Patent application number | Description | Published |
20090036144 | TECHNIQUES FOR MOBILITY INDUCED ERROR CORRECTION - Techniques for mobility induced error correction are described. An apparatus may comprise a mobile device having a frequency correction module arranged to determine a frequency shift for a communication channel caused by movement of the mobile device relative to a fixed device, and generate a frequency correction value to compensate for the frequency shift. Other embodiments are described and claimed. | 02-05-2009 |
20090067375 | BEAMFORMING WITH NULLING TECHNIQUES FOR WIRELESS COMMUNICATIONS NETWORKS - Beamforming with nulling techniques for wireless communications networks are disclosed. For example, an apparatus may include a beamforming module and a weight determination module. The beamforming module applies beamforming weights to a downlink user channel with a first mobile station. The weight determination module determines the beamforming weights based on user channel information and interfering channel information. This user channel information is received from the first mobile station and includes characteristics of the downlink user channel. However, the interfering channel information includes characteristics of one or more downlink interfering channels received by one or more further mobile stations. These downlink interfering channels are associated with transmissions across the downlink user channel with the first mobile station. | 03-12-2009 |
20100008331 | BANDWIDTH ALLOCATION BASE STATION AND METHOD FOR ALLOCATING UPLINK BANDWIDTH USING SDMA - Embodiments of a base station and methods for allocating uplink bandwidth using SDMA are generally described herein. In some embodiments, uplink bandwidth request messages are received on a bandwidth request contention channel from one or more subscriber stations. The uplink bandwidth request messages are generated by the subscriber stations by modulating pilot subcarriers of a randomly selected disjoint pilot pattern with a randomly selected orthogonal sequence. The base station allocates uplink bandwidth to the subscriber stations when the uplink bandwidth request messages are successfully detected and decoded. The base station uses an SDMA technique to determine channel responses based on the orthogonal sequences to detect and decode the uplink bandwidth request messages. | 01-14-2010 |
20100020702 | TECHNIQUES FOR WIRELESS COMMUNICATIONS NETWORKS EMPLOYING BEAMFORMING - Techniques involving beamforming are disclosed. For example, For instance an apparatus may select a first mobile station served by a first base station and a second mobile station served by a second base station. Based on this selection, a quality metric may be determined that is based on a strength of a user link and a strength of an interfering link. The user link is associated with service of the first mobile station and the interfering link is associated with service of the second mobile station. When the quality metric is greater than a predetermined threshold, the apparatus may designate the first and second mobile stations as suitable for beamforming service in a same resource allocation. Also, techniques are disclosed for determining whether a mobile station is a cell edge mobile station. | 01-28-2010 |
20100081448 | ENHANCED SCHEDULING TECHNIQUES FOR WIRELESS COMMUNICATION NETWORKS - An enhanced beamforming with interference nulling method is an improvement over prior art beamforming with interference nulling techniques. The enhanced method includes two scheduling schemes that allow all base stations to schedule their cell edge users independently and determine the information exchange among base stations over the backbone that is needed to support the scheduling activity. The method uses grouping information to perform distributed scheduling among base stations to schedule downlink transmission to cell edge users, while reducing interference to cell edge users served by neighboring base stations. The enhanced method demonstrates the base station-to-base station coordination and information exchange that is needed to enable independent base station scheduling of their cell edge users. | 04-01-2010 |
20100144356 | Base station coordination through co-located relays - A relay station, which is used to communicate between a base station and a subscriber station in a wireless communications network, may also be used to communicate between the base station and another base station in an adjacent network by having the relay station communicate a message to or from the other base station, either directly or through another relay station associated with the other base station. In some embodiments, relay stations in adjacent networks may be co-located, so that they can communicate with each other over a short high-speed link. In some embodiments this link may be suitable for direct digital communications rather than through modulated carrier signals. | 06-10-2010 |
20110264939 | STOCHASTIC MANAGEMENT OF POWER CONSUMPTION BY COMPUTER SYSTEMS - Embodiments of the present disclosure describe methods, computer-readable media and system configurations for stochastic power management of one or more computer systems. A method may include ascertaining a workload of a plurality of computer systems (e.g., a data center). Additionally or alternatively, a method may include initiating, by a control module operated by a processor of a first of the plurality of computer systems, a stochastic power management process to manage power consumption of the first of the plurality of computer systems. The stochastic power management process may be conditionally initiated based at least in part on the ascertained workload of the plurality of computer systems. The stochastic power management process may include a plurality of virtual machine management actions having corresponding probabilities being taken, one or more of which may result in power savings. Other embodiments may be described and/or claimed. | 10-27-2011 |
20110280174 | METHOD AND DEVICE FOR IMPLICIT RELAY - Embodiments of a method and apparatus for implicit relay of communication between a base station and a subscriber station within a wireless network are described. Some embodiments may reduce co-channel interference at the subscriber station and some embodiments may allow the base station to reduce its transmission power. Other embodiments may be described and claimed. | 11-17-2011 |
20120002569 | Swarm intelligence based methods to enable cooperative communication in a mesh network - A method and device are described for determining at a node in a mesh network, cooperation with other nodes in forwarding messages and packets in a mesh network. | 01-05-2012 |
20120071192 | DEVICE, SYSTEM, AND METHOD OF ADJUSTING CHANNEL UTILIZATION FOR WIRELESS TRANSMISSION - Device, system, and method of adjusting channel utilization for wireless transmission. For example, a wireless communication unit may control a wireless transmission by a wireless communication device during a contention period, wherein the wireless communication unit is to wait for a back-off period prior to beginning the wireless transmission during the contention period, and wherein a duration of the back-off period is based on a transmission power of the wireless transmission. Other embodiments are described and claimed. | 03-22-2012 |
20120134361 | SYSTEM AND METHOD OF UTILIZING A FRAMEWORK FOR INFORMATION ROUTING IN LARGE-SCALE DISTRIBUTED SYSTEMS USING SWARM INTELLIGENCE - In some embodiments, the invention involves information routing in networks, and, more specifically, to defining a framework using swarm intelligence and utilization of the defined framework for routing information in the network, especially for cloud computing applications. In an embodiment, information about available information/services is pushed to network nodes using information packets (ants). Nodes requiring services send query packets (ants) and a node may send a response to a query ant when information is available. Ants may be forwarded throughout the network based on popularity of nodes, freshness of information/requests, routing table information, and requests or interest by consumer nodes captured in information routing table. Other embodiments are described and claimed. | 05-31-2012 |
20120163181 | Enabling Coexistence of High-Density and Low-Density Transmissions - Embodiments may comprise logic such as hardware and/or code to enable coexistence of high-density and low-density transmissions with a modified CSMA protocol. Embodiments include a self-CTS (self clear to send) packet transmission prior to transmission of a ready to send (RTS) signal when initiating a high density transmission amidst legacy devices. In many embodiments, the self-CTS or the RTS includes a network allocation vector (NAV) having a value for the duration of the transmission. In some embodiments, the self-CTS may include a flag or bit to indicate the Shading Transmission Starts (STS). | 06-28-2012 |
20120287895 | BASE STATION AND METHOD FOR RESOURCE ALLOCATION IN A 3GPP LTE NETWORK - Embodiments of a base station and methods for allocating uplink bandwidth using SDMA are generally described herein. In some embodiments, uplink bandwidth request messages are received on a bandwidth request contention channel from one or more subscriber stations. The uplink bandwidth request messages are generated by the subscriber stations by modulating pilot subcarriers of a randomly selected disjoint pilot pattern with a randomly selected orthogonal sequence. The base station allocates uplink bandwidth to the subscriber stations when the uplink bandwidth request messages are successfully detected and decoded. The base station uses an SDMA technique to determine channel responses based on the orthogonal sequences to detect and decode the uplink bandwidth request messages. | 11-15-2012 |
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 |
20140330985 | SYSTEM AND METHOD OF UTILIZING A FRAMEWORK FOR INFORMATION ROUTING IN LARGE-SCALE DISTRIBUTED SYSTEMS USING SWARM INTELLIGENCE - In some embodiments, the invention involves information routing in networks, and, more specifically, to defining a framework using swarm intelligence and utilization of the defined framework for routing information in the network, especially for cloud computing applications. In an embodiment, information about available information/services is pushed to network nodes using information packets (ants). Nodes requiring services send query packets (ants) and a node may send a response to a query ant when information is available. Ants may be forwarded throughout the network based on popularity of nodes, freshness of information/requests, routing table information, and requests or interest by consumer nodes captured in information routing table. Other embodiments are described and claimed. | 11-06-2014 |