Abstract: The present invention relates to an optical imaging agent of formula (SIGNAL)n-SUPPORT-(L-BIOVECTOR)m, wherein: SUPPORT represents a physiologically acceptable chemical or biological substrate, with a particle size of between 1 and 100 nm, SIGNAL is a fluorophore, L is a linker of formula —C(X)—R1—Y—, with X being O, NH or S R1 being a (C1-C6)alkyl group, optionally R1 being a (C1-C6)alkyl group, optionally interrupted by 1 to 3 groups selected from —O—, —NH—, —C(O)—, —NHC(O)—, —(O)CNH—, —C(O)NH—N?C—, —N?C—, and (I), Y being NH or a —(O)CNH— group, and BIOVECTOR is a carbohydrate targeting markers of inflammation, advantageously selected from the group consisting of mannose, sialyl LewisX and derivatives thereof, n is greater than or equal to 0.5 and is less than 2, m is between 0 and 30, preferably between 1 and 30, more preferably between 5 and 20, diagnostic compositions comprising same and use thereof as a diagnostic agent (in vivo or ex vivo), or as contrast agent for image-guided surgery.

Abstract: Techniques for minimizing latency and latency jitter in communication transmission systems are provided. In some embodiments, a first communication transmission system in a chain is configured to operate in accordance with a particular signal processing mode. Operating in accordance with the particular signal processing mode causes user data received in a first wireless signal to bypass a first set of one or more processing modules in an upstream receiver and a second set of one or more processing modules in a downstream transmitter. After the user data has bypassed the first and second set of processing modules, a second wireless signal that includes the user data is transmitted to a third communication transmission system in the chain. In other embodiments, the signal processing mode may be adaptively changed based on one or more conditions that are monitored along the chain.

Abstract: A multi-radio device system includes a set of sending radio devices and a set of receiving radio devices. Among the sending radio devices is a load-balancing radio device that receives data packets from an originating network. The load-balancing radio device labels data packets with sequence numbers and distributes the labeled data packets among the sending radio devices based on the relative capacities and statuses of those sending radio devices. The sending radio devices transmit the labeled data packets to the receiving radio devices. The receiving radio devices send the labeled data packets to an aggregating radio device within the set of receiving radio devices. The aggregating radio device uses the sequence numbers to ensure that the data packets are forwarded to a destination network in the correct order, extracting original data packets from the labeled data packets before forwarding the original data packets on toward the destination network.

Abstract: Techniques for minimizing latency and latency jitter in communication transmission systems are provided. In some embodiments, a first communication transmission system in a chain is configured to operate in accordance with a particular signal processing mode. Operating in accordance with the particular signal processing mode causes user data received in a first wireless signal to bypass a first set of one or more processing modules in an upstream receiver and a second set of one or more processing modules in a downstream transmitter. After the user data has bypassed the first and second set of processing modules, a second wireless signal that includes the user data is transmitted to a third communication transmission system in the chain. In other embodiments, the signal processing mode may be adaptively changed based on one or more conditions that are monitored along the chain.

Abstract: A multi-radio device system includes a set of sending radio devices and a set of receiving radio devices. Among the sending radio devices is a load-balancing radio device that receives data packets from an originating network. The load-balancing radio device labels data packets with sequence numbers and distributes the labeled data packets among the sending radio devices based on the relative capacities and statuses of those sending radio devices. The sending radio devices transmit the labeled data packets to the receiving radio devices. The receiving radio devices send the labeled data packets to an aggregating radio device within the set of receiving radio devices. The aggregating radio device uses the sequence numbers to ensure that the data packets are forwarded to a destination network in the correct order, extracting original data packets from the labeled data packets before forwarding the original data packets on toward the destination network.

Abstract: A multi-radio device system includes a set of sending radio devices and a set of receiving radio devices. Among the sending radio devices is a load-balancing radio device that receives data packets from an originating network. The load-balancing radio device labels data packets with sequence numbers and distributes the labeled data packets among the sending radio devices based on the relative capacities and statuses of those sending radio devices. The sending radio devices transmit the labeled data packets to the receiving radio devices. The receiving radio devices send the labeled data packets to an aggregating radio device within the set of receiving radio devices. The aggregating radio device uses the sequence numbers to ensure that the data packets are forwarded to a destination network in the correct order, extracting original data packets from the labeled data packets before forwarding the original data packets on toward the destination network.

Abstract: A content delivering method for computer network and system are provided. The present invention classifies nodes participating in content transmission into a transmitting group and a receiving group, and uses the groups to manage the nodes dynamically entering or quitting, and the management includes grouping, monitoring and reflecting update of CDS of group controlling information. Real time management for nodes is achieved through CDS, and the nodes in the transmitting group communicate information according to nodes recorded in the CDS. Multiple nodes in the transmitting group cooperate with each other in transmitting content. Firstly, transmission tasks are assigned to nodes in the transmitting group, and then, nodes in the transmitting group divide assigned content into many blocks and package them and transmit to nodes in the receiving group, and nodes in the receiving group which have received content packages exchange the content packages in the group according to the control data set.

Abstract: A method and device for making clients rapidly access to the peer-to-peer network comprise that the accessed clients, which are separated into one or more normal state groups; the clients that intend to log in are separated into one or more login groups; and the required contents, the variant of the contents or the content-related information are selectively transmitted to the members of the login groups immediately. After a certain login group becomes stable, the normal state groups which the login groups intend to be added into are selected and each member of the login groups is added into the selected normal state groups. In this invention, there is no need to frequently send notification individually when each client loges in, rather than send group notification, thus it can reduce network dithering, at the same time the user can receive the content or the related variant of the content immediately and watch the playing of the content without any wait when accessing to the network.

Abstract: Radios synchronize their timing mechanisms using a timing signal that those radios propagate from one radio to another. Radios that are close to each other transmit only during times that none of the other nearby radios is trying to receive. In one scheme, a “master” radio initiates communication while another “slave” radio responds in a pre-determined manner. The master generates and propagates an inverted timing signal to the slave, which propagates approximately the same inverted timing signal to other radios in the slave's cluster. Each radio can be in one of three different modes: “source,” “auto,” and “recipient” modes. A “source” radio generates a timing signal independently. A “recipient” radio uses a received timing signal and forwards it to other radios. An “auto” radio behaves as a “recipient” radio while a timing signal is detectable, but behaves as a “source” radio if the timing signal is lost.

Abstract: A multi-radio device system includes a set of sending radio devices and a set of receiving radio devices. Among the sending radio devices is a load-balancing radio device that receives data packets from an originating network. The load-balancing radio device labels data packets with sequence numbers and distributes the labeled data packets among the sending radio devices based on the relative capacities and statuses of those sending radio devices. The sending radio devices transmit the labeled data packets to the receiving radio devices. The receiving radio devices send the labeled data packets to an aggregating radio device within the set of receiving radio devices. The aggregating radio device uses the sequence numbers to ensure that the data packets are forwarded to a destination network in the correct order, extracting original data packets from the labeled data packets before forwarding the original data packets on toward the destination network.

Abstract: This invention relates to a method and device for realizing content flowing continuously on P2P network, which is used for dividing the content to be transmitted into a plurality of blocks; detects connection state of all nodes performing the content transmission, calculates an upload rate coefficient of each node, determines the selected upload rate coefficient according to the upload rate coefficient, and determines a transmission rate of the content stream and the number of the content stream transmitted by a content source, the content source distributes the content blocks being able to be transmitted by each node proportionally according to the selected upload rate coefficient of each node; and transmits the distributed content blocks to the corresponding nodes respectively, and controls the node to re-transmit the received content block to other nodes. The present invention can utilize the resource more reasonably and fully.

Abstract: A method of content transmission in peer-to-peer network includes the following steps: dividing contents to be transmitted into a plurality of stripes in time sequence (101); establishing one or more than one group(s) for clients which request for transmission contents from same stripes (102); a source divides the requested content into a plurality of blocks and marks each content block (104); determining which content block will be transmitted first in an stripe requested by one group; from the determined content block beginning, transmission it and its subsequent content blocks in succession to part or all members in the group respectively (105); and controlling that the member received the content blocks from the source retransmits the content to other members in its own group (106). The invention realizes positioning play in multicast mode for the clients using a P2P technology.

Abstract: A transmission and updating method and the apparatus thereof for consecutive changing data. The method comprising the steps: the server extracts the data set from the consecutive changing data at the predetermined time interval consecutively (101); the server compares the whole set of the latest data set with the whole set of the prior one in the form of symbol to obtain the changing string; vary the changing string to the changing set (102); transmit the changing set to one or more clients (103) so that the clients can update the data set to the latest data set according to the current data set (104).

Abstract: A content delivering method for computer network and system are provided. The present invention classifies nodes participating in content transmission into a transmitting group and a receiving group, and uses the groups to manage the nodes dynamically entering or quitting, and the management includes grouping, monitoring and reflecting update of CDS of group controlling information. Real time management for nodes is achieved through CDS, and the nodes in the transmitting group communicate information according to nodes recorded in the CDS. Multiple nodes in the transmitting group cooperate with each other in transmitting content. Firstly, transmission tasks are assigned to nodes in the transmitting group, and then, nodes in the transmitting group divide assigned content into many blocks and package them and transmit to nodes in the receiving group, and nodes in the receiving group which have received content packages exchange the content packages in the group according to the control data set.

Abstract: A method and system of group-to-group (G2G) computing, a G2G computing service system based on the portal network site, and a G2G search service system based on the G2G computing. The G2G computing is a kind of distributed computing based on the G2G network and carries a task by the group. The network comprised by the groups and related to the relation between the groups is referred to as a G2G network. The group is a collection of nodes with the same attributes. The G2G computing defines 4 basis operations: Transfer, Exchange, Node-process and Transmutation.

Abstract: A method of content transmission in peer-to-peer network includes the following steps: dividing contents to be transmitted into a plurality of stripes in time sequence (101); establishing one or more than one group(s) for clients which request for transmission contents from same stripes (102); a source divides the requested content into a plurality of blocks and marks each content block (104); determining which content block will be transmitted first in an stripe requested by one group; from the determined content block beginning, transmission it and its subsequent content blocks in succession to part or all members in the group respectively (105); and controlling that the member received the content blocks from the source retransmits the content to other members in its own group (106). The invention realizes positioning play in multicast mode for the clients using a P2P technology.

Abstract: This invention discloses a method and device for content transmission on P2P network, including: dividing the content into multiple blocks and mark each of them; dividing nodes participating in content transmission into at least two groups; selecting part or all members from the content-transmitting groups to participate in the distribution of the blocks, in which the nodes respectively transmit the distributed blocks to part or all members of the corresponding content-receiving groups; controlling the members of the content-receiving groups who have received the blocks to transmit the content to other members in the their own group. In this invention, the nodes are divided into groups, the content blocks are actively transmitted between groups, and the members in the same group also can exchange content blocks actively through management of the control dataset, therefore, the node can fully schedule the resources of each node without interrogating the other nodes.

Abstract: This invention relates to a method and device for realizing content flowing continuously on P2P network, which is used for dividing the content to be transmitted into a plurality of blocks; detects connection state of all nodes performing the content transmission, calculates an upload rate coefficient of each node, determines the selected upload rate coefficient according to the upload rate coefficient, and determines a transmission rate of the content stream and the number of the content stream transmitted by a content source, the content source distributes the content blocks being able to be transmitted by each node proportionally according to the selected upload rate coefficient of each node; and transmits the distributed content blocks to the corresponding nodes respectively, and controls the node to re-transmit the received content block to other nodes. The present invention can utilize the resource more reasonably and fully.

Abstract: A method and device for making clients rapidly access to the peer-to-peer network comprise that the accessed clients, which are separated into one or more normal state groups; the clients that intend to log in are separated into one or more login groups; and the required contents, the variant of the contents or the content-related information are selectively transmitted to the members of the login groups immediately. After a certain login group becomes stable, the normal state groups which the login groups intend to be added into are selected and each member of the login groups is added into the selected normal state groups. In this invention, there is no need to frequently send notification individually when each client loges in, rather than send group notification, thus it can reduce network dithering, at the same time the user can receive the content or the related variant of the content immediately and watch the playing of the content without any wait when accessing to the network.

Abstract: A method for transmitting data in blocks includes steps: the source for transmitting data monitors the connection and disconnection request of clients for receiving data continually, establishes a control data set for the clients that request transmitting the same content, and the control data set includes the communication data of clients and the sign indicating the change of the control data set. The source classifies the clients joining the control data set into M groups, there is at least one client in each group and the client number in each group is nearly equal, where M is a natural number larger than or equal to 1. The source transmits the control data set to the clients. The source divides the content requested by the clients into data blocks to the M groups clients. The M groups clients exchange the data blocks each other according to the control data set, and combine the integrated content. The present invention has fast speed, high network utilization ratio and better security.