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133results about How to "Minimal overhead" patented technology

Medium access control (MAC) protocol for wireless ATM

A protocol, method, and apparatus for managing network communications which are particularly well suited for ATM communications across a wireless medium. Contiguous time slots within a frame are allocated to each node having traffic to send. Each node is assured a nominal bandwidth, and excess bandwidth is distributed by demand. The allocation of excess bandwidth can be dependent upon the size of the buffer at each node, as well as the time-criticality of each message. Nodes communicate their requests for allocation by appending such control information to the first of their transmitted packets. The allocation, of each node's transmit and receive time slots, is transmitted to all the nodes at the beginning of each frame. Thereafter, each node need not participate on the network until their allocated time periods, thereby allowing portable devices to enter inactive states to conserve power. The network is operated in a connection mode; connections are established in a relatively non-interfering manner by the use of periodically occurring beacons. Inactive, unconnected, nodes need only monitor the network during these beacon periods, further allowing for power conservation.
Owner:UNILOC 2017 LLC

Encapsulated, streaming media automation and distribution system

Disclosed are systems and methods for creating and distributing programming content carried by a digital streaming media to be a plurality of remote nodes located over a large geographic area to create customized broadcast quality programming at the remote nodes. At the remote nodes, a multi-window screen display simultaneously shows different programming including national programming and local programming content. The remote nodes utilize a remote channel origination device to assemble the customized programming at the remote location that can be controlled from a central location. An encapsulated IP and IP encryption system is used to transport the digital streaming media to the appropriate remote nodes. Also disclosed is a graphical user interface (“GUI”) providing a software control interface for creating and editing shows or programs that can be aired or played on a remote display device having a multi-window display. The intuitive GUI Software provides the user the ability to easily manage and assemble a series of images, animations and transitions as a single broadcast quality program to be displayed on a remote display device. Another application software system is capable of automating the production of audio narration reports. The disclosed audio concatenation engine automates the creation of audio narration using prerecorded audio segments to minimize the requirement for live, on-air personnel to record audio narration segments.
Owner:CALLAHAN CELLULAR L L C

Method and apparatus for conducting electronic commerce transactions using electronic tokens

Methods and apparatus for conducting electronic commerce using electronic tokens are described. The electronic tokens are issued and maintained by a vendor, who also provides products and services that can be purchased or rented using the electronic tokens. The electronic tokens may be purchased from the vendor either on-line, using a credit card, or off-line, using a check, money order, purchase order. Because the vendor is the issuer of the electronic tokens, there is no need for transactions to be handled by a third party, such as a bank or other organization. This reduces the overhead involved in conducting electronic commerce, and provides the vendor with a greater amount of control. Additionally, the vendor maintains total control over the price of the electronic tokens at any time. For vendors who offer software products for sale or rental, use of electronic tokens makes a variety of rental arrangements practical, including rental for short periods of time, for a specific number of uses, or for a specific number of processings.
Owner:AML IP LLC

System and method for creating and managing virtual services

A method of creating and managing virtual servers utilizes separate master copies of information such as operating systems, configuration files, and application programs. When a virtual server is created, it loads an appropriate operating system and configuration information. During the boot process, the virtual server is configured to provide a predetermined service. Appropriate application programs are subsequently loaded to support the service configuration. Multiple virtual servers can be created and configured using the master copies of information, thus reducing the amount of customization required by each virtual server. Virtual servers can be easily restarted from failures with minimal loss of data.
Owner:RED HAT

Integrated mechanism for suspension and deallocation of computational threads of execution in a processor

A mechanism for processing in a processor enabled to support and execute multiple program threads includes a parameter for scheduling a program thread and an instruction disposed within the program thread and enabled to access the parameter. When the parameter equals a first value the instruction, when issued by a program thread, reschedules the program thread in accordance with one or more conditions encoded within the parameter.
Owner:MIPS TECH INC

Method for determining non-broadcast multiple access (NBMA) connectivity for routers having multiple local NBMA interfaces

The present invention discloses an efficient architecture for routing in a very large autonomous system where many of the layer 3 routers are attached to a common connection-oriented layer 2 subnetwork, such as an ATM network. In a preferred embodiment of the invention, a permanent topology of routers coupled to the subnetwork is connected by permanent virtual circuits. The routers can further take advantage of both intra-area and inter-area shortcuts through the layer 2 network to improve network performance. The routers pre-calculate shortcuts using information from link state packets broadcast by other routers and store the shortcuts to a given destination in a forwarding table, along with corresponding entries for a next hop along the permanent topology. The present invention allows the network to continue to operate correctly if layer 2 resource limitations preclude the setup of additional shortcuts.
Owner:AT&T INTPROP I L P

System and method for progressive quantization for scalable image and video coding

An improved system and method for dequantizing progressively quantized signals in scalable image and video coding. A decoder performs simple dequantization, such as normal uniform dequantization, on coded content using a quantization index and a nominal quantization step size to obtain a nominal reconstruction level. The result is then adjusted by adding the reconstruction offset to obtain the final reconstruction value.
Owner:NOKIA CORP

Method for computerized indexing and retrieval of digital images based on spatial color distribution

In the context of image database systems, a method for indexing and retrieval of images by their color content and the spatial distribution of color is disclosed. The method is implemented as a software tool that runs on a personal computer and enables the computer to find a desired image from an image database. The user interface allows the user to describe the desired image, and the tool searches the repository for any images that satisfy the description. The description of the composite image may include information on shapes, texture, presence or absence of objects, and color. The process of search and retrieval of images makes use of a method that determines whether a specific color, or a combination of colors, is present in an image. Further, the method determines the location where the specific color or color combination can be found. By analyzing the results of comparisons between the features found in the composite image and in the stored images, the tool retrieves those images that satisfy the description of the query, image. Calculation of color-related features makes significant use of the calculations that are made in the process of image compression which is an essential step prior to image storage. The process of search and retrieval on the basis of features relating to color are provided via a library of routines that perform the necessary tasks.
Owner:GOLSHANI FOROUZAN +1

System and method for signaling information in order to enable and disable distributed billing in a network environment

An apparatus for signaling information in a network environment is provided that includes an access gateway operable to establish one or more packet data protocol (PDP) links on behalf of an end user. The access gateway is operable to communicate a message associated with a change in quality of service, locale, or policy enforcement relating to a selected one of the PDP links to a client services packet gateway (CSPG). The CSPG responds to the message by providing an accounting command for the selected PDP link such that synchronization is achieved between accounting information and a state associated with the selected PDP link.
Owner:CISCO TECH INC

Computer graphics system with dual FIFO interface

A computer system has a graphics subsystem employing a rasterizer and a frame buffer, with a digital-to-analog converter for producing drive signals to a video display. A bus interface acts as a gateway between a PCI bus and the graphics subsystem; this interface manages commands and DMAs passing between the host processor and various parts of the graphics subsystem. Within the interface, two command FIFOs are employed, one for storing commands / data sent from the host for 2D display (window management) and another for 3D applications. Using two command FIFOs eliminates the need for host semaphore, FIFO draining, and the latency associated with these operations. Timers are provided in the interface, associated with the two command FIFOs, to manage and regulate the frequency with which the system automatically switches between 2D and 3D FIFO processing. Host intervention is minimized by use of a context macro store for holding locally the sequences for context save and context restore which are used repeatedly.
Owner:IBM CORP

Device and method for transmitting reference signal in multi-antenna system

The present invention relates to a device and a method for transmitting a reference signal in a multi-antenna system. The present specification discloses a method for receiving a reference signal, the method comprising the steps of: receiving, from a base station, first channel state information (CSI) reference signal (CSI-RS) configuration information including individual parameters necessary when a terminal receives a first CSI-RS from a horizontally adjacent horizontal representative antenna among the all of the transmission antennas of the base station and second CSI-RS configuration information including individual parameters necessary when the terminal receives a second CSI-RS from a vertically adjacent vertical representative antenna; and receiving the respective first and second CSI-RSs from the base station on the basis of the first CSI-RS configuration information and the second CSI-RS configuration information.
Owner:PANTECH CORP

Method and apparatus for conducting electronic commerce transactions using electronic tokens

Methods and apparatus for conducting electronic commerce using electronic tokens are described. The electronic tokens are issued and maintained by a vendor, who also provides products and services that can be purchased or rented using the electronic tokens. The electronic tokens may be purchased from the vendor either on-line, using a credit card, or off-line, using a check, money order, purchase order, or other payment means. Because the vendor is the issuer of the electronic tokens, there is no need for transactions to be handled by a third party, such as a bank or other organization. This reduces the overhead involved in conducting electronic commerce, and provides the vendor with a greater amount of control. Additionally, the vendor maintains total control over the price of the electronic tokens at any time. For vendors who offer software products for sale or rental, use of electronic tokens makes a variety of rental arrangements practical including rental for short periods of time, for a specific number of uses, or for a specific number of processing.
Owner:AML IP LLC

Efficient handling of vector high-level language conditional constructs in a SIMD processor

The present invention provides an efficient method to implement nested if-then-else conditional statements in a SIMD processor, which requires only one vector compare instruction for both if and else parts of the conditional construct. No stack and stack-handling instructions are needed for vector condition codes. Two condition code flag bits representing if and else parts of testing per element provide for nesting of multiple if-then-else. All SIMD instructions are conditional including the vector compare instruction, and this provides a method for aggregating multiple conditions in nested if-then-else statements. M full levels of if-then-else nesting requires (2M−1) nodes or vector test instructions and 2M+1 condition code flags per vector element. Also, capability to compare any element of first source vector register with any element of second source vector is provided.
Owner:CUE BIOTECH

Deviation based antenna control algorithm for an access point

An access point operating in a wireless communication network includes a smart antenna for generating directional antenna beams. A method for operating the access point includes communicating with a client station using a selected directional antenna beam, with the client station initially being in a stationary position. Signal to noise ratios of signals received from the client station within a time interval are measured. At least one variation metric of a mean of the measured signal to noise ratios within the time interval is determined. This at least one determined variation metric is compared to a threshold for determining if the client station is moving.
Owner:INTERDIGITAL TECH CORP

Method and system for federated resource discovery service in distributed systems

Methods and systems are provided for identifying and allocating resources disposed within a plurality of distributed and autonomous computing systems, each of which may have its own legacy resource discovery service. Resource identification servers disposed within each one of the distributed computing systems communicate resource attribute data to a tree hierarchy of dedicated servers. The resource attribute data are maintained in native formats within the distributed computing systems and are mapped to a common format provided by the dedicated servers. The resource attribute data are aggregated at each node within the tree hierarchy, communicated up through the tree hierarchy to one or more root nodes and replicated down through all of the nodes. Additional system robustness is provided through period resource checks and resource attribute data updates. Resource allocation queries are submitted to any level node within the hierarchy and forwarded to the proper computing system for processing.
Owner:IBM CORP

System And Method Of Memory Access Of Multi-Dimensional Data

A novel and useful system and method of accessing multi-dimensional data in memory. The invention is applicable to neural network (NN) processing engines adapted to implement artificial neural networks (ANNs). The NN processor is constructed from self-contained computational units organized in a hierarchical architecture. The homogeneity enables simpler management and control of similar computational units, aggregated in multiple levels of hierarchy. Computational units are designed with minimal overhead as possible, where additional features and capabilities are aggregated at higher levels in the hierarchy. On-chip memory provides storage for content inherently required for basic operation at a particular hierarchy and is coupled with the computational resources in an optimal ratio. Lean control provides just enough signaling to manage only the operations required at a particular hierarchical level. Dynamic resource assignment agility is provided which can be adjusted as required depending on resource availability and capacity of the device.
Owner:HAILO TECH LTD

Fluidically isolated pumping and metered fluid delivery system and methods

An apparatus and method for pumping and optionally mixing of small quantities of biological fluid wherein the pumping mechanism is segregated from the biological fluid being pumped. The micro-pump pushes the biological fluid by compressing a cartridge housing the blood and reagents with collapsible walls with a roller or ball bearing, synchronized perpendicular plungers, or an acutely-angled member to push the biological fluid by collapsing the walls of the cartridge in the direction of flow.
Owner:AGILENT TECH INC

Frame buffer compression for video processing devices

For compressing a video signal, a local multiscale transform is applied to a frame of the video signal to obtain coefficient blocks. The coefficients of each block are distributed into a plurality of coefficient groups, and for at least one of the groups, a common exponent is determined for encoding the coefficients of the group, and respective mantissas are determined for quantizing the coefficients of the group in combination with the common exponent. Coding data including each exponent determined for a coefficient group and the mantissas quantizing the coefficients of the group in combination with this exponent are stored in an external frame buffer.
Owner:ZORAN CORPORATION

Memory and processor efficient network communications protocol

System and method for a full featured network communications protocol that is both memory and processor efficient. A preferred embodiment comprises a method for transmitting information between electronic devices, the method comprising creating a connection between a pair of electronic devices, sending a packet between the pair, acknowledging a receipt of the packet by a receiver of the packet, and dissolving the connection when it is no longer needed. The creating of the connection comprises assigning a port number to the connection at an initiating electronic device and then transmitting a connection request containing the port number to a servicing electronic device. After the transmitting, the creating further comprises receiving a second port number to the connection from the servicing electronic device.
Owner:TEXAS INSTR INC

System and method for synchronizing link state databases in a network environment

A method for communicating packets in a network environment is provided that includes communicating, by a first network element, a first summary update to a second network element. The method further includes receiving a second summary update from the second network element. The exchange of the first and second summary updates achieves adjacency between the first and second network elements. The first and second summary updates include, at least, locally generated state information and a single link state.
Owner:CISCO TECH INC

Neural Network Processing Element Incorporating Compute And Local Memory Elements

A novel and useful neural network (NN) processing core adapted to implement artificial neural networks (ANNs) and incorporating processing circuits having compute and local memory elements. The NN processor is constructed from self-contained computational units organized in a hierarchical architecture. The homogeneity enables simpler management and control of similar computational units, aggregated in multiple levels of hierarchy. Computational units are designed with minimal overhead as possible, where additional features and capabilities are aggregated at higher levels in the hierarchy. On-chip memory provides storage for content inherently required for basic operation at a particular hierarchy and is coupled with the computational resources in an optimal ratio. Lean control provides just enough signaling to manage only the operations required at a particular hierarchical level. Dynamic resource assignment agility is provided which can be adjusted as required depending on resource availability and capacity of the device.
Owner:HAILO TECH LTD

Method of generating and presenting kernel data

IDDS is implemented as a kernel resident data source which provides per-system call audit records into user space in a timely manner. Each invocation of a system call is audited and a record of the activity is placed into a circular buffer in the kernel. A user-space process reads the data from the buffer via a device driver interface. A device driver provides a clean interface between the kernel and the IDS. The semantics of device drivers are familiar to most UNIX programmers, following the standard file-based open-read-write-close paradigm.
Owner:HEWLETT-PACKARD ENTERPRISE DEV LP +1

Opportunistic wireless mesh network methods

The invention relates to opportunistic wireless mesh networks which operate under random networking conditions. Such random network conditions typically limit the effectiveness of prior art wireless mesh networks, and more particularly to those supporting low power devices within the wireless network. Random network conditions include: random power supply, random node distribution, random node mobility, high mobility of nodes, random wireless link fluctuations, and random application traffic. The opportunistic wireless mesh network utilizes a two-layer architecture Embedded Wireless Interconnect (EWI) framework, which is adopted as the architecture reference model. A mesh network according to the invention supports opportunistically determining both mesh interconnections and network transmission routes by providing nodes with broadcast modules and unicast modules. The methods provide novel low power opportunistic wireless mesh networks that support interconnection with existing network infrastructures such as Open System Interconnect (OSI) based wired or wireless networks. Network embodiments provide protocol translation at network borders to allow micro- and macro-mobility management for wireless devices and their associated users. Additionally embodiments of the opportunistic wireless mesh networks address reduction in power consumption.
Owner:SENNET COMM

System and methods for invalidation to enable caching of dynamically generated content

Various systems and methods are describe for determining dynamically generated content to be invalidated as a result of changes to underlying data. In one method, invalidation processing is performed using a delayed version of the database that reflects the state of the database at the beginning of a preceding processing cycle, and an update log that reflects all updates since the beginning of the preceding processing cycle. In another method, invalidation processing is performed by locking a database which is locked during processing so as to reflect the state of the database at the beginning of processing, and an update log that reflects all updates to the database since the beginning of the preceding processing cycle. In another method, invalidation processing uses the database while it is freely updated during said processing, and the update log of the database.
Owner:NEC CORP

Probabilistic framework for the highly efficient correlation of call chains with hardware events

A system and method for correlation of resources with hardware events includes event driven sampling a call chain of functions at to determine when functions of the call chain are active. The call chain is mapped to execution times based upon a probabilistic integration of the functions such that when portions of the call chain are active, resources associated with call chain activity are correlated with hardware events.
Owner:IBM CORP
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