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189 results about "Grade of service" patented technology

In telecommunication engineering, and in particular teletraffic engineering, the quality of voice service is specified by two measures: the grade of service (GoS) and the quality of service (QoS). Grade of service is the probability of a call in a circuit group being blocked or delayed for more than a specified interval, expressed as a vulgar fraction or decimal fraction. This is always with reference to the busy hour when the traffic intensity is the greatest. Grade of service may be viewed independently from the perspective of incoming versus outgoing calls, and is not necessarily equal in each direction or between different source-destination pairs. "Grade of Service" sometimes means a measure of inbound call center traffic to verify adherence to conditions to measure the success of customers served.

Method and apparatus for estimating the call grade of service and offered traffic for voice over internet protocol calls at a PSTN-IP network gateway

An apparatus and method are provided for estimating the grade of service (52) and offered traffic (51) for voice over internet protocol calls at a gateway (2) bridging calls between a public switched telephone network (3) and an internet protocol network (4), the gateway (2) having a dial-control management information base. The method comprises the steps of periodically polling the dial-control management information base for dial peer traffic statistics (44), storing the polled data, estimating the carried traffic using the polled data (501), estimating the grade of service (52) by utilizing the Erlang-B formula in an inverse manner (502), operating on the estimated carried traffic obtained in the first estimating step (501), and estimating the offered traffic (51) using the estimated values for the carried traffic and the grade of service (52) obtained in the previous estimation steps (503). In a second embodiment of the invention, a system (FIG. 4) utilizing the method, continuously monitors the grade of service (52) and offered traffic (51) at gateways (2) in an internet protocol telecom network supporting voice over internet protocol. An enhancement of the system further comprises a world wide web interface (46) for generating monitoring reports.
Owner:LEVEL 3 COMM LLC

Escalated handling of non-realtime communications

A system and method of escalating non-realtime communications entering a Contact Center. The present invention removes communications that may initially be viewed as requiring deferred assistance, such as those near missing their SLA or those determined to require immediate handling based on identifying a particular important customer, from its shared file folders and “escalating” them to be routed as a live communications, for immediate response by a designated agent. An alternative tiered service model for a digital multimedia contact center assigns an entering contact to an initial immediate or deferred service tier based on routing criteria for the contact and may escalate or de-escalate the contact to a different service tier if the routing criteria changes. The service tier is initially determined based on a media type associated with the contact. The digital multimedia contact center contains a set of media servers, each of which passes a contact of a particular media type to a workflow engine (one for each service tier—immediate and deferred), which executes workflows to direct the processing of contacts at service tiers that require agent activity, for the immediate service tier contacts pass through a set of media routers. Agents are allocated to contacts by a dynamic automated contact distributor and the appropriate media router is used to route the contact to an agent. The workflow engines also execute workflows for agents to control the allocation of agents to contacts.
Owner:INTERVOICE INC

Virtual network function dynamic migration method based on deep belief network resource demand forecasting

The invention relates to a virtual network function dynamic migration method based on deep belief network resource demand forecasting, and belongs to the field of mobile communication. The method comprises the following steps: (S1) in view of the dynamic features of SFC business resource demand in a slicing network, establishing a system overhead model of comprehensive migration overhead and bandwidth overhead; (S2) in order to realize spontaneous VNF migration, monitoring the resource utilization condition of virtual network function or link in real time, and discovering the deployed bottom nodes or resource hot spots in the link in time by using an online learning based adaptive DBN forecasting method; (S3) designing a topology awareness based dynamic migration method according to the forecasting result, so as to reduce system overhead; (S4) proposing a tabu search based optimization method to further optimize the migration strategy. The forecasting method provided by the invention not only increase the convergence rate of a training network, but also realizes a perfect forecasting effect; by combining the forecasting method with a migration method, the system overhead and the violation frequency of the service level agreement are effectively reduced, and the performance of network service is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Resource control method, mobile communication system, base station and mobile station

To provide a service with fairness by providing QoS of approximately an equal degree among users of the same service class to keep fairness of the service as well as by maintaining a transmission rate at a predetermined ratio among users of different service classes to relatively keep QoS among service classes. A resource control method which is executed by a base station in a mobile communication between the base station and each of a plurality of mobile stations, the method comprising: an unallocated resource measurement step of measuring an amount of unallocated resources, when one mobile station originates a new connection request or a handover request; a service quality calculation step of calculating a service quality which can be provided to the one mobile station with the amount of the unallocated resources obtained by the measurement; a decision step of deciding whether the service quality obtained by the calculation is within a predetermined range in accordance with a service class to which the one mobile station belongs; and a reassignment step for reassigning the resources to each mobile station depending on the service class to which each mobile station belongs, when the service quality is not within the predetermined range in accordance with the service class to which the one mobile station belongs.
Owner:NTT DOCOMO INC

Car networking data transmission route selection optimized method based on electronic eyes

The invention relates to a car networking data transmission route selection optimized method based on electronic eyes. The car networking data transmission route selection optimized method comprises the following steps: (1) the electronic eyes collect traffic video images in real time; (2) a video processing module extracts traffic parameters according to the traffic video images; (3) a cloud computing platform affirms traffic flow state information according to the traffic parameters by combining the national road service level table; (4) a roadside unit broadcasts the traffic flow state information to car nodes, after each car node receives the traffic flow state information, the car nodes are adjusted in a self-adaptation mode and send the broadcast cycle of beacon news; (5) a car source node confirms crossroads where a data transmission route connected between the car source node and a car destination node may pass through according to an electronic map; and (6) the car source node selects the optimized route to send data according to the traffic flow information among the crossroads where the data transmission route may pass through. Compared with the prior art, the car networking data transmission route selection optimized method based on the electronic eyes has the advantages of being reliable in communication, high in promptness of data transmission, and the like.
Owner:TONGJI UNIV

Admission control method and system in heterogeneous wireless network environment

InactiveCN101820665AModeling Abstract RealizationAchieve the purpose of abstractionAssess restrictionGrade of servicePerformance index
The invention discloses an admission control method and an admission control system in a heterogeneous wireless network environment. The method comprises the following steps of: when an access request is received, collecting the multi-domain information of each network and acquiring a target quality of experience (QoE) vector of a user in the access request by using an admission control entity; performing granularity partition on the information of each attribute domain in the multi-domain information according to a predefined performance index to form information granularity vectors of each attribute domain; according to the target QoE vector of a user terminal and a predefined fuzzy membership function, establishing fuzzy membership grade vectors of resource grains in each attribute domain; based on fuzzy evaluation vectors and inference rules of the resource grains in each attribute domain, establishing mapping relationships between the fuzzy evaluation vectors of the resource grains in each attribute domain and a network comprehensive evaluation index so as to acquire a comprehensive evaluation vector; and according to comprehensive evaluation, selecting the network having the highest network grade of service as an access network. Through the method and the system, an effective admission control strategy is designed for the heterogeneous wireless network and the overall performance of the heterogeneous wireless network is improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
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