| Patent application number | Description | Published |
|---|
| 20080277563 | TRACKING A MOVING OBJECT FROM A CAMERA ON A MOVING PLATFORM - A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an imaging device positioned in a vehicle and implementing exponentially stabilizing control laws based on the determined transformation and a distance to an imaged target. The method also includes generating a rotation output from the exponentially stabilizing control laws, generating a zoom output from the exponentially stabilizing control laws, determining a system latency in redirecting an optical axis and modifying a lens system along the optical axis, and determining the transformation of the origin of the imaging device with respect to global coordinates. A centroid of the target image is maintained within a selected distance from the origin of the imaging device. The apparent distance between the imaged target and the imaging device is also maintained. | 11-13-2008 |
| 20090052371 | METHOD FOR ADUSTING POWER AT A NODE - In one embodiment, a method for distributed power control in a network is provided. The method determines a transmit power for a plurality of transmitting nodes such that signals sent from each of the transmitting nodes are received at a receiving node at a signal to interference plus noise ratio (SINR) set point. Additionally, the method increases the SINR at the receiving node of one or more transmitting nodes of the plurality of transmitting nodes, and decreases the SINR at the receiving node of one or more other transmitting nodes of the plurality of transmitting nodes; wherein a total increase in SINR by the one or more transmitting nodes is substantially equal to total decrease in SINR by the one or more other transmitting nodes. | 02-26-2009 |
| 20090088916 | METHOD AND SYSTEM FOR AUTOMATIC PATH PLANNING AND OBSTACLE/COLLISION AVOIDANCE OF AUTONOMOUS VEHICLES - Method and systems of traversing through a domain is provided. One method comprises getting a set of widely spaced waypoints, assigning the next waypoint to be the goal, then using a Laplacian path planner to construct a desired finely detailed path towards the goal, through the domain that avoids boundaries and objects in the domain. Assigning a potential value of v(r)=0 for r on boundaries and obstacles. Assigning a potential value of v(r)=−1 for r on a goal region, wherein the goal is a point on a planned path. Obtaining a numerical solution to the desired path with a Laplace's equation by gridding up the domain with a multi-sized cell grid, wherein the cells near an object are denser then the cells away from the objects. Iteratively setting a potential at each interior point equal to the average of its nearest neighbors and following the numerical solution provided by the Laplace's equation to the goal region. | 04-02-2009 |
| 20090093267 | METHOD AND SYSTEM FOR PERFORMING DISTRIBUTED OUTER LOOP POWER CONTROL IN WIRELESS COMMUNICATION NETWORKS - A method and system for performing distributed outer loop power control in a wireless communication network are disclosed. The method includes the steps of determining a transmit power for a plurality of transmitting nodes such that signals sent from each of the transmitting nodes are received at a receiver associated with a receiving node at a predetermined signal-to-interference plus noise ratio (SINR) set point, increasing the SINR at the receiving node of one or more transmitting nodes of the plurality of transmitting nodes if a saturation value for a front end of the receiver associated with the receiving node is not near a predetermined saturation value, and decreasing the SINR at the receiving node of the one or more transmitting nodes of the plurality of transmitting nodes if the saturation value for the front end of the receiver associated with the receiving node is near the predetermined saturation value. | 04-09-2009 |
| 20090245262 | METHOD TO OPERATE A WIRELESS NETWORK HAVING A PREDICTABLE AND STABLE PERFORMANCE - A method for operating a wireless network having a predicable and stable network performance. The method includes controlling output distribution of nodes in the network to adapt to traffic changes in the network, distributing power control to adapt to environmental changes in the network, and providing traffic sensitive routing to adapt to topology changes in the network. The method also includes converging to set points based on the controlling of output distribution, the distributing of power control, and the providing of traffic sensitive routing. | 10-01-2009 |
| 20090303888 | METHOD AND SYSTEM FOR OPTIMIZING WIRELESS NETWORKS THROUGH FEEDBACK AND ADAPTATION - A method for optimizing a wireless network comprises obtaining local measurement and feedback data from a single node in the network; estimating a state of the node by using the local measurement and feedback data in an analysis framework model of the wireless network; applying the estimated state of the node to a local control law to determine one or more local protocol parameter updates for the node; and transmitting the one or more local protocol parameter updates to the node in the network. The method can further comprise obtaining global measurement and feedback data from one or more additional nodes in the network; estimating a state of the one or more additional nodes by using the global measurement and feedback data in the analysis framework model; applying the estimated state of the one or more additional nodes to the local control law; applying the estimated state of the one or more additional nodes to a global control law to determine one or more network-wide protocol parameter updates; and transmitting the network-wide protocol parameter updates to the network. | 12-10-2009 |
| 20100121574 | METHOD FOR COLLISION AVOIDANCE OF UNMANNED AERIAL VEHICLE WITH OTHER AIRCRAFT - A method for collision avoidance of an unmanned aerial vehicle (UAV) with other aircraft such as manned aircraft or another UAV is provided. The method comprises detecting an aircraft approaching a flight path of an unmanned aerial vehicle, and estimating a position, range, and velocity of the aircraft. An estimated path of the aircraft is determined from the position, range, and velocity. A new flight path is then calculated for the unmanned aerial vehicle to a waypoint to avoid the estimated path of the aircraft. | 05-13-2010 |
