467 results about "Wireless network coding" patented technology

In one illustrative example, a mobile communication device has a plurality of software applications including an Internet browser application, an electronic mail (e-mail) communication application, and an audio or video player application. The mobile device is adapted to receive, from wireless communication networks or through use thereof, available quality of service data for the wireless networks and store the corresponding data in association with each network identification. The available quality of service data includes at least a bandwidth criterion and a delay criterion associated with each wireless network. For each one of the software applications, the mobile device is adapted to execute the software application; identify, based on the stored quality of service data, one or more wireless networks having a bandwidth criterion and a delay criterion that best match a bandwidth requirement and a delay requirement, respectively, of the executed software application; and select, based on the identifying, an available wireless network for communication using the executed software application.

Currently, network utilization and performance are diminished due to capacity issues, which may be resolved by adding hardware / software to spread traffic uniformly according to network element usage information. Disclosed is a method of and corresponding apparatus for resolving network element capacity issues in a wireless network by inspecting data traffic content for information about wireless network elements and data traffic content, collecting said information, and managing (e.g., shaping and steering) the incoming traffic based on the information. Examples of said information include radio bearer resource information for network elements and traffic associated with a wireless access portion of the wireless network and radio access bearer information for network elements and traffic associated with a backhaul portion of the wireless network. By employing embodiments of the invention, network utilization and performance may be increased using existing wireless network elements in a manner overlaid on existing network optimization techniques (e.g., load balancing).

A method and system for configuring a wireless network, e.g., an ad hoc wireless network having a plurality of nodes and at least one server. In the wireless network, among other things, mesh network viability is maintained as packet loss information is recorded at a plurality of individual nodes in the wireless network during packet transmission from each of the plurality of nodes. The packet loss information may be stored at the at least one server for access at a period of time other than the moment when the packet is received at the at least one server from one of the plurality of nodes.

Systems and methods for wireless network selection based on attributes stored in a network database are disclosed. In some embodiments, a method comprises receiving a network identifier associated with a wireless network, determining if a network profile associated with the network identifier is stored within a network profile database comprising a plurality of network profiles, and if the network profile associated with the network identifier is stored within the network profile database, retrieving the network profile, or if the network profile associated with the network identifier is not stored within the network profile database, initiating the network profile, obtaining an attribute associated with the network device identifier, and storing the attribute within the network profile.

A wireless receiver device including a wireless network interface and a processor configured to manage reception of data files through the network interface. The processor additionally is configured to determine network or wireless receiver device conditions and to delay reception of blocks of a file, responsive to the determined conditions meeting specific requirements, although the determined conditions allow reception of a block without the delay.

A method and system to facilitate dynamic service negotiation with a uniform and persistent security control plane in a wireless network. In one embodiment of the invention, a node in the wireless network determines each capability provided by each of one or more virtual nodes that it supports and transmits a frame that has information of each capability provided by each of the one or more virtual nodes. By combining all the information of each capability provided by each of the one or more virtual nodes into one frame, the node reduces the volume of management traffic required and increases the available usable channel bandwidth in one embodiment of the invention.

A wireless network includes a plurality of proxy servers located at various locations to selectively transform data based upon network conditions, such as link congestion. A queueing model for the network can be used to determine optimal operating parameters for the network.

In embodiments of the present disclosure improved capabilities are described for increasing the bandwidth in a large area broadband LTE wireless network, where regional optimization servers are incorporated near the wireless network in association with the public data network gateway, thus reducing the time-latency for applications being run from a mobile cellular device. Further, by associating additional optimization servers at base stations, application functionality may be optionally transferred from the regional optimization server to the local base station optimization server in instances where a number of mobile cellular devices are requesting the same data via their access through the same cell, and in other instances, to the effect that back haul network bandwidth utilization is reduced or eliminated.

A first wireless device operating in a wireless network generates a frame and transmits the frame to a second wireless device operating in the wireless network. Generating the frame includes inserting, into a Quality of Service (QoS) field of the frame or into a High Throughput (HT) Control field of the frame, buffer status information for one or more traffic identifiers (TIDs). Generating the frame may also include inserting, into the QoS or HT Control field, an indication whether the buffer status information represents all TIDs active between the first and second wireless device. A first wireless device operating in a wireless network receives a frame from a second wireless device operating in the wireless network, and decodes the frame. Decoding the frame includes determining, using a QoS field of the frame or using a HT Control field of the frame, buffer status information for multiple TIDs.

A wireless feeder network comprises feeder base stations coupled to the communications network and feeder terminals coupled to associated access base stations of the access network. A group of wireless network components form elements of a feeder cluster and the elements of the feeder cluster are connected by an additional communications resource configured to be operated in parallel with the wireless resource of the wireless feeder network. Both a primary and secondary element of the feeder cluster seek to decode at least one resource block allocated to the primary element for reception of data. Information derived from the secondary decoded data is transmitted from the secondary element to the primary element via the additional communications resource. The primary element then performs a revised decoding process additionally using the information received from said secondary element to improve its own decode probability.

Optimizing a plurality cell sites or sectors in a wireless network includes calculating modifications to a plurality of network parameters for optimizing wireless network performance; evaluating the modification groups to determine conflicts between modifications for a same network parameter; and eliminating the conflicts between modifications for the same network parameter within the modification groups. The modification groups are used to alter at least one network parameter of the critical cell sites or sectors, or of a best neighbor cells sites or sectors for achieving a desired improvement in communications within the wireless network. Optimization is further enhanced by determining the best previous modifications to the wireless network when performance continues to be degraded. Altering wireless network parameters of the critical cell sites or sectors, or the best neighbor cell sites or sectors is performed continuously using the stored modification groups until the desired improvement in communications in the wireless network is achieved.

The invention discloses a method and device for detecting the access right of a wireless network and a router. The method for detecting the access right of the wireless network comprises the steps that hardware information of a device having access to the wireless network is obtained; whether a matching item exists in a preset OUI list is judged through searching according to the hardware information of the device; the identification information, corresponding to the matching item, of the device is obtained if the matching item exists in the preset OUI list; the identification information of the device is presented; operation information allowing the device to have access to the wireless network or preventing the device from having access to the wireless network is received, and the device is allowed to have access to the wireless network or is prevented from having access to the network according to the operation information. The method and device for detecting the access right of the wireless network and the router are used for preventing data from being leaked, protecting personal information of users and improving the safety performance of the wireless network.

Provided are a wireless network system and a method of transmitting / receiving data in the wireless network system, which separately set a period where a packet for requesting and approving bandwidth allocation of a network in a super frame period is transmitted / received, and as a result, transmit / receive data through the allocated bandwidth. Also provided is a wireless network coordinator, which includes an MAC unit which generates a beacon frame for organizing a super frame including at least one or more channel time blocks, and bandwidth management unit which sets a specific channel time block among the channel time blocks as a period where a bandwidth allocation packet in the network is transmitted / received, and a physical unit which transmits the beacon frame including information on the setting by the bandwidth management unit through a designated communication channel.

A system and method for of maintaining privacy in a wireless network is provided. A wireless communication device may transmit, to a broadcast address, a plurality of messages using a respective plurality of source identifiers. A response to at least one of the plurality of messages may be received. A predefined source identifier is used to establish a link. Other embodiments are described and claimed.

The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for network management through a hierarchical architecture with a control functionality of a network server (e.g., C-SON) in relationship to clusters comprising eNBs (access points), and for implementing coordinated multi-point (CoMP) transmission and reception in conjunction with inter-cell interference coordination (ICIC) in wireless networks such as LTE wireless networks. In particular, embodiments of the invention describe control and coordination mechanisms among the network elements for different network architectures and use-case scenarios. Such mechanisms may be managed by a centralized self-organizing network controller such as C-SON and hierarchically via localized controllers (such as cluster coordinators) residing in macro eNBs depending on system architectural constraints and network state. A fault-tolerant mechanism then may be defined to recover from failure of controlling sub-elements so that the network remains stable at all times.

For reducing and homogenizing an end-to-end delay of data packet transmissions in a large-scale wireless mesh network, a device, a system and a method are provided for controlling data packet transmission in the wireless network, wherein transmission parameters of an intermediate node are adjusted based on a distance between the intermediate node and a sender node.

The invention discloses a terminal connected with a plurality of wireless networks simultaneously and a switching method for the terminal. The method comprises the steps of polling two or more networks which are connected simultaneously, and sending network conditions to a parameter calculation module; analyzing data transmitted through all working modules and transmitting analysis results to a network management module; determining whether switching is needed according to the analysis results fed back by the parameter calculation module; performing corresponding switching according to determination results. By means of the terminal and the switching method, appropriate access networks bear appropriate users and services, the reasonable utilization of the network resources is guaranteed, all types of the networks can coordinate and cooperate, and appropriate access networks are selected for users automatically.

A data communication method and system for a mobile communication network includes an improved medium access control mechanism for improving QoS and power efficiency of network components while maintaining channelization effects. A data communication method for a wireless communication network includes a coordinator and at least one network node according to the present invention includes the steps of broadcasting, at the coordinator, a beacon frame for informing the at least one network node of a duration of a superframe; transmitting a Guaranteed Time Slot (GTS) from the coordinator to the at least one network node for allocating timeslots; and transmitting a data frame from the coordinator to the at least one wireless network through the timeslots allocated to the at least one wireless network node.

Techniques for annotating data packets with time and / or location information in wireless networks are provided. In one aspect, a method for processing information streams produced by end-computing devices that are transmitted over a wireless network having at least one network element is provided. The method includes the following steps. Data packets which originate from the end-computing devices and are received by the network element are inspected for spatiotemporal metadata. Spatiotemporal metadata is inserted into the data packets and the data packets are transmitted if the step of inspecting the data packets reveals that the data packets are missing spatiotemporal metadata. Otherwise the data packets are transmitted if the step of inspecting the data packets reveals that spatiotemporal metadata is already present in the data packets.

The invention discloses a selection system and a selection method of wireless network access point. The selection system comprises user equipment and a central server, wherein the user equipment is used for transmitting the user equipment information and the information of the accessible wireless network access point to the central server for querying, then, receiving the querying result of the central server, selecting the access point with optimal network connection data as a linkage target from the querying result, and sequentially building linkage; the central server is used for receiving the user equipment information and the information of the accessible wireless network access point, and for each accessible wireless network access point, searching the historic record data matched with the receiving signal strength indication and the application program transmission type of the corresponding wireless network access point in a historic usage database of the central server, using the historic record data and the searching result, and returning back the searching result to the user equipment. The system and the method can be used for realizing low-overhead and low-delay selection of the wireless network access point.

The invention discloses a clock drift processing method. The SMF network element can obtain the drift amplitude value of the clock domain of the data network relative to the clock domain of the wireless network. Then, the drift amplitude value is sent to a UPF network element; the UPF network element sends a notification message to the SMF network element only when detecting that the drift maximumvalue is greater than the drift amplitude value; in this way, the process that the SMF network element initiates PDU session modification is triggered, the updated TSCAI is sent to the RAN device, and therefore when precise time control over the data flow of the clock domain of the data network is achieved, signaling expenditure can be saved.

A method to setup Quality of Service (QoS) parameters over a wireless network and over a wired network is described herein. A request to setup the QoS parameters may be initiated by a wireless device. The method includes the steps of receiving a first message from the wireless device that includes a first set of QoS parameters requested by the wireless device and determining a second set of QoS parameters for transmission over a wired network corresponding to the first set of QoS parameters. The method further includes the steps of transmitting a second message to a wired device including the second set of QoS parameters and receiving a response to the second message from the wired device that indicates whether the second set of QoS parameters was accepted by the wired device. The method also includes transmitting a response to the first message, based on the response to the second message, to the wireless device indicating whether the first set of QoS parameters are acceptable. A similar method is provided to setup QoS parameters over the wireless network when the initial request is received over the wired network.

The invention discloses a switching method, a system and a wireless network card for vehicle-mounted communication. The method comprises the following steps that: a physical wireless network card is changed into a virtual wireless network card which communicates with two access points (APs) through two statistic timing analyzer (STA) ports in a time division multiplex manner, so the switching between one physical wireless network card and two APs is realized. In the embodiment scheme of the invention, additional hardware equipment is not required, and a generated switching time delay is not a physical time delay but only a time delay related with the processing ability of the wireless network card, so the generated time delay is very short and data dropout and communication interrupt are avoided.

In one embodiment, a method of sending data from a first node participating in a session of a collaborative application via a wireless network to a plurality of second nodes participating in the session of the collaborative application via a wired network includes generating a plurality of data streams corresponding to the plurality of second nodes at the first node, reducing the plurality of data streams to a single stream from among the plurality of data streams, and sending the single data stream to a collaboration agent associated with the first node and connected to the wired network. In another embodiment instances of the collaborative application are run at both the first node and the collaboration agent. In yet another embodiment, an instance of the collaborative application is run only at the collaboration agent which is connected to the first node via a bi-directional windows sharing link.

The invention relates to a wireless router with internal and external network separation architecture and a method for sharing a wireless network based on the same. The wireless router comprises a wide area network (WAN) interface module, a wired Ethernet module, a wireless internal network module, a wireless external network module, a bandwidth allocation controller and an access authentication controller, wherein the bandwidth allocation controller is connected with the WAN interface module, the wired Ethernet module and the wireless internal network module respectively; the wireless external network module is connected with the bandwidth allocation controller via the access authentication controller; the bandwidth allocation controller is used for allocating the network bandwidth among the wired Ethernet module, the wireless internal network module and the wireless external network module; and the access authentication controller is controlled by a whole network access authentication center arranged on the internet. According to the scheme, the bandwidth allocation and control mechanism is made clear; the broadband owner can configure the network bandwidth reasonably; and the internal network bandwidth is completely used by the broadband owner, and the external network bandwidth is provided for external network users, thus completing the sharing of wireless network bandwidth resources.

A communication system that allows communication devices to synchronize the transfer of data to allow the devices to wirelessly and efficiently communicate in a star or mesh network. The communication system operates in the presence of other communication systems noise sources using a spread spectrum frequency hopping transmission scheme to efficiently generate adaptive frequency hopping patterns that are unique to the members of the wireless network based on a network identification code. The communication system employs a predictive retrieval of data for transmission from one device storing the data to a requesting device. A communication device transfers communication from a first network to a second network when the device has been moved beyond the range of the first network, where the second network is in communication with at least one other member device of the first network.

Under one aspect, a system for transmitting an IP-based message from an initiator to a receiver lacking an IP address via a packet-switched (PS) network capable of communicating IP-based messages and a circuit-switched (CS) network capable of communicating non-IP-based messages, includes: a serving node in communication with the PS network and the CS network, the serving node including logic to: receive the IP-based message from the initiator over the PS network; generate a trigger message responsive to the IP-based message, the trigger message including a non-IP-based message including instructions for the receiver to initiate a connection to the PS network; and transmit the trigger message to the receiver via the CS network, and the receiver including logic to initiate a connection to the PS network and to receive the IP-based message responsive to the trigger message. Methods are also disclosed.

The invention discloses a site sensing communication method of an ad hoc wireless network, which comprises the following steps that: 1) all mobile and fixed entities in the communication process are equipped with wireless terminals and set as an ad hoc mode, and directly communicate in a point-to-point peer mode without needing a base station or center to transfer; 2) when the entity terminals encounter, the identity is recognized through neighbor discovery, and if the restriction stipulated by the route is met, mutual communication is triggered; otherwise, the entity terminals can delay the transfer and cache the held information until the restriction is met or time is up to discard the information; and 3) a node of each entity terminal can issue the public information thereof or the place thereof; and when the entity terminals encounter, data information interaction is performed according to the communication process so as to realize mutual sensing and recognition of the entities on the site. The method disclosed by the invention has a small code space, a high information transfer submission rate and high expandability and invulnerability, realizes point-to-point direct sensing communication, can obtain the site information around the actual environment of each terminal, and can be applied to the induction of traffic information.