406 results about "Logical layer" patented technology

A frame format for frame aggregation into a physical-layer packet employs an aggregated frame descriptor appended to one or more sub-frames. Each sub-frame comprises a header comprising logical-layer and sub-frame protocol information, optional verification information to verify the sub-frame data, and aggregated user data. The aggregated frame descriptor includes information identifying the packet as conforming to an aggregated frame format, and sub-frame descriptors identifying at least one of a position, a length, and a data rate of a corresponding sub-frame. The aggregated frame is then formed into a physical layer packet for transmission through a medium.

A system for an access node coupled to a computer to wirelessly communicate with a plurality of disparately located radio nodes each coupled to a meter or other sensor is provided. The radio nodes within the communication range of the access node orient onto a first logical layer to directly communicate with the access node. Additional radio nodes beyond the communication range of the access node indirectly communicate with the access node by detecting communications from radio nodes on lower logical layers that are closer to the access node and selecting a radio node of the detected radio nodes to be a repeater node. The selected repeater node has available memory capacity and a suitable power number to qualify as a repeater, which may periodically change. Sensed data is directly or indirectly communicated to the access node for further communication to a backend system computer.

Advertising is displayed in conjunction with web pages and other HTML-rendered information by splitting a display area into frames, so that requested content appears in one frame and one or more advertisements appear in other frames, respectively. By displaying advertisements in frames that are at the same logical layer as the web pages that induced the advertising, the functionality of the presentation resides in native HTML code, making it much more difficult to block the advertisement. An exchange server provides frame generation data to the HTML-rendering device. The device can directly obtain requested content and associated advertisements from respective domains, or the data can be indirectly provided through the exchange server.

The invention provides an automatic permeability test system for a WEB system, comprising three layers: a GUI presentation layer for alternating interface with a user, a logical layer as runs of control core, executing scanning and confidence program of the system and associative functions, and a data layer for storing and maintaining kinds of scan rules and configuration information in a task execution process. The system can automatically carry out a penetrating scan or a conventional scan to a WEB station based on a WEB scan task in the GUI layer, analyzing the scan result combined with the relative inserters, finds the possible security problems of the WEB station, and then generates a detecting report for reporting a formed aggregate risk list. The invention is used to perform an automatic security test, is capable of replacing the present manual security test and permeability test, greatly reduces the cost of software security test in software develop at present, and also greatly increases accuracy of security test.

A wireless network with tiered centralized control is provided. The wireless network includes a controlling node and a plurality of participant nodes. Each participant node includes an electronically steerable antenna. The plurality of participant nodes report various network information to the controlling node, such as interference and throughput measurements. The controlling node examines the network topology and provides instructions to one or more participant nodes in order to optimize the network. The instructions can include transmit and receive antenna pointing directions, assigned frequency / channel, and the amount of transmit power to use between specific participant nodes. The optimization of the network is performed to deterministically manage the capacity and reliability of the network by managing the multi-hop paths of the network so that no single path becomes congested while other paths within the network remain underutilized and to heal the network by creating new physical layer and logical layer paths around unexpected obstacles, interference, and / or broken nodes.

Services and service components in a broadcast network may be mapped to disparate physical layer transmission channels (PLPs) using logical layer pipes (LLPs). The use of LLPs allows different service components of a single service to be mapped to physical layer transmission channels (PLPs). Accordingly, service components may be shared among different services. Additionally or alternatively, different functions (e.g., different error detection or correction protocols) may be applied to each service components of a service. A receiver may identify services, service components and corresponding PLPs based on LLP identifiers. The receiver may then access and receive desired services and service components through the identified PLPs.

The present disclosure provides dynamic performance monitoring systems and methods for optical networks to ascertain optical network health in a flexible and accurate manner. The present invention introduces accurate estimations for optical channel performance characteristics based either on existing channels or with a dynamic optical probe configured to measure characteristics on unequipped wavelengths. Advantageously, the dynamic performance monitoring systems and methods introduce the ability to determine physical layer viability in addition to logical layer viability.

The present disclosure provides dynamic performance monitoring systems and methods for optical networks to ascertain optical network health in a flexible and accurate manner. The present invention introduces accurate estimations for optical channel performance characteristics based either on existing channels or with a dynamic optical probe configured to measure characteristics on unequipped wavelengths. Advantageously, the dynamic performance monitoring systems and methods introduce the ability to determine physical layer viability in addition to logical layer viability.

This invention discloses a ring network and a method for implementing the service thereof. The ring network includes multiple nodes in a same logic layer for accessing a service to the ring network or receiving a service from the ring network; two virtual channels of reverse directions, which connect the adjacent nodes and are utilized to bear and adapt service data; a physical link, which is utilized to bear the service data adapted to the virtual channel. The method includes the steps of configuring virtual channels at the nodes to form an eastward and westward bidirectional ring network; establishing service Label Switching Path schedules at the nodes; determining a service sink node according to the Label Switching Path schedule at a service source node; dispatching services up to the ring network according to a predetermined algorithm; multiplexing the services of different nodes in a same virtual channel for transmission in the way of Label Switching Path; dispatching the services down the ring network at the service sink node.

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method of querying a database involves receiving an input query from a client device, identifying a logical layer of a plurality of different logical layers of the database for searching based at least in part on the input query, generating a query statement for searching the identified logical layer of the plurality of different logical layers of the database based at least in part on the input query, querying the identified logical layer of the database using the query statement to obtain result data, and providing a search result influenced by the result data.

A receiver chip, system and method for on-chip multi-node visible light communication, the receiver chip comprising: an array of receiver cells comprising an array of photodetectors, each receiver cell comprises at least one photodetector and is to receive light through the at least one photodetector, and a logical layer for independently configuring at least one selected receiver cell as a communication receiving channel. The system comprises an array of receiver cells comprising an array of photodetectors, each receiver cell includes at least one photodetector and is to receive light through the at least one photodetector, a logical layer to independently configure at least one selected receiver cell as a communication receiving channel, and a processor to receive data from the logical layer and control the logical layer for configuration of the receiver cells.

A frame format for frame aggregation into a physical-layer packet employs an aggregated frame descriptor appended to one or more sub-frames. Each sub-frame comprises a header comprising logical-layer and sub-frame protocol information, optional verification information to verify the sub-frame data, and aggregated user data. The aggregated frame descriptor includes information identifying the packet as conforming to an aggregated frame format, and sub-frame descriptors identifying at least one of a position, a length, and a data rate of a corresponding sub-frame. The aggregated frame is then formed into a physical layer packet for transmission through a medium.

Systems and methods for obtaining logical layer information in a frame relay and / or asynchronous transfer mode (ATM) network are described. In an exemplary embodiment, a physical layer test system, such as an integrated testing and analysis system, communicates with a broadband network management system, which in turn communicates with an element management system for a frame relay and / or ATM network.

Apparatus, and an associated method, for controlling RLP logical layer operations of a communication station, such as a mobile station or base transceiver station of a CDMA communication system that provides for both 1xRTT and 1xEV-DV communications. Modifications to existing data service options at the RLP logical layer are provided to facilitate RLP operations.

The embodiment of the invention discloses a user interface component generation method and device. The method comprises the steps that a component library is uploaded, and components in the componentlibrary is called, wherein the component library comprises a search box, a data and time selector, a tree component, a pop-up box, image polygon hot area drawing and the like; when one component is called from the component library, the component is displayed on a display interface, a view layer of the component monitors a page attribute set event requested to be executed by a developer, and the event is fed back to a logical layer of the component, so that data of the logical layer is modified according to the page attribute set event. Due to the fact that document identification of page elements of the view layers of the components and document identification of the data processed by the logical layers are bound, the view layers only need to render the data in the logical layers of the to-be-called components in the view layers of the components according to the document identification, that is to say, custom adjustment on the components can be completed, the operator does not need to operate document object models one by one, operation is easy, and the efficiency is high.

A system for an access node coupled to a computer to wirelessly communicate with a plurality of disparately located radio nodes each coupled to a meter or other sensor is provided. The radio nodes within the communication range of the access node orient onto a first logical layer to directly communicate with the access node. Additional radio nodes beyond the communication range of the access node indirectly communicate with the access node by detecting communications from radio nodes on lower logical layers that are closer to the access node and selecting a radio node of the detected radio nodes to be a repeater node. The selected repeater node has available memory capacity and a suitable power number to qualify as a repeater, which may periodically change. Sensed data is directly or indirectly communicated to the access node for further communication to a backend system computer.

A method, computer readable medium and / or module are provided for testing application logic independent of specific user interface platforms or devices. In the operating environment, an application logic model is provided and is operable with data in a database. A logical layer model is generated having user interface features independent of specific computing devices from data in the database applied to the application logic model. Test data is provided to and data is received from the logical layer model independent (are free from dependencies) of a user interface to test the application logic model. Test scripts can be used to automate the process and provide test data according to a desired sequence or scenario. In another aspect, a recorder is provided to capture data present in or provided to the logical layer model in order to replicate a problem scenario.

Provided is a scalable transmitting / receiving apparatus and method for improving availability of a broadcasting service, which can allow a reception party to select an optimum video according to an attenuation degree of a broadcasting signal by scalably encoding video data and transmitting it by a different transmission scheme for each layer. The scalable transmitting apparatus for improving availability of a broadcasting service includes: a scalable video encoder for scalably encoding video data to generate scalable video elementary streams having logical layers; a multiplexer for multiplexing the multiple scalable video elementary stream, a compressed audio elementary stream, and program specification information to generate a transport stream; and a scalable transmitter for separating the transport stream into multiple TS packet streams according to pre-given priority information, and transmitting the packet streams by a different transmission scheme for each layer. down-sampler

An OCN with independent logical and physical layers for enabling communication among integrated processing elements, including ports, bus gaskets and a physical layer interface. Each bus gasket includes a processor element interface and a port interface. Each processor element interface of at least two bus gaskets operates according to a first logical layer protocol. Each port interface operates according to a consistent port interface protocol by sending transaction requests and receiving acknowledgements and by sending and receiving packet datums via the corresponding port. The physical layer interface transfers packets between the ports and includes an arbiter and an interconnect coupled to each port. Additional bus gaskets may be added that operate according to a second logical layer protocol which may or may not be compatible with the first. Any bus gasket may be added that is configured to communicate using multiple logical layer protocols.

The invention discloses a cross-platform mobile application development framework system based on a general-purpose module and a transfer service, and belongs to the field of the mobile Internet. The framework system is mainly composed of a front-end logical layer, a bottom-layer primary layer and a service transfer layer. The front-end logical layer realizes cross-platform application development through components composed of HTML, CSS and JavaScript, and calls the primary function of a mobile phone in cooperation with an open JavaScript interface of the bottom-layer primary layer. The bottom-layer primary layer is an open JavaScript interface of a front-end component gallery so that the primary function of the mobile phone can be called and a service address can be protected through the service transfer layer. The service transfer layer protects the backstage service address through transfer and distribution and realizes switchover of a test environment and a formal environment through configuration. Compared with the prior art, the development framework system can solve the problems that a developer can not freely carry out extension and the backstage service address and a data source are exposed, and is high in application and popularization value.

A wireless network with tiered centralized control is provided. The wireless network includes a controlling node and a plurality of participant nodes. Each participant node includes an electronically steerable antenna. The plurality of participant nodes report various network information to the controlling node, such as interference and throughput measurements. The controlling node examines the network topology and provides instructions to one or more participant nodes in order to optimize the network. The instructions can include transmit and receive antenna pointing directions, assigned frequency / channel, and the amount of transmit power to use between specific participant nodes. The optimization of the network is performed to deterministically manage the capacity and reliability of the network by managing the multi-hop paths of the network so that no single path becomes congested while other paths within the network remain underutilized and to heal the network by creating new physical layer and logical layer paths around unexpected obstacles, interference, and / or broken nodes.

The invention provides methods for sending and receiving a digital audio signal in a digital audio broadcasting system. Service data are scrambled and subjected to low density parity check (LDPC) coding, constellation mapping and sub-carrier interleaving at a sending end; service description information is scrambled and subjected to convolutional coding, bit interleaving and constellation mapping; system information is subjected to convolutional coding, bit interleaving and constellation mapping; the information and discrete pilots are multiplexed together and mapped to a corresponding spectrum mode to form an orthogonal frequency division multiplexing (OFDM) frequency domain symbol; and conversion of a frequency domain and a time domain is performed, a logic layer frame structure is formed by connection, and a physical layer frame structure is mapped from the logic layer frame structure and framed for transmission. The invention has the advantages that according to the spectrum characteristics of the conventional frequency modulation (FM) frequency range, a flexible spectrum mode is designed, and the conventional analog FM broadcasting signal is not influenced. The invention is expandable in spectrum, flexible in system transmission parameter setting and applicable to single-frequency network and multi-frequency network modes.

The embodiment of the invention discloses a data processing method and device of a block chain network, a cluster node and a storage medium, wherein the data processing method of the block chain network is applied to the cluster node in a block chain system, and the cluster node includes at least two sub-nodes. The data processing method of the block chain network comprises the following steps: performing interaction with other nodes in the block chain system based on a block chain protocol through a logical layer interface of the cluster node; and controlling the sub-nodes of the cluster nodefor distributed processing according to the interactive information. According to the technical scheme disclosed by the embodiment of the invention, the overall hardware capability and working reliability of the cluster node can be improved by means of a plurality of sub-nodes in the cluster node and the distributed processing mode through introducing the cluster-type super-nodes; therefore, theowner of the cluster node are less likely to suffer economic losses.

The invention discloses a low-voltage power line communication network constructing method for a power meter reading system. A constructed low-voltage power line communication network comprises a concentrator, a carrier power meter and a collector; wherein the collector and the carrier power meter are used as terminals for each level; the low-voltage power line communication network construction is completed in three steps: logical layering, communication topology construction and communication routing selection; the logical layering comprises establishing logical layers according to the length of the electrical distance between the terminals in each level, and respectively marking and attributing the collector and the carrier power meter into different levels; and the communication topology construction comprises storing the IP of the two terminals and the electrical distance into the concentrator under the condition that the electrical distance of the two terminals between the upper level and the lower level is less than or equal to L, thereby optimizing the network topology. In addition, the invention adopts a communication routing reconstruction method for the carrier power meter with failure, thereby realizing the timely updating and troubleshooting of the network topology.

The invention discloses a method for realizing the looped network and its service, wherein, said looped network comprises a plurality of nodes in same logical layer for accessing the service into looped network or receiving service from the looped network; each two nearby nodes are connected via two reverse visual channels which is used to carry the adapting service data; and a physical chain circuit for carrying the service data adapted to said visual channel. The realizing method based on said looped network comprises: constructing a LSP dispatching table on every node; attaining service father node on the service source node according to the service LSP dispatching table; dispatching the service to the looped network according to the preset dispatching algorism; reusing the services of different nodes via the LSP method into one visual channel to be transmitted; and dispatching the service out the looped network on the service father node. The invention can supply the telecommunication on the network and improve the bandwidth utilization.

Separation of aspects of automated testing into architectural layers enables automated testing to occur sooner and faster and to provide more comprehensive testing. A physical layer provides an object model over the user interface of an application. A logical layer provides an object model around the functions of an application. A test case executor may execute a test case. A data manager may ensure variability in test data. A behavior manager may determine execution details appropriate for a particular test case. A verification manager may perform the verification processing after the test case has executed.

The invention discloses a method for developing web application. The method comprises the following steps of: receiving basic configuration information input on a visual interface by a user; and reading information needed by a preset basic frame according to the basic configuration information, adding the information into a corresponding position in the preset basic frame and generating service codes for each service module in the web application, wherein the service codes comprise codes of a presentation layer, a logic layer and a persistence layer. In the method, no switching is needed among various tools and the service codes produced by the various tools do not need manually combining so as to improve the overall development efficiency of the web application.

The invention relates to a tree network organic method of control flow in flow media direct-broadcast system. Wherein, it comprises that (1) starting protecting process; (2), detecting the network interface, waiting to receive the request pack from other nodes; (3), judging the type of request pack, to add or leave the node, redirecting the request; (4), based on received jump pack, refreshing the sub node of local node. The invention uses the double-layer topology structure with separated control flow and data flow; the control tree optimizes the network nearby nodes; the mesh logic cover network exchanges data, to supply the demand of P2P online flow media; the control tree uses the node group method based on GUID; based on the position each node, it generates GUID, to organize the nearby nodes in logic layer. The invention can reduce network flux, reduce load and improve the service quality.