202 results about "Protocol design" patented technology

Disclosed herein are therapeutic treatment protocols designed for the treatment of B cell lymphoma. These protocols are based upon therapeutic strategies which include the use of administration of immunologically active mouse/human chimeric anti-CD20 antibodies, radiolabeled anti-CD20 antibodies, and cooperative strategies comprising the use of chimeric anti-CD20 antibodies and radiolabeled anti-CD20 antibodies.

The present invention is related to databases and the exchange of scientific information. Specifically the invention discloses a laboratory data management system including a knowledge base that stores characteristics of laboratory reagents, experiment subjects, tissues and cells. The invention also includes an experiment input module that accepts input of parameters of an experiment and data from a knowledge base module. Further, the invention includes a protocol creator connected to the knowledge base module and the experiment input module that creates a laboratory protocol for an experiment based on data supplied from the knowledge base module and the experiment input module. The invention also includes methods to use the described system.

A multi-dimensional blockchain protocol designed to self-fork into multiple chains, scale infinitely, achieve zero cost transactions, sub-second finality and open new markets for sharders, blobbers, developers, and content publishers, while managing a low inflation rate.

Methods, systems, and apparatus provide efficient and flexible networking quality of service as well as transport protocol design. A hybrid transport/network quality of service (HNTQ) scheme improves the performance of TCP over specific links or network paths that are subject to high latency, a high bandwidth-delay product, high packet loss, and/or bit errors. A callback mechanism can be used between a packet scheduler and a transport module to control the transmission rate of packets across one or more connections or links.

The present application is a protocol for maintaining cache coherency in a CMP. The CMP design contains multiple processor cores with each core having it own private cache. In addition, the CMP has a single on-ship shared cache. The processor cores and the shared cache may be connected together with a synchronous, unbuffered bidirectional ring interconnect. In the present protocol, a single INVALIDATEANDACKNOWLEDGE message is sent on the ring to invalidate a particular core and acknowledge a particular core.

The invention discloses a method for data distribution in a LTE-A system, which comprises that: an RLC layers of network nodes receive a plurality of RLC SDUs transmitted by PDCP layers, wherein the RLC SDUs comprise communication data of at least one communication opposite terminal; and the RLC layers distribute the plurality of received RLC SDUs to carriers according to preset scheduling policies and transmit plurality of distributed RLC SDUs to the communication opposite terminals through protocol layers below the layer. Thus, compared with the LTE system, the LTE-A system has the advantages of avoiding the change of the protocol design and equipment of the protocol layers below the RLC layers of the network nodes and consequently saving research and development cost to a great extent. In addition, the invention also discloses a communication device and the LTE-A system.

The invention discloses a jamming perception self-adaption blending MAC protocol which is suitable for a wireless sensor network and belongs to the field of computer networking technology. In the low loading network situation, a node runs the CSMAMAC protocol at the normal working condition; when the network has burst data or detects the jamming nearby the node of a bottleneck, a TDMA mechanism is embedded in the jamming area in a self-adaption way; the node of the jamming area runs the local TDMAMA protocol; and after the jamming releases, the node recovers the normal working condition and runs the CSMAMAC protocol. The invention detects the jamming according to the local information and does not need any synchronization algorithm; according to the jamming degree, the local TDMA is embedded in the CSMA network in a self-adaption way so that performance indexes such as the throughout capacity, packet loss rate and time delay and the like are improved and the performance of the network is increased.

The invention relates to a multi-factor decision making route protocol based on connectivity in VANET, wherein the route protocol combines city VANET features with route protocol designing problems, and is suitable for the city scenes; each vehicle node in the multi-factor decision making route protocol is provided with a navigation positioning system and electronic map equipment, thus periodically obtaining self information, and obtaining RSU positions and a road topology structure in the same time; when the vehicle node in the network needs to send a data package to a target node, the target node real time information can be obtained through a position service feedback system, and added into a data package header. The multi-factor decision making route protocol can use the vehicle node and deployed roadside RSU information interaction and various types of V2R message statistics to obtain the vehicle distribution conditions on the road, thus calculating the road density, and using a principle ensuring the connectivity and short path priority to select the optimal path connecting the source node with the target node.

The invention relates to a method for establishing a control channel of a hierarchical spectrum sharing network. In the hierarchical spectrum sharing network, the number of high priority users is N, the number of hierarchical spectrum sharing users is H, and a frequency band F capable of being supported by a radio-frequency head can be averagely divided into M sub-channels. The method is characterized by comprising the following steps: S1, sorting the M sub-channels by calculating a perceptible high priority user channel weight by the hierarchical spectrum sharing users; S2, establishing the hierarchical spectrum sharing users accessing the same channel into the same cluster, and taking the channel as a local control channel of the cluster; and S3, managing multiple functions of different time slots of the clustered hierarchical spectrum sharing users through MAC protocol design. The method has the advantages that: the local control channel is established in the hierarchical spectrum sharing network through the steps for signal interaction of the hierarchical spectrum sharing users so as to effectively solve the problem that a public control channel does not exist in cognitive radio.

A Hybrid Cross-Layer Routing (HCLR) protocol designed and implemented based on the premise of being able to leverage a pair of proactive and reactive routing schemes in Mobile Ad Hoc Networks (MANETs) which is used to compensate against wireless link effects thereby allowing for making more intelligent routing decisions. Compared to standalone proactive or reactive routing protocols, HCLR provides a two-tier improvement logic by performing local on-demand search in an n-hop neighborhood utilizing a 2-tuple cross-layer routing metric. HCLR is implemented in a Linux Quagga suite and its performance improvements compared to OSPF MANET Designated Routing (MDR) through emulation studies is demonstrated.

A system and method for providing a low-latency reliable multicast protocol designed for time-critical clustered applications. Internet Protocol (IP) multicast is used to transmit data and recovers from packet loss in end-hosts using a repair mechanism involving the exchange of XOR repairs between receivers and across groups. The system and method of the present invention can be embodied in a scalable, reliable and fast multicast primitive that can be layered under high-level abstractions such as publish-subscribe, group communication and replicated service/object infrastructures.

The invention provides a complete distributed protocol test system and a distributed protocol test method and aims to solve the difficult problems of low coordination of multi-node test, inconvenience for centralized control, disorder in data organization and management, low automatic test efficiency and the like in the conventional protocol test process. By the invention, four functions of a query class, an execution class, a file operation class and an analysis class are realized. In order to realize the functions and solve the technical problems, the invention adopts the technical scheme that: the method comprises the steps of frame design, transmission design, protocol design, command design, safety design and rule design; a server/client mode is adopted, a control node is a client, and a test node is a server; the control node serves as a test logic and test manager, performs actual allocation on specific tasks and distributes the actual tasks according to the logic and requirements; and the test node finishes corresponding operation and responds to a main control end.

The invention belongs to the field of computer network communication and particularly relates to a network intermediate node cache optimization method based on flow characteristic analysis. The method includes when the flow passes the intermediate node, firstly classifying the flow, and then according to the type of the flow, determining how to process the flow in divided buffer area space of the type according to the cache condition of the area and combining a least recently used (LRU) algorithm. The system can update flow classification models and redistribute buffer space to different new classifications regularly. The method mainly focuses on solving the transparency problem of a network intermediate node cache strategy, namely, algorithm design of the network intermediate node cache is guaranteed to be unrelated to a specific user layer protocol design, and the efficiency of the strategy which satisfies the programming transparency is managed to be optimal.

The invention discloses an air-space-ground integrated network system architecture based on a near space platform and a design method, and belongs to the technical field of wireless communication, andthe design method comprises the following steps: S1, introducing a near space platform aircraft; S2, formulating a communication link frequency band planning scheme; S3, simplifying protocol design.When communication link selection is carried out, the communication link selection is carried out based on the principle of minimizing propagation time delay and routing hops according to the geographical location relationship and the service type of two users carrying out communication. According to the invention, the near space platform aircraft is introduced into the network system architecture; a satellite network and a ground network are fused; global coverage is realized; the communication service quality of a non-ground network coverage area is effectively improved, extremely high robustness is achieved, the rerouting rate, the switching rate, the system delay overhead, the system access capacity and the like can be remarkably improved by designing a simplified protocol process, a frequency band planning scheme and a link selection scheme, and the method is worthy of application and popularization.

The invention discloses a distributed media access control protocol, in particular to a proxy polling mixed access protocol for increasing the capacity of a wireless local area network. The invention designs an access strategy based on polling to avoid channel conflicts, namely, according to a partial schedule strategy designed by the protocol, the existing transmission traffic flow substitutes an AP to select next transmission traffic flow, which leads the traffic flow in a network to be transmitted in sequence in a relay way. Meanwhile, the protocol adopts an access strategy based on competition as supplement to solve problems arising when a polling decision is wrong. The partial schedule strategy of the invention provides a service differentiating system based on conditions, which promotes the fairness of services with low priority when network load is relatively low. On the basis of a strategy for forecasting queue information, the partial schedule strategy further adopts a periodic polling strategy as supplement to modify wrong polling decisions on time, so as to adapt to service arrival models. The protocol remarkably increases the capacity of networks and has good performance.

The invention provides a method of establishing long connection of a client and a server and an apparatus thereof. The method comprises the following steps of acquiring a secret key, a connection ID and a connection server address from a secret key server; according to the connection server address, sending a connection request to a connection server, wherein the connection request carries the connection ID so that the connection server acquires a secret key corresponding to the connection ID from a secret key server; carrying out mutual decryption verification with the connection server through the secret key, and after the decryption verification is passed, establishing connection with the connection server; through a preset time period, sending a heartbeat message to the connection server. In the invention, a communication protocol designed autonomously is used; long connection between the client and the server is established; simultaneously, encryption processing is performed on data transmitted by a user and safety is high.

A method for deploying and evaluating a network system includes providing an electronic two- or three-dimensional representation of a layout of a building, placing a plurality of nodes of the network system in the building, and communicatively coupling the nodes together to form the network system. The nodes are inspected dependent upon a regulatory requirement and/or the representation of the layout of the building. The network is evaluated dependent upon data collected during the inspecting and dependent upon a network protocol design and/or an interference model. The inspecting of the nodes and the evaluating of the network are performed automatically by use of at least one electronic processor.

A remote implementation method based on a traditional industrial inkjet printer local control system comprises the following steps of a local control equipment hardware remote step including reconstituting hardware structures of far-end control systems of an upper computer and a lower computer; a remote communication protocol design step including adding a communication channel protocol stack module; a packing protocol and unpacking protocol design step of transmission data, which includes adding a transmitting and receiving protocol stack module; a far-end packing information sending and receiving program design step which includes completing an I/O module of control data and display data. The remote implementation method based on the traditional industrial inkjet printer control system achieves remote operation of the industrial inkjet printer, effectively protects a site operator to stay away from an operation site harmful to a human body; meanwhile, the remote implementation method is based on the traditional industrial inkjet printer local control system, is low in costs and easy to implement; a completed remote control system accords with an original local control system mode and method, retraining on site operators is not needed, centralized control is facilitated, and human cost is further reduced.

The present disclosure proposes a method for minor modifications to the Distributed Coordination Function (DCF) channel access mechanism in order to enable a greater number of concurrent communications in a unit area in compliance with the current protocol design. The method comprises equipping nodes with wider neighborhood information than what is obtained with IEEE 802.11, and with a device calibration that equips the device with the knowledge of its performance in the presence of interference. The present disclosure medium access mechanism increases the aggregate throughput with every additional concurrent communication that is enabled in the shared medium. Cocktail Party-capable devices can fairly coexist with 802.11 legacy DCF devices, and co-operate with these devices in the same network without changes to those devices or to the standard. The same or similar mechanisms can be applied to other systems and standards in order to enable concurrent communications in the same contention area.

The invention discloses an error code testing system based on an FPGA (Field Programmable Gate Array), which comprises a code element sequence synchronization module, an error code counter, a user code generation module and a PRBS (Pseudo Random Binary Sequence) module, wherein the code element sequence synchronization module is used for realizing the synchronization of a receiving code element and a local code element; the error code counter is used for counting number of code element errors in same time period; the user code generation module is used for generating a custom code; and the PRBS module is used for generating a PRBS code element. The error code testing system disclosed by the invention improves the principles of the traditional circuit, apparatus and communication protocol design by applying integration and flexibility of the FPGA, and can be applied to a production line and research and development to be used as a main control chip of an error code testing apparatus.

The invention discloses a multi-path coordinative communication method for an underwater sound sensor network, belongs to the technical field of underwater sound communication, and aims at solving the problem that unstable point-to-point underwater sound communication in the underwater sound sensor network leads to increase network delay and even paralysis. The method is that different signals are transferred to the same collecting node through different relay nodes to obtain space diversity gain provided by different channels for receiving and decoding, and therefore, the reliability of underwater sound communication under the network environment can be improved. According to the method, the underwater sound physical communication technology and the route technology are combined by the cross-layer type protocol design method according to the application feature of the underwater sound sensor network, and meanwhile, the optimal selection of the reliable underwater sound communication and the relay node can be achieved, and therefore, the network protocol efficiency can be obviously increased.

The invention discloses a clustering sensor network protocol design proposal on the basis of the CDMA and the TDMA DTSA. The proposal clusters the sensor network nodes according to certain strategy and distributes one orthogonal OVSF for each cluster to realize the concurrence of a plurality of clusters. The node in the cluster divides a plurality of time slots according to the service conditions. The dynamic time slot subscription strategy is adopted to distribute the time slots, thereby realize that a plurality of nodes work at the same time. Therefore, the frequency spectrum efficiency and the energy efficiency of the system are raised and the limits on the frequency band resource and the energy resource are released.