group of M2M wireless devices. The RAN Node may then allocate a wireless network resource to the group of M2M wireless devices. Other embodiments may be described and/or claimed. | 10-10-2013 |
| 20130272182 | D2D CONNECTION RECOVERY SCHEMES - Schemes for recovering D2D connections between terminals (UEs) in an LTE network are described. The schemes may be applied in situations where a D2D connection is established between two UEs but is lost by, for example, one of the UEs entering a sleep state. The schemes may be applied to either centralized or distributed D2D systems. Some of the schemes are eNB-assisted while others are performed solely by the UEs. | 10-17-2013 |
| 20130272196 | INTERFERENCE NOTIFICATION IN DEVICE-TO-DEVICE COMMUNICATION - Systems and techniques for wireless device-to-device (D2D) communication are provided herein. A D2D group identifier may be included in wireless transmissions within D2D groups. D2D interference mitigation processes may be initiated when a D2D group identifier is detected by a wireless device outside the D2D group. | 10-17-2013 |
| 20130272262 | MULTI-ACCESS SCHEME AND SIGNAL STRUCTURE FOR D2D COMMUNICATIONS - A signal structure for use in D2D communications is described. In one embodiment, a preamble for automatic gain control at the receiver end is included in the transmitted signal. Techniques for scheduling of D2D transmissions using carrier sensing multiple access (CSMA) and a power control schemes for interference management are also described. | 10-17-2013 |
| 20130273923 | APPARATUS AND METHOD TO ENABLE DEVICE-TO-DEVICE (D2D) DISCOVERY IN CELLULAR NETWORKS - An apparatus and method of allowing user equipment (UE) to transmit information directly with other user equipment, using a device-to-device (D2D) mode is disclosed herein. A D2D UE (dUE | 10-17-2013 |
| 20130301438 | APPARATUS AND METHOD TO ESTABLISH A DEVICE-TO-DEVICE (D2D) CONNECTION IN A 3GPP-LTE NETWORK USING A DISTRIBUTED CHANNEL SCAN - An apparatus and method that allow user equipment (UE) to transmit information directly with other user equipment, using a device-to-device (D2D) mode is disclosed herein. A first D2D UE (dUE | 11-14-2013 |
| 20130336223 | REDUCING POWER CONSUMPTION FOR M2M COMMUNICATIONS IN WIRELESS NETWORKS - Systems and methods for establishing power saving data transmissions with machine-to-machine (M2M) communication capable devices and like user equipment in wireless networks are generally disclosed herein. One embodiment includes data transmission techniques to bundle small M2M data packet transmissions in an initial wireless network access process, performed before the device begins to negotiate the wireless network connection with a base station (BS). If the M2M data is successfully transmitted to the BS in the initial communication(s), then further connection does not need to occur, saving power and transmissions needed to negotiate and establish the wireless network connection. Configurations for a system, base station, and user equipment (user equipment including various M2M communication capable devices) are also described herein, including configurations for implementing the data transmission techniques. | 12-19-2013 |
| 20140010216 | FEEDBACK SCHEME FOR MU-MIMO - Embodiments of a system and method for managing feedback in a MU-MIMO system. An access point can announce one or more of mobile stations that are to receive downlink information in a first frame. The access point can also send a sounding package to the one or more mobile stations and receive feedback from the one or more mobile stations according to the feedback schedule. The feedback may be based on the reception of the sounding package. | 01-09-2014 |
| 20140036792 | DEVICE-TO-DEVICE ON-DEMAND ADVERTISEMENT - Embodiments of computer-implemented methods, systems, computing devices, and computer-readable media are described herein for device-to-device on-demand advertisement. In some embodiments, the method may include receiving a request for broadcasting an advertisement by a device-to-device (D2D) advertiser via a D2D communication protocol, requesting that an evolved NodeB (eNB) associated with the D2D advertiser allocate a resource for broadcasting the advertisement by the D2D advertiser, determining that the broadcasting the advertisement is no longer needed, and requesting that the eNB retrieve the allocated resource. Other embodiments may be described and claimed. | 02-06-2014 |
| 20140036876 | HIGH EFFICIENCY DISTRIBUTED DEVICE-TO-DEVICE (D2D) CHANNEL ACCESS - Techniques for facilitating device-to-device (D2D) communications using a high efficiency distributed channel access scheme are generally described herein. In some examples, a communication zone allocated for wireless D2D communications is divided into resource contention and scheduled transmission portions. The resource contention segment may be used to transmit a request message from a transmitting device to a receiving device (a request-to-send message), and transmit a response to the request message from the receiving device to the transmitting device (a clear-to-send message). The response can indicate a time for the data transmission to occur during the scheduled transmission segment. During the scheduled transmission segment, the scheduled data transmission and other D2D data transmissions among the various devices will be performed. In further examples, contention access techniques may be used during the resource contention segment to manage access to the resource channel. | 02-06-2014 |
| 20140038661 | POWER LOADING IN MU-MIMO - Embodiments of a system and method for transmitting data from an access point in a multiple user multiple input multiple output (MU-MIMO) system are provided. A first indication of signal quality (ISQ) is received at the access point from a first station and a second ISQ is received from a second station. The access point sets a first power level and a first modulation and coding scheme (MCS) for transmission of a first aggregated media access control (MAC) protocol data unit (A-MPDU) to the first station as a function of the first ISQ and an amount of payload data corresponding to the first A-MPDU. The access point also sets a second power level and a second MCS for transmission of a second A-MPDU as a function of the second ISQ and an amount of payload data corresponding to the second A-MPDU. | 02-06-2014 |
| 20140056193 | SYSTEM AND METHOD FOR MACHINE TO MACHINE COMMUNICATION - An apparatus may include a processor circuit, a radio-frequency (RF) transceiver coupled to the processor circuit, the RF transceiver operable to transmit a wireless data message. The apparatus may also include a communication scheduling module operable on the processor circuit to monitor transmission of the wireless data message to a network, and to transmit to the network a deregistration request to release a connected state when transmission of the wireless data message is complete. Other embodiments are disclosed and claimed. | 02-27-2014 |
| 20140056221 | METHOD FOR PAGING-BASED DELGATE INDICATION FOR M2M GROUP - A machine-to-machine-type (M2M-type) device and technique comprising a transceiver at an M2M-type device that receives from a base station a paging message designating the M2M-type device to be a delegate for a group of M2M-type devices. In response, a processor of the M2M-type device generates an acknowledgement and/or an M2M-type group-based reentry communication for the transceiver to send to the base station. The base station is part of wireless network that can comprise one of a Bluetooth-based standard wireless network, an IEEE 802.11-based standard wireless network, an IEEE 802.16-based standard wireless network, an IEEE 802.18-based wireless network standard, a 3GPP LTE-based wireless network standard, a 3GPP-based protocol wireless network, a 3GPP2 Air Interface Evolution (3GPP2 AIE) based wireless network standard, a UMTS-based protocol wireless network, a CDMA2000-based protocol wireless network, a GSM-based protocol wireless network, a cellular-digital-packet-data-based (CDPD-based) protocol wireless network, or a Mobitex-based protocol wireless network. | 02-27-2014 |
| 20140056229 | NETWORK REENTRY OF MACHINE-TO-MACHINE DEVICES - Embodiments of the present disclosure describe device, methods, computer-readable media and system configurations for establishing a reentry procedure for a machine-to-machine (“M2M”) device to reenter a wireless communication network based on traffic pattern characteristics or mobility characteristics associated with the M2M device. In various embodiments, a wireless communication device may include a processor, a wireless communication interface, memory coupled to the processor, and a control module. The control module may be operated by the processor and configured to establish a reentry procedure for a machine-to-machine (“M2M”) device to reenter a wireless communication network based on traffic pattern characteristics or mobility characteristics associated with the M2M device. Other embodiments may be described and/or claimed. | 02-27-2014 |
| 20140169298 | DEVICE-TO-DEVICE DISTRIBUTED SCHEDULING - A system and method for distributed scheduling of transmissions between device-to-device (D2D) communications is disclosed. The distributed scheduling method employs a distributed scheduling structure in which device identifiers rather than connection identifiers are used to enable scheduling of a D2D data transfer between devices in a wireless neighborhood. The novel distributed scheduling structure is scalable to a larger number of D2D devices than is feasible with a connection ID-based tone matrix. | 06-19-2014 |
| 20140181200 | ONE GROUP PAGING SCHEME FOR MACHINE-TO-MACHINE COMMUNICATION - A group paging method is disclosed for efficient machine-to-machine communication in a wireless network. The group paging method enables M2M-capable base stations to group M2M-capable mobile stations according to their traffic properties, assign them a group paging ID, and thereafter page the M2M device, whether the mobile station is asleep or not, by way of a paging channel. The group paging method mitigates traffic congestion on the wireless network. | 06-26-2014 |
| 20140198738 | TECHNIQUES TO MANAGE PAGING CYCLES FOR MACHINE-TO-MACHINE DEVICES - Techniques to control paging cycles for machine-to-machine (M2M) devices are described. An apparatus may comprise a processor circuit, a connection manager component arranged for execution by the processor circuit to establish a wireless connection with a device, and a paging component arranged for execution by the processor circuit to select a paging class for the device from among multiple paging classes, each paging class associated with a different paging cycle and paging class parameter, with at least one of the multiple paging classes comprising a M2M paging class associated with a M2M paging cycle and a M2M paging class parameter. Other embodiments are described and claimed. | 07-17-2014 |
| 20140256324 | CHANGING THE MACHINE-TO-MACHINE (M2M) GROUP OF AN M2M DEVICE - Briefly, in accordance with one or more embodiments, communication is made by a machine-to-machine (M2M) device with a first base station using a first group identifier, and then a handover is performed to a second base station. The M2M device listens to a message broadcast by the second base station to determine if the first group identifier should be changed. The M2M device requests assignment of a second group identifier for communication with the second base station if it is determined that the group identifier should be changed for the M2M device. In some embodiments, the M2M device wake from an idle mode to listen to a message broadcast by the base station. If the message indicates that a group identifier should be changed, the M2M device requests assignment of an updated group identifier. | 09-11-2014 |
| 20140274082 | SYSTEM AND METHOD FOR IMPROVING NETWORK ACCESS IN MACHINE TO MACHINE COMMUNICATION - An apparatus may include a processor circuit and an adaptive access module operable on the processor circuit to schedule broadcast of random access resources to access a radio network and to adaptively adjust an initial backoff window size for access signaling to the radio network during an access period. Other embodiments are disclosed and claimed. | 09-18-2014 |
| 20140286133 | DEVICE-TO-DEVICE ANGLE DETECTION WITH ULTRASOUND AND WIRELESS SIGNAL - A method for determining orientation of an electronic device relative to another electronic device is described. The method includes synchronizing internal clock of a first electronic device with internal clock of a second electronic device using electromagnetic signals communicated between the first electronic device and the second electronic device, sending two or more sound waves from the second electronic device, receiving the two or more sound waves at the first electronic device, and calculating orientation of the first electronic device relative to the second electronic device based on a difference in time of arrival of the two or more sound waves at the first electronic device. The first electronic device and the second electronic device each have at least one transceiver configured to send and receive electromagnetic signals. The first electronic device has two or more acoustoelectric transducers and the second electronic device has one or more acoustoelectric transducer. | 09-25-2014 |
| 20140295858 | USER EQUIPMENT AND METHOD FOR DISTRIBUTED CHANNEL ACCESS FOR D2D COMMUNICATIONS - Embodiments of a system and method for distributed channel access for device-to-device (D2D) communication in a wireless network are generally described herein. User equipment (UE) may transmit a connection identifier (CID) code at a beginning of a contention window to request channel access for a D2D transmission to a receiving device. Links for D2D transmissions from a transmitting device to a receiving device are identified by a CID that is mapped to a CID code. The UE may receive a bandwidth grant from the receiving device during the contention window, along with bandwidth grants for other CIDs, in an order based on a priority level of the CID. The UE may transmit data after reception of the bandwidth grants in time-frequency resources indicated in an associated one of the bandwidth grants. In some embodiments, spatial-reuse and variable resource size allocation are supported. | 10-02-2014 |
| 20150038179 | INDIVIDUAL AND GROUP PAGING IN A WIRELESS NETWORK - Methods and systems are described for individual and group paging of a wireless device via a wireless communications network. The method can include setting a paging cycle and a paging offset for the wireless device. A wireless device can be assigned to a device group using a device group identifier. The wireless device can wake up to check for paging events received via the wireless communication network during a portion of the paging cycle. A further operation can be receiving a group paging event for the device group at the wireless device during the portion of the paging cycle. | 02-05-2015 |
| 20150189458 | ONE METHOD OF DELEGATE-BASED GROUP CHANNEL ACCESS - A delegate-based group channel access method is disclosed for machine-to-machine (M2M) communication. The delegate-based group channel access method groups M2M devices having common characteristics together, assigns a single delegate or multiple delegates from the group according to some criteria, and uses the assigned delegate to perform channel access. This method avoids unnecessary peer-to-peer communication between M2M devices reduces the probability of collision on the channel during initial channel access, and reduces the control signaling overhead. The, delegate-based group channel access method also coordinates the number of slots to backoff so that all M2M devices in the group keep pace with the delegate. | 07-02-2015 |
| 20150271762 | POWER LOADING IN MU-MIMO - Embodiments of a system and method for transmitting data from an access point in a multiple user multiple input multiple output (MU-MIMO) system are provided. A first indication of signal quality (ISQ) is received at the access point from a first station and a second ISQ is received from a second station. The access point sets a first power level and a first modulation and coding scheme (MCS) for transmission of a first aggregated media access control (MAC) protocol data unit (A-MPDU) to the first station as a function of the first ISQ and an amount of payload data corresponding to the first A-MPDU. The access point also sets a second power level and a second MCS for transmission of a second A-MPDU as a function of the second ISQ and an amount of payload data corresponding to the second A-MPDU. | 09-24-2015 |
| 20150271859 | MEASUREMENT REPORTING IN D2D COMMUNICATION - An apparatus is provided for use in a User Equipment, UE, comprising an input to receive an information element, IE, during a device-to-device, D2D, communication session with another UE, the IE indicating whether or not the UE is to send a measurement report; a processing section to determine based on the indication; and an output to control transmission by the UE, the processing section being arranged to suppress participation in measurement reporting when it is determined that a measurement report is not to be sent. A related apparatus is provided for use in an evolved Node B, eNB, and related methods are also provided. | 09-24-2015 |
| 20150358117 | INTERLEAVER FOR MULTIUSER TRANSMISSION - Certain embodiments herein relate to an interleaver based on usable tones of a resource allocation. The interleaver is selected according to the number of usable tones and may be selected for each resource allocation to accommodate the variance in usable tones. The selected codebit interleaver or symbol interleaver may be a block interleaver in which bits are sequentially read in row by row and read out column by column, such that any unfilled entries in the block interleaver are skipped. | 12-10-2015 |
| 20150382365 | LOW POWER DEVICE TO DEVICE TRANSMISSION - In embodiments, apparatuses, methods, and storage media may be described for allocating radio resources to a user equipment (UE) for device to device (D2D) transmission. Specifically, the UE may be configured to predict cellular interference to one or more cellular transmissions in a cell that may be caused by the transmission of a D2D signal. Based on that predicted interference, the UE may identify one or more radio resources in for the D2D transmission. | 12-31-2015 |
| 20160044704 | NETWORK SCHEDULED DEVICE TO DEVICE COMMUNICATION - A technology for device to device (D2D) communication scheduling is disclosed. A D2D device can be synchronized with a base station of a cellular system. A sub-frame symbol boundary can be identified in the cellular system for the D2D communication. A resource for a D2D communication can be allocated from the D2D device to another D2D device within the sub-frame boundary of the cellular system. The D2D device can be switched to perform a D2D communication with another D2D device in proximity with the D2D device, wherein the other D2D device is substantially synchronized with the base station of the cellular system. The D2D device can communicate with the other D2D device within at least one symbol boundary time within the selected subframe. | 02-11-2016 |
