Patent ID: 9319910
Filing Date: 2016-04-19
CPC Classification: H04W

Claim Text:
1. A communication system comprising: a mobile terminal communicating over a network with a server; a flow measurement server between the mobile terminal and the server; a quality management server coupled to the flow measurement server, wherein the flow measurement server computes a plurality of items of communication quality for each flow based on data flowing between the mobile terminal and the server, wherein the quality management server extracts a predetermined flow, summarizes the extracted flow for each communication path, and outputs a distribution of the communication quality for the each communication path, and wherein the quality management server extracts the predetermined flow by sorting flows based on an IP address of the server and an L4 port number and selecting a set of the IP address and the L4 port number corresponding to the sorted flows having an average and a variance of the communication quality included in a predetermined range.