290results about How to "Guaranteed QoS" patented technology

The invention relates to a resource management method suitable for a multilayer satellite system. The resource management method adopts the following design principle that high altitude satellites are used as reserved resources and are specially used for distributing resources for users with high priorities and high QOS (Quality of Service) requirements and distributing the resources for the user as required in a real-time manner; and meanwhile, low earth orbit satellites are combined and are used as ground network supplements, the characteristics of high-speed motion and the like of the low earth orbit satellites are considered and a method for dynamically distributing the resources for users with low priorities by using efficiency, cost and user publicity as evaluation indexes is designed. According to the design, the characteristics of the high altitude satellites and the low earth orbit satellites are combined; the priorities of the users are considered; the resources are distributed for the users with high priorities as required; a multi-target evaluation function is designed for the users with low priorities; and the multi-target evaluation function is nondimensionalized, so that in the resource management process, the evaluation indexes of other targets are not ignored due to an excessive function value of a certain index, and thus, a multi-target optimization method which has the advantages of short time delay, high bandwidth utilization rate and balanced resource distribution is integrally implemented.

The embodiment of the invention provides a data transmission method and device and a communication system, and relates to the field of communications. The data transmission method and device and the communication system can guarantee QoS and improve system resource utilization ratio. The method includes the steps that a configuration request message is sent to an access node by a macro base station, wherein the configuration request message includes bearer configuration parameters carrying wireless RB identification; a configuration success message from the access node is received by the macro base station, wherein the configuration success message at least carries configuration messages of physical layer parameters configured for user equipment by the access node; a reconfiguration message is sent to the user equipment by the macro base station, wherein the reconfiguration message at least includes the step of reconfiguring the RB identification transmitted on the access node and/or logical channel identification transmitted on the access node and the physical layer parameter configuration messages of the access node so that the user equipment can send signals and/or service data to the access node according to reconfigured RB identification transmitted to the access node and/or reconfigured logic channel identification transmitted to the access node after physical layer configuration is accomplished by the user equipment according to the physical layer parameter configuration messages.

The invention relates to a resource allocation method based on D2D clustering, and belongs to the technical field of mobile communication.The method mainly comprises the steps of 1, UE measurement and reporting, 2, building of interference figure and clustering based on figure coloring, 3, resource allocation and 4, relay transmit scheme.Relay transmit is carried out on D2D pairs through the resource cost spent for transmit.According to the resource allocation method, on the premise of ensuring Qos of each honeycomb user D2D pair, D2D pair interference is considered, clustering is performed based on figure coloring, multiple D2D links are allowed to reuse the RB of the same honeycomb user, D2D is used as a relay node for transmitting data, and therefore user satisfaction and honeycomb system spectrum efficiency are improved.

The key idea is: using the gateway to convert the address of media server corresponding to phone number dialed by user terminal, and the dialing information of user is correlated with the address information of media gateway such that user can use the supervision service simply using number's dialing. The method provides multi approaches for supervising the media stream transmission from the media gateway to user's terminal, which comprises: the media gateway relays the media stream from CS domain; the media gate relays the media stream from PS domain; users get the media stream directly from the PS domain. The also provides relevant gateway and supervision system.

The invention relates to a wireless communication technique, in particular relates to a method for selecting the wireless heterogeneous network access. The invention aims at solving the problem that the conventional method for selecting the heterogeneous network access can not favorably meet the QoS (Quality of Service) requirement of users for different services. The main points of the technical scheme are as follows: selecting a judgment factor in the network parameter; constructing a network access selection judging function; calculating the weight value of the judgment factor in various types of services; when a service reaches, substituting the normalized network parameter value into the network access selection judging function based on the weight value of the judgment factor in the service to calculate the cost of the alternative network; and selecting the alternative network with the least cost for access. According to the invention, users can be accessed to the optimum network by utilizing the performance advantage of the heterogeneous network in case that the heterogeneous network is overlapped.

The invention discloses a transmitting method of upward control report in the Jupiter passive optical network system, which is characterized by the following: the optical network terminal (ONT) transmits the business flow of the user to the optical line terminal (OLT), which classifies the business flow on the ONT; the control report and data report is punched by GEM Port-Ids to be transported separately, which have high precedence of the control report to process in the transmitting course. The invention makes the control report transported timely, which ensures the service quality of control report.

The invention discloses an inter-cell interference coordination method and a device for implementing the same. The method comprises the following steps of: partitioning each cell into a central area, a transition area and an edge area according to the channel quality parameter of a terminal in the cell; distributing a frequency resource to the terminal which is currently permitted to adopt multiple input multiple output (MIMO) technology in the transition area of the cell on a transmission band; and transmitting data through the MIMO technology by using the distributed frequency resource. Theinvention also provides a device for realizing inter-cell interference coordination. A base station comprises a parameter acquisition module, a partition module, a first resource distribution module and a data transmission module. Due to the adoption of the method and the device of the invention, the frequency spectrum utilization ratio of a long term evolution (LTE) system can be enhanced.

The embodiment of the invention discloses a method and equipment for adjusting mobility parameters. The method comprises the following steps that: a source base station evaluates parameters according to the mobility parameters and configuration parameters of a target base station to acquire parameter adjustment suggestion information, and sends the parameter adjustment suggestion information to the target base station; and the source base station sends a parameter updating notice to the target base station and adjusts the mobility parameters after confirmation information from the target base station is received. By the embodiment of the invention, the success rate of parameter consultation and the convergence of load balancing can be improved.

The invention relates to a software defined network route selection method belonging to the communication network technical field. The method aims at the defect of the existing SDN route selection algorithm; resources transmitted and stored by a physical switch are divided by using an NFV (Network Functions Virtualization) technique; multiple virtual switches are constructed; a QoS demand oriented service support is realized; a route corresponding to the optimum transmission performance is optimized and determined through evaluating the service feature of a source node, the transmission feature of every candidate route and the transmission performances of the source node data passing through every candidate route; therefore user QoS is effectively ensured; and the network performance is optimized.

The invention relates to a conflict-free, on-demand multiple access method, comprising: central control node announces collisions of node-sent reserved access packets have occurred and starts up conflict resolution stages, where each conflict resolution stage comprises several forecast burst and forecast confirm micro time gaps set in sequence; in the forecast burst micro time gap, each access conflicting node monitors or sends forecast burst packet according its virtual ID number, and the central control node receives the forecast burst packets; in the following forecast confirm micro time gaps, the central control node sends the results, and each access conflicting node monitors the results; after a node succeeds in access, the central control node sends result broadcast packet. And the invention can assure access conflicting nodes quickly connect to channel and obtain the channel use right and increases service packet transmitting time as far as possible, and increases the throughput of channel.

The invention provides an adaptive traffic stream switching method. For each multi-interface terminal, the method comprises the following steps that: 1) a traffic stream switching management server periodically acquires current user information and current link state of the multi-interface terminal; 2) the traffic stream switching management server establishes judgment matrixes respectively on the basis of an analytic hierarchy process, and calculates the comprehensive satisfaction of all the interfaces of the multi-interface terminal; 3) all the traffic streams are ranged into a preswitched queue from high to low according to traffic priority, and all the interfaces are ranged into an interface queue from high to low according to the comprehensive satisfaction of the interfaces; 4) mapping of all the traffic streams and all the interfaces are established to form a matching relation; and 5) traffic stream switching is preformed according to the matching relation. By the method, the communication performance of all current network interfaces can be accurately responded, the cost of user sides cannot be obviously increased, and the requirements of users are fully considered when thequality of service (QOS) of all the traffic streams is guaranteed. In the method, mobile scenes are supported, and non-mobile scenes are also supported.

The invention belongs to the field of wireless communication networks, and discloses a resource allocation method for D2D (Device-to-Device) communication in a cellular network and a system. The resource allocation method comprises the following steps: deciding whether to perform clustering or not according to the quantity of cellular users and the quantity of D2D users, and applying a distance-based clustering way if clustering is needed; sequentially selecting the D2D users to serve as master D2D users for executing a resource allocation way based on minimum interference together with the cellular users; and lastly, updating clusters, removing the D2D users who do not satisfy an interference condition from the clusters, performing communication with orthogonal resources, and calculatinga matching way with maximum throughput. The cellular users with minimum interference are always selected for the D2D users in each iteration, and a matching combination with maximum throughput is selected, thereby not only reducing the system interference, but also increasing the user throughput and the access number. A plurality of pairs of D2D users multiplex one cellular user, so that the spectrum utilization ratio is increased greatly.

A controlling multicasting method used on WDM passive optical network includes receiving multicast data separated from received data stream by optical link terminal and modulating multicast data into optical signal of multicast wavelength, mixing said optical signal with optical signal of modulated single-cast wavelength then sending mixed signal to multiplexer / de-multiplexer, using single-cast data channel to control said multicast data, carrying out power-division on optical signal multicast wavelength then sending power-divided optical signal to optical network unit, separating out multicast data and processing separated out multicast data by optical network unit.

The invention discloses a subdistrict reselecting method which is applied to a third generation mobile communication enhancing high-speed packet access system. The subdistrict reselecting method comprises the following steps: a network lateral user device issues an abuttal subdistrict list and notifies the information whether subdistricts support an enhancing forward access channel and/or an enhancing paging channel in the abuttal subdistrict list to the user device; after the user device who uses the enhancing forward access channel constructs a reselecting subdistrict list, subdistrict residents who support the enhancing paging channel are preferentially selected from the reselecting subdistrict list according to the information whether supporting the enhancing forward access channel and/or the enhancing paging channel. The method ensures the service transmission continuity and avoids the UE unnecessary state transference.

The invention relates to a method based on edge computing and an Actor-Critic algorithm. The specific steps are as follows: in the vehicle networking communication system, the user sequence is {1, 2,..., k,..., K}, and there are K users; the subchannel sequence is {1, 2,..., n,..., N} with N subchannels; fog access node sequence {1, 2,..., m,... M}, total M access nodes, computing power sequence of incoming nodes {1, 2,... Cm,..., cM}; task sequence {1, 2,... tk,..., tK} uploaded by user, total tK tasks; a non-orthogonal multiple access (NOMA) mode is adopted to connect the user to the vehiclenetworking communication system. The task uploaded by the user carries out edge calculation and returns the calculation result to the user; taking advantage of actor-Critic algorithm to optimize theresource allocation method and get the best resource allocation method. The invention combines the non-orthogonal multiple access, the edge calculation and the reinforcement learning, effectively solves the problem of huge access quantity existing in the vehicle networking, simultaneously reduces the time delay in the whole communication process, obtains the best resource distribution mode under different environments, and improves the energy utilization efficiency.

The invention discloses a method for distributing radio resources, which comprises the steps: a dispatching party selects an expanding mode for expanding basic resource blocks or a splitting mode for splitting the basic resource blocks according to predetermined factors; the dispatching party splits the basic resource blocks to obtain splitting resource blocks or expands the basic resource blocksto obtain expanding resource blocks according to the selected splitting mode or the selected expanding mode; the dispatching party dispatches the expanding resource blocks or the splitting resource blocks to a dispatched party and indicates the selected splitting mode or the selected expanding mode to the dispatched party in a predetermined mode; and the dispatching party uses the basic resource blocks, the expanding resource blocks and the splitting resource blocks or the combination of the blocks to carry out resource distributing description and transmits resource distributing description information to the dispatched party. The invention can increase the dispatching efficiency of the radio resources and ensure different service types of QoS and the spectrum efficiency of a prospectivewireless communication system.

The embodiment of the invention discloses a bandwidth adjusting method. The bandwidth adjusting method comprises receiving the business type information of a current business sent by an Internet gateway device; adjusting a bandwidth used by the current business according to the business type information to guarantee the QoS (quality of service) of the current business, wherein the bandwidth used by the current business is the bandwidth indicated by bandwidth parameters configured for a current user according to obtained bandwidth parameters of the current user. The bandwidth adjusting method can achieve the effect of limiting bandwidth and guaranteeing QoS according to different users and different businesses.

The invention discloses a multimedia conference realization method, which comprises the following steps that: A, after receiving audio and video data acquisition requests from terminals participating in a conference, a server judges whether the terminals participating in the conference comprise terminals which can serve as a master node or not, executes a step B if the terminals participating in the conference comprise the terminals which can serve as the master node, otherwise executes a step C; B, the server takes the terminal as the master node if one terminal can serve as the master node, and selects one of the terminals as the master node if more than two terminals can serve as the master node, and the selected terminal is used for audio and video data transmission between every two terminals participating in the conference; and C, the server is used for the audio and video data transmission between every two terminals participating in the conference. The invention also discloses a multimedia conference realization device. By the method and the device, not only the load of the server can be reduced, but also the quality of service of the conference can be ensured.

The invention provides a method and a system for controlling bandwidth, which monitors the buffer memory of a switching network device by obtaining the buffer memory state information of the switching network device; when data frame congestion or overflow is confirmed in the buffer memory of the switching network device according to the buffer memory state information, data frame transmission bandwidth used in varied virtual output queues (VOQ) is adjusted according to the congestion and overflow situations; therefore, a mechanism that can timely adjust the data frame transmission bandwidth used in varied VOQ when data frame congestion or overflow happens in the buffer memory of the switching network device during data exchange process is provided, thereby effectively avoiding loss of the data frame during the data exchange process and guaranteeing the quality of service (QoS) of data exchange business.

The invention relates to a device for distributing report transmission, wherein it comprises Ln distributor for distributing and polymerizing sending report based on interlayer method, and Ln-1 distributor for distributing and polymerized sending report based on interlayer method; each Ln distributor polymerizes several Ln-1 distributors to send report; and the device also comprises one polymerize group relative to each Ln distributor; internal difference queues store the reports sent from different Ln-1 distributors. The invention also discloses a relative method. The invention realizes interlayer report distribution in polymerization technique, to confirm service quality.